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#93782 - 06/17/05 02:49 PM Smoke detecters  
eswets  Offline
Member
Joined: Mar 2004
Posts: 55
Lansing, IL, USA
In a basement that has a bedroom, that bedroom needs a smoke, but does the hall also need one?
What about mechanical rooms. The basement has two unfinished rooms on each side of the basement and an attic mechanical room. All have a furnace. Do they all need smoke detecters?
Thanks
Eric


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#93783 - 06/17/05 04:13 PM Re: Smoke detecters  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
You need a smoke alarm in each bedroom, directly outside of each bedroom, and at least one on each floor.


Ryan Jackson,
Salt Lake City

#93784 - 06/17/05 10:17 PM Re: Smoke detecters  
e57  Offline
Member
Joined: May 2003
Posts: 2,876
S.F.,CA USA
Ryan, do you have a referance for that? (quote if poss.)

I have a debate with someone on the need for one in a foyer/hall with no bedrooms near, and was wondering about the each floor wording.


Mark Heller
"Well - I oughta....." -Jackie Gleason

#93785 - 06/18/05 03:38 AM Re: Smoke detecters  
macmikeman  Offline
Member
Joined: Jul 2002
Posts: 717
Honolulu, Hawaii
NFPA ruling, the documentation is printed on the instructions that come with most smoke detectors.


#93786 - 06/18/05 07:23 AM Re: Smoke detecters  
Joe Tedesco  Offline
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Quote
NFPA 72, Fire Alarm Code

11.5.1.1 Smoke Detection. Where required by applicable laws, codes, or standards for the
specified occupancy, approved single- and multiple-station smoke alarms shall be installed as follows:

(1) In all sleeping rooms

Exception: Smoke alarms shall not be required in sleeping rooms in existing one- and two family dwelling units.

(2) Outside of each separate sleeping area, in the immediate vicinity of the sleeping rooms

(3) On each level of the dwelling unit, including basements

Exception: In existing one- and two-family dwelling units, approved smoke alarms powered
by batteries shall be permitted.

Commentary:

Although not required for existing construction, it is recommended that smoke alarms be located in all bedrooms, whether new or existing construction. The minimum siting requirement for existing construction is for a smoke alarm outside each separate sleeping area and on every level of the dwelling. This requirement can be met using multiple-station smoke alarms. In new construction, smoke alarms are required in each sleeping room as well as outside each separate sleeping area and on every level of the dwelling.

See Exhibit 11.3 for a typical multiple-station smoke alarm arrangement.


Joe Tedesco, NEC Consultant

#93787 - 06/19/05 09:24 PM Re: Smoke detecters  
dana1028  Offline
Member
Joined: Jan 2002
Posts: 163
San Carlos, CA
This is a building code issue...you are in IL?...on the "I-codes"?...if so, IRC (Int'l. Residential Code) section R313 spells out these requirements as Ryan listed...I think this section of the "I" code is pretty much identical to the 'Uniform' building code which is used in CA.


#93788 - 06/19/05 10:20 PM Re: Smoke detecters  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
Thanks Joe and David, I had forgot about this thread, so I didn't reply with my reference.


Ryan Jackson,
Salt Lake City


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