I include the derivation if criteria and require it on plans I review. Several years ago I got sick of having plans come back with missing details and items so I created a check list based on NFPA requirements and things that should be included. Evolution of criteria is one of them.
Sent from my iPhone On Jan 27, 2010, at 8:20 AM, <[email protected]> wrote: > Bill, > > I agree. The basis of design for any system that is outside the > typical LH,OH, EH parameters should be shown on the drawings to > assist reviewers and AHJ's and others. You ever call someone who > had come up with a oddball criteria to ask them where the number > came from and they can't answer? Yeah my level of confidence in > their competency just dropped a bit. > > Also I'd list the Standard from which it came including year of > publication. > > But hey, it would be great if most designers would even take a > minute and look over their own drawing for clarity, completeness and > conformance to the bid package. > > > Craig L. Prahl, CET > Fire Protection Specialist > Mechanical Department > CH2MHILL > Lockwood Greene > 1500 International Drive > PO Box 491, Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > [email protected] > http://www.ch2m.com > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Bill > Brooks > Sent: Wednesday, January 27, 2010 8:13 AM > To: [email protected] > Subject: How the Heck Did You Come Up With 0.58 over 2000? > > Wouldn't it be nice if sprinkler shop drawings for storage > occupancies included a table or other method to show the derivation > of the design density/area of coverage/head selection etc. As a > suggestion, a table with the following data: > > Storage arrangement - Racks (single row, etc), shelf, bin box, solid > pile, etc Rack height - Storage height - Shelf type - Aisle width - > Commodity class - In-rack sprinklers - NFPA 13 table - NFPA 13 curve > - Correction for height - > > In other words, show the steps used by the designer to get to the > selected design parameters. > > Bill Brooks > > William N. Brooks, P.E. > Brooks Fire Protection Engineering Inc. > 372 Wilett Drive > Severna Park, MD 21146-1904 > 410-544-3620 > 410-544-3032 FAX > 412-400-6528 Cell > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:Sprinklerforum- > [email protected] > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:Sprinklerforum- > [email protected] > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
