Area/density protection for 15' of rack storage in a 17' building for cartoned non-expanded plastic is only .6/2000 (If I am reading the figures correctly).
If the water supply could handle it without a pump, a .6/2000 + EH2 system would let them do pretty much whatever they want in the building. For an 8000sf facility, if the budget works, they are only talking about a couple thousand dollars difference no matter which way they go. Matt From: Sprinklerforum <[email protected]> On Behalf Of Steve Leyton via Sprinklerforum Sent: Tuesday, December 17, 2019 11:53 AM To: Prahl, Craig/GVL <[email protected]>; [email protected] Cc: Steve Leyton <[email protected]> Subject: RE: Hazard Group? This is more or less the same program that's running in my head right now. The pallet loads are mostly large bags of landscape-related materials sitting on pallets (for convenience) on the floor and not conventional 4-5' high pallet loads. I'm with you on the rest of the stuff; the asphaltic coatings are in 1 and 5 gallon containers and there's not that much of this class. Flammable liquids very limited, combustibles all Class 3 from what I can see. I'm comfy with EH2 but I'm pushing them to stay at/under 12'. Steve From: Prahl, Craig/GVL [mailto:[email protected]] Sent: Tuesday, December 17, 2019 9:33 AM To: [email protected]<mailto:[email protected]> Cc: Steve Leyton Subject: RE: Hazard Group? Can you persuade them to configure the storage arrangement and height so that it qualifies as Miscellaneous Storage (<12ft)? With a roof height of only 17 ft (which I'm not sure if that's at peak or at eave), allowing clearance for structure and lights, you might not get a top rack level at 15 ft. More likely if palleted loads are used, you might not even get a 12 ft top rack level in that building. You might have a whole host of flammable and combustible liquids in that list besides the fuels and solvents. Those suspected materials would be asphaltic coatings, sanitizers, adhesives, solvents, lubricants. Looks like mostly Class II and III materials. Some solvents can be Class IB like alcohols and acetone. Asphaltic materials, and potentially adhesives and lubricants are often hydrocarbon based and don't respond to any great degree to water alone once ignited. So depending on the quantities of these materials, it might be beneficial to have those items stored in a UL listed Fire Cabinet along with the gasoline and mixed fuels. Get those items out of the general inventory and secured separately from the general commodities. I would then be looking at General Storage criteria out of NFPA 13 to see if EH2 might be adequate enough for the rest of the building. Craig Prahl | Jacobs | Group Lead/SME - Fire Protection | 864.676.5252 | [email protected]<mailto:[email protected]> | www.jacobs.com<http://www.jacobs.com/> 1041 East Butler Road Greenville, South Carolina 29606 From: Sprinklerforum <[email protected]<mailto:[email protected]>> On Behalf Of Steve Leyton via Sprinklerforum Sent: Tuesday, December 17, 2019 11:51 AM To: [email protected]<mailto:[email protected]> Cc: Steve Leyton <[email protected]<mailto:[email protected]>> Subject: [EXTERNAL] Hazard Group? We're working on a maintenance warehouse for a community college, set on a very large campus with lots of landscape. They are combining landscape and maintenance departments, so supplies range from grounds-keeping to whatever they need in the built environment, from fertilizers and athletic field marking paints to asphaltic coatings to sanitizers and clarifiers for landscape (higher volumes of pool chems for aquatics center not to be stored here), adhesives, solvents, lubricants, and low grade stuff like construction materials and hardware. There will also be 5 gallon latex paint buckets ("a few"), and 7-10 containers of gasoline and pre-mixed fuels not exceeding 35 gallons total. Only fertilizers and seed are in larger quantities, bagged on pallets with a pallet here and a pallet there, otherwise products are in consumer-sized packaging. Commodities will only be present in exempt amounts and while a few are highly reactive, except for fuels and solvents none are flammable liquids. Individually, there's not any one compelling hazard that defines the storage but taken together we have some kinda' fire load and would value opinions on what kinda' fire load that is. I'm leaning toward EH2 because ... well, because I'm lazy. Water pressure's okay, building isn't that very big (less than 8,000 sq. ft.) and max roof height is 17'. We're assuming rack storage (since they aren't going to have a fixture plan before we have to submit) and a max height of 15'. If anyone's got the time to throw a dart at this equation, I'd appreciate the input. [cid:[email protected]] ________________________________ NOTICE - This communication may contain confidential and privileged information that is for the sole use of the intended recipient. Any viewing, copying or distribution of, or reliance on this message by unintended recipients is strictly prohibited. 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