Bill,
It seems to me that you'd have to design for the highest commodity class.
This is from the California Fire Code, 2010, but I'd think the
modifications from the IFC in this section are minimal:
2304.1 General. High-piled storage areas, and portions of high-piled
storage areas intended for storage of a different commodity class than
adjacent areas, shall be designed and specifically designated to contain
Class I, Class II, Class III, Class IV or high-hazard commodities. The
designation of a high-piled combustible storage area, or portion thereof
intended for storage of a different commodity class, shall be
based on the highest hazard commodity class stored except as provided in
Section 2304.2.
The last sentence is what I would go by in your scenario.
PARSLEY CONSULTING
Ken Wagoner, SET
760.745.6181 voice
760.745.0537 fax
[email protected] <mailto:[email protected]> e-mail
www.ParsleyConsulting.com <http://www.ParsleyConsulting.com> website
Bill Brooks wrote:
Your question only asked about Class, but other factors are important.
I think this would be designed for Group A plastics because you haven't
provided enough information to provide other advice. Seems you have Class
IV and maybe encapsulated but you haven't mentioned this possibility. Of
course the mixed commodity approach could also be used to reduce the design
classification, but severe restrictions would be placed on stored quantities
and locations of the more hazardous materials. Under the 2007 edition the
roof height plays a role in determining densities if Roof Height - Storage
Height > 20 ft. Are you thinking about two approaches - one approach for
the 20 ft storage and one approach for the 6 ft storage? What about other
commodities such as flammable/combustible liquids? Is there an Owner's
Information Certificate?
Bill Brooks
William N. Brooks, P.E.
Brooks Fire Protection Engineering Inc.
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jim Adams
Sent: Wednesday, December 01, 2010 8:54 PM
To: [email protected]
Subject: Re: White Cap Contractors Supply
I have a question for the forum. We have a contract to retrofit an existing
building for a "White Cap Construction Supply". This company sells a wide
variety of items and no one item has a high concentration. Rack storage is
a maximum of 20'. Racks cover roughly 60 to 70 percent of the area and the
balance is cantilever racks 6' high. This has mixed Commodity Class with in
our opinion is class II, III, & IV, and possibly small areas of group "A"
plastics. What class should this be designed to ? If you are not familiar
with this company you can see there web site at www.whitecap.com. Any
advise would be appreciated.
Sincerely,
Jim Adams
Total Fire Systems
_______________________________________________
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)
_______________________________________________
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)
------------------------------------------------------------------------
No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.5.449 / Virus Database: 271.1.1/3292 - Release Date: 12/01/10 19:34:00
_______________________________________________
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)
