3rd Quarter 2010 - Brooks Equipment
Contents
1. I think our customers are a really good group of people they are very friendly I appreciate their business and I know the com pany appreciates their business If they ever need anything they can rely on me to help them out in any matter BEHIND THE SCENES A Ghief s Perspective By Darrell W Harguth I am sure that we have all heard the old saying IF IT AIN T BROKE DON T FIX IT Currently in California we have a proposed Assem bly Bill No 660 What is it This Bill if passed would require anyone working on a fire suppression system of any type to complete systems to go through the above mentioned training Why would anyone want to change the current sys tem which is working so well The current California State Fire Marshal s Regu lations for Fire Protection Systems has an exemplary record of effectiveness and reliability It appears that are others has had an analyst do some preliminary calculations on the finan cial impact of the current fire protec tion industry should this Bill pass The findings show that the cost to the sys tems owners could increase a minimum of thirty percent This cost increase could be disastrous especially in our current financial times particularly to tax funded facilities such as schools universities hospitals and other state and local facilities an Apprenticeship Program for Sprinkler Fitting This program in volves approximately 82. Quarter 2010e 5 PFEATURE CY NEPA Fire Prevention Week October 3 9 2010 The official theme for the 2010 Fire Prevention week is Smoke Alarms A Sound You Can Live With The theme is developed each year by the NFPA and this year Fire Prevention Week is sched uled for the week beginning October 3 Many people are complacent about smoke alarms in their homes because they already have at least one and feel adequately protected During Fire Pre vention Week fire safety professionals are encouraged to motivate people to take the necessary steps toward greater home fire safety This year s FPW campaign Smoke Alarms A Sound You Can Live With provides an ideal opportunity to edu cate the public about smoke alarm rec ommendations and the campaign can serve as a powerful tool for motivat ing people to install smoke alarms as needed and to make sure they re work ing and tested properly More than half of home fire deaths in America occur in the five percent of homes with no smoke alarms This year we are hoping that people will share the knowledge when it comes to home fire safety and smoke alarms Here is some information from the NFPA that you can share with others in your community Smoke Alarm Basics Smoke alarms should be installed on every level of the home includ ing the basement outside each sleep ing area and inside each bedroom Larger homes may need additional smoke alarms Never remove or
3. whenever possible should not contain an anti freeze solution If you have or are responsible for an existing residential occupancy with a fire sprinkler system contact a sprinkler contractor to check and see if there is antifreeze solution in the system If there is antifreeze solution in the system determine if other means such as insulation can be used to provide adequate freeze protection If there is no viable alternative to an tifreeze solutions the NFPA recom mends the following Use only propylene glycol or glyc erin antifreeze solution The antifreeze solution should be the lowest possible concentration required for the needed freeze po tential but under no circumstance should the antifreeze solution ex ceed a maximum concentration of 40 of propylene glycol or a maxi mum concentration of 50 of glyc erin Consideration should be given to reducing these concentrations by an additional safety factor The antifreeze solution should only be a factory pre mixed solu tion use of factory pre mixed so lutions is essential to ensure the proper concentration level and so lution integrity Antifreeze solutions should only be used with the approval of the local au thority having jurisdiction Reprinted from the NFPA s Fire Sprinkler Inita tive Bringing Safety Home Newsletter Great works are performed not by strength but perseverance Samuel Johnson 8rd Quarter 2010 5
4. a great time to place your order for Custom Engraved Signs These signs come in a number of colors with either pre drilled holes or adhesive backs for easy mounting You can read more about Custom Engraved Signs on page 8 too MSNS Finally this issue of Hot Topics explores a lot of other important topics From in depth articles on External Maintenance on Dry Chemical Extinguishers to an investigative piece on using antifreeze in residential sprinklers Brooks brings SEPTEMBER 23 Norwalk CA 23 Elk Grove Village IL OCTOBER 14 Rochester NY 21 San Francisco CA NOVEMBER 11 Charleston SC 18 San Antonio TX To register visit www brooksequipment com QUOTE In the middle of difficulty lies opportunity Albert Einstein you what s relevant in our industry Besides the thousands of original OEM parts and products that we carry Brooks offers the best services and best customer care in the business And we ve been doing it for almost 70 years There s no place on the planet for you to learn shop and to get to know the busi ness better than Brooks Equipment I guarantee it Call or email us any time at 800 826 3473 or sales brooksequipment com Thank you for choosing Brooks Sincerely MINTEX FIre LITe aLarms Tim Foughty President N 1am T I U Wa eww sf ma F by y Ww a ralis A UTC Fire amp Security Company octralis IN THE NEWS Delta P
5. charging pressure on the extinguisher nameplate or in the service manual The gauge you are replacing may be the wrong one so always match the extinguisher service pressure with the re placement gauge Agent Type Marking All gauges are marked with the type of agent that is used in the extinguisher so it is important to use the right re placement gauge A dry chemical gauge will Say USE WITH DRY CHEMICAL ONLY A gauge that has the marking USE WITH WATER AFFF OR LOADED STREAM ONLY can be used with any of these three agents Compatibility with Valve Body Material Each gauge has a manufacturer s code letter Understanding the system is key for matching the gauge to the extinguisher valve body material The valve body compatibility is indicated as follows e Aluminum A line above the gauge manufacturer s code letter is a gauge for use with an aluminum valve body corrosion that indicates the need for a teardown to correct these problems Any improper cracked clogged or oth erwise problematic hoses are replaced The extinguisher must have a hose in good condition installed with one end fastened securely to the valve and the other end in the hose retention band that is securely and properly adjusted before it is returned to service The extinguisher is weighed to verify the weight corresponds to the name plate weight A lower weight indicates a problem that necessitates recharging of the extinguisher After th
6. disable smoke alarms Interconnection of smoke alarms is highly recommended when one smoke alarm sounds they all do This is par ticularly important in larger or multi story homes where the sound from distant smoke alarms may be reduced to the point that it may not be loud enough to provide proper warning especially for sleeping individuals A licensed electrician can install hard wired multiple station alarms Wireless alarms which manufacturers have more recently begun producing can be in stalled by the homeowner There are two types of smoke alarm technologies ionization and photo electric An ionization smoke alarm is generally more responsive to flam ing fires like a pan fire or the smoke from cooking A photoelectric alarm is generally more responsive to smolder ing fires like a cigarette overheated wiring or something hot like a space heater Install both types of alarms in your home or combination ionization and photoelectric alarms that take ad vantage of both technologies Test smoke alarms at least monthly by pushing the test button Ifan alarm chirps warning the battery is low replace the battery right away All smoke alarms including alarms that use 10 year batteries and those that are hard wired alarms should be replaced when they re 10 years old or sooner if they do not respond properly when tested Never remove or disable a smoke alarm Smoke Alarm Statistics The NFPA pr
7. guishers These extinguishers require annual external maintenance examina tions An internal maintenance exami nation is only required at the 6 year maintenance interval and the 12 year hydrostatic test interval The cycle of external maintenance internal main tenance and hydrostatic testing is re peated for the service life of the extin guisher to ensure the safety of the user and the reliability of the device Annual external maintenance of these extinguishers is necessary so that a number of critical components can be examined and repaired if necessary in order to make the fire extinguisher ready for use during a fire emergency Where repairs are not appropriate the extin guisher is replaced When the external maintenance is performed correctly and completely on an annual basis and in ternal maintenance and hydrostatic testing are conducted on schedule the maximum level of assurance that the extinguisher will work as designed to suppress or extinguish an unwanted fire is provided The responsibility for establishing a contract for portable fire extinguisher maintenance falls on the building owner the owner s designated agent or the ten ant of the building where fire extin guishers are located Once the contract is established performing maintenance correctly and at the right intervals nor mally is the responsibility of the fire equipment distributor The actual task of extinguisher maintenance is assigned to a te
8. 000 hours of field work as well as 700 hours of prov able training AB 660 would require workers doing servicing testing and routine maintenance on any of these some group is trying to gain control of all the fire protection systems with regards to installation inspection and maintenance CALSAFE California Association of Life Safety and Fire Equipment who is leading the charge to defeat this Bill as In addition to California I understand that other states are being presented with legislation similar to our AB 660 Many of us in fire protection may have a battle ahead 8rd Quarter 2010 7 Quarter 2010 e 7 PRODUCT GALLERY For more information on these featured products visit brooksequipment com 2011 SERVICE TAGS ORDER NOW f Custom Imprinted Extinguisher Service Tags are printed on both sides with black ink on a coated 13 pt stock with reinforced eyelets Metal eyelets and or wire optional 2011 is just around the corner Don t forget to order your tags by October llth to guarantee delivery by January 1 2011 Create a custom layout designed specifically for your needs Add your com pany s information and logo Call Brooks Equipment for details 800 826 3473 CUSTOM ENGRAVED SIGNS Two exciting options available plastic with pre punched holes or plastic with adhesive back e Custom made to your specifications up to 432 square inches e Seven different color schemes availabl
9. BROOKS EQU ALP MEDE At 2 C k An Update for Our Customers Dear Valued Brooks Customer REDE INTHE NEWS oa a ete T A a 2 SAFETY TIP FOR EXTINGUISHER PLACEMENT sseceeeeeeeeeeeeeeeees 2 Autumn is just around the corner That means cooler temperatures and beautiful fall foliage are close behind Quite a break from the 90 plus degrees most of us en dured for what seemed like ever Fall though ushers in a number of things not just cooler weather Octo ber hosts NFPAs Fire Prevention Week starting on the third and running through the ninth of the month You EXTERNAL MAINTENANCE OF DRY CHEMICAL EXTINGUISHERS 3 EXTINGUISHER PRESSURE GAUGE REPLACEMENT A A a 4 NEPA SAFETY ALERT REGARDING ANTIFREEZE IN RESIDENTIAL 5 can read all about this year s theme on page 6 It cov NFPA FIRE PREVENTION WEEK 6 ers a lot of great information including valuable tips and statistics on smoke EMPLOYEE SPOTLIGHT 7 alarms Be sure to test your smoke and CO alarms and install new batteries while youre at it DEFAND THE SCENES aren yee nr ae 7 Brgmaner GUATTERS g With the change of Seasons there s no better time than the present to start or dering your 2011 Custom Imprinted Extinguisher Service Tags Remember you have to order them by October llth to guarantee delivery by January 1 2011 See page 8 for more information and how to order This is also
10. and concentrations of glycerin exceeding 50 have the potential to ignite when discharged through au tomatic sprinklers Both the 40 propylene glycol and 50 glycerin solutions demonstrated similar performance to that of water alone for fire control throughout the series of tests Based on the results of this research antifreeze solutions of propylene glycol exceeding 40 and glycerin exceed ing 50 are not appropriate for use in residential fire sprinkler systems Consideration should be given to re ducing the acceptable concentrations of these antifreeze solutions by an appropriate safety factor Based on the research NEPA offered the following updated guidance on residential sprinklers systems New Systems The NFPA standards prohibit the use of antifreeze in residential fire sprin klers in new construction following the August 16 2010 issuance of tentative interim amendments TIA to NFPA 13 NFPA 13D and NFPA 13R If you are put ting in a new residential fire sprinkler system including all NFPA 13D appli cations and the dwelling unit portions of NFPA 13 and NFPA 13R systems refer to the latest editions of NFPA 13 NFPA 13D and NFPA 13R as amended by TIAs 1000 995 and 994 Existing Systems Fire sprinklers are extremely effective fire protection devices significantly reducing deaths injuries and prop erty loss from fire These systems should not be disconnected Residential fire sprinklers
11. be as follows 10 x 12 x 9 1 080 cu ft When you place an extinguisher this calculation should always be per formed Make sure too that the cubic feet that you ve calculated exceeds the The occupants of the residence who were home at the time of the fire re portedly smelled smoke and discov ered a small fire in the attic of the home McBurney said Using a fire extinguisher the occu pant of the home was able to contain the fire to the attic until firefighters arrived said McBurney The home sustained moderate fire damage to its attic with water and smoke damage throughout the rest of the structure said McBurney FEATURE minimum volume cubic feet per mitted on the extinguisher s name plate The property owner should be made aware of this nameplate information for the safety of the end user The above article is the opinion of the author and does not necessarily represent the posi tion of a NFPA technical committee or the NFPA and may not be considered to be or re lied upon as such Mark Conroy is an engineer with Brooks Equipment Company and a principal mem ber of the NFPA Technical Committee on Por table Fire Extinguishers Copyright 2010 all rights reserved 2 HoTTOPICS iN e HOT TOPICS FEATURE External Maintenance of Dry Ghemical Extinguishers By Mark Conroy Most handheld portable fire extin guishers in buildings are rechargeable stored pressure dry chemical extin
12. ch a tight ship It is constant work there is not a lot of down time but I always stay on the move says Campbell Down in Charlotte they think I m a drill ser geant in the way I run the warehouse They laugh about it be cause they think I have my guys standing at attention says Campbell with a chuckle But it s not quite like that So what exactly is his secret I m a perfectionist I like things perfect running smooth and easy Maybe it has to do with my method of managing employees I have a really good core of guys they know what they are doing and they un derstand me says Campbell The highlight of my career at Brooks is holding the 1 ware house ranking spot almost every year since Brooks started ranking warehouses Everybody is after me he laughs The Brooks ware house ranking system is based on a combination of many different factors sales orders shipped mistakes inventory etc and has been going on for about seven years It s a neat thing Outside of work Robert spends a lot of time on sports I play basketball to keep my sanity and take out my frustra tions plus I have two daughters with whom I spend a lot of time and I coach their three teams baseball basketball and soccer Robert looks back and tries to remember how he happened upon this successful time at Brooks and says simply I got extremely lucky He adds a final message for customers
13. chnician that understands how to examine the extinguishers and to take any necessary corrective action The technician performing the main tenance relies on the extinguisher man ufacturer s service manual for specific information on external examinations The manuals also contain cautions and warnings so that the technician per forms the tasks safely Generally the same external examination procedures are followed for all rechargeable stored pressure dry chemical extinguishers The practice has been standardized and the complete list of items to be exam ined has been added to the 2010 edition of NFPA 10 Standard for Portable Fire Extinguishers General Procedures for Annual External Maintenance The extinguisher is removed from the hanger or cabinet and checked for dam age A broken or deformed verification of service collar indicates a suspect extinguisher that must be taken out of service for full maintenance which in cludes internal examination The hanger must be the one designed for the extin guisher If it is identified as the wrong hanger or is damaged the hanger is re placed Extinguisher height and hanger mounting hardware are also examined Incorrectly installed or loose hangers are removed The hanger must then be prop erly located and securely re attached at the correct height Cabinets are checked for damage and proper operation Aux iliary components such as break glass devices must be checke
14. d to make sure they are the proper ones for the cabinet and readily available for use The operating instructions label on the extinguisher is examined to confirm that it is the right one and it is securely attached to the extinguisher The label must not be faded and must be in a con dition in which it is clearly legible and will not come off easily Also the loca tion of the label is evaluated to make sure the instructions will be facing outward when the extinguisher is returned to its hanger or cabinet Problematic operat ing instructions labels are replaced Any extinguishers that are subject to recall or have become obsolete due to safety concerns are removed from service Extinguishers that are consid ered obsolete are listed in Section 4 4 of NEPA 10 The service technician reviews the maintenance and hydrostatic test records Any extinguishers due for the 6 year teardown or hydrostatic testing are re moved so that the work can be done Any fire extinguisher that is removed from a building for repair internal maintenance or hydrostatic testing must be replaced by a fire extinguisher that is appropriate and rated for the hazard A thorough examination of the condi tion of the extinguisher cylinder is con ducted to check for corrosion dents gouges and repairs If corrosion dents or gouges are identified an evaluation is made to determine whether the prob lem areas are within tolerable ranges or whether the extin
15. e e Comes complete with pre punched corner holes or adhesive backs e Service your non traditional sign needs with our custom signs up to 24 x 18 a ee Oe ee A al aa Brooks Filter Spacers fill in the uncovered plenum space that results when using standard size filters Because custom made filters are expensive and sometimes hard to find our a stainless steel spacers fit the bill and the za space that s not critical to air flow or system detection Spacers are made of 20 gauge 430 stainless steel and have a brushed finish rrr fre FGF425 SSPSTY SSPILB SSPCAFSTAG System Serviced in Accordance with NFPA17 or 17A and 96 by ABC Fire Systems 555 555 5555 FIRE DOOR KEEP CLOSED PRE PUNCHED ADHESIVE BACK ADHESIVE BACK FIRE EXTINGUISHER VALVES pnew J CO Valve for 1 4 neck steel cylinder without latch BHV50 and 1 neck steel cylinder with latch BHV100 8 HOT TOPICS MEMBER AFSA CALSAFE FEDOT FEMA GAFSED GBFAA e LLSSA NAFED NCFAA NFPA NFSA ORFED PAFED SCSA 2010 Brooks Equipment Co Inc
16. e Brooks catalog are UL recognized components listed for fire extinguishers Beyond mak ing sure of the proper component listing of the replacement gauge there are three things that are checked to assure that the right replacement gauge is being used It must match the charging service pres sure it must match the agent in the ex tinguisher and it must be compatible with the valve body material Charging Pressure The gauge pressure must match the charg ing pressure If the charging pressure for the extinguisher is 195psi then the gauge must have 195 in the green area You can find Continued from page 3 make sure the needle is in the operable range The pressure gauge is examined to ensure it is not damaged or bent or the face plate cracked The technician also confirms that the pressure gauge matches the agent type and the name plate s operating pressure and verifies the gauge threads are compatible with the valve body material An extin guisher with a problematic gauge is re moved for replacement of the gauge The extinguisher hose is removed and examined for cracks or deformation The technician verifies that the hose is the correct one for the extinguisher model and that the hose assembly has no obstructions Additionally the con dition of the hose assembly threads and couplings is assessed While the hose is off the valve port surfaces are examined for signs of leakage or the extinguisher
17. e proper weight has been verified the extin guisher is wiped clean of any dirt and contaminants The maintenance is re corded on a new extinguisher tag or la bel and the extinguisher is replaced on the hanger or returned to the cabinet e Brass A line below the manufactur er s code letter is a gauge for use with brass valve body e Aluminum or Brass Lines above and below the manufacturer s code let ter or the absence of any line above or below the manufacturer s code letter is a universal gauge for use with alumi num or brass valve bodies An extinguisher gauge is relied upon to indicate that the unit is pressur ized and ready to use in the event of a fire emergency Using only correct replacement gauges provides a reason able assurance that the gauges will pro vide correct readings during monthly or more frequent inspections The above article is the opinion of the author and does not necessarily represent the position of a NFPA technical committee or the NFPA and may not be considered to be or relied upon as such Mark Conroy is an engineer with Brooks Equip ment Company and a principal member of the NFPA Technical Committee on Portable Fire Extin guishers Copyright 2010 all rights reserved Ready For Use Once the external maintenance is complete the extinguisher is ready for use during a fire emergency When periodic maintenance and hydrostatic testing are conducted correctly during the required
18. guisher needs to be replaced Tolerances for corro sion dents and gouges are provided in NFPA 10 Any extinguisher that shows signs of being repaired such as welding is replaced An evaluation is conducted as the pull pin is being removed A pin that does not slide out easily is replaced Additionally the pin and the slot are examined A bent or corroded pin is replaced With the pin out the valve stem is examined to make sure that it protrudes out the top of the valve and is correctly extended The valve stem is also checked for corrosion and damage A valve stem problem typically neces sitates the teardown of the extinguisher and the replacement of the valve stem The handle and the actuation lever are examined Bent or corroded handles or levers and rivets that cause the lever to stick are reasons for extinguisher re moval for repair A new tamper seal is installed when the pull pin is in serted in the extinguisher lever The new tamper seal is not only required but it gives the building owner or a fire inspector a visual indication that the pull pin valve stem handle and lever evaluations were most likely conducted during maintenance The pressure gauge is checked to Continued on page 4 8rd Quarter 2010 8 Quarter 201710 e3 FEATURE Extinguisher Pressure Gauge Replacement By Mark Conroy It is sometimes necessary to replace pressure gauges on extinguishers All ex tinguisher pressure gauges in th
19. ilot Puts Out Cockpit Fire ATLANTA GA A Delta plane made an emergency landing at Harts field Jackson International Airport in Atlanta over the weekend after a pilot reported an electrical smell in the cockpit A very minor fire was put out by the pilot after he landed the plane Atlanta City Fire Department Capt James Dorsey told CNN The MD 88 had 107 passengers and five crew members aboard and was headed from Atlanta to Hartford Connecti cut No injuries were reported in the incident A Delta spokesman said the pilots smelled something unusual and de cided to return to Atlanta He says the crew used an extinguisher to put out the fire which occurred after the plane landed and as it was holding to taxi Delta is investigating the cause which was related to electrical equip ment The carrier is also assessing the damage to the plane according to the spokesman Opelika Fire Department Battles Two Local Fires No Injuries Reported OPELIKA ALABAMA The Ope lika Fire Department responded to its 24th and 25th structure fires of the year on Monday The first call firefighters received came at 8 15 a m from Ashton Way Apartments in the 200 block of Samford Av enue The occupants of the home who were present at the time of the fire were preparing food in an oven and thought that they d turned it off when they actually hadn t said OFD Capt Scott McBurney The fire spread to the kitchen cab ine
20. ovides the following smoke alarm statistics Smoke alarms are the residential fire safety success story of the past quar ter century Each year roughly 70 percent of home fire deaths result from fires in homes with no smoke alarms or no working smoke alarms Homes with smoke alarms whether or not they are operational typically have a death rate that is 40 to 50 percent less than the rate for homes without alarms e If every home had working smoke alarms U S home fire deaths would decrease by an estimated 36 per cent resulting in an estimated 1 120 lives saved per year e Smoke alarms fail most of the time because of missing disconnected or dead batteries Know Where to Install Smoke Alarms The NFPA provides the following in stallation tips e Install smoke alarms on every level of the home including the base ment making sure that there is an alarm outside every separate sleep ing area In addition to installing alarms on every level and outside the sleeping areas it s a good idea to install smoke alarms in all bedrooms For manufactured mobile homes install a smoke alarm outside of each sleeping area and inside of each bedroom If someone in the home is deaf or hard of hearing consider installing an alarm that combines flashing lights vibration and or sound e Mount smoke alarms high on walls or ceilings remember smoke rises Ceiling mounted alarms should be in stalled at least fou
21. r inches away from the nearest wall wall mounted alarms should be installed four to 12 inches away from the ceiling e If you have ceilings that are pitched install the alarm near the ceiling s highest point Don t install smoke alarms near win dows doors or ducts where drafts might interfere with their operation Smoke alarms should not be installed in kitchens bathrooms or garages Source NFPA e HOTTOPICS iN 0 Fe ed EMPLOYEE SPOS Robert Gampbell Holds the Secret to Running Cincinnati s Warehouse This November Robert Campbell will celebrate 20 years with Brooks Equipment and in those years he has climbed the ranks learned about managing a great team and figured out how to put his warehouse in the number one slot at Brooks Equipment Two decades ago Robert started at Brooks as an employee in the Cincinnati warehouse Today he is the Warehouse Manager and has held that position for almost 13 years It s always an adventure working here there truly is some thing new every day says Campbell about his typical day at work He arrives very early in the morning anywhere between 6 00 or 6 30 a m and he doesn t stop working until everything is done T interact with will call customers who come in and pick up their product Most of our customers are regulars and have been coming around for about 20 years so we have developed many work related friendships How does Robert run su
22. regular intervals the prob ability that the extinguisher will work as designed to suppress or extinguish an unwanted fire is maximized The above article is the opinion of the author and does not necessarily represent the position of a NFPA technical committee or the NFPA and may not be considered to be or relied upon as such Mark Conroy is an engineer with Brooks Equip ment Company and a principal member of the NFPA Technical Committee on Portable Fire Ex tinguishers Copyright 2010 all rights reserved 4 HOoTTOPICS iN e HOT TOPICS el Additional Testing Gompleted on Antifreeze in Residential Sprinkler Systems The National Fire Protection As sociation NFPA Standards Coun cil has banned the use of antifreeze solution in residential fire sprin kler systems for new construction if until further action by the NFPA consensus standards committees and the NFPA has issued a follow up to its July 2010 safety alert to provide updated guidance on the use of antifreeze in new and exist ing residential sprinkler systems The council action and updated alert follow new research that was conducted after a fire incident raised concerns about antifreeze solutions in residential sprinkler systems The safety alert and additional information on this topic can be found at www nfpa org antifreeze Key findings from the new report were Antifreeze solutions with concentra tions of propylene glycol exceeding 40
23. ts of the home which the occu pants were able to extinguish Firefighters remained on the scene approximately 40 minutes clearing the apartment of smoke McBurney said Later that same day at about 4 p m the OFD was called to a residence in the 1500 block of Pine Haven Court Safety Tip For Extinguisher Placement Halogenated Agent Extinguisher Safety Information By Mark Conroy UL requires that the nameplates on extinguishers containing halo genated agents halons and halocar bons be provided with safety infor mation This nameplate information is based on a weight by volume calculation to make sure that the agent s safe exposure guidelines are not exceeded The main purpose of the information is so the extin guisher user is not subjected to overexposure of the extinguishing agent vapors while discharging an extinguisher into a confined space The UL minimum volume require ment for confined spaces is based on exposure to the agent in the ab sence of a fire and does not include considerations for fire and the agent de composition products The placement of extinguishers containing halogenated agents must therefore conform to this minimum confined space volume criteria To calculate the volume of a space to be protected with a halogenated agent extinguisher simply multiply the length by the width by the height For example if you have a room that is 10 by 12 with a 9 high ceiling the calcu lation would
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