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Contents
1. 9 43 Use of Lugs tor Wiring 9 44 Terminal BIOCKS aE 9 AB 10 46 EAS 10 AT SWC OS cs eaae cates 10 48 11 4 9 Panel enced ee eee eee 11 4 10 5 0 R EE Ea ARA aie 11 11 6 2 5 11 Tie eke 11 8 Automation Design Compatibility c ccccccccccsssssssecececsssesssseseeeeecessesesaeeeseessesseaeaeeeeseseeeees 12 9 QUTABES sore Acie Seeders ear iste eA eT es He i de ee es 12 Scope of Work 1 General Description This specification covers the technical requirements for the upgrading of the existing Tap Changer Controllers at Cunningham Substation and Vuda NCC Substation for the 132 33kV Transformers each substation has two transformers therefore a total of four 4 transformer tap changer2. Tender MR 169 2015 Design Build Supply Test and Commissioning of the Tap Changer Control Upgrade for 132 33kV Transformers at Cunningham Road and Vuda NCC Substation The Secretary Tender Committee Fiji Electricity Authority Head Office Suva Fiji Hard copies of the Tender bid will also be accepted after the closing date and time provided a soft copy is uploaded in the e Tender Box and it is dispatched before the closing date and time Tenders received after 4 00pm on the closing date of Wednesday 25 November 2015 will not be considered Lowest bid will not necessarily be accepted as successful bid It is the responsibility of the bidder to pay courier chargers and all other cost associated with the delivery of the hard copy of the Tender submission TENDER SUBMISSION CHECK LIST The Bidders must ensure that the details and documentation mention below must submitted as part of their tender Bid Tender Number Tender Name 1 Full Company Name Attach copy of Registration Certificate 2 Director Owner s 3 Postal Address 4 Phone Contact 5 Fax Number 6 Email address 7 Office Location 8 TIN Number Attach of the VAT Registration Certificate Local Bidders Only 9 Company Registration Number Attach copy of the Business License 10 FNPF Employer Registration Number For Local Bidders only 11 Contact Person declare t
3. shall be of at least 1 5mm of thickness 4 1 4 Each cable chamber shall have cable entry from the bottom suitable removable gland plates of 6mm Aluminum shall be provided for this purpose The cable chamber shall be provided with suitable supporting arrangement between gland plates and terminals in the middle 4 1 5 A horizontal wire way with screwed cover shall be provided at the top bottom to take inter connecting control wiring Separate and adequate compartments shall be provided for accommodating instruments indicating lamps control fuses etc These shall be accessible for testing and maintenance without any danger of an electrical hazard 4 1 6 All similar materials and removable parts of the panel shall be interchangeable The panel shall be filled with the same family of switches for various ratings with a view to ensure uniformity of design maintenance and replacements 4 1 7 Painting shall be done by surface coating comprising pre treatment and curing The surfaces shall be chemically de rusted and degreased prior to painting White colored paint shall be applied as the finishing paint 4 2 Wiring 4 2 1 It shall be the responsibility of the bidder to do the control wiring from controller panel to the respective input output points of the transformer 4 2 2 It shall be the responsibility of the bidder to do all the internal control wirings of the Tap changer control panel Supply of all types of the cables control serial etc
4. shall be the bidder s responsibility 4 2 3 Panel shall be supplied with all wiring comprising of PVC insulated 1 1 KV grade multi strand flexible copper conductor of 2 5 Sq mm cross section 4 2 4 Wiring associated with a particular phase shall be the color of that phase Red Yellow or Blue Wiring associated with earthing shall be with green color insulation and for neutral it shall be with black color insulation 4 2 5 Wiring shall be neatly laid and run on insulated cleats of limited compression type insulated straps 4 2 6 All cables shall have crimped terminations and shall be identified by means of glossy plastic ferrules at both ends showing the wire number as indicated in the schematic diagrams The ferrules shall be indelibly marked 4 2 7 The cable laid between the panel and the transformer shall be done with armored multicore cables 4 2 8 Wiring to items mounted on hinged doors or wiring that is subject to movement shall run in helical binding The binding shall be securely anchored at both ends and sufficient slack provided to prevent any strain being imposed of wiring 4 3 Use of Lugs for Wiring 4 3 1 2 5mm_ Ring Lugs shall be used for wiring to the meters switches indicators and controllers 4 3 2 All lugs shall be provided for terminations with 10 spare 4 3 3 Lugs shall be insulated type 4 4 Terminal Blocks 4 4 1 Terminal blocks shall preferably be grouped according to circuit functions and each terminal block
5. controllers are required New tap changer controllers have to be installed complete with all accessories for efficient and trouble free operation The required equipment shall be manufactured as per the specifications listed in this specification document In case of any deviation from the mentioned the vendor shall bring into notice the same along with its offer In absence of such deviation it will be presumes that equipment offered is exactly similar to the specification The bidder s will be evaluated based on the features quality technicality and durability of the design 2 General Scope It is the complete responsibility of the bidder to 2 1 Design 2 2 Build 2 3 Transport Supply and Deliver 2 4 Insurance to Site 2 5 Install and Test 2 6 Provide Training 2 7 And Commission the Tap Changer Control Unit 3 Tap Changer Controller The preferred tap changer controller shall be of Brand Maschinenfabrik Reinhausen MR TAPCON ISM or an alternative of brand DRMCC Each transformer shall have one 1 controller of its own The controllers shall be custom programmed with respect to the details provided below 3 1 Cunningham Substation 3 1 1 Number of Transformers 2 3 1 2 Voltage Rating 132 33kV 3 1 3 Power Rating 40 60MVA 3 1 4 Number of taps 19 3 1 5 Tap changer Drive Mechanism Motor 3 Phase 415V 3 1 6 Tap Position Detection Provision 3 1 7 Parallel Operations Both controllers shall be p
6. the same tap as of the Master 4 7 1 2 3 Independent this selection shall apply to both the transformers at the same time to make their Tap Change according to the load on each transformer 4 7 2 There shall be individual switch for each Transformer Controller for manual Tap Change locally It shall be of Spring Return Push Button whereas the Green colored button shall be used to raise the tap position and the Red colored button shall be used to lower the tap position 4 8 Indication 4 8 1 There shall be 1 5Watt Orange LED Lights for indication of Tap Position for each Transformer Each Transformer has 19 Taps in total thus nineteen 19 indications 4 8 2 There shall be 1 5Watt Red LED Light to indicate the Tap Change Process This shall glow till the process is going on and turn off as the Tap Position changes 4 9 Panel Protection 4 9 1 The main AC and DC incoming wires shall have appropriate MCB s The devices on the panel shall also each have an appropriate MCB each 4 9 2 There shall be an earth bar mounted at the bottom of the panel which shall only connect the earthing of all the required devices in this panel 4 9 3 All front mounted as well as internally mounted items including MCBs shall be provided with individual identification labels Labels shall be mounted directly below the respective equipment and shall clearly indicate the equipment designation Labeling shall be on aluminum anodized plates of 1mm thickness letter
7. a FIJI ELECTRICITY AUTHORITY BIDDING DOCUMENT MR 169 2015 DESIGN BUILD SUPPLY TEST and COMMISSIONING OF THE TAP CHANGER CONTROL UPGRADE FOR 132 33kV TRANSFORMERS AT CUNNINGHAM ROAD AND VUDA NCC SUBSTATION Section 1 Instructions to Bidders 1 Scope of Bid 2 Eligible Bidders 2 Eligible Materials Equipment and Services 3 Qualification of the Bidder 4 Cost of Bidding 5 Site Visit 6 Sealing and The Fiji Electricity Authority hereinafter referred to as the Employer wishes to receive bids for full DESIGN BUILD SUPPLY TEST and COMMISSION TAP CHANGER CONTROL UPGRADE FOR 132 33kV TRANSFORMERS AT CUNNINGHAM ROAD AND VUDA NCC SUBSTATION as defined in these bidding documents hereinafter referred to as the Works The successful bidder will be expected to complete the Works within 12 Months from the date of commencement of the Works This Invitation to Bid is open to bidders who have sound financial background and have previous experience in handling such projects Bidders shall provide such evidence of their continued eligibility satisfactory to the Employer as the Employer shall reasonably request Bidders shall not be under a declaration of ineligibility for corrupt or fraudulent The materials equipment and services to be supplied under the Contract shall have their origin from reputable companies from various countries and all expenditures made under the Contract will be limited to such mate
8. early marking each one as ORIGINAL PROPOSAL and COPY PROPOSAL etc as appropriate The bidder shall seal the original bids and each copy of the bids in an inner and an outer envelope duly marking the envelopes as ORIGINAL and COPY The inner and outer envelopes shall be addressed to the Employer at the following address Tuvitu Delairewa General Manager Corporate Services 2 Marlow Street Suva FIJI Phone 679 3224 185 Facsimile 679 331 1882 Email TDelairewa fea com fj And bear the following identification Bid for DESIGN BUILD SUPPLY TEST and COMMISSIONING OF THE TAP CHANGER CONTROL UPGRADE FOR 132 33kV TRANSFORMERS AT CUNNINGHAM ROAD AND VUDA NCC SUBSTATION Tender Number MR 169 2015 DO NOT OPEN BEFORE 26 November 2015 Bids must be received by the Employer at the address specified above no later than Wednesday 25 November 1600 hours Local Fiji Time The Employer may at its discretion extend the deadline for submission of bids by issuing an addendum in which case all rights and obligations of the Employer and the bidders previously subject to the original deadline will thereafter be subject to the deadlines extended Any bid received by the Employer after the deadline for submission of bids prescribed in Clause 23 will be rejected and returned unopened to the bidder The bidder may modify or withdraw its bid after bid submission provided that written notice of the modificati
9. g any innovation in design incorporated into design incorporated into design 13 Installation of new panel and replacement of 5 00 Will require minimal tools and Will require some tools and Will require all tools and equipment from FEA existing panel equipment from FEA for installation equipment from FEA for installation for installation 14 Delivery period and timeline 5 00 Delivery period is within 18 24 Delivery period is within 24 28 Delivery period would exceed 28 weeks and weeks installation is within 2 weeks and installation is within 3 4 installation would also exceed 4 weeks 3 weeks weeks 15 Quality Control 5 00 Manufacturer has quality system in Manufacturer appears to have a Manufacturer has a record of providing accordance with international quality system in place reasonable quality material but provides no standards and produced evidence evidence of a quality system of regular third party audits Total 100 Tender Submission Instruction to bidders ma To register your interest and tender a response view Current Tenders at https www tenderlink com fea For further information contact The Secretary Tender Committee by e mail TDelairewa fea com fj In additional hard copies of the tender one original and one copy must be deposited in the tender box located at the FEA Head Office 2 Marlow Street Suva Fiji no later than 4 00pm on Wednesday 25 November 2015 Addressed as
10. group shall have at least 10 spare terminals Terminal blocks for control circuit shall be greater than 650V grade with contact ratings not less than 10A 4 4 2 Not more than two wires shall be connected to any terminal block All terminal blocks shall be mounted on a rail and shall be at a place easy to access 4 4 3 Clip on terminals of at least 650 V grade shall be provided for the cables up to 35 mm Preferable terminal blocks which shall used DIN rail Clip On Screw Connection product of Klemsan 4 5 Earthing 4 5 1 All the metal parts of all equipment supplied within the panel including doors and gland plates other than those forming part of all electric circuit shall be connected by means of two independent earth conductors to copper earth bar 4 5 2 The Panel shall be provided with two brass earthing stud terminals with suitable nuts washers etc for connection to ground bus 4 5 3 There shall be a single Cupper Earth Bar in the panel common for all Earth Points This shall be size of 10mm thickness 30mm of width and a length of at least 500mm 4 6 Labels 4 6 1 Labels shall be provided to describe the duty of or otherwise identify every Instrument or other item of equipment mounted internally and externally Switch positions shall be fully identified Wording shall be clear concise and unambiguous 4 6 2 Each label shall be permanently secured to the panel surface below the item to which it refers 4 6 3 The labe
11. hat all the above information is correct
12. ls shall be engraved plastic 4 mm thick with bold white letters in black background 4 7 Switches 4 7 1 There shall be individual switch for 4 7 1 1 The control of Remote Local Automatic selection This shall be a Three 3 position rotary cam changeover switch Each selection have its own control The 4 7 1 1 1 Remote this selection shall put control the National Control Center NCC on control over the Tap Changer Control whereby NCC shall be able to Raise or Lower the Tap position via SCADA Control remotely 4 7 1 1 2 Local this selection shall put the hard wired switches on control This includes the Raise and Lower of Tap Position and putting each controller to either Master or Follower position or both to Independent 4 7 1 1 3 Automatic Control this selection shall place the Tap Controller to fully control of Tap Changer according to the load on the transformer 4 7 1 2 The control of Master Follower Independent This shall be a Three 3 position rotary cam changeover switch Each selection have its own control For this operation any one of the controller shall be Master and the other shall be Follower or both can be Independent The 4 7 1 2 1 Master this selection shall put the controller in charge of the Tap Change 4 7 1 2 2 Follower this selection shall work in accordance to the Master selection Whereas if the Master Controller changes the Tap Position of its Transformer the Follower shall change to
13. more than ten 10 hours of duration Also the outages can only take place on a Sunday excluding any festival celebrations namely Easter Fiji Day Diwali and Christmas etc Criteria for Evaluation Weighting Score Range 10 8 7 4 3 0 1 Manufacturer s years of experience in 10 00 Manufacturer has more than 30 Manufacturer has less than 30 Manufacturer has less than 10 years production years experience years experience experience 2 Bidders experience in Similar projects 10 00 Company has done more than 50 Company has done 20 50 projects Company has done less than 20 projects of Design Build Supply and Install projects of similar nature of similar nature similar nature 3 Number of years the offered model has been 5 00 Model has been in the market for Model has been in the market for 15 Model has been in the market for 10 15 years in production and in the market more than 20 years 20 years 4 Number of years of experience of key 5 00 More than 10 years for most of the Less than 10 years for most of the Less than 5 years for most of the key personnel to be involved in project key personnel key personnel personnel 5 Manufacturer s Warranty on Tap changer 5 00 More than 4 years 2 4 years Less than 1 year Controls 6 Type test reports on tap changer control units 5 00 Results meet and exceed the Results do not meet minimum Type test reports not submitted or not as per requirements as per IEC standard
14. of the Works by the Contractor as prescribed by the Contract hereinafter and in the Conditions of Contract called the Contract Price The notification of award will constitute the formation of the Contract Upon the furnishing by the successful bidder of a performance security the Employer will promptly notify the other bidders that their bids have been unsuccessful At the same time that he notifies the successful bidder that its bid has been accepted the Employer will send the bidder the Form of Contract Agreement provided in the bidding documents incorporating all agreements between the parties Within 7 days of receipt of the Form of Agreement the successful bidder shall sign the Form and return it to the Employer The Employer requires that the Contractor observe the highest standard of ethics during the procurement and execution of such contracts In Pursuance of this policy the Employer a defines for the purposes of this provision the terms set forth below as follows i corrupt practice means behavior on the part of officials in the public or private sectors by which they improperly and unlawfully enrich themselves and or those close to them or induce others to do so by misusing the position in which they are placed and it includes the offering giving receiving or soliciting of anything of value to influence the action of any such official in the procurement process or in contract execution and ii f
15. on or withdrawal is received by the Employer prior to the deadline for submission of bids The bidder s modification or withdrawal notice shall be prepared sealed marked and delivered in accordance with the provisions of Clause 22 with the outer and inner envelopes additionally marked MODIFICATION or WITHDRAWAL as 10 Employer s Right to Accept any Bid and to Reject any or all Bids 11 Notification of Award 12 Signing of Contract Agreement 13 Corruptor Fraudule nt Practices appropriate A withdrawal notice may also be sent by fax but must be followed by a signed confirmation copy No bid may be modified by the bidder after the deadline for submission of bids Notwithstanding Clause 34 the Employer reserves the right to accept or reject any bid and to annul the bidding process and reject all bids at any time prior to award of Contract without thereby incurring any liability to the affected bidder or bidders or any obligation to inform the affected bidder or bidders of the grounds for the Employer s action Prior to expiration of the period of bid validity prescribed by the Employer the Employer will notify the successful bidder by fax confirmed by registered letter that its bid has been accepted This letter hereinafter and in the Conditions of Contract called the Letter of Acceptance shall name the sum which the Employer will pay the Contractor in consideration of the execution completion and maintenance
16. raudulent practice means a misrepresentation of facts in order to influence a procurement process or the execution of a contract to the detriment of the Employer and includes collusive practice among bidders prior to or after bid submission designed to establish bid prices at artificial non competitive levels and to deprive the Employer of the benefits of free and open competition b will reject a proposal for award if it determines that the bidder recommended for award has engaged in corrupt or fraudulent practices in competing for the contract in question Furthermore bidders shall be aware of the provision stated in Sub Clause 1 16 and Sub Clause 15 5 of the Conditions of Contract Part Il Conditions of Particular Application Contents WOK 7 1 General 5 es 7 2 G neral SCOP Gis a e aa E aat 7 3 Changer 7 3 1 Cunningham 50 7 3 2 Substation adie 7 4 changer Control Panel cccccccssssssececececsesssssseceeccssceseaeaeeesecesseseeaeseceesessseseeaeseeeeeeesseseneseeeeeens 8 AA 8 AD
17. rials equipment and services At the Employer s request bidders may be required to provide evidence of the origin of materials equipment and services To be qualified for award of Contract bidders shall submit proposals regarding 1 Work methods 2 Work scheduling and 3 resourcing This shall be provided in sufficient detail to confirm the bidder s capability to complete the works in accordance with the specifications and the time for completion The bidder shall bear all costs associated with the preparation and submission of its bid and the Employer will in no case be responsible or liable for those costs The bidder is advised to visit and examine the Site of Works and its surroundings and obtain for itself on its own responsibility all information that may be necessary for preparing the bid and entering into a contract for the design build and completion of the Works The costs of visiting the Site shall be at the bidder s own expense The pre bid meeting is scheduled at 10 00a m on Wednesday 28 October at Cunningham Rd Substation Suva Fiji and Thursday 29 October at 132kV Vuda Substation Lautoka Fiji The bidder shall seal the original copy of the technical proposal the original copy of Marking of Bids 7 Deadline for Submission of Bids 8 Late Bids 9 Modification and Withdrawal of Bids the price proposal and each copy of the technical proposal and each copy of the price proposal in separate envelopes cl
18. rogrammed to operate as Master Follower 3 2 Vuda Substation 3 2 1 Number of Transformers 2 3 2 2 Voltage Rating 132 33kV 3 2 3 Power Rating 30MVA 3 2 4 Number of taps 19 3 2 5 Tap changer Drive Mechanism Motor 3 Phase 415V 3 2 6 Tap Position Detection Provision 3 2 7 Parallel Operations Both controllers shall be programmed to operate as Master Follower 3 3 The controller shall 3 3 1 Communicate via SCADA DNP3 and IEC61850 Protocol 3 3 2 Communicate through Fiber Optics 3 3 3 The controller shall be programmed to interpret the Remote Manual Auto function from the switch This is further explained below under Switches 3 3 4 The controller shall be programmed to interpret the Raise Lower function from the switch to Raise or Lower the Tap Position This is further explained below under Switches 3 3 5 Be programmed to operate the Master Slave Protocol There shall be a hard wired selector switch whereby it shall determine which controller shall be put into Master and Slave 3 3 6 Display the Tap Number Tapped Voltage and any other necessary details 3 3 7 The controller itself shall be programmed to rise and lower the tap positions with the use of switches 3 4 The controller shall be able to interpret the manual inputs hardwired switch inputs These 3 4 1 A selector switch to determine the controller operation to be Manual Remote Auto 3 4 2 A selector switch to determine each cont
19. roller to be either Master or Follower 3 4 3 A push button under each controller to raise or lower the tap position Tap changer Control Panel 4 1 Construction 4 1 1 The panel shall be metal enclosed free standing type suitable for indoor installation The panel shall be dust and vermin proof and the enclosure shall provide a degree of protection not less than IP 65 The height of the panel shall not be more than 2200mm and the depth shall not exceed 800mm The panel shall be sized large enough width wise such that two tap changer controllers can be placed side by side Also the switches indications and meters shall be properly spaced and correctly placed to avoid confusion 4 1 2 The tap changer controllers shall be flush mounted on the face of the panel side by side with all the necessary control underneath the controllers 4 1 3 The panel shall be fabricated and properly supported using C Channel or Angle Line metal so the frame does not deteriorate from its shape in due time The whole panel shall be mounted on a base frame made out of hot dip galvanized structure Joints of any kind in sheet shall be seam welded all welding slag grounded off and welding pit wiped smooth with plumber metal All panels and covers shall be properly fitted and made square with frames All the holes in the panels shall be correctly positioned Self threading screws shall NOT be used in any construction works The metal sheet for the construction of the panel
20. s specifications IEC standards 7 Conformance to acceptable values for routine 10 00 Submits evidence that the system Submits evidence that system will No evidence of conformance to test tests as specified in tender will conform amp exceed requirements conform to most requirements requirements 8 Comprehensiveness of proposed design 10 00 All the design details are Relevant design details are Extent of consideration placed into design is addressed as that would be addressed in terms of design as significantly less than that expected expected in an ideal proposal that compared to an ideal proposal reasonable proposal Most of the items stated in specifications are not met 9 Tap Changer Control Panel Evaluation 10 00 Meets all the technical Meets only the basic requirements Meets only the mandatory requirements of the requirements as in the of the specification Proposed specification specification All technical details technical data is acceptable but match with design requirements does not match with specification 10 Maintenance Requirements for the tap 5 00 Needs maintenance every 5 years Needs Maintenance every 3 5 Needs Maintenance every 1 2 year changer control Unit or more years 11 Job Safety Requirements 5 00 Meets and exceeds the safety Meets most of the safety Does not meet the level of safety required requirements requirements 12 Innovation in Design 5 00 High degree of innovation Evidence of some innovation No evidence showin
21. s are to be properly engraved 4 10 Panel Structure There shall be provision for each cable chamber where it shall have cable entry from both top and bottom suitable removable gland plates shall be provided for this purpose The cable chamber shall be provided with suitable supporting arrangement between gland plate and terminals in the middle 5 Training The bidder shall provide rigorous hands on and theoretical training to the Engineers and technicians on operations troubleshooting and maintenance of the Tap changer controller unit 6 User manual for operations The bidder shall provide a comprehensive user manual which has complete instructions of operating the Tap Changer Control Unit The user manual shall be in simple straight forward English and shall be unambiguous 7 Drawings The bidder shall also provide ALL the single line drawings of the controls wiring done inside the panels and the control wirings done outside the panels i e Transformer panel etc 8 Automation Design and Compatibility The IEC 68150 Design of Electrical Substation Automation standard and DNP 3 0 Protocol shall be used to design the automation systems The system shall be able to operate in both however the system shall be taken over by DNP 3 0 protocol All hardware in the designs shall be compatible to these protocols 9 Outages The bidder shall propose the number of outages required to complete the entire cutover One outage shall not be
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