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2014.0690A - San Francisco Planning Department

1. Surface Condition Surfaces to receive a sealant shall be sound smooth clean dry and free of all visible contaminants Existing putty affecting installation shall be completely removed by scraping or using alcohol or methyl ethyl ketone and a two rag wipe method taking care not to damage surfaces of adjacent materials Surface Cleaning of Joints Clean out joints immediately before installing sealants to comply with recommendations of sealant manufacturers and the following requirements CAULKING amp SEALANTS 32 C P Remove all foreign material from joint substrates which could interfere with adhesion of sealant including dust paints except for permanent protective coatings tested and approved for sealant adhesion and compatibility by sealant manufacturer old sealants oil grease waterproofing water repellents water and surface dirt 2 Clean metal glass porcelain enamel glazed surfaces of ceramic tile and other nonporous surfaces by chemical cleaners or other means that are not harmful to substrates or leave residues capable of interfering with adhesion of sealants Primer Contractor shall thoroughly clean joints and apply primer if recommended by sealant manufacturer to dry surfaces Primer shall be applied prior to application of joint backing bond breaker or sealants Masking Tape Use masking tape where required to prevent contact of sealant with adjoining surfaces which otherwise would be permanently stain
2. 9 5 311 960x540 5 641 960x540 43105 1296x972 5 321 640x512 5 541 1024x768 Lens 3 9mm 1 2 7 F1 2 3 9mm 1 2 7 F1 2 3 9mm 1 2 7 F1 2 3 6 9mm 1 2 5 F1 8 3 9mm 1 2 7 F1 2 3 6 9mm 1 2 5 F1 8 4 7 9mm 1 2 3 F2 8 MegaDome 2 Motorized Lens AM PM RZ RF Auto iris RZ RF Auto iris RZ RF P iris lens RZ RF Auto iris RZ RF P iris lens RZ RF Auto iris RZ RF Auto iris H FOV 77 25 H FOV 115 37 H FOV 82 27 H FOV 76 28 H FOV 87 29 H FOV 96 36 H FOV 78 8 37 Lens 3 3 10 5mm 3 3 10 5mm 3 3 10 5mm 3 3 10 5mm 3 3 10 5mm 3 3 10 5mm MegaDome 2 Manual Lens DN 1 2 5 F1 6 1 2 5 F1 6 1 2 5 F1 6 1 2 5 F1 6 1 2 5 F 1 6 1 2 5 F126 Manual H FOV 62 24 H FOV 93 36 H FOV 68 26 H FOV 73 28 H FOV 72 28 H FOV 92 36 effective Max Power Consumption Watts DC power Data Transmission Compression Type H 264 MPEG 4 Part 10 Motion JPEG 21 levels of quality AM H PM H DN DN H AM PM AMIR PMIR AMIR H PMIR H Transmission Protocols RTSP RTP TCP RTP UDP HTTP DHCP TFTP AV1255 AV2255 6 1 10 2 9 7 11 6 12 3 100Base T Ethernet Network Interface AV2256 AV3256 6 6 1 10 1 124 1 Multi Streaming 8 non identical streams AV3255 AV5255 6 1 10 3 9 7 11 9 12 4 AV10255 11 6 12 3 Programmability Remote focus remote zoom and auto iris or P iris AM or PM models l l l Audio Electrical Streaming Two way Moti
3. Certificate of Appropriateness Case Number 2014 0690A Conservatory of Flowers PLANNING DEPARTMENT Golden Gate Park SAN FRANCISCO PLANNING DEPARTMENT Planning Department 1650 Mission Street Suite 400 San Francisco CA 94103 9425 T 415 558 6378 F 415 558 6409 APPLICATION PACKET FOR Certificate of Appropriateness Section 1002 a 2 states that the Historic Preservation Commission HPC shall review and decide on applications for construction alteration demolition and other applications pertaining to landmark sites and districts regulated under Article 10 of the Planning Code The first pages of this packet consist of instructions which should be read carefully before the application form is completed Planning Department staff are available to advise you in the preparation of this application Call 415 558 6377 for further information WHAT IS A CERTIFICATE OF APPROPRIATENESS AND WHEN IS IT NECESSARY Incorporated into the Planning Code in 1968 Article 10 outlines the process for the review and entitlement of alterations to properties locally designated as City Landmarks An individual landmark is a stand alone building site or object that is important for its contributions to San Francisco A landmark district is a group of properties or a portion of a neighborhood that is architecturally historically or culturally important Designated properties that are recognized for their architectural hi
4. E gt 7 ho a 8 ul B i 0 ae d 4 _ i x q i ni i 2 5 dS 6 1 a rins w p Rif LA ie ni 3 LK m uu ae 1 m iy 3 Ta d 2 TG me m E I Ah S M UM US UE Emm by d i 1 M Il N iil mW EN TH am 1 T Tr I T LITTT at Y Appendix 11 MegaDome 2 product information 1 3 10 Megapixels fff Arecont Vision 2003 2013 Celebrating 10 Years of Leading the Way in Megapixel Video MegaDome 2 All in One Indoor Outdoor Day Night Dome Camera with Remote Focus Zoom Lens or Manual Lens Options MegaDome 2 Cameras 1 3 Megapixel 5 Megapixel 10 Megapixel AV1255AM AV2255AM AV2256PM AV3255AM AV3256PM AV5255AM AV10255AMIR AV1255AM H AV2255AM H AV2256PMIR AV3255AM H AV3256PMIR AV5255AM H AV10255AMIR H AV1255AMIR AV2255AM A AV2256DN AV3255AMIR AV3256PM A AV5255AM A AV1255AMIR H AV2255AM AH AV3255AMIR H AV3256PMIR A AV5255AM AH AV1255DN AV2255AMIR AV3255DN AV3256DN AV5255AMIR AV1255DN H AV2255AMIR H AV3255DN H AV5255AMIR H AV2255AMIR A AV5255AMIR A AV2255AMIR AH AV5255AMIR AH AV2255DN AV5255DN AV2255DN H AV5255DN H MegaDome 2 multi megapixel cameras provide ample resolution to zoom in fo
5. in particular the Guidelines for Rehabilitation and will retain character defining features of the building and or district See Continuation Sheet SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 cO Findings of Compliance with General Preservation Standards In reviewing applications for Certificate of Appropriateness the Historic Preservation Commission Department staff Board of Appeals and or Board of Supervisors and the Planning Commission shall be governed by The Secretary of the Interior s Standards for the Treatment of Historic Properties pursuant to Section 1006 6 of the Planning Code Please respond to each statement completely Note Attach continuation sheets if necessary Give reasons as to how and why the project meets the ten Standards rather than merely concluding that it does so IF A GIVEN REQUIREMENT DOES NOT APPLY TO YOUR PROJECT EXPLAIN WHY IT DOES NOT 1 The property will be used as it was historically or be given a new use that requires minimal change to its distinctive materials features spaces and spatial relationships See Continuation Sheet for Findings of Compliance with General Preservation Standards all Standards 2 The historic character of a property will be retained and preserved The removal of distinctive materials or alteration of features spaces and spatial relationships that characterize the property will be avoided 3 Each property will be recognized as a physical record of its time pla
6. it will likely last 20 years No maintenance other than cleaning Sealant used to adhere extrusion is easily removed from glass and new extrusion can easily be installed High flexibility Seals joints subject to extreme movement 200 75 Meets global standards Americas Asia and Europe Will retain cracked glass in place Available in 13 different colors custom colors also available to match existing Conservatory color Tough and flexible Seals joints subject to extreme movement 200 75 Excellent weatherability virtually unaffected by sunlight rain snow ozone and temperature extremes of 40 F 40 C to 300 F 149 C Appendix 5 Local examples of similar silicone extrusion installations ARG 14124 Conservatory of Flowers Putty Repair February 10 2015 ARG EXAMPLE BUILDINGS Below is a list of 5 local buildings in which ARG has installed a similar system of extruded silicone sealant and cap for waterproofing 1 450 Sutter San Francisco CA 94108 silicone extrusion at side jambs indicated by arrows BM 2b ARG 14124 Conservatory of Flowers Putty Repair February 10 2015 ARG EXAMPLE BUILDINGS 3 Hilton 333 O Farrell Street San Francisco CA 94102 silicone extrusion on skylights indicated by arrows ARG 14124 Conservatory of Flowers Putty Repair February 10 2015 ARG EXAMPLE BUILDINGS ARG 14124 Conser
7. mutins was checked over a period of one year There was no detectable increase in moisture for those mutins covered by the extrusion nor was there a significant difference between muntins with and without extrusion In some cases the moisture content decreased in the muntins protected with the silicone extrusions It appears that since extrusion covers only a very small portion of the muntin it does not raise moisture content in the mutins The majority of the muntin section is located on the opposite side of the glass inside the building The extrusion provides a sound waterproofing shield for the wood muntin and may over the long term decrease rainwater saturation It was observed that the most vulnerable location on the muntins is at the base where the end grain wicks moisture into the wood This occurs because water flows down the glass lites and is concentrated at the muntin base By extending the extrusion a short distance over the end of the muntin saturation has been greatly reduced Based upon the test panels and moisture content readings over the period of one year the following conclusion were made concerning the appropriate muntin caps for the project e The extrusion is reversible because it is only attached to the glass and not the wood It can easily be removed by cutting the setting bead with sharp blade Residue of silicone is easily removed from the glass e Silicone has a proven service life of at least 10 years and manuf
8. 4 in when in contact with other materials Bond sealant to 2 opposing surfaces do not bond to bottom surface of joint 07900 4 CONSERVATORY OF FLOWERS PUTTY REPLACEMENT Tooling Tooling is required to ensure firm full contact with the interfaces of the joint Contractor shall tool joints to form smooth uniform beads with slightly concave surfaces Finish joints shall be straight uniform smooth and neatly finished Excess material shall be struck off with a tooling stick or knife dipped in solvent to avoid tearing or stripping of the bead 1 Do not use tooling agents which discolor sealants or adjacent surfaces or are not approved by sealant manufacturer Adjacent surfaces that have been soiled by sealing operations shall be cleaned immediately and left in a clean and neat condition 3 3 PROTECTION AND CLEANING A Excess sealant shall be cleaned off non porous surfaces while uncured using a solvent such as commercial xylol or naphtha On porous surfaces the excess sealant should be allowed to cure and be removed by non abrasive mechanical means approved by Architect Protect sealants and related accessories during and after curing period from contact with contaminating substances or from damage resulting from construction operations or other causes so that they are without deterioration or damage at time of Substantial Completion If despite such protection damage or deterioration occurs cut out and remove damaged or deter
9. EIFS Solution Don t remove the failed sealant span it with Dow Corning 23 Silicone Seal and coat the entire building with Dow Corning AllGuard coating technology Result The renovation went faster and cost less than expected The building is now leak free and more attractive than ever AV04450 AV05681 Effective Attractive Versatile Dow Corning 123 Silicone Seal The Paragon Building Tampa Florida Problem Decorative aluminum panels over a leaking curtainwall interior Solution Dow Corning 123 Silicone Seal Result Repairs were made in record time without removing a single panel The building looks great the leaks are history and the 123 Silicone Seal expands and contracts with the aluminum panels under the hot Florida sun ow Corning 123 Silicone Seal was designed as a fast efficient way to repair failed building weatherseals without having to remove the old caulk This long lasting attrac tive and extremely versatile alternative to wet sealants has found many innovative uses in new construction as well The 123 sealing system consists of a preformed silicone extrusion or custom shape that can be bonded to a wide variety of construc tion substrates using Dow Corning 795 Silicone Building Sealant or other recommended Dow Corning brand sealants such as 791 Silicone Weatherproofing Sealant The 123 Silicone Seal and Dow Corning sealant work together to produce a
10. Image 5 2 and adjust each as needed 3 3 0 Arecont Vision MegaDome 2 Installation Manual Camera Installation 18 20 21 Install the AV100 application manager Software as shown in Image 7 found on the CD Run the AV100 application manager by double clicking on the icon as shown in Image 8 found on your desktop 5 et Ll p E A v5 6 L Pm omm wry Lae T 9 97 XP Wini Application Manager Image 7 Image 8 Select Run next to Setup Cameras from the AV100 application manager as shown in Image 9 and wait for Arecont Vision Camera Installer window to appear as shown in Image 10 Image 9 Click Mode tab to select desired install mode on Arecont Vision Camera Installer as shown in Image 10 NOTE 1 Basic Mode default setting software will automatically discover and change assign IP address to match PC subnet 22 23 24 NOTE 2 Advanced Mode software will automatically discover but allow manual update of the IP address See AV100 Installation Manual found on the CD for details on Advanced Mode MS Arecont Vision ied Commer Arecont PC 10 101 28 255 255 48 Danem IP nal index A Ethmnat Adihuzs Aexull Medi erinn hap 1 00 1A 07 08 Image 10 Select Install Cameras on Arecont Vision Camera Installer as shown in Image 10 Confirm all cameras connected to the network switch appear in the upper window Repeat Step 22 if all
11. OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY 2009 September 3 Ref No 61 885N 01 Dow Corning is a registered trademark of Dow Corning Corporation We help you invent the future is a trademark of Dow Corning Corporation XIAMETER is a registered trademark of Dow Corning Corporation 2009 Dow Corning Corporation All rights reserved Appendix 8 Dow Corning 123 Silicone Seal product information Note See Appendix 6 for installation specifications Construction es 6 The Ultimate in Weathersealing Versatility Dow Corning 123 When urethane sealants fail on EIFS clad buildings leaks and interior damage typically result Until the introduction of Dow Corning 123 Silicone Seal remediation was difficult at best On this EIFS wall 123 Silicone Seal was applied over the vertical expansion joints and adhered with Dow Corning 795 Silicone Build Par idi EN oe EIFS joint Failed urethane sealant in ing Sealant The preformed silicone gn eka tas E SP LEN IET seal spanned the failed joints elimi E i OEC A HET gt rae nating tedious and potentially damaging sealant removal The entire building was then protected and its appearance revitalized with Dow Corning AllGuard coating technology AV03866 Dow Corning 123 Silicone Seal Easy as 1 2 3 to apply Ensure that the substrate around the joint is clean and dry masking is recom
12. Standard Archeological resources will be protected and preserved in place If such resources must be disturbed mitigation measures will be undertaken This Standard does not apply to the proposed project No archaeological resources will be potentially affected as part of the proposed project New additions exterior alterations or related new construction will not destroy historic materials features and spatial relationships that characterize the property The new work shall be differentiated from the old and will be compatible with the historic materials features size scale and proportion and massing to protect the integrity of the property and its environment The proposed work will not destroy historic materials or features that characterize the property The new silicone cap will be formed in a trapezoidal configuration of similar size shape color and texture to the existing wood component This treatment will be applied uniformly to all muntins and therefore differentiation of new and old will not be immediately apparent however the wood component will remain intact underneath the cap and the integrity of the overall property will be protected The camera housing is light in color and the cameras are small in size for minimal visibility The cameras will not destroy historic materials features and spatial relationships that characterize the property The cameras are modern in design and will not read as part of the histori
13. Standards provide in relevant part s Standard 1 A property will be used as it was historically or be given a new use that requires minimal change to its distinctive materials features spaces and spatial relationships The proposed changes will support the property s continued historical use as a conservatory without causing any changes to its distinctive materials features spaces or spatial relationships Standard 2 The historic character of a property shall be retained and preserved The removal of historic materials or alteration of features and spaces that characterize a property shall be avoided The wood muntins that compose the conservatory roof are a distinctive visual feature of the landmark The proposed work will retain and preserve the wood components in place with minimal change to the material or design integrity The proposed silicone cap will protect the wood muntin while matching the color and profile The proposed security cameras will be located in discrete areas that preserve the character of the conservatory s setting and exterior spaces and their installation will not require removal or alteration of any character defining features of the site Standard 3 Each property will be recognized as a physical record of its time place and use Changes that create a false sense of historical development such as adding conjectural features or elements from other historic properties will not be undertaken No conj
14. in mark pull firmly down at a 90 deg angle or more while holding a ruler along side of sealant Pull sealant out of joint to the distance recommended by sealant manufacturer for testing adhesive capability but not less than that equaling specified maximum movement capability in extension hold this position for 10 seconds Report whether or not sealant in joint connected to pulled out portion failed to adhere to joint substrates or tore cohesively Include data on pull distance used to test each type of product and joint substrate Evaluation of Field Test Results Sealants not evidencing adhesive failure from testing in absence of other indications of noncompliance with requirements will be considered satisfactory Do not use sealants that fail to adhere to joint substrates during testing 07900 2 CONSERVATORY OF FLOWERS PUTTY REPLACEMENT 1 5 MOCK UPS A Provide sealant extrusion caps and related accessories and miscellaneous materials for testing mock ups as specified under other Sections representing the materials and installation techniques which will be used in the final Work Before proceeding with the final Work prepare sample joints as required to match the typical construction of joints in all respects Prime joints and install sealant in the presence of the manufacturer s representative not less than one 1 week in advance of the scheduled installation Just prior to installation of sealant on the Project examin
15. like configuration After 12 years the putty had developed cracking perpendicular to its length and was detaching from the substrate Given that the traditional window putty material failed in a relatively short period of time and that maintenance of putty on the arched glass exterior of the Conservatory requires mobilization of special access equipment and associated costs a less maintenance intense solution is desired ARG used the following characteristics to identify an appropriate substitute material for the fish putty o Reversible Long service life Visually the same as the original Less maintenance than fish oil putty Proven in service track record Protects historic fabric and provide good weathering protection Several glazing contractors suggested considering silicone sealant for its durability elongation qualities and service life of 10 to 20 years when applied by a qualified applicator Further silicone is now a standard in the glazing industry Other putty materials had the same limitations as the fish oil putty For that reason silicone sealant was investigated Two types of silicone sealant applications were identified for testing The first was as a substitute for the fish oil putty to be installed in exactly the same manner as window putty The second application was as a silicone extrusion to be applied over the muntin Each edge of the color matched extrusion would be set in a bead of silicone sealan
16. new construction are proposed as part of this project However the proposed work will be undertaken in a manner that if removed in the future the essential form and integrity of the historic property would not be impaired The silicone cap proposed for installation over the existing muntins will adhere only to the glass on either side of the wood component not to the wood itself thereby protecting the existing material in place without bonding to the historic material Therefore the cap can be peeled away in the future without disturbing the historic material beneath it The security cameras will require minimal attachments to adjacent surfaces and may easily be removed in the future without damage to the historic resource or site PUBLIC NEIGHBORHOOD INPUT The Department has received no public input on the project at the date of this report SAN FRANCISCO PLANNING DEPARTMENT Certificate of Appropriateness Case Number 2014 0690A May 20 2015 Conservatory of Flowers STAFF ANALYSIS Based on the requirements of Article 10 and the Secretary of Interior s Standards staff has determined that the proposed work is compatible with the character defining features of the subject site and with the landmark site Muntin Caps The proposed project is in conformance with the requirements of Article 10 and the Secretary of the Interior s Standards for Rehabilitation It involves removal of the existing deteriorated glazing putty at all ver
17. of results to prevent delay in the progress of the Work Pre construction Field Testing Prior to installation of sealants field test their adhesion to joint substrates as follows Locate test joints where indicated or if not indicated as directed by Architect 2 Conduct field tests for each application indicated below a Each type of elastomeric sealant and joint substrate indicated b Each type of non elastomeric sealant and joint substrate indicated CAULKING amp SEALANTS Field Mock ups and Test Panels Prior to installation prepare the following sample panels and sample areas on building where directed by Architect Repeat mock ups and test panels as necessary adjusting methods and procedures until acceptance by Architect is achieved Retain acceptable panels in undisturbed condition suitably marked during restoration as a standard for judging completed work Test Method Test sealant by hand pull method described below a Install sealants in 5 ft joint lengths using same materials and methods for joint preparation and sealant installation required for completed Work Allow sealants to cure fully before testing b Make knife cuts as follows A horizontal cut from one side of joint to the other followed by 2 vertical cuts approximately 2 in long at side of joint and meeting horizontal cut at top of 2 in cuts Place a mark 1 in from top of 2 in piece C Use fingers to grasp 2 in piece of sealant just above 1
18. of the camera please reference Mounting the Camera 0 3 9 Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separately Wall Mount Cap MD CAP Installation Instructions Inside the box A Wall Mount Cap MD CAP B Packoffour 4 machine screws Not included but needed e 1 NPT pipe nipple e 1 NPT coupling 1 Coupling e 1 NPT flange e 2 Phillips head screwdriver 1 Pipe 1 Flange Image 25 3 Run the Ethernet cable and outside power cable if necessary through the pendant 1 Remove the wall mount cap from the box 4 Attach the pendant to the ceiling using four wood screws or any optional hardware 2 Assemble the wall mount cap 11 coupling suitable for the mounting surface 11 pipe nipple and 11 flange as a pendant Mount shown in image 25 5 For installation of the camera please reference Mounting the Camera 10 Page Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separately Flush Mount Adapter MD FMA Installation Instructions Inside the box 5 Tighten the lever screws until the flush mount adapter is snuggly installed as shown A white trim ring in Image 27 The Support Arm will ride down B Flush mount adapter the screw to compress the mounting surface C Mounting template NOTE Do not over torque the lever screws D Pack of four 4 machine screws and one 1 eyelet 6 At
19. socket set screw using the double side hex key D 5 Run the Ethernet cable and outside power cable if necessary through the wall mount 6 Forinstallation of the camera please reference Mounting the Camera Image 17 1 Remove the wall mount and hardware from the box 7 Page Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separately Junction Box Adapter SV JBA for MD WMT2 Installation Instruction Caution SV JBA should always be used in conjunction with a wall mount MD WMT2 for outdoor installation SV JBA will only fit with the MD WMT2 wall mount It does not fit the camera dome or older wall mount MD CMT Inside the box A Junction Box Adapter B Pack of four 4 machine screws C One double sided hex key Image 20 D Pack of four 4 wood screws and four 4 dry wall anchors 2 Remove the conduit plug by first removing the E Mounting template set screw using the provided hex key Not included but needed 3 Attach the junction box adapter to the wall e 2 Phillips head screwdriver using drywall screws or any optional hardware e Wall Mount MD WMT suitable for the mounting surface e 94 NPT Conduit if necessar i l y 4 Attach the wall mount to junction box adapter then attach cap to the wall mount as shown in Image 20 5 Connect NPT Conduit to the junction box adapter 6 Run Ethernet cable and outside power cable if necessary th
20. strong flexible ultra low modulus weatherseal with extremely high movement capability up to 200 75 percent This dynamic seal can withstand thermal expansion and contrac tion shear wind sway and seismic movement that would defeat most conventional wet sealants The system can also be used in conjunction with Dow Corning AllGuard Silicone Elastomeric Coating to enhance your build ing s appearance and give it more complete weatherproofing protection Ideal for both remedial and new construction applications With Dow Corning 123 Silicone Seal you can meet some of the toughest weathersealing challenges around easily attractively and cost effectively Repair failed building weatherseals Restore Exterior Insulation Finish Systems EIFS Seal thin metal curtainwalls Solve aluminum window problems Seal joints subject to extreme movement Seal parapets wall intersections coping joints and transi tions skylights and window perimeter joints Form tough flexible flashings Create special aesthetic effects e SWRI approved INSTITUTE TEETE Backed and warranted by Dow Corning Dow Corning 123 Silicone Seal and Custom Designs H C are backed by Dow Corning Corporation the global silicone technology leader with more than 50 years of silicone experience Across the construction industry worldwide Dow Corning is known for high performance products reliable product supply and outsta
21. suitable for the mounting surface Use appropriate mounting accessories to ensure a water tight installation Use of silicon does not guarantee a water resistant install 2 Page Arecont Vision MegaDome 2 Installation Manual Adjusting the Tilt Pan Z Axis yaw and Focus 9 To adjust the tilt use a 1 Phillips screwdriver to loosen the screw on the side of the plastic lens bracket 1 4 turn Image 5 CAUTION Do not remove the screw Adjust lens tilt as required and tighten the screw To adjust the pan use a 2 Phillips screwdriver to loosen the screw as shown in Image 5 CAUTION Do not remove the screw Adjust the pan as required and tighten the screw To adjust the Z Axis or yaw for vertical wall mounting loosen the set screw as shown in Image 5 1 NOTE There are two set screws on opposite sides both need to be loosened CAUTION Do not remove the screw Adjust the Z Axis as required and tighten the Image 5 2 set Screws 16 Remove the protective film from the camera To adjust back focus loosen the three 3 set BOIS screws with the appropriate Allen key as shown Image 5 2 only one of two screw NOTE Be careful not to scratch the vandal l dome cover holes shown Adjust the silver back focus ring as needed and tighten down the set 17 Secure the vandal dome cover to the camera Screws using the provided security L Key To focus the lens loosen the three set screws as shown in
22. the extrusion see red arrow to the left The muntin cap to the right was deemed to be the most successful and is proposed for use in this Certificate of Appropriateness application ARG 14124 Conservatory of Flowers May 7 2015 Muntin Treatment Test Mock Ups North Test Location 3 photo taken by ARG on December 23 2014 43 li N LETETTE I PF 7 3 09409 ented mit i 9 EI A 9 Y M uu 8 At North Test Location 3 the first extrusions with silicone putty tests see three blue arrows on left and just silicone putty tests see two orange arrows on right were installed These were all later rejected and deemed unsuccessful test mockups for the same reasons previously described at South Test Location 1 such as aesthetics and application ARG 14124 Conservatory of Flowers Muntin Treatment Test Mock Ups oto taken by ARG on December 23 2014 I 3 Photo Details ph p May 7 2015 Detail photo of extrusion installed at South Test Location 2 This extrusion indicated by the red arrow is a close visual match to the existing muntins This is the silicone and muntin cap proposed for use in this Certificate of Appropriateness application ARG 14124 Conservatory of Flowers May 7 2015 Muntin Treatment Test Mock Ups Detail of South Test Location 1 The muntin on the left is an unsuccessful sili
23. will be repaired rather than replaced Where the severity of deterioration requires replacement of a distinctive feature the new feature will match the old in design color texture and where possible materials Replacement of missing features will be substantiated by documentary and physical evidence Though the existing glazing putty is the best quality of its type it has been proven to have a short service life and constitutes a significant recurring maintenance cost The existing putty was a faithful match to original material and met the historic preservation criteria when installed as part of the restoration in 2003 This putty has not performed as anticipated The poor performance may be due to the fact that the glazing is not set vertically but rather is sloped This allows water to remain on the putty for a longer amount of time than in a traditional installation Further the building is subjected to chloride laden fog which may have also contributed to the failure of the putty Failure of the glazing putty allows for water intrusion and subsequent damage to the muntins Further the loss of adhesion of the putty presents a safety hazard since individual glass panes may become loose and fall The proposed solution will extend the service life of the muntins which are a distinctive feature of the historic structure by 20 to 30 years Since the new silicone system which has an expected 10 20 year service life will require little to no pai
24. wood component and secured to the glass on both sides of the wood with silicone sealant Prior to installation of the silicone caps a biocide may be used on the end grain of the muntins to stop or prevent rot and preserve the wood Formed in a trapezoidal configuration the extruded silicone cap will fully cover the existing muntins The width of the extrusion will match the profile of the historic muntin with glazing putty and it will be consistent in width along the entire run of each muntin The extruded cap will be white to match the existing painted wood and will have a similar visual texture and finish as that of the existing The size will be only slightly larger than the existing muntin so it can cover and protect this original feature in place See Appendices 1 9 for details and product information related to the silicone cap installation Security Cameras The RPD proposes to install up to nine 9 security cameras around the Conservatory of Flowers building to prevent vandalism of the facility No cameras will be attached to the conservatory structure The cameras will be placed at the following locations e Cameras 1 4 will be installed at the gable ends of the two non historic kiosks in front of the Conservatory of Flowers e Cameras 5 8 will be installed on the fa ades of support buildings and sheds that surround the north rear side of the Conservatory of Flowers Of these support buildings only the Orchid Building is a his
25. work retains and preserves distinctive materials and features Standards 2 and 5 thereby maintaining the historic character of the property A biocide may be used on the end grain of the muntins to stop or prevent rot This treatment will not cause damage to the existing materials and will preserve the existing wood material Standard 7 The new extruded silicone cap will be formed ina trapezoidal configuration of similar size shape and color to the existing wood muntin Standard 6 and will not destroy historic materials features or spatial relationships that characterize the property Standard 9 Because the cap will be secured to the glass on both sides of the wood and not to the wood itself with silicone sealant it can be removed in the future without damage to the existing wood component therefore the essential form and integrity of the property will be unimpaired Standard 10 Security Camera Installation Security cameras will be mounted to an existing metal fence on the east side of the building and on support building facades which surround the main Conservatory building The building use historic character and all character defining features of the property are being maintained and the proposed work will not require removal or alteration of features that characterize the property All work will be undertaken with the gentlest means possible to avoid damage to historic materials Camera installation requires minimal attachments an
26. 09 September 3 Ref No 61 885N 01 Application Engineer for specific advice Preparation Clean all joints removing all foreign matter and contaminants such as grease oil dust water frost surface dirt old sealants or glazing compounds and protective coatings Application Method Install backing material or joint filler setting blocks spacer shims and tapes Mask areas adjacent to joints to ensure neat sealant lines Primer is generally not required on non porous surfaces but may be necessary for optimal sealing of certain porous surfaces A test placement is always recommended Apply Dow Corning 795 Silicone Building Sealant in a continuous operation using positive pressure The sealant can be applied using many types of air operated guns and most types of bulk dispensing equipment Before a skin forms typically within 15 minutes tool the sealant with light pressure to spread the sealant against the backing material and joint surfaces Remove masking tape as soon as the bead is tooled HANDLING PRECAUTIONS PRODUCT SAFETY INFORMATION REQUIRED FOR SAFE USE IS NOT INCLUDED IN THIS DOCUMENT BEFORE HANDLING READ PRODUCT AND MATERIAL SAFETY DATA SHEETS AND CONTAINER LABELS FOR SAFE USE PHYSICAL AND HEALTH HAZARD INFORMATION THE MATERIAL SAFETY DATA SHEET IS AVAILABLE ON THE DOW CORNING WEBSITE AT DOWCORNING COM OR FROM YOUR DOW CORNING SALES APPLICATION ENGINEER OR DISTRIBUTOR OR BY CALLING DOW CO
27. 0MP Optical Format 1 2 7 1 2 7 1 3 2 1 2 5 1 3 2 1 2 5 1 2 3 Pixel Pitch 3um 3um 2 2um 2 2um 2 2um 2 2um 1 67um Minimum Color day mode 0 1 Lux 0 1 Lux 0 3 Lux 0 3 Lux 0 3 Lux 0 3 Lux 0 42 Lux Illumination Color Binning day mode 0 15 Lux 0 15 Lux 0 15 Lux 0 21 Lux B W night mode 0 Lux IR sensitive 0 Lux IR sensitive O Lux IR sensitive 0 Lux IR sensitive O Lux IR sensitive 0 Lux IR sensitive 0 Lux IR sensitive Full FOV Resolution 1280 H x 1024 V 1920 H x 1080 V 1920 H x 1080 V 2048 H x 1536 V 2048 H x 1536 V 2592 H x 1944 V 3648 H x 2752 V 1 4 Resolution 640H x 512V 960 H x 540V 960 H x 540V 1024H x 768 V 1024 H x 768 V 1296 Hx 972 V 1824 H x 1376 V Dynamic Range 69 dB 69 dB WDR up to 100dB 70 1 dB WDR up to 100dB 70 1 dB 57 2dB Maximum SNR 45 dB 45 dB 49 dB 45 dB 49 dB 45 dB 40 dB Frame At Max Resolution 42fps 1280x1024 31fps 1920x1080 30fps 1920x1080 21fps 2048x1536 21fps 2048x1536 14fps 2592x1944 7fps 3648x2752 Rates 42fps 1280x1024 5 411 1280x1024 29fps 1920x1080 30fps 1920x1080 21fps 2048x1536 12fps 2592x1944 CICDDSd 41fps 1280x1024 31fps 1600x1200 29fps 1920x1080 18fps 2048x1536 p 41fps 1280x1024 41fps 1280x1024 25fps 1920x1080 37fps 1280x1024 5 461 1024x768 21fps 1024x768 34fps 1296x972 29fps 1920x1080 5 641 960x540 27105 800x600 5 461 1024x768 26105 1824x1376
28. APPLY TO YOUR PROJECT EXPLAIN WHY IT DOES NOT 1 That existing neighborhood serving retail uses be preserved and enhanced and future opportunities for resident employment in and ownership of such businesses enhanced 2 That existing housing and neighborhood character be conserved and protected in order to preserve the cultural and economic diversity of our neighborhoods The Conservatory of Flowers is in Golden Gate Park a holding of the San Francisco Recreation and Parks 3 That the City s supply of affordable housing be preserved and enhanced The Conservatory of Flowers is a San Francisco Recreation and Parks Department facility and is not related to 4 That commuter traffic not impede Muni transit service or overburden our streets or neighborhood parking The proposed project will not result in commuter traffic impeding MUNI transit service or overburdening the 12 SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 13 Continuation Sheet 5 That a diverse economic base be maintained by protecting our industrial and service sectors from displacement due to commercial office development and that future opportunities for resident employment and ownership in these sectors be enhanced The Conservatory of Flowers is a public park facility and is not related to the City s industrial or service sectors therefore the proposed project will not have any impact on industrial and service sector jobs 6 That the City achieve the grea
29. C 1135 Tension Adhension Strength Asia and Europe At 25 extension psi MPa 45 0 310 COMPOSITION At 50 extension psi MPa QR e One part neutral cure RTV ASTM C 719 Joint Movement Capability percent 50 silicone sealant ASTM C 1248 Staining granite marble lime Stone brick and concrete None Kynar is a trademark of Atofina Chemicals Inc Contact your local Dow Corning Sales Application Engineer for specifics As Cured After 21 days at 25 C 77 F and 50 RH followed by 10 000 hours in a QUV weatherometer ASTM G 53 ASTM C 1135 Tensile Adhension Strength At 25 extension At 50 extension Based on South Coast Air Quality Management District of California Maximum VOC is listed both psi MPa psi MPa 35 0 241 50 0 345 inclusive and exclusive of water and exempt compounds For a VOC data sheet for a specific sealant color please send your request to product inquiry 9 dowcorning com DESCRIPTION Dow Corning 795 Silicone Building Sealant is a one part neutral cure This cold applied non sagging silicone material cures to a medium modulus silicone rubber upon exposure to atmospheric moisture The cured sealant is durable and flexible enough to accommodate 50 percent movement of original joint dimension architectural grade sealant that easily extrudes in any weather and cures quickly at room temperature when installed in a properly designed weather seal joint In a properly designed structurally gl
30. EB http www sfplanning org No appointment is necessary x 15 SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 Continuation Sheet Conservatory of Flowers Certificate of Appropriateness Items 3 and 4 from C of A Application Narrative Project Description The San Francisco Recreation and Parks Department RPD proposes to address the issue of deteriorating glazing putty at the Conservatory of Flowers with a compatible silicone cap system RPD also proposes to increase security at the site through the installation of security cameras at select locations A project description for each effort is provided below New Muntin Caps The proposed project involves removal of the existing deteriorated glazing putty at all vertical wood muntins on the Conservatory of Flowers roof main building including central dome entry vestibule and wings and installation of a new silicone system appropriate for glazing Though the existing putty is the best quality of its type it has been proven to have a short service life and constitutes a significant recurring maintenance cost to the City s Recreation and Park Department The existing putty was a faithful match to original material and met the historic preservation criteria when installed as part of the restoration This putty has not performed as anticipated The poor performance may be due to the fact that the glazing is not set vertically but rather is sloped This allows water to remain on the p
31. MUNI transit service or overburdening the streets or neighborhood parking A diverse economic base will be maintained by protecting our industrial and service sectors from displacement due to commercial office development And future opportunities for resident employment and ownership in these sectors will be enhanced The proposed will not have any impact on industrial and service sector jobs The City will achieve the greatest possible preparedness to protect against injury and loss of life in an earthquake Preparedness against injury and loss of life in an earthquake 1s improved by the proposed work The work will be executed in compliance with all applicable construction and safety measures That landmark and historic buildings will be preserved The proposed project is in conformance with Article 10 of the Planning Code and the Secretary of the Interior s Standards Motion No CASE NO 2014 0690A Hearing Date May 20 2015 Conservatory of Flowers H Parks and open space and their access to sunlight and vistas will be protected from development The proposed project will not impact the access to sunlight or vistas for the parks and open space 5 For these reasons the proposal overall is appropriate for and consistent with the purposes of Article 10 meets the standards of Article 10 and the Secretary of Interior s Standards for Rehabilitation General Plan and Prop M findings of the Planning Code SAN FRANCISCO 6 PLAN
32. NING DEPARTMENT Motion No CASE NO 2014 0690A Hearing Date May 20 2015 Conservatory of Flowers DECISION That based upon the Record the submissions by the Applicant the staff of the Department and other interested parties the oral testimony presented to this Commission at the public hearings and all other written materials submitted by all parties the Commission hereby GRANTS a Certificate of Appropriateness for the property located at Lot 001 in Assessor s Block 1700 for proposed work in conformance with the renderings and architectural plans labeled Exhibit A on file in the docket for Case No 2014 0690A APPEAL AND EFFECTIVE DATE OF MOTION The Commission s decision on a Certificate of Appropriateness shall be final unless appealed within thirty 30 days Any appeal shall be made to the Board of Appeals unless the proposed project requires Board of Supervisors approval or is appealed to the Board of Supervisors as a conditional use in which case any appeal shall be made to the Board of Supervisors see Charter Section 4 135 Duration of this Certificate of Appropriateness This Certificate of Appropriateness is issued pursuant to Article 10 of the Planning Code and is valid for a period of three 3 years from the effective date of approval by the Historic Preservation Commission The authorization and right vested by virtue of this action shall be deemed void and canceled if within 3 years of the date of this Motion a site pe
33. NS The proposed project complies will all sections of the Planning Code SAN FRANCISCO 2 PLANNING DEPAHTMENT Certificate of Appropriateness Case Number 2014 0690A May 20 2015 Conservatory of Flowers APPLICABLE PRESERVATION STANDARDS ARTICLE 10 Pursuant to Section 1006 2 of the Planning Code unless exempt from the Certificate of Appropriateness requirements or delegated to Planning Department Preservation staff through the Administrative Certificate Appropriateness process the Historic Preservation Commission is required to review any applications for the construction alteration removal or demolition of any designated Landmark for which a City permit is required Section 1006 6 states that in evaluating a request for a Certificate of Appropriateness for an individual landmark or a contributing building within a historic district the Historic Preservation Commission must find that the proposed work is in compliance with the Secretary of the Interior s Standards for the Treatment of Historic Properties as well as the designating Ordinance and any applicable guidelines local interpretations bulletins related appendices or other policies THE SECRETARY OF THE INTERIOR S STANDARDS Rehabilitation is the act or process of making possible a compatible use for a property through repair alterations and additions while preserving those portions or features that convey its historical cultural or architectural values The Rehabilitation
34. NT 10 08 2012 4 Project Summary Table If you are not sure of the eventual size of the project provide the maximum estimates GROSS SQUARE FOOTAGE GSF EXISTING USES uso PROJECT TOTALS Residential 0 Retail Office Industrial PDR Production Distribution amp Repair EXISTING USES NET NEW CONSTRUCTION EXISTING USES TO BE RETAINED AND OR ADDITION PROJECT TOTALS Please provide a narrative project description and describe any additional project features that are not included in this table See Continuation Sheet for project description SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 0 Findings of Compliance with Preservation Standards FINDINGS OF COMPLIANCE WITH PRESERVATION STANDARDS YES NO N A 1 Is the property being used as it was historically X C 2 Does the new use have minimal impact on distinctive materials features spaces and spatial relationship Is the historic character of the property being maintained due to minimal 3 l A changes of the above listed characteristics _ Are the design changes creating a false sense of history of historical 4 development possible from features or elements taken from other historical Ll MK properties 5 Are there elements of the property that were not initially significant but have E X 1 acquired their own historical significance 6 Have the elements referenced in Finding 5 been retain
35. One full set of architectural plans showing existing conditions and proposed scope of work All plans shall include a site plan with the area of work identified and existing and proposed floor plans elevations including those of adjacent properties and section s at either 1 8 or 1 4 scale dependent on the size of the project and detail drawings at 1 2 scale Photographs The application must include photographs of the subject property including the primary facade and where the work is proposed In addition photographs must be submitted of the adjacent properties and street frontages that accurately depict the existing context Please submit historic photos of the project if applicable AII photographs should be large enough to show the nature of the property but not over 11 x 17 inches Specifications amp Material Samples Include product specifications if there is any cleaning and or repair of historic materials If there is repointing or material replacement product samples must be submitted Cut Sheets For replacement windows and other features product cut sheets must be submitted Notification Radius Map Address List and Labels See instructions on the following pages for more details Fees Please refer to the Planning Department Fee Schedule available at www sfplanning org or at the Planning Information Center PIC located at 1660 Mission Street First Floor San Francisco for the applicable applicati
36. RNING CUSTOMER SERVICE USABLE LIFE AND STORAGE When stored at or below 27 C 80 F Dow Corning 795 Silicone Building Sealant has a shelf life of 12 months from the date of manufacture Refer to product packaging for Use By Date PACKAGING INFORMATION Dow Corning 795 Silicone Building Sealant is supplied in 10 3 fl oz 305 mL disposable plastic cartridges that fit ordinary caulking guns 20 11 oz 590 mL sausages and 2 and 4 5 gal 7 5 and 1 7 L bulk containers LIMITATIONS Dow Corning 795 Silicone Building Sealant should not be used e In structural applications without prior review and approval by your local Dow Corning Sales Application Engineer e In below grade applications e When surface temperatures exceed 50 C 122 F during installation e On surfaces that are continuously immersed in water e On building materials that bleed oils plasticizers or solvents that may affect adhesion e On frost laden or wet surfaces e In totally confined joints the sealant requires atmospheric moisture for cure e If the sealant is intended to be painted paints do not typically adhere to most silicone sealants e To surfaces in direct contact with food or other food grade applications This product is neither tested nor represented as suitable for medical or pharmaceutical uses Dow Corning is a registered trademark of Dow Corning Corporation We help you invent the future is a trademark of Dow C
37. SAN FRANCISCO PLANNING DEPARTMENT Certificate of Appropriateness Case Report HEARING DATE MAY 20 2015 Filing Date May 7 2014 Case No 2014 0690A Project Address Conservatory of Flowers Golden Gate Park Historic Landmark No 50 Conservatory of Flowers Zoning P Public OS Open Space Height and Bulk District Block Lot 1700 001 Applicant Matt Jasmin Recreation and Parks Department 30 Van Ness Avenue 5 Floor San Francisco CA 94102 Staff Contact Shelley Caltagirone 415 558 6625 shelley caltagirone sfgov org Reviewed By Tim Frye 415 575 6822 tim frye sfgov org PROPERTY DESCRIPTION 1000 GREAT HIGHWAY GOLDEN GATE PARK CONSERVATORY OF FLOWERS between John F Kennedy Drive and Conservatory Drive Assessor s Block 1700 Lot 001 The Conservatory of Flowers is an individual landmark located within the National Register listed Golden Gate Park Historic District The property is designated as Landmark No 50 in Planning Code Article 10 and as State Landmark No 841 in the National Register The Conservatory was constructed between 1878 and 1879 It is modeled after the conservatory in the Royal Botanic Gardens in Kew England It covers 15 000 square feet and is one of the largest conservatories in the United States The glass and wood building was the first municipal greenhouse in California and the first building in Golden Gate Park The conservatory was built by Lord and Burham greenhouse manufacturers in Irving
38. SSOR S BLOCK 1700 WITHIN A P PUBLIC ZONING DISTRICT AND AN OS OPEN SPACE HEIGHT AND BULK DISTRICT PREAMBLE WHEREAS on May 7 2014 the Recreation of Parks Department Project Sponsor filed an application with the San Francisco Planning Department hereinafter Department for a Certificate of Appropriateness to address deteriorating glazing putty at the Conservatory of Flowers by installing a silicone cap over the existing wood muntins and to increase security at the site by installing security cameras at 9 locations WHEREAS the Project was determined by the Department to be categorically exempt from environmental review The Historic Preservation Commission hereinafter Commission has reviewed and concurs with said determination WHEREAS on May 20 2015 the Commission conducted a duly noticed public hearing on the current project Case No 2014 0690A Project for its appropriateness www sfplanning org 1650 Mission St suite 400 San Francisco CA 94103 2479 Heception 415 558 6378 Fax 415 558 6409 Planning Information 415 558 6377 Motion No CASE NO 2014 0690A Hearing Date May 20 2015 Conservatory of Flowers WHEREAS in reviewing the Application the Commission has had available for its review and consideration case reports plans and other materials pertaining to the Project contained in the Department s case files has reviewed and heard testimony and received materials from interes
39. Seal custom molded shapes there is virtually no end to what you can do Create aesthetically pleasing weep hole covers setting blocks corner and finish pieces Overcome the tolerance limitations of wet sealants in high movement joints Enhance window systems Create splice joints for curtainwall applications Repair failed weatherseals and zipper gaskets We can match almost any color Challenge us with your color requirement Two different tear resistant formulations general purpose and high tear are available in a range of colors and durometers to meet your unique aesthetic and performance needs AV05678 A wide range of colors textures and widths To ensure an attractive substrate matching seal Dow Corning 123 Silicone Seal is available in both matte and textured finishes in 11 of today s most popular building colors Dow Corning 123 Silicone Seal is supplied in 100 foot rolls in widths ranging from 1 to 6 inches in 1 2 inch increments and from 7 to 12 inches in 1 inch increments Custom colors textures widths and designs are also available for a no limits approach to weathersealing aesthetics Gray White Adobe Tan Blue Spruce E z Dusty Rose D ae a Bronze 5 Black Sandstone Limestone Rustic Brick Charcoal 4 2 2 The Towers Mesa Arizona Problem Repeated urethane sealant failure persistent leaks water damaged
40. Treatment of paint failure Visually examine interior and exterior wood elements Measure moisture content at selected locations to compare with annual inspections Separate muntin cap extrusion at selected locations to inspect wood condition including coatings Reseal extrusion using same silicone sealant Provide recommendations including repair options if warranted Inspection of wood by Wood Technologist Appendix 10 Proposed security camera locations E 8j 9 ony M 2 N 122927 36 3 T l E z Wen 21 n 37 46 22 4 1 DEM IN Ss ag E E m W elev 273 ft F DT D AN i V X FEF Fat ir 8 ANS y NICE S d 1 N WR 7 acre E alls m 57 W S i 758 7 ET 4 nd AS LE NV MIA M i ra JP Li YT EA STR 5 Rm dur A A M Vt Mi I j 1 d OV AL L ARY 10 AN y i jJ m pi ail 1 n Wi HET ue m p 1 4 JE pp m s E D 1 f 1 tm P La a 1 4 Ld i i LI V T UM J i 5 JM p a Li lt gt I
41. acturer s warranties for as long as 20 years are possible to obtain with qualified applicators Thus the criteria of long service life and proven in service records are met e The extrusion is a virtual match in size and form for the existing muntin Further silicone will not change color over time and remains flexible Its flexibility and adhesive qualities will keep broken glass in place until replacement 2 ARG Project 14117 Conservatory of Flowers Putty Repair January 20 2015 PARAMETERS OF MUNTIN CAP TEST e Because silicone is durable in an outdoor environment there will be minimal maintenance costs until replacement is necessary in 10 to 20 years The only maintenance necessary will be cleaning and checking proper adhesion of the silicone bedding bead e The installation design of the extrusion is such that the wood muntin is unaffected The extrusion protects the muntin from rain and ultraviolet degradation but is only attached to the glass Thus historic fabric is protected and the extrusion system provides better weather protection for the muntins as it shields the wood from rainwater Further extending the extrusion over the base of the muntins provides protection of the vulnerable end grain For reasons explained it was determined that the use of a silicone extrusion was a viable option for this application Appendix 3 Muntin cap test photographs and site map ARG 14124 Conservatory of Flowers May 7 2015 Muntin Tr
42. al Important Note How to correctly install MeqaDome 2 on a ROUGH surface wall Correct Installation Inappropriate Installation Please install the MegaDome 2 with wall mount MD WMT2 and junction box adapter SV JBA to avoid water leakage risk on ROUGH surface wall surface as shown in Image 15 MD WMT2 Attaching the MegaDome 2 directly onto a ROUGH wall surface may result in water leakage see Image 16 Not Recommended fj 000 Vision MegaDome 2 A Image 16 NOTE Water damage from improper installation is not covered by the warranty Image 15 Note Please see how to install MD WMT2 on page 9 and SV JBA on page 10 6 Page Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separately Wall Mount MD WMT2 Installation Instructions Caution MD WMT2 only fits with SV JBA and SV EBA but not with the older MD JBA and MD EBA Inside the box Wall mount Top shield Mounting template One double sided hex key Pack of four 4 machine screws Pack of four 4 wood screws and four 4 Image 18 dry wall anchors UU E Ce e 2 Using the mounting template prepare the Not included but needed mounting surface e 2 Phillips head screwdriver 3 Attach wall mount to the wall using drywall screws or any optional hardware suitable for the mounting surface 3 Install top shield on the wall mount as shown in image 18 4 Fasten the
43. at the east entry gate with the Mega Dome Pole Mount Adaptor as shown on Page 69 of this application The camera finish is powder coated aluminum The standard color is white which is the same color as the surface that the camera will be attached to for all locations except for 5 and 9 Locations 5 and 9 are located at the rear service yard and the neutral white color is appropriate in these areas See Appendix 10 for proposed security camera locations and Appendices 11 13 for product information on the security cameras and attachments from Page 8 Please summarize how your project meets the Secretary of the Interior s Standards for the Treatment of Historic Properties in particular the Guidelines for Rehabilitation and will retain character defining features of the building and or district New Muntin Caps The proposed project is compliant with the Secretary of the Interior s Standards for Rehabilitation It involves removal of the existing deteriorated glazing putty at all vertical wood muntins on the Conservatory of Flowers roof and installation of an extruded silicone cap over the muntin The project maintains the historic use of the property Standard 1 and does not propose changes that create a false sense of historical development Standard 3 It does not include alterations to features that have acquired significance over time Standard 4 or have the potential to affect any archeological resources Standard 8 The proposed
44. azed joint the sealant is strong enough to support glass and other panel materials under high wind load APPROVALS SPECIFICATIONS Dow Corning 795 Silicone Building Sealant meets the requirements of e Federal Specification TT S 001 543A COM NBS Class A for silicone building sealants e Federal Specification TT S 00230C COM NBS Class A for one component building sealants e ASTM Specification C 920 Type S Grade NS Class 50 Use NT G A and O e ASTM Specification C 1184 for structural silicone sealants e Canadian Specification CAN2 19 13 M82 dll SEALANT WATERPROOFING Jh amp RESTORATION INSTITUTE Issued to Dow Corning Corp Product 795 Silicone Building Sealant C719 Pass v Ext 50 Comp 50 Substrate Glass Aluminum Glass and Aluminum Substrates were tested unprimed C661 Rating 35 Validation Date 8 17 07 8 16 12 No 807 SBS807 Copyright 2007 SEALANT VALIDATION www swrionline org COLORS Dow Corning 795 Silicone Building Sealant is available in 13 colors white limestone champagne natural stone gray black bronze sandstone adobe tan dusty rose rustic brick blue spruce and charcoal Custom colors may be ordered to match virtually any substrate HOW TO USE Please consult the Dow Corning Americas Technical Manual Form No 62 1112 for detailed information on state of the art application methods and joint design Please contact your local Dow Corning Sales 20
45. c resource As such the proposed project is compliant with this Standard 19 10 New additions and adjacent or related new construction will be undertaken in such a manner that if removed in the future the essential form and integrity of the historic property and its environment would not be impaired No new additions or adjacent new construction are proposed as part of this project However the proposed work will be undertaken in a manner that if removed in the future the essential form and integrity of the historic property would not be impaired The silicone cap proposed for installation over the existing muntins will adhere to the glass on either side of the wood component not to the wood itself thereby protecting the existing material in place The security cameras will require minimal attachments to adjacent surfaces and may easily by removed in the future without damage to the historic resource or site As such the proposed project is compliant with this Standard 20 Appendices 1 2 8 9 Existing Proposed and Drip Edge Detail drawings for Conservatory muntins Muntin cap test parameters Muntin cap test photographs and site map Glazing putty vs silicone muntin cap treatment comparison Local examples of similar silicone extrusion installations Muntin cap installation specifications Dow Corning 795 Silicone Building Sealant product information Dow Corning 123 Silicone Seal product informat
46. c materials will not be used Standard 8 Archeological resources will be protected and preserved in place If such resources must be disturbed mitigation measures will be undertaken Standard 9 New additions exterior alterations or related new construction will not destroy historic materials features and spatial relationships that characterize the property The new work will be differentiated from the old and will be compatible with the historic materials features size scale and proportion and massing to protect the integrity of the property and its environment Standard 10 New additions and adjacent or related new construction shall be undertaken in such a manner that if removed in the future the essential form and integrity of the historic property and tts environment would be unimpaired PLANNING DEPARTMENT 3 Motion No CASE NO 2014 0690A Hearing Date May 20 2015 Conservatory of Flowers 3 General Plan Compliance The proposed Certificate of Appropriateness is on balance consistent with the following Objectives and Policies of the General Plan I URBAN DESIGN ELEMENT THE URBAN DESIGN ELEMENT CONCERNS THE PHYSICAL CHARACTER AND ORDER OF THE CITY AND THE RELATIONSHIP BETWEEN PEOPLE AND THEIR ENVIRONMENT GOALS The Urban Design Element is concerned both with development and with preservation It is a concerted effort to recognize the positive attributes of the city to enhance and conserve those attributes and to
47. cap accessory de signed for the Megadome Series Com bining MD WMT2 and MD CAP acces sories with the superior imaging of an AM camera provides the perfect solution for environments requiring wall or pen dant mounting configurations Arecont Vision Advantages Superior Solution for Various Environments e Indoor or outdoor applications Excellent Enclosure Protection e Heavy duty enclosure features an IP66 rating for applications in harsh environments Easy Installation e Easy installation and superior design perfect for indoor or outdoor applications Full View in All Directions e Use the Megadome Series to ensure outstanding observation with excellent color sensitivity and high resolution Compatibility e Compatible with 1 5 NPT standard Vandal Resistant e Die cast aluminum resistant to impact and salt damage Specification sheets subject to change without notice www arecontvision com avsales arecontvision com 1 818 937 0700 877 CAMERA 8 amp Specifications M D WMT 2 CAP Model Numbers MD WMT2 Wall Mount with CAP MD CAP 1 5 NPT Mount CAP Only Mechanical e Housing material Aluminum e Color Ivory pantone cool gray 1c e Housing Height MD CAP 2 57 in 65 3mm MD WMIT 2 4 76in 121 mm e Housing Diameter 6 06 in 154 1 mm e Weight w o camera MD CAP 1 02 lbs 465kg MD WMT2 1 66 Ibs 7559 Environmental e Enclosure Protection e P66 Outdoor Pro
48. ce and use Changes that create a false sense of historical development such as adding conjectural features or elements from other historic properties will not be undertaken SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 4 Changes to a property that have acquired historic significance in their own right will be retained and preserved 5 Distinctive materials features finishes and construction techniques or examples of fine craftsmanship that characterize a property will be preserved 6 Deteriorated historic features will be repaired rather than replaced Where the severity of deterioration requires replacement of a distinctive feature the new feature will match the old in design color texture and where possible materials Replacement of missing features will be substantiated by documentary and physical evidence 7 Chemical or physical treatments if appropriate will be undertaken using the gentlest means possible Treatments that cause damage to historic materials will not be used 10 SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 8 Archeological resources will be protected and preserved in place If such resources must be disturbed mitigation measures will be undertaken 9 New additions exterior alterations or related new construction will not destroy historic materials features and spatial relationships that characterize the property The new work shall be differentiated from the old and will be compatible with
49. cipal facades Installation of the cameras does 18 not involve alteration of any distinctive materials features or finishes and is therefore compliant with this Standard Deteriorated historic features will be repaired rather than replaced Where the severity of deterioration requires replacement of a distinctive feature the new feature will match the old in design color texture and where possible materials Replacement of missing features will be substantiated by documentary and physical evidence See discussion under Standards 2 and 5 above An extruded silicone cap will be installed over the existing wood muntins This cap will be attached to the glass with a silicone sealant to address the problem of the inadequate seal provided by the existing glazing putty The new extruded cap will be opaque white to match the existing paint and will have a trapezoidal shape to match the profile of the historic muntin with putty The cap will have a similar visual texture as the existing painted wood and is therefore compliant with this Standard Chemical or physical treatments if appropriate will be undertaken using the gentlest means possible Treatments that cause damage to historic materials will not be used The use of a biocide on the end grain of the muntins to stop or prevent rot may be used if deemed necessary to preserve the wood The biocide will preserve the existing and historic wood components and its use is compliant with this
50. cone extrusion that was considered having too wide a profile The muntin on the right shows silicone sealant used as substitute for fish oil glazing putty While this muntin appears to be successful in appearance it was unsuccessful in its ease of application and cost making it an unsuccessful mockup ARG 14124 Conservatory of Flowers May 7 2015 Muntin Treatment Test Mock Ups Detail photo of extrusion installed at South Test Location 2 Wood muntin indicated by the red arrow underneath silicone cap and sealant is protected and exhibits no signs of biogrowth at South Test Location 2 after one year Appendix 4 Glazing putty vs silicone muntin cap treatment comparison ARG Project 14124 Conservatory of Flowers Putty Repair 1 20 2015 GLAZING PUTTY VS SILICONE MUNTIN CAP TREATMENT Glazing Putt Silicone Seal and Cap E y Muntin Treatment Installation Time Ease of Use Material Cost Product Longevity Required Maintenance Retreatability Appearance Waterproofing Substrate must first be primed Installed putty requires 4 weeks to set before paint can be applied over installation for additional protection Must be applied at temperature above 40 F Surfaces must be primed with oil based primer Additional linseed oil may be used to thin product for better workability Easy removal with mineral spirits before setting Material will be costly as more will have
51. ction Plan Detail drawings i e windows door entries trim Specifications for cleaning repair etc and or product cut sheets for new 2 elements i e windows doors NOTES L Required Material Write N A if you believe the item is not applicable e g letter of authorization is not required if application is signed by property owner 5 Typically would not apply Nevertheless in a specific case staff may require the item PLEASE NOTE The Historic Preservation Commission will require additional copies each of plans and color photographs in reduced sets 11 x 17 for the public hearing packets If the application is for a demolition additional materials not listed above may be required All plans drawings photographs mailing lists maps and other materials required for the application must be included with the completed application form and cannot be borrowed from any related application For Department Use Only Application received by Planning Department By Date FOR MORE INFORMATION Call or visit the San Francisco Planning Department 1 z Sg un eg J a o 1 x3 le Central Reception Planning Information Center PIC 1650 Mission Street Suite 400 1660 Mission Street First Floor san Francisco CA 94103 2479 san Francisco CA 94103 2479 PLANNING TEL 415 558 6378 TEL 415 558 6377 VEPAMFINENI FAX 415 558 6409 Planning staff are available by phone and at the PIC counter W
52. d all cameras may be removed in the future without damage to the integrity of the historic property 17 Findings of Compliance with General Preservation Standards from pages 9 11 1 The property will be used as it was historically or be given a new use that requires minimal change to its distinctive materials features spaces and spatial relationships The proposed work does not include a change of use and is compliant with this Standard 2 The historic character of a property will be retained and preserved The removal of distinctive materials or alteration of features spaces and spatial relationships that characterize the property will be avoided The project includes removal of the existing deteriorated glazing putty and installation of an extruded silicone cap to protect the existing wood muntins on the Conservatory of Flowers roof The cap will protect the wood components in place and will match the color and profile of the historic muntin with putty The existing glazing putty itself is not a distinctive material but the wood muntins are distinctive visual features of the roof The proposed action retains and preserves the wood components in place with minimal impact and is compliant with this Standard The proposed installation of nine security cameras on site will maintain all character defining features of the property and the proposed work will not require removal or alteration of features that characterize the Conservato
53. d for the Project Provide 2 6 inch long sample beads taken from 2 randomly selected tubes of custom colored sealant for Architects review and approval Architect s acceptance will be for color and workmanship only Compliance with other requirements is the Contractor s responsibility Statement of Application Submit copy of statement in an approved form signed by the Contractor stating that the products comply with these Specifications and were the proper selections for the applications made and that the installation methods complied with the manufacturer s printed instructions and their field representatives verbal instructions and were proper and adequate for the condition of installation and use Adhesion Test Results Submit digital photographs and samples from random adhesion tests required throughout Project for Architect s review 07900 1 CONSERVATORY OF FLOWERS PUTTY REPLACEMENT 1 4 PRE CONSTRUCTION TESTING A ARG 14124 Pre construction Compatibility and Adhesion Testing Prior to testing of mock ups submit samples of all materials that will contact or affect sealants to sealant manufacturers for compatibility and adhesion testing as indicated below 1 Use test methods standard with manufacturer to determine if priming and other specific joint preparation techniques are required to obtain rapid optimum adhesion of sealants to joint substrates Perform tests under conditions of 72 deg F temperature and 50
54. e the sample installation in the presence of the manufacturer s representative 1 6 DELIVERY STORAGE AND HANDLING A Contractor shall protect caulking materials before during and after installation Contractor shall protect the installed work of other trades during installation 17 JOB CONDITIONS A ARG 14124 Contractor shall not proceed with the installation of sealant if the joint width is less than designed or if any detrimental conditions exist until written acknowledgment with an order to proceed is provided by the Architect Do not install materials when the temperature is below 40 deg F unless the manufacturer specifically recommends application of his materials at lower temperatures If job progress or any other condition requires installations when temperatures are below 40 deg F or below the minimum installation temperature recommended by the manufacturer consult the manufacturer s representative and establish the minimum provisions required to ensure satisfactory work Record in writing to the manufacturer with copy to the Architect the conditions under which such installation must proceed and the provisions made to ensure satisfactory work Do not proceed with installation of sealants during inclement weather unless all requirements and manufacturer s instructions can be complied with and unless the work can proceed in accordance with the agreements of the pre installation meeting Do not proceed with the ins
55. eatment Test Mock Ups The use of silicone sealants and extrusions as a substitute for putty were tested on the Conservatory at three muntin locations on May 16 2013 Two of the test muntin locations were located at the south side of the east wing while the third muntin location was on the north side of the east wing On December 23 2014 the mock ups were reviewed to assess their long term performance Ultimately after all the test mockups it was concluded that the most successful products and method of application were Dow Corning 123 Seal silicone extrusion paired with Dow Corning 795 silicone sealant applied on the outside of the extrusion The following pages contain 1 photos of the deteriorated conditions of muntins 2 plans and photos which specify the three test locations of the mock ups and 3 photo details of successful and unsuccessful mockups 1 Existing Conditions D iX WM CS 2 GET AA j 0 Sam OD m S EUER E WEM Mil The red arrows indicate the failed putty and biological growth at the wood muntins photos taken by ARG on May 16 2013 ARG 14124 Conservatory of Flowers May 7 2015 Muntin Treatment Test Mock Ups 1 The red arrows indicate the failed putty and biological growth at the wood muntins photos taken by ARG on May 16 2013 ARG 14124 Conservatory of Flowers May 7 2015 Muntin Treatment Test Mock Ups a North Test L
56. ectural features will be added to the landmark site The silicone muntin caps will be a clearly contemporary intervention to address the repeated failure of the historic glazing putting Standard 4 Changes to a property that have acquired historic significance in their own right will be retained and preserved SAN FRANCISCO 3 PLANNING DEPARTMENT Certificate of Appropriateness Case Number 2014 0690A May 20 2015 Standard 5 Standard 6 Standard 7 SAN FRANCISCO Conservatory of Flowers This Standard does not apply to the proposed project No aspects of the building or site involved in the proposed project have gained significance over time Distinctive materials features finishes and construction techniques or examples of craftsmanship that characterize a property will be preserved The project will not remove distinctive elements of the property The glazing putty itself is not a distinctive material but the wood muntins and their white painted finish are distinctive visual features of the roof The proposed project retains and preserves the muntins in place and mimics the appearance of the painted muntin and glazing putty The security cameras will be installed on support buildings and structures surrounding the main conservatory building but will not attach to principal facades Installation of the cameras does not involve alteration of any distinctive materials features or finishes Deteriorated historic features
57. ed and preserved LJ LJ x Have distinctive materials features finishes and construction techniques or x o examples of fine craftsmanship that characterize the property been preserved 8 Are all deteriorating historic features being repaired per the Secretary of the X 1 1 Interior Standards 0 9 Are there historic features that have deteriorated and need to be replaced 2 10 Do the replacement features match in design color texture and where X possible materials 0 TE Are any specified chemical or physical treatments being undertaken on historic HB materials using the gentlest means possible 12 Are all archeological resources being protected and preserved in place 13 Do exterior alterations or related new construction preserve historic materials 0 X 0 features and spatial relationships that are characteristic to the property _ Are exterior alterations differentiated from the old but still compatible with the 14 historic materials features size scale and proportion and massing to protect X _ the integrity of the property and its environment i If any alterations are removed one day in the future will the forms and integrity _ x E E of the historic property and environment be preserved Please summarize how your project meets the Secretary of the Interior s Standards for the Treatment of Historic Properties
58. ed or damaged by such contact or by cleaning methods required to remove sealant smears Remove tape immediately after tooling without disturbing sealant INSTALLATION A General Install materials in accordance with the manufacturer s printed instructions unless otherwise shown or specified Comply with recommendations of ASTM C1193 for installation of joint sealants and ASTM C962 for installation of elastomeric joint sealants as applicable to materials applications and conditions indicated Prime or seal substrates except where manufacturer provides written reports of tests conducted by an independent testing agency which demonstrates that primer or sealer is not required for the conditions of use and the substrates involved When priming comply with the application instructions of the sealant manufacturer Sealant shall be gun applied through a nozzle opening of such a diameter so that the full bead of sealant is gunned into the joint filling the joint completely A superficial or skin bead will not be acceptable 1 Apply sealants in continuous beads without open joints voids or air pockets so as to provide a watertight and airtight seal for the entire joint length and to allow optimum sealant movement capability 2 Apply sealants to the depth and width ratio recommended by the sealant manufacturer Minimum sealant depth not less than 2 joint width in no case less than 2 in when in contact with cementitious materials and
59. enter 1 989 496 6000 or 1 800 248 2481 Toll Free from the USA and Canada North America Dow Corning Corporation Tel 1 989 496 4000 South America Dow Corning do Brasil Ltda Tel 55 19 3887 9797 DOW CORNING ASIA Technical Information Center 86 21 3774 7110 DOW CORNING EUROPE Technical Information Centers ENGLISH call 49 0 611 237 778 GERMAN call 49 0 611 237 779 FRENCH call 49 0 611 237 773 Cover photos AV03748 AV05680 AV05391 LIMITED WARRANTY INFORMATION PLEASE READ CAREFULLY The information contained herein is offered in good faith and is believed to be accurate However because conditions and methods of use of our products are beyond our control this information should not be used in substitution for customer s tests to ensure that Dow Corning s products are safe effective and fully satisfactory for the intended end use Suggestions of use shall not be taken as inducements to infringe any patent Dow Corning s sole warranty is that the product will meet the Dow Corning sales specifications in effect at the time of shipment Your exclusive remedy for breach of such warranty is limited to refund of purchase price or replacement of any product shown to be other than as warranted DOW CORNING SPECIFICALLY DISCLAIMS ANY OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY DOW CORNING DISCLAIMS LIABILITY FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES Dow Cornin
60. er and all character defining features of the property are being maintained and the proposed work will not require removal or alteration of features that characterize the property All work will be undertaken with the gentlest means possible to avoid damage to historic materials Camera installation requires minimal attachments and all cameras may be removed in the future without damage to the integrity of the historic property ENVIRONMENTAL REVIEW STATUS The Planning Department has determined that the proposed project is exempt excluded from environmental review pursuant to CEQA Guideline Sections 15301 Class One Minor Alteration of Existing Structure because the project includes a minor alteration of an existing structure that meets the Secretary of the Interior s Standards PLANNING DEPARTMENT RECOMMENDATION Planning Department staff recommends APPROVAL WITH CONDITIONS of the proposed project as it appears to meet the Secretary of the Interior Standards for Rehabilitation Staff recommends the following conditions SAN FRANCISCO 6 PLANNING DEPARTMENT Certificate of Appropriateness Case Number 2014 0690A May 20 2015 Conservatory of Flowers e The project sponsor shall provide a condition assessment report to the Planning Department regarding the silicone muntin caps 5 years from the date of installation e The project sponsor shall provide specifications and a maintenance schedule for future roof cleaning and white washing to
61. ex key screws securing the dome cover Image 2 J Magnetic core Remove the vandal resistant dome cover NOTE Do not remove the screws from the Not included but needed dome cover e 1 Phillips head screwdriver e 2 Phillips head screwdriver recont Vision MeqaDome 2 Installation Manual If you are using the side conduit opening remove the conduit plug by first removing the socket set screw using the provided double sided hex key Image 3 Image 3 Note Make sure that you install the rubber gasket on the bottom of the camera to form a weather tight seal with the mount surface Run the Ethernet cable through the gasket and the hole on the bottom of the camera Image 4 or run the cable through the side conduit and plug it into the RJ45 port NOTE If the camera will be powered via PoE please skip to step 6 If the camera will be powered by an AC or DC power supply run the supplied power cable through the gasket and the hole on the bottom of the camera or run the cable through the side conduit and connect it to its respective connector inside the camera Image 3 NOTE Make sure that your installation of wires complies with Electrical Code of the local government where the camera is installed and that no bare wires are exposed Image 4 Align the holes in the camera with the prepared holes on the mounting surface Attach the camera to the mounting surface with the wood screws or any optional hardware
62. f Appropriateness 1 Owner Applicant Information PROPERTY OWNER S NAME San Francisco Recreation and Parks Department Eric Andersen Superintendent GGP primary contact PROPERTY OWNER S ADDRESS _ TELEPHONE McLaren Lodge Golden Gate Park 415 831 6818 0 501 Stanyan Street EMAI San Francisco CA 94117 0 APPLICANT S NAME Matt Jasmin Project Manager secondary project contact for security camera work APPLICANT S ADDRESS TELEPHONE 30 Van Ness Ave 415 581 2552 0 5th Floor EMAL San Francisco CA 94102 CONTACT FOR PROJECT INFORMATION David Wessel 0 CONTACT PERSON S ADDRESS _ TELEPHONE Architectural Resources Group 415 421 1680 0 6 9 The Embarcadero EMAILS San Francisco CA 94111 david argsf com 2 Location and Classification STREET ADDRESS OF PROJECT i aye 100 John F Kennedy Drive San Francisco CA 94118 ea REN EDAD John F Kennedy Drive and Conservatory Drive West ASSESSORS BLOCKILOT LOT DIMENSIONS LOTAREA SQFT ZONING DISTRICT HEGHIBUKDSTROR 1700 001 4 195 976 sf P PUBLIC OS ARTICLE 10LANDMARKNUMBER HISTORIC DISTRICT Landmark 50 Golden Gate Park National Register District 3 Project Description See Continuation Sheet for project description 1 0 000 s Building Permit Application No Not required Date Filed N A SAN FRANCISCO PLANNING DEPARTME
63. formation or applications may be required Signature Date Print name and indicate whether owner or authorized agent Owner Authorized Agent circle one T4 SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 Certificate of Aopropriateness Application Submittal Checklist The intent of this application is to provide Staff and the Historic Preservation Commission with sufficient information to understand and review the proposal Receipt of the application and the accompanying materials by the Planning Department shall only serve the purpose of establishing a Planning Department file for the proposed project After the file is established the Department will review the application to determine whether the application is complete or whether additional information is required for the Certificate of Appropriateness process Applications listed below submitted to the Planning Department must be accompanied by this checklist and all required materials The checklist is to be completed and signed by the applicant or authorized agent REQUIRED MATERIALS please check correct column Peli Application with all blanks completed 0 X E Site Plan n Floor Plan 0 Elevations Prop M Findings Bo 7 Historic photographs if possible and current photographs m F Check payable to Planning Department 1 Original Application signed by owner or agent ssi E Letter of authorization for agent o Other Se
64. g is a registered trademark of Dow Corning Corporation We help you invent the future 1s a trademark of Dow Corning Corporation 2002 2006 Dow Corning Corporation All rights reserved Printed in USA AGP8309 Form No 62 1131A 01 Appendix 9 Muntin cap maintenance and monitoring plan ARG Project 14124 Conservatory of Flowers Putty Repair 2 10 2015 MAINTENANCE PLAN FOR SILICONE EXTRUSION AND SEALANT Annual Tasks 5 10 Years 10 20 Years Placement of silicone caps Apply silicone m Monitor caps and sealant for Apply silicone sealant Replace silicone over wood muntins and caps and sealant nam cracking water inflitration and or to regions in need of muntin caps and application of silicone to regions in need failure repair sealant sealant to joints of repair Monitor moisture content Check moisture content of wood of the wood See plan drawings for locations Gently clean with damp rag using Clean caps and glazing of Wipedown of surfaces with damp basic cleaning all debris such as rag using water to remove visible agent such as biogrowth dirt and soot debris such as dirt and soot trisodium phosphate TSP or Simple Green Inspection of interior and Monitor painted surfaces for failure exterior surfaces and record on plan Remove loose coatings immediately and recoat with compatible coating If bare wood is exposed sand wood to remove weathered surface Prime with water based primer and recoat
65. h public hearings shall be as follows 1 Adescription of the project by the Department staff along with the Department s recommendation 2 A presentation of the proposal by the project sponsor s team for a period not to exceed 10 minutes 3 Public testimony from proponents of the proposal An individual may speak for a period not to exceed 3 minutes An organization or group will be given a period not to exceed 5 minutes if the organization or group is represented by one speaker Members of such groups are not allowed separate three 3 minutes of testimony 4 Public testimony from opponents of the proposal would be taken under conditions parallel to those imposed on proposal proponents 3 minutes for an individual and 5 minutes for a group or organization if the group or organization is represented by one speaker SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 Impact reports each member of the public may speak for a period not to exceed three 3 minutes 6 Discussion and vote by the Historic Preservation Commission on the matter before it 7 The President may impose time limits on appearances by members of the public and may otherwise exercise his or her discretion on procedures for the conduct of public hearings Private Transcription The Commission President may authorize any person to transcribe the proceedings of a Regular Special or Committee Meeting provided that the President may require that a copy of
66. improve the living environment where it is less than satisfactory The Plan is a definition of quality a definition based upon human needs OBJECTIVE 1 EMPHASIS OF THE CHARACTERISTIC PATTERN WHICH GIVES TO THE CITY AND ITS NEIGHBORHOODS AN IMAGE A SENSE OF PURPOSE AND A MEANS OF ORIENTATION POLICY 1 3 Recognize that buildings when seen together produce a total effect that characterizes the city and its districts OBJECTIVE 2 CONSERVATION OF RESOURCES WHICH PROVIDE A SENSE OF NATURE CONTINUITY WITH THE PAST AND FREEDOM FROM OVERCROWDING POLICY 2 4 Preserve notable landmarks and areas of historic architectural or aesthetic value and promote the preservation of other buildings and features that provide continuity with past development POLICY 2 5 Use care in remodeling of older buildings in order to enhance rather than weaken the original character of such buildings POLICY 2 7 Recognize and protect outstanding and unique areas that contribute in an extraordinary degree to San Francisco s visual form and character The goal of a Certificate of Appropriateness is to provide additional oversight for buildings and districts that are architecturally or culturally significant to the City in order to protect the qualities that are associated with that significance The proposed project qualifies for a Certificate of Appropriateness and therefore furthers these policies and objectives by maintaining and preserving the character defini
67. ion Silicone extrusion and sealant maintenance and monitoring plan 10 Proposed security camera locations 11 MegaDome 2 product information 12 MegaDome wall mount and cap product information 13 MegaDome 2 Installation Manual Appendix 1 Existing Proposed and Drip Edge Detail drawings for Conservatory muntins SST BRAD DRIVEN INTO MUNTIN BELOW EACH PANE OF GLASS TO PREVENT SLIDING GLAZING PUTTY TO COVER BRAD UPPER GLAZING PANE ZINC GLAZING POINTS TO PREVENT UPLIFT E WINDOW PUTTY AT MUNTIN SCALE 6 O MUNTIN DETAILS DWS SILICONE EXTRUSION E GLAZING PUTTY TYP UPPER GLAZING PANE SILICONE SEALANT BEAD AT EDGES TYP PROPOSED SILICONE EXTRUSION AT MUNTIN SCALE 6 2 MUNTIN DETAILS DNG SILICONE EXTRUSION MUNTIN CAP SILICONE SEALANT BEAD AT EDGES TYP WD MUNTIN BELOW PROVIDE 4 DRIP EDGE AT END OF MUNTIN TO PREVENT MOISTURE RETURNING TO WOOD TEM 6 DRIP EDGE AT MUNTIN TERMINATION NOT TO SCALE MANTIN DETAILS DNG Appendix 2 Muntin cap test parameters ARG Project 14117 Conservatory of Flowers Putty Repair January 20 2015 PARAMETERS OF MUNTIN CAP TEST Several years after the restoration of the Conservatory of Flowers Conservatory staff observed deterioration of the fish oil putty The putty was installed as part of the restoration project of 2003 to secure and waterproof the glass lights that are installed in a shingle
68. iorated sealants immediately and reseal joints with new materials to produce sealant installations with repaired areas indistinguishable from original work Remove all rubbish cartons and debris resulting from caulking operations daily during the performance of the work 3 4 FIELD QUALITY CONTROL A ARG 14124 Waterproof Test After curing exterior sealants test joints for leaks by applying a stream of water perpendicularly from a 3 4 in hose at normal city water pressure Test the sealed joint system of not less than 5 of the construction components Test the sealed joint system comprised of the actual construction components Conduct tests in the presence of the Architect s representative who will determine the actual percentage of joints to be tested and the period of water flow exposure based upon any evidence of leakage Repair leaks or other defects and retest as directed Repair or replace other work damaged by such leaks END OF SECTION CAULKING amp SEALANTS 07900 5 Appendix 7 Dow Corning 795 Silicone Building Sealant product information Note See Appendix 6 for installation specifications Product Information DOW CORNING Silicone Sealants u Dow Corning 795 Silicone Building Sealant FEATURES E e Suitable for most new construction and remedial sealing applications Neutral one part silicone sealant APPLICATIONS e Versatile high performance e Structural and nonstructural gla
69. manufacturer agrees to have a qualified representative at the Site at the start up of the work of this Section The Contractor shall give the manufacturer notice one week prior to start up that his presence will be required to ensure proper installation of his materials Manufacturer s Instructions Follow the manufacturer s printed instructions for the use and installation of his products except follow the Specifications given herein when they are more restrictive Where sealants are installed by several trades prior to commencing work coordinate sealant work with adjacent sealant work of other installers relative to scheduling and sequencing of work and compatibility of materials used by each trade Report differences to Architect Pre Installation Meeting Prior to the installation of sealant and at the Contractor s direction meet at the project site to review the material selections joint preparations installation procedures and coordination with other trades Meeting shall include the sealant Installer Owner s Project Representative Contractor Architect Manufacturer s representative and representatives of other trades or subcontractors affected by the sealant installation Examine sample installations that have been prepared and determine and record whether everyone present is in agreement that the proposed installations are likely to perform as required Notify Architect and Owner s Project Representative prior to meeting as to
70. mended Apply a bead of Dow Corning sealant on each side Wait 10 minutes then roller the 123 Silicone Seal into place That s all PES NE Z there is to it whether you re installing a new Seal or repairing a failed one In remedial applications there s no need to cut out the old seals a costly labor intensive process that can severely damage EIFS cladding With Dow Corning 123 Silicone Seal you not only stop leaks You also save time and money AV03749 AV03873 AV03750 Custom Designs the Possibilities Are Endless The world is not flat Neither are many of your weathersealing challenges Dow Corning 123 Silicone Seal extru sions can be custom designed in special widths with special grooves or notches so you can bend them around or into almost any angle for smooth corners and transitions Dow Corning 123 Silicone Seal Custom Designs H C For more complex applications Dow Corning offers Dow Corning 123 Silicone Seal Custom Designs H C Made of high consistency silicone rubber Custom Designs H C are even tougher and more versatile than standard 123 Silicone Seal Choose from 12 to 36 inch translucent or pigmented silicone calendered sheets excellent for flashing and weatherproofing applications complex custom extrusions with single or dual durometers and custom three dimensional molded silicone rubber shapes With the wide range of durometers and colors available with the 123 Silicone
71. nding technical support A 10 year Limited Weatherseal Warranty is available from Dow Corning to give you even greater peace of mind Performance Limited Warranty Put 123 Silicone Seal to the test With custom colors textures widths designs and performance properties Dow Corning 123 Silicone Seal is the ultimate in weathersealing versatility Put it to the test in your next weathersealing project For more information To learn more about Dow Corning 123 Silicone Seal or Dow Corning s custom color and design capabilities contact a Dow Corning sales representative or product distributor For the name of a distributor in your area call 1 877 SEALANT 1 877 732 5268 or 1 989 496 6000 Or visit the Dow Corning construction web site on www dowcorning com Look for us under Industries The construction web site offers downloadable infor mation about the materials and support available from Dow Corning a product finder application trouble shooter and other useful tools We help you invent the future DOW CORNING a How to contact us Dow Corning has sales offices manufacturing sites as well as science and technology laboratories around the globe Telephone numbers of locations near you are avail able on the world wide web at www dowcorning com or by calling one of our primary locations listed below Your Global Connection DOW CORNING AMERICAS Technical Information C
72. ng features of the landmark for the future enjoyment and education of San Francisco residents and visitors SAN FRANCISCO 4 PLANNING DEPARTMENT Motion No CASE NO 2014 0690A Hearing Date May 20 2015 Conservatory of Flowers 4 The proposed project is generally consistent with the eight General Plan priority policies set forth in Section 101 1 in that A B C D E F G SAN FRANCISCO PLANNING DEPARTMENT The existing neighborhood serving retail uses will be preserved and enhanced and future opportunities for resident employment in and ownership of such businesses will be enhanced The proposed project is for the rehabilitation of a greenhouse facility and will not have any impact on neighborhood serving retail uses The existing housing and neighborhood character will be conserved and protected in order to preserve the cultural and economic diversity of our neighborhoods The proposed project will strengthen neighborhood character by respecting the character defining features of the site in conformance with the Secretary of the Interior s Standards The City s supply of affordable housing will be preserved and enhanced The project will not reduce the affordable housing supply as the existing unit will be retained The commuter traffic will not impede MUNI transit service or overburden our streets or neighborhood parking The proposed project will not result in commuter traffic impeding
73. ns Simultaneously AV2256 and AV3256 M eT Opti AV2255 1080p 31fps Auto lris Casino Mode Manual or Motorized Lens Options AV2256 1080 30fps P Iris WDR Remote Focus Zoom with Auto lris or P Iris Lens AM PM Models P P AV3255 3MP 21f Auto lri Binni P lris Control to Get Best Depth of Field and Image Clarity PM Models 5 n diis P66 and IK 10 Vandal Resistant Dome exis oe TES E SE Total PoE Solution No External Power Required for Heater and IR LEDs mm True Day Night Functionality with Mechanical IR Cut Filter Aes es rips Aurona Pinning ONVIF and PSIA Conformant Options New User Friendly Webpage AM Remote Focus Remote Zoom Auto iris Day Night Easily Adjustable 3 Axis Gimbal PM Remote Focus Remote Zoom P iris Day Night Dual Encoder H 264 MJPEG DN Manual Lens Day Night Optional Audio IR LEDs and Heater No Heater Required for WDR Models pneu am s Day Nig Casino Mode to Maintain 30105 or Better AV2255 Models o H Heater Non WDR models only Binning Mode for Strong Low Light Performance on 3MP SMP and 10MP A Audio Hesolutions Privacy Mask Motion Detection Flexible Cropping and Forensic Zooming Onvir PSIA 1 818 937 0700 877 CAMERA 8 www arecontvision com avsales arecontvision com MegabDome 2 specifications Camera Imaging Specifications Model AV10255 Image Sensor CMOS 1 3MP 2 07 1080p 2 07 1080p 3MP 3MP 5MP 1
74. nting and is relatively maintenance free long term maintenance costs for the building will also be reduced The new extruded cap will be opaque white to match the existing paint and will have a trapezoidal shape to match the profile of the historic muntin with putty The cap will have a similar visual texture as the existing painted wood Chemical or physical treatments if appropriate will be undertaken using the gentlest means possible Treatments that cause damage to historic materials will not be used The use of a biocide on the end grain of the muntins to stop or prevent rot may be used if deemed necessary to preserve the wood The biocide will preserve the existing and historic wood components PLANNING DEPARTMENT Certificate of Appropriateness Case Number 2014 0690A May 20 2015 Standard 8 Standard 9 Standard 10 Conservatory of Flowers Archeological resources will be protected and preserved in place If such resources must be disturbed mitigation measures will be undertaken This Standard does not apply to the proposed project No archaeological resources will be potentially affected as part of the proposed project New additions exterior alterations or related new construction will not destroy historic materials features and spatial relationships that characterize the property The new work will be differentiated from the old and will be compatible with the historic materials features size scale and propor
75. ocation 3 su TE T South Test Location 2 South Test Location 1 2 Test Locations VN i d tip South Test Location 1 photo taken by ARG on December 23 2014 At South Test Location 1 the first extrusions with silicone putty tests see five blue arrows to left and just silicone putty tests see two orange arrows to right were installed Ultimately the first extrusions with silicone putty tested were rejected because they were too wide and did not match the appearance of the ARG 14124 Conservatory of Flowers May 7 2015 Muntin Treatment Test Mock Ups existing muntins The silicone putty tests required extensive preparation of the wood substrate for good adhesion including priming and painting Obtaining warranty from the manufacturer is problematic due to silicone being applied to wood substrate In sum all these tests were deemed unsuccessful for the reasons just stated South Test Location 2 photo taken by ARG on December 23 2014 saa At South Test Location 2 the second round of extrusions were installed see red arrows that have a narrower profile closely matching the existing muntins in appearance How these two tests differ is in their application in how the sealant has been applied with the extrusion For the best seal and adhesion it was found that applying the sealant outside the extrusion see red arrow to the right was better than applying it to the inside of
76. of the cameras do not appear in the upper window CAUTION If the software does not find a camera the software utility may be blocked by the anti virus or Windows firewall Before turning them off please consult your IT manager NOTE Double click the camera model on the Camera Installer as shown in Image 11 to access the camera web interface See AV 4 Page Arecont Vision MegaDome 2 Installation Manual Camera Web Page User Manual found on the CD for details on the web interface Arecont Vision Bii Tae recon PC EE HE E FE HEN kvis A Attn man E Ila mi HI alal gi c Va plar J LAa 07 00 34 T amp 10 18 1 Installed online mi OI 7 M Ll amp 07T 20 36 44 I0 10 5 14 xwtalled online av203685nH 651T0 3 d l amp 87 DO fDb 2 10 10 0 7 5 1 Led AOS 2 0 07 ET 19 1 0 1 ETT cor dine tal Lae wil da TITAN Lmstalled online LEL 0 55145 Inatallad miis ASST J l amp R 07 DD Ei 4A J LIA DT DUI D SER 10 1 Image 11 25 When all cameras appear select Save Exit The AV100 application will appear 26 From the AV100 Application Manager menu select Run to view live images NOTE See the AV100 Installation Manual found on CD for details on camera configurations 5 Page Arecont Vision MegaDome 2 Installation Manu
77. on fees For questions related to the Fee Schedule please call the PIC at 415 558 6377 Fees will be determined based on the estimated construction costs Time and materials charges will be added if staff costs exceed the initial fee OO CEQA Review The California Environmental Quality Act CEQA and Chapter 31 of the San Francisco Administrative Code implementing that act may require an Environmental Evaluation before the application may be considered Please consult the Planning Department staff to determine if an Environmental Evaluation application must be submitted with this application A separate fee is required for environmental review Historic Preservation Commission Hearing Material This time line includes a deadline for project sponsors to submit material to staff to be included in the Commission packet If the Project Sponsor does not submit the necessary material by the deadline the project will be continued to a later hearing date Three weeks prior to hearing Project Sponsor submits draft project graphics plans renderings etc to project planner Two weeks prior to hearing Project planner submits Draft staff report must include draft attachments to Team Leader for review Ten days prior to hearing 5pm on Monday Deadline for submittal of all sponsor material and public comment to be included in Commission packets One week prior to hearing Project planner delivers complete Commission packet
78. on detection and privacy mask with up to 1024 detection zones A models only Compression G 711 PCM 8 kHz Auto adjustment between WDR and LDR modes WDR models Only Input output Microphone in or line in line output IR Illuminator Programmable shutter speed to help control motion blur IR models only 24 pcs 850nm LEDs 15 meter IR distance max 40 IR angle Pixel Binning Mode 3 5 and 10MP 2 28 W Max On 4 C 32 9 F Off 6 5 C 43 7 F No external power requirement Power Consumption Switch Total PoE Solution Casino Mode maintains 30fps AV2255 model Heater Electrical H models only Flexible Cropping resolution windowing down to 1x1 pixel for JPEG and Non WDR models only 2x2 pixels for H 264 Low light noise filter control Mechanical Casing Die cast aluminum chassis with 4 polycarbonate dome bubble Bit rate and bandwidth limitation control IP66 weather proof standard Vandal resistant IK 10 rated Backlight compensation and multi matrix white balance Gimbal Easily adjustable 3 axis camera gimbal w 360 pan 50 60Hz selectable flicker control 90 tilt and 360 z axis Electronic pan tilt zoom PTZ and image flip 180 Total Unit Unit O 5 5 140mm x 4 9 H 125mm Programmable resolution brightness saturation gamma sharpness tint Dimensions Packaged OD ES E SDE S TS Weight Unit 2 25 Ibs 1 02kg i Compliance Industry Standard ONVIF and PSIA Conformant ACHE E NEE Listings UL CB da
79. orization from the owner must be attached INSTRUCTIONS Gather the information needed and fill out the attached application which includes a project description necessary contact information and two sets of findings that must be answered The first set of findings is for compliance with preservation standards The second set of findings are the General Plan Priority Policy Findings which determine San Francisco General Plan consistency Please answer all questions fully If you need assistance contact the Planning Information Center 1660 Mission Street 1st Floor Telephone No 415 558 6377 open Monday through Friday Contact the Department to schedule an Application Intake at 415 558 6378 At your scheduled appointment with a Preservation Planner please bring the application and related materials Note that all plans and materials submitted with this application will be retained as a part of the permanent public record for the case SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 Please provide the following materials with this application Authorization If the applicant in this case is the authorized agent of the property owner rather than the owner a letter signed by the owner and creating or acknowledging that agency must be attached and is included in the application for a Certificate of Appropriateness Drawings The application must be accompanied by plans sufficient for proper determination of the case
80. orning Corporation XIAMETER is a registered trademark of Dow Corning Corporation 2009 Dow Corning Corporation All rights reserved HEALTH AND DOW CORNING DISCLAIMS ENVIRONMENTAL LIABILITY FOR ANY INFORMATION INCIDENTAL OR CONSEQUENTIAL DAMAGES To support Customers in their product safety needs Dow Corning has an extensive Product Stewardship organization and a team of Product Safety and Regulatory Compliance PS amp RC specialists available in each area We help you invent the future dowcorning com For further information please see our website dowcorning com or consult your local Dow Corning representative LIMITED WARRANTY INFORMATION PLEASE READ CAREFULLY The information contained herein is offered in good faith and is believed to be accurate However because conditions and methods of use of our products are beyond our control this information should not be used in substitution for customer s tests to ensure that our products are safe effective and fully satisfactory for the intended end use Suggestions of use shall not be taken as inducements to infringe any patent Dow Corning s sole warranty 1s that our products will meet the sales specifications in effect at the time of shipment Your exclusive remedy for breach of such warranty is limited to refund of purchase price or replacement of any product shown to be other than as warranted DOW CORNING SPECIFICALLY DISCLAIMS ANY
81. ot harmful to substrates and adjacent nonporous materials and which do not leave oily residues or otherwise have a detrimental effect on sealant adhesion or in service performance Joint Primer and Sealer If required by manufacturer provide non staining sealants recommended by the manufacturer of the sealant for the specific joint surface and condition Bond Breaker Tape If required polyethylene tape as recommended by sealant manufacturer for preventing sealant from adhering to rigid inflexible joint filler materials or joint surfaces at back of joint where such adhesion would result in sealant failure Provide self adhesive tape where applicable Masking Tape Provide non staining nonabsorbent type compatible with joint sealants and to surfaces adjacent to joints PART 3 EXECUTION 3 1 PRE INSTALLATION MEETING A As specified in Quality Assurance Section of this Specification 1 Examine sample installations that have been prepared and determine and record whether everyone present is in agreement that the proposed installations will perform as required 3 2 CONDITION OF SURFACES A Examine the substrates adjoining construction and the conditions under which the Work is to be installed Submit certification in writing that substrate is acceptable or if not state specific remedial work required Do not proceed with the Work until unsatisfactory conditions have been corrected 3 3 PREPARATION A ARG 14124
82. project site e For individual landmarks notice must be mailed to all owners and occupants of the property and within 150 feet from the property Interested parties and neighborhood groups must also receive notice SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 e For properties located within historic districts notice must be mailed to all owners within 300 feet of the property and occupants within 150 feet of the property The radius includes properties that are located outside of the designated historic district if applicable Interested parties and neighborhood groups must also receive notice At the public hearing the Historic Preservation Commission will make a decision on the proposed project and approve disapprove or approve with modifications the Certificate of Appropriateness After the hearing the Department issues the Certificate of Appropriateness document Department staff will review the associated building permit to make sure that the work conforms to what the Historic Preservation Commission approved If the proposed work conforms the permit will be approved and routed to the Department of Building Inspection for final issuance WHO MAY APPLY FOR A CERTIFICATE OF APPROPRIATENESS A Certificate of Appropriateness is an entitlement that runs with the property therefore the property owner or a party designated as the owner s agent may apply for a Certificate of Appropriateness A letter of agent auth
83. r details in live or recorded video These indoor outdoor all in one solutions integrate a 1 3 1080p 3 5 or 10 megapixel MP camera with the fastest frame rates in the industry and an IR corrected motorized vari focal lens auto iris P iris with WDR into an IP66 environmental rated impact resistant dome housing Remote focus and remote zoom make MegaDome 2 the easiest to install cameras in our product line MegaDome 2 are also available Remote Focus Zoom Remote Focus Zoom in manual lens models with IR Illuminator Manual Lens 5 A 0 10 P A I 4 80 Integrated Motorized Lens P Iris Control for All in One Dome True Day Night Vandal and Weather Proof Audio Input Output Dual Mode 1080p 10MP with Remote Focus and Zoom Best Depth of Field and Solution with IR Cut Filter IK 10 and IP66 Rated A Models on 10MP Models AM PM Models Image Clarity PM Models e e Qu fo E n e e ri 6 e e X Pixel Binning Mode IR LEDs Wide Dynamic Range Heater Option Casino Mode Dual Encoder on 3 5 and 10MP Models IR Models Available on AV2256 and on Non WDR Models Maintains at Least 30fps H 264 MJPEG AV3256 Models on AV2255 Models Features Model Specific Features All in One H 264 Dome Solution Model Resolution Frame Rate Features Optional True WDR up to 10008 at Full Resolution See Clearly in Shaded AV1255 1 3MP 42fps Autos and Bright Light Conditio
84. r m FCC Compliance 47 CFR 15 Class A Environmental RoHS REACH WEEE I UK CE EN55022 Class A EN55024 Of 9 EN61000 3 2 EN61000 3 3 EN60950 1 Mechanical IK 10 EN62262 IP66 EN60529 40 C 40 F to 50 C 122 F w Heater 20 C 4 F to 50 C 122 F w o Heater 0 to 90 non condensing Environmental Operating temperature Humidity 1 O 140mm 8 5 5 Stable image temperature 0 C 82 F to 50 C 122 F Storage temperature 40 C 40 F to 60 C 140 F Accessory SMIB Ube NOMENA EDIE SV EBA Electrical Box Adapter MD PMA Pole Mount Adapter i Alarm Input Output General purpose opto coupled Electrical woul R p MD CRMA Corner Mount Adapter Power Over Ethernet PoE 802 3af Class 2 MD WMT2 Wall Mount Fit 1 5 NPT Auxiliary Power 12 48V DC 24V AC MD CMT Ceiling Mount Fit 1 5 NPT MD FMA Flush Mount Adapter Made in the USA MD CAP Wall Mount Cap Only w 1 5 NPT Revised 8 14 13 02013 Arecont Vision Specification sheets subject to change without notice 1 818 937 0700 877 CAMERA 8 www arecontvision com avsales arecontvision com Appendix 12 MegaDome wall mount and cap product information MID WMT2 MD CAP Nm Arecont Vision megapixel technology beyond imagination indoor Outdoor wall mount and 1 5 NPT mount Cap for MegaLome Series MD WMT2 Wall Mount with Cap 1 5 NPT Mount Cap Only MD CAP The MD WMT2 MD CAP is a high qual ity wall mount and
85. relative humidity Manufacturer s of sealant s shall submit written recommendations when installations involve adverse temperature or humidity conditions 2 Submit not less than 3 pieces of each type of material including joint substrates shims joint sealant backings secondary seals and miscellaneous materials 3 Schedule sufficient time for testing and analysis of results to prevent delay in the progress of the Work 4 Investigate materials failing compatibility or adhesion tests and obtain sealant manufacturer s written recommendations for corrective measures including use of specially formulated primers 5 Testing will not be required when sealant manufacturer is able to submit joint preparation data required above which is acceptable to Architect and is based on previous testing of current sealant products for adhesion to and compatibility with joint substrates and other materials matching those submitted Pre construction Stain Resistance Testing of Silicone Sealants Prior to testing of mock ups submit samples of all materials that will contact or affect silicone sealants to sealant manufacturers in sizes as required for stain testing as indicated below 1 Use test methods standard with manufacturer to determine resistance to staining Submit quantities of each type of contiguous joint substrate material in sizes as required by the sealant manufacturer for testing 2 Schedule sufficient time for testing and analysis
86. rmit or building permit for the Project has not been secured by Project Sponsor THIS IS NOT A PERMIT TO COMMENCE ANY WORK OR CHANGE OF OCCUPANCY UNLESS NO BUILDING PERMIT IS REQUIRED PERMITS FROM THE DEPARTMENT OF BUILDING INSPECTION and any other appropriate agencies MUST BE SECURED BEFORE WORK IS STARTED OR OCCUPANCY IS CHANGED I hereby certify that the Historical Preservation Commission ADOPTED the foregoing Motion on May 20 2015 Jonas P Ionin Acting Commission Secretary AYES NAYS ABSENT ADOPTED SAN FRANCISCO 7 PLANNING DEPARTMENT Parcel Map 1 T AT 1 ATT itemm T GOLDEN GATE PARK 1 1 aa 0 P eT mew e PANHANDLE z 3 o x um m d O gt O SUBJECT PROPERTY Certificate of Appropriateness Case Number 2014 0690A Conservatory of Flowers Danae Golden Gate Park Sanborn Map aTr SEN FRAN CSCO CAL WOLS 936 JULY 1959 7355 GOLDEN GATE PARK s ee o n OLDEN GATE PARK CONSERVATORY BUD FAS GETES pM WORD Fae GER Coit TE SPAS egre Pd Pd LL LOCATED WEAR ARGUELLA BLVD amp FULTON ST The Sanborn Maps in Geer evel rot been updated sinof 0 and his map may not accurately reflect existing Tal 37 SUBJECT PROPERTY Certificate of Appropriateness Q Case Number 2014 0690A Conservatory of Flowers PLANNING DEPARTMENT Golden Gate Park Aerial Photo T 9
87. rough the Junction Box Adapter and Wall Mount Image 19 7 For installation of the camera please 1 Remove junction box adapter and hardware reference Mounting the Camera from the box 8 P age Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separately Pendant Mount MD CMT Installation Instructions Inside the box A Top shield B Pendant Mount C Mounting template D Pack of four 4 small machine screws E Packoffour 4 machine screws F Pack of four 4 wood screws and four 4 dry wall anchors G One double sided hex key H Small square rubber gasket l Large round rubber gasket Not included but needed J 2 Phillips head screwdriver tay Image 21 1 Remove Pendant Mount and hardware from the box Image 22 Image 23 Using the mounting template prepare the mounting surface for camera installation Place small gasket onto pendant mount shown in image 22 Attach the top shield to the pendant as shown in Image 23 using four machine screws E provided Install the large round rubber gasket onto the pendant as shown in image 23 Be sure to align the holes appropriately Run the Ethernet cable and outside power cable if necessary through the Pendant Attach the pendant to the ceiling using the four wood screws provided or any optional hardware suitable for the mounting surface For installation
88. rranty shall be twenty 10 years and warranty shall be signed by the Installer Manufacturer and Contractor Comply with these Specifications for repair or replacement of work PART 2 PRODUCTS 2 1 MATERIALS A CAULKING amp SEALANTS General Provide sealants joint fillers and other related materials that are compatible with one another and with joint substrates under conditions of service and application as demonstrated by sealant manufacturer based on testing and field experience Use non sag sealants for all other areas except as shown or specified Elastomeric Joint Sealants 1 Adhesive and Finish Bead Sealant Exterior One Part Silicone Rubber Sealant One component elastomeric sealant FS TT S 001543 Class A Type non sag a Dow Corning 795 Silicone Building Sealant b Sonneborn Sonolastic 150 Tint Base C GE SilPruf SCS2000 Sealant 2 Custom extrusion pieces for weather strip gasket a Dow Corning 123 Silicone Seal tape or Approved Equal 3 Sealant Color Custom color to match window frame a Submit samples for Architect s approval prior to installation 4 Interior Joint Sealant Painter s Caulk shall be compatible with Exterior Sealant 07900 3 CONSERVATORY OF FLOWERS PUTTY REPLACEMENT 2 2 MISCELLANEOUS MATERIALS A Joint Cleaner Provide non staining chemical cleaners of type which are recommended by and acceptable to manufacturers of sealants and sealant backing materials which are n
89. ry building or site The camera installation is therefore compliant with this Standard 3 Each property will be recognized as a physical record of its time place and use Changes that create a false sense of historical development such as adding conjectural features or elements from other historic properties will not be undertaken The proposed project does not propose changes that create a false sense of historical development No conjectural features or elements from other historic properties will be added to the building or site as part of the proposed work As such the project is compliant with this Standard 4 Changes to a property that have acquired historic significance in their own right will be retained and preserved This Standard does not apply to the proposed project No aspects of the building or site involved in the proposed project have gained significance over time 5 Distinctive materials features finishes and construction techniques or examples of fine craftsmanship that characterize a property will be preserved See discussion under Standard 2 above The glazing putty itself is not a distinctive material but the wood muntins are distinctive visual features of the roof The proposed project retains and preserves the muntins in place and is compliant with this Standard The security cameras will be installed on support buildings and structures surrounding the main conservatory building but will not attach to prin
90. s to the Commission Secretary SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 To file your Certificate of Appropriateness application please call 415 558 6378 in advance to schedule an intake appointment At your scheduled appointment with a staff planner please bring your completed application with all required materials What Applicants Should Know About the Public Hearing Process and Community Outreach A The Historic Preservation Commission encourages 5 In public hearings on Draft Environmental applicants to meet with all community groups and parties interested in their application early in the entitlement process Department staff is available to assist in determining how to contact interested eroups Neighborhood organization lists area available on the Department s website Notice of the hearing will be sent to groups in or near the neighborhood of the project The applicant may be contacted by the Planning Department staff with requests for additional information or clarification An applicant s cooperation will facilitate the timely review of the application The Historic Preservation Commission requests that applicants familiarize themselves with the procedure for public hearings which are excerpted from the Historic Preservation Commission s Rules and Regulations below Hearings A public hearing may be held on any matter before the Commission at either a Regular or a Special Meeting The procedure for suc
91. storic and cultural value to the City are subject to the review and entitlement processes outlined in Article 10 of the Planning Code The Historic Preservation Commission oversees and regulates these properties A Certificate of Appropriateness is the entitlement required to alter an individual landmark and any property within a landmark district A Certificate of Appropriateness is required for any construction addition major alteration relocation removal or demolition of a structure object or feature on a designated landmark property in a landmark district or a designated landmark interior Depending on the scope of a project some require a hearing before the Historic Preservation Commission For those that don t they re called Administrative Certificates of Appropriateness and are approved by Planning Department Preservation staff HOW DOES THE CERTIFICATE OF APPROPRIATENESS PROCESS WORK File the Certificate of Appropriateness application with the Department Instructions about this process is below The application will be assigned to a Preservation Planner who will review the materials for completeness When the Preservation Planner determines that the application is complete the project will be scheduled for a hearing at the Historic Preservation Commission All Certificates of Appropriateness require public notification prior to the scheduled hearing Projects must have a 20 day mailed notice and poster erected on the
92. such transcript be provided for the Commission s permanent records Opportunities for Appeals by Other Bodies Historic Preservation Commission actions on Certificates of Appropriateness are final unless appealed to the Board of Appeals or to the Board of Supervisors when applicable within 30 days of Commission action Cn Notification Instructions 1 Radius Map The required notification map must show all properties within the 150 foot or 300 feet whichever is applicable see page 1 2 for specifics of the EXTERIOR boundaries of the property a 150 foot or 300 foot radius map drawn to a scale of 1 inch to 50 feet either the original on TRACING paper or a blueprint copy no photocopy accepted is required for submittal with Certificate of Appropriateness applications Labels Submit two lists of the names and addresses including the block and lot for each one of all owners of the properties within 150 feet or 300 feet of the subject property and self adhering labels with the same data The latest Citywide tax roll is available at the Office of the Treasurer and Tax Collector City Hall Room 140 1 Dr Carlton B Goodlett P1 San Francisco CA 94102 for the preparation of this list The labels will be used to mail notice of the time and place of the public hearing required EXAMPLE OF MAILING LABEL Block Lot 9331 07 Name JOHN DOE Address 123 South Street 2 San Francisco CA 94100 If
93. t on the glass lites and tooled The test panels installed on site included silicone used as a putty substitute and a white colored extrusion The Tremco Company agreed to supply the first sample of silicone extrusion to be tested The use of silicone as a putty substitute was found to be problematic Although the putty adhered well to the glass in some cases it did not adhere to the wood rabbit of the muntin The adhesion of the silicone appeared to be affected by the moisture content of the wood and also the condition of the primer coating Areas with moisture or poorly adhered primer failed ARG Project 14117 Conservatory of Flowers Putty Repair January 20 2015 PARAMETERS OF MUNTIN CAP TEST The first extrusions installed performed well for adhesion as the extrusions were set in sealant on the glass lites and not dependent on the condition of the wood However the profile of the first extrusion sample was wider than that of the muntin and was rejected for that reason A second extrusion was supplied by Dow Corning The profile of this extrusion was a very close match to the muntin From a distance of 10 feet the test extrusion was virtually indistinguishable from the adjacent wood muntins There was a concern that the application of the extrusion could affect the moisture content of the wood muntin A testing program was developed to record the moisture content of muntins with and without the extrusions The moisture content of selected
94. tach the trim ring to the flush mount adapter by rotating clockwise as show in Image 28 Not included but needed e 2 Phillips head screwdriver Image 26 1 Remove the flush mount adapter trim ring and hardware from the box 2 Attach the dome to the flush mount adapter as shown in Image 27 Please reference Mounting the Camera if needed 3 Using the mounting template cut a hole in surface for mounting Image 28 4 Insert the flush mount adapter into the hole 11 P age Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separately Electrical Box Adapter SV EBA Installation Instructions Caution 3 Attach electrical box adapter to electrical box SV EBA fits with MD WMT 2 but not fit with MegaDome 2 and MD CMT Ei Inside the box Accessory Sold Separately 9 3 A Electrical Box Adapter B Packoffour 4 machine screws 7 e Cl O SV WMT2 Bracket holes Image 30 2 Double gang box Image 29 Not included but needed e 2 Phillips head screwdriver e Common electrical box such as single gang box double gang box or square electrical boxes shown in Image 30 1 4 1 Remove the electrical box adapter and hardware from the box 2 Attach the wall mount bracket SV WMT2 to the electrical box adapter Image 30 4 Square box 12 P age Arecont Vision MegaDome 2 Installation Manual MegaDome 2 Accessory Sold Separa
95. tallation of elastomeric sealants under extreme temperature conditions which would cause joint openings to be at either maximum or minimum width or when such extreme temperatures or heavy wind loads are forecast during the period required for initial or nominal cure of elastomeric sealants Whenever possible schedule the installation and cure of elastomeric sealants during periods of mean temperatures nominal joint width shown so that subsequent stresses upon the cured sealants will be minimized 18 WARRANTIES A Warranty Silicone Sealants Submit a written warranty agreeing to repair or replace silicone sealants which have failed to provide airtight and watertight joints for any reason or which appear to have failed in adhesion cohesion abrasion resistance migration resistance stain resistance general durability or any other form of apparent deterioration excluding inherent qualities and limitations clearly specified in the manufacturer s data which was submitted Period of warranty shall be twenty 10 years and warranty shall be signed by the Manufacturer the Installer and the Contractor Comply with these Specifications for repair or replacement of work Warranty Stain Resistance of Silicone Sealants Submit a written warranty agreeing to repair or replace sealants which have stained contiguous materials excluding inherent qualities and limitations clearly specified in the manufacturer s data which was submitted Period of wa
96. tandards for Rehabilitation Standard 1 A property shall be used for its historic purpose or be placed in a new use that requires minimal change to the defining characteristics of the building and its site and environment Standard 2 The historic character of a property shall be retained and preserved The removal of historic materials or alteration of features and spaces that characterize a property shall be avoided Standard 3 Each property will be recognized as a physical record of its time place and use Changes that create a false sense of historical development such as adding conjectural features or architectural elements from other buildings shall not be undertaken Standard 4 Changes to a property that have acquired historic significance in their own right will be retained and preserved Standard 5 Distinctive features finishes and construction techniques or examples of craftsmanship that characterize a property shall be preserved Standard 6 Deteriorated historic features will be repaired rather than replaced Where the severity of deterioration requires replacement of a distinctive feature the new feature will match the old in design color texture and where possible materials Replacement of missing features will be substantiated by documentary and physical evidence Standard 7 Chemical or physical treatments if appropriate will be undertaken using the gentlest means possible Treatments that cause damage to histori
97. tch the existing painted wood and will have a similar visual texture and finish as that of the existing The size will be only slightly larger than the existing muntin so it can cover and protect this original feature in place See Appendices 1 8 for details and product information related to the silicone cap installation Security Camera Installation The San Francisco Recreation and Park Department proposes to install up to a total of nine security cameras at and around the Conservatory of Flowers building to prevent damage to the facility The cameras will be placed at the following locations A muntin is defined by Oxford Dictionaries as a bar or rigid supporting strip between adjacent panes of glass http www oxforddictionaries com us definition american_english muntin accessed February 2015 16 e Cameras 1 4 will be installed at the gable ends of the two kiosks in front of the Conservatory of Flowers e Cameras 5 8 will be installed on the facades of support buildings and sheds that surround the north rear side of the Conservatory of Flowers e Camera 9 will be installed on an existing metal fence behind the Conservatory of Flowers Installation will require a small hole through the attachment surface for a conduit and wire that will be concealed by and provide power to the camera Cameras 1 8 will be secured to wood surfaces with four small fasteners and plastic wedge anchors Camera 9 will be mounted to a fencepost
98. te a false sense of historical development The project does not include alterations to features that have acquired significance over time or have the potential to affect any archeological resources The project retains and preserves distinctive materials and features thereby maintaining the historic character of the property The proposed biocide treatment for the wood muntins will not cause damage to the existing materials and will preserve the existing wood material The new extruded silicone cap will be formed in a trapezoidal configuration of similar size shape and color to the existing wood muntin and will not destroy historic materials SAN FRANCISCO 2 PLANNING DEPAHTMENT Motion No CASE NO 2014 0690A Hearing Date May 20 2015 Conservatory of Flowers SAN FRANCISCO features or spatial relationships that characterize the property The silicone cap will be secured to the glass on both sides of the wood and not to the wood itself with silicone sealant and can be removed in the future without damage to the existing wood component therefore the essential form and integrity of the property will be unimpaired Camera installation requires minimal attachments and all cameras may be removed in the future without damage to the integrity of the historic property The proposed project meets the requirements of Article 10 of the Planning Code The proposed project meets the following Secretary of the Interior s S
99. tection Grade Compatible Cameras e MegaDome Series MD WMT2 Kor Arecont Vision megapixel technology beyond imagination Specification sheets subject to change without notice Revised 1 6 2012 2011 Arecont Vision 2 2 22 88 2 2 2 2 2 9 2185 OO 81 02 90 20 E 0 EEG AAO NV RW Appendix 13 MegaDome 2 Installation Manual 9 Vision Leading the Way in Megapixel Video Installation Manual AM Arecont Vision MegaDome 2 Manual H 264 All in One Vari Focal Lens Day Night Indoor Outdoor Dome IP Cameras Arecont Vision MegaDome 2 Installation Manual DN Models Only MegaDome 2 Installation Manual DN Models Only Inside the box Mounting the Camera A Arecont Vision MegaDome 2 camera DN 1 Remove the camera and hardware from the Models only box B Mounting template C CD with AV100 software and user 2 Using the mounting template prepare the manuals License Key Required for mounting surface for camera installation Recording NOTE the 19 5mm diameter hole on the D AC amp DC power cable Mounting template is where the Ethernet E I O cable cable will be exiting the MegaDome 2 align F Pack of four 4 wood screws and four 4 accordingly If using the side conduit hole dry wall anchors please see step 4 following G Security L Key H One double sided hex key 3 Using Security L key loosen the four 4 One single sided h
100. ted parties during the public hearing on the Project MOVED that the Commission hereby grants the Certificate of Appropriateness in conformance with the architectural plans labeled Exhibit A on file in the docket for Case No 2014 0690A based on the following conditions of approval and findings CONDITIONS OF APPROVAL e The project sponsor shall provide a condition assessment report to the Planning Department regarding the silicone muntin caps 5 years from the date of installation e The project sponsor shall provide specifications and a maintenance schedule for future roof cleaning and white washing to the Planning Department prior to issuance of the building permit e The Project Sponsor shall test the proposed biocide treatment in an unobtrusive area of the roof prior to widespread application to determine whether or not the product changes the visual appearance of the muntin FINDINGS Having reviewed all the materials identified in the recitals above and having heard oral testimony and arguments this Commission finds concludes and determines as follows 1 The above recitals are accurate and also constitute findings of the Commission 2 Findings pursuant to Article 10 The Historical Preservation Commission has determined that the proposed work is compatible with the character of the landmark as described in the designation report The project maintains the historic use of the property and does not propose changes that crea
101. tely Pole Mount Adapter MD PMA Installation Instructions Inside the box 4 Run the Ethernet cable and outside power cable if necessary through the compression A Pole mount adapter fittings and MegaDome wall mount MD B 2xcompression fittings WMT2 C 2xsmall steel straps D 2xlarge steel straps 5 Use the supplied two steel straps to attach the E Packoffour 4 machine screws Pole Mount Adapter to the pole and tighten the compression screws as shown in Image Not included but needed 33 e 2 Phillips head screwdriver 6 Attach the dome to wall mount adapter o MegaDome wall mount MD WMT2 Please reference Mounting the Camera if needed 7 Tighten the compression fittings to seal the wiring holes Image 31 Image 32 MD WMT2 Remove the pole mount adapter compression fittings steel straps and hardware from the box Compression Screws Install the compression fittings to pole mount adapter as shown in Image 32 Attach MegaDome wall mount MD WMT to pole mount adapter as shown in Image 33 Image 33 13 Page
102. test possible preparedness to protect against injury and loss of life in an earthquake The Conservatory of Flowers has already been seismically strengthened this policy does not apply to the proposed project 7 That landmarks and historic buildings be preserved and The proposed project is in conformance with Article 10 of the Planning Code and the Secretary of the m Interior s Standards see discussion under the Findings of Compliance with General Preservation Standards 8 That our parks and open space and their access to sunlight and vistas be protected from development The proposed project will not impact access to sunlight or vistas forthe parks open space SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 Estimated Construction Costs TYPE OF APPLICATION Security Maintenance Certificate of Appropriateness OCCUPANCY CLASSIFICATION A3 BUILDING TYPE V B 2 TOTAL GROSS SQUARE FEET OF CONSTRUCTION 0 BY PROPOSED USES 11380 A ESTIMATED CONSTRUCTION COST 1 000 000 00 muntin cap 35 000 security cameras ESTIMATE PREPARED BY ARG Conservation Services muntin cap MicroBiz Security Consultants amp SF RPD security cameras Applicant s Affidavit Under penalty of perjury the following declarations are made a The undersigned is the owner or authorized agent of the owner of this property b The information presented is true and correct to the best of my knowledge c Other in
103. the Planning Department prior to issuance of the building permit e The Project Sponsor shall test the proposed biocide treatment in an unobtrusive area of the roof prior to widespread application to determine whether or not the product changes the visual appearance of the muntin ATTACHMENTS Draft Motion Parcel Map 1998 Sanborn Map Aerial Photograph Certificate of Appropriateness Application with Appendices 1 13 SC GADOCUMENTS Cases COFA Case Reports Conservatory of Flowers Case Report doc SAN FRANCISCO 7 PLANNING DEPARTMENT SAN FRANCISCO PLANNING DEPARTMENT Historic Preservation Commission Motion No HEARING DATE MAY 20 2015 Filing Date May 7 2014 Case No 2014 0690A Project Address Conservatory of Flowers Golden Gate Park Historic Landmark No 50 Conservatory of Flowers Zoning P Public OS Open Space Height and Bulk District Block Lot 1700 001 Applicant Matt Jasmin Recreation and Parks Department 30 Van Ness Avenue 5 Floor San Francisco CA 94102 Staff Contact Shelley Caltagirone 415 558 6625 shelley caltagirone sfgov org Reviewed By Tim Frye 415 575 6822 tim frye sfgov org ADOPTING FINDINGS FOR A CERTIFICATE OF APPROPRIATENESS FOR PROPOSED WORK DETERMINED TO BE APPROPRIATE FOR AND CONSISTENT WITH THE PURPOSES OF ARTICLE 10 TO MEET THE STANDARDS OF ARTICLE 10 AND TO MEET THE SECRETARY OF INTERIOR S STANDARDS FOR REHABILITATION FOR THE PROPERTY LOCATED ON LOT 001 IN ASSE
104. the historic materials features size scale and proportion and massing to protect the integrity of the property and its environment 10 New additions and adjacent or related new construction will be undertaken in such a manner that if removed in the future the essential form and integrity of the historic property and its environment would not be impaired PLEASE NOTE For all applications pertaining to buildings located within Historic Districts the proposed work must comply with all applicable standards and guidelines set forth in the corresponding Appendix which describes the District in addition to the applicable standards and requirements set forth in Section 1006 6 In the event of any conflict between the standards of Section 1006 6 and the standards contained within the Appendix which describes the District the more protective shall prevail lt 11 SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 Priority General Plan Policies Findings Proposition M was adopted by the voters on November 4 1986 It requires that the City shall find that proposed projects and demolitions are consistent with eight priority policies set forth in Section 101 1 of the City Planning Code These eight policies are listed below Please state how the project is consistent or inconsistent with each policy Each statement should refer to specific circumstances or conditions applicable to the property Each policy must have a response IF A GIVEN POLICY DOES NOT
105. tical wood muntins on the Conservatory of Flowers roof and installation of an extruded silicone cap over the muntin The project maintains the historic use of the property and does not propose changes that create a false sense of historical development It does not include alterations to features that have acquired significance over time or have the potential to affect any archeological resources The proposed work retains and preserves distinctive materials and features thereby maintaining the historic character of the property A biocide may be used on the end grain of the muntins to stop or prevent rot This treatment will not cause damage to the existing materials and will preserve the existing wood material The new extruded silicone cap will be formed in a trapezoidal configuration of similar size shape and color to the existing wood muntin and will not destroy historic materials features or spatial relationships that characterize the property Because the cap will be secured to the glass on both sides of the wood and not to the wood itself with silicone sealant it can be removed in the future without damage to the existing wood component therefore the essential form and integrity of the property will be unimpaired Security Cameras Security cameras will be mounted to an existing metal fence on the east side of the building and on support building facades which surround the main Conservatory building The building use historic charact
106. time place and date of meeting CAULKING amp SEALANTS F Testing Contractor shall select at random 2 sealant joints for adhesion testing Contractor shall submit digital photographs and results of adhesion test to Architect for review SUBMITTALS A B Submit product data and samples under provisions of Section 01300 Submittals Product Data Submit the following information from the manufacturer 1 Certification in the form of standard data sheet or letter that each type of sealant and sealant to be furnished complies with these Specifications Silicone sealant manufacturer s test data on adhesion to samples of finished metal panels and surfaces 2 Statement that each product to be furnished is recommended for the application shown 3 Complete instructions for handling storage mixing priming installation curing and protection of each type of sealant 4 Compatibility statement from silicone sealant manufacturer that materials in contact with sealant such as finished metals glass gaskets spacers backer rods setting blocks are compatible with sealant after 21 days exposure to ultra violet 2000 4000 micro watt U V radiation Compatibility shall include staining and adhesion 5 Submit sealant manufacturer s written test reports and recommendations regarding cleaning and priming Samples Submit samples of specified products 12 in long and installed between samples of the materials to be seale
107. tion and massing to protect the integrity of the property and its environment The proposed work will not destroy historic materials or features that characterize the property The new silicone cap will be formed in a trapezoidal configuration of similar size shape color and texture to the existing wood component This treatment will be applied uniformly to all muntins and therefore differentiation of new and old will not be immediately apparent however upon close inspection a preservation professional will be able to easily identify the intervention The wood component will remain intact underneath the cap and the integrity of the overall property will be protected The proposed security camera housing 1s light in color and the cameras are small in size for minimal visibility They will also be installed in discrete locations The cameras will not destroy historic materials features and spatial relationships that characterize the property The only historic structure that will be affected is the Orchid House where the installation will only create a small hole in the upper unadorned trim surrounding the door The cameras are modern in design and will not read as part of the historic resource New additions and adjacent or related new construction will be undertaken in such a manner that if removed in the future the essential form and integrity of the historic property and its environment would be unimpaired No new additions or adjacent
108. to be used due to more frequent repairs Becomes brittle shrinks and cracks within 3 years field observation Shelf life is one year Putty and wood must be monitored for repairs Repair areas require preparation of substrate before new putty can be applied Areas in need of new putty must be prepped old putty removed and wood stripped sanded primed etc Preparation for new putty installation could damage wood due to tightly adhered putty Medium flexibility for typical weather conditions Putty becomes brittle Available in white natural and gray Must be painted with latex or oil based paint that is compatible with sealant within 4 weeks time Medium flexibility for typical weather conditions Cracked material allows moisture penetration The silicone sealant dries within 1 minute after being gunned out The silicone cap does not require top coat primer and additional protective paint coatings All temperature gunnability easy tooling low odor cure byproduct and ready to use as supplied Surface temperature cannot exceed 50 C 122 F Silicone sealant is only applied to glass and not wood Sealant can easily be removed with sharp blade and reset with new sealant with no impact on wood Saves cost in long run because requires fewer repairs It has a 10 20 year service life A 10 year project specific warranty is available if adhesion testing is done in the field however
109. ton New York upon order of James Lick and was shipped in crates to California The building was partly destroyed by fire in 1883 but was rebuilt the following year Please see the attached Landmark Designation Report for a full architectural description It is zoned P Public District and is in an OS Open Space Height and Bulk District PROJECT DESCRIPTION The San Francisco Recreation and Parks Department RPD proposes to address deteriorating glazing putty at the Conservatory of Flowers roof by installing a silicone cap over the existing wood muntins RPD also proposes to increase security at the site by installing security cameras at 9 locations Muntin Caps The proposed project involves removal of existing loose and deteriorated glazing putty at all vertical wood muntins on the Conservatory of Flowers roof main building including central dome entry vestibule and wings and installation of a new silicone system Sound putty that is well adhered will www sfplanning org 1650 Mission St suite 400 San Francisco CA 94103 2479 Heception 415 558 6378 Fax 415 558 6409 Planning Information 415 558 6377 Certificate of Appropriateness Case Number 2014 0690A May 20 2015 Conservatory of Flowers remain in place as removal efforts could harm the historic muntins As a substitute for the glazing putty an extruded silicone cap of similar size shape and color to the existing wood muntin will be applied over the existing
110. toric structure e Camera 9 will be installed on the non historic metal fence behind the Conservatory of Flowers Installation will require a small hole through the attachment surface for a conduit and wire that will be concealed by and provide power to the camera Cameras 1 8 will be secured to wood surfaces with four small fasteners and plastic wedge anchors Camera 9 will be mounted to a fencepost at the east entry gate with the Mega Dome Pole Mount Adaptor as shown on Page 69 of this application The camera finish is powder coated aluminum The standard color is white which is the same color as the surface that the camera will be attached to for all locations except for 5 and 9 Locations 5 and 9 are located at the rear service yard and the neutral white color is proposed in these areas as well See Appendices 10 13 for proposed security camera locations and for product information on the security cameras and attachments OTHER ACTIONS REQUIRED The Conservatory of Flowers property is subject to pending CEQA Certificate of Appropriateness General Plan Referral Conditional Use Authorization and Civic Design reviews to legalize construction of the Orchid Gallery an event pavilion which occurred in 2012 Review of the current application to address the failing putty in the conservatory roof structure and ongoing security issues is necessary to ensure proper maintenance and protection of the site COMPLIANCE WITH THE PLANNING CODE PROVISIO
111. utty for a longer amount of time than in a traditional installation Further the building is subjected to chloride laden fog which may have also contributed to the failure of the putty Failure of the glazing putty allows for water intrusion and subsequent damage to the muntins Further the loss of adhesion of the putty presents a safety hazard since individual lites may become loose and fall The proposed solution will extend the service life of the muntins by 20 to 30 years with minimal visual impact to the Conservatory Since the new silicone system will require little to no painting and is relatively maintenance free long term maintenance costs for the building will also be reduced As a substitute for the glazing putty an extruded silicone cap of similar size shape and color to the existing wood muntin will be applied over the existing wood component and secured to the glass on both sides of the wood with silicone sealant Prior to installation of the silicone caps a biocide may be used on the end grain of the muntins to stop or prevent rot and preserve the wood Formed ina trapezoidal configuration the extruded silicone cap will fully cover the existing muntins and can be removed in the future without damage to these original building features The width of the extrusion will match the profile of the historic muntin with glazing putty and it will be consistent in width along the entire run of each muntin The extruded cap will be white to ma
112. vatory of Flowers Putty Repair February 10 2015 ARG EXAMPLE BUILDINGS 4 Ghiradelli Square 900 North Point Street San Francisco CA 94109 silicone extrusion used in roof flashing No images available 5 Flood Building 870 Market Street San Francisco CA 94102 silicone extrusion used in roof flashing No images available Appendix 6 Muntin cap installation specifications Note See associated product information in Appendices 7 and 8 CONSERVATORY OF FLOWERS PUTTY REPLACEMENT SECTION 07900 CAULKING AND SEALANTS PART 1 GENERAL 1 3 1 1 SUMMARY A Work of this Section includes labor materials equipment and services necessary to complete the work as described on the drawings as specified in this Section and as may be required by conditions and regulatory agencies including but not limited to the following 1 Caulking at window frame perimeters designated as accessory work of window rehabilitation 1 2 QUALITY ASSURANCE A ARG 14124 Applicator The sealant work shall be performed by a firm having 5 years experience in the installation of specified materials on projects of comparable scale scope and nature to this Project The firm shall have the approval of the sealant materials manufacturer Employ qualified tradespersons having minimum two 2 years experience with sealant applications on buildings of similar scope and nature Manufacturer s Representative 1 No sealants may be used unless the
113. you wish to prepare the materials yourself block maps may be traced at the office of the Assessor 81 Dr Carlton B Goodlett Place City Hall Room 190 The width of the public right of way for the streets separating the blocks may be determined at the Department of Public Works Bureau of Street Use and Mapping 875 Stevenson Street Room 460 554 5810 You may for a fee that varies by firm have a private drafting or mailing service prepare these materials SAN FRANCISCO PLANNING DEPARTMENT 10 08 2012 AVENUE RICHMOND NOTE THIS EXAMPLE IS NOT TO REQUIRED SCALE The following businesses have indicated that they provide professional notification services This listing does not constitute an endorsement Other professionals can also perform this work and can be added to this list upon request Build CADD 3515 Santiago Street San Francisco CA 94116 415 759 8710 Javier Solorzano 3288 21st Street 49 San Francisco CA 94110 415 724 5240 Javier131064 yahoo com Jerry Brown Designs 619 27th Street Apt A Oakland CA 94612 415 810 3703 jbdsgn328 ogmail com Ted Madison Drafting PO Box 8102 Santa Rosa CA 95407 707 228 8850 tmadison pacbell net Notificationmaps com Barry Dunzer 866 752 6266 www notificationmaps com Radius Services 1221 Harrison Street 18 San Francisco CA 94103 415 391 4775 radiusservices aol com Notice This 650 814 6750 APPLICATION FOR Certificate o
114. zing structural glazing and weather e Structural attachment of many panel systems sealing from a single product e Panel stiffener applications e Available in 13 standard colors e Weather sealing of most common construction materials including glass custom colors also available aluminum steel painted metal EIFS granite and other stone concrete brick and plastics BENEFITS TYPICAL PROPERTIES e Excellent weatherability virtually unaffected by sunlight rain snow ozone and temperature extremes of 40 F 40 C to 300 F 149 C e Excellent unprimed adhesion to a Specification Writers These values are not intended for use in preparing specifications Please contact your local Dow Corning sales office or your Global Dow Corning Connection before writing specifications on this product wide variety of construction Method lest Unit Result materials and building As Supplied components including anodized ASIME G Ts i i nou 3 Curing Time at 25 C 77 F and 0 days 7 14 alodined most coated and many RH Kynar painted aluminums Full Adhension days 14 21 e Ease of application ready to use ASTM C 639 Flow Sag or Slump Inches mm 0 1 2 54 as supplied Working Time minutes 20 30 e Ease of use all temperature VOC Content g L 28 gunnability easy tooling and low As Cured After 21 days at 25 C 77 F and 50 RH ASTMC 704 liin kalem 3267 Meets global standards Americas ASTM

2014.0690A - San Francisco Planning Department

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