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#93782 06/17/05 02:49 PM
Joined: Mar 2004
Posts: 55
E
eswets Offline OP
Member
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

2017 / 2014 NEC & Related Books and Study Guides
#93783 06/17/05 04:13 PM
Joined: Aug 2003
Posts: 1,374
R
Moderator
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
Joined: May 2003
Posts: 2,876
E
e57 Offline
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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
Joined: Jul 2002
Posts: 717
M
Member
NFPA ruling, the documentation is printed on the instructions that come with most smoke detectors.

#93786 06/18/05 07:23 AM
Joined: Oct 2000
Posts: 2,749
Member
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
Joined: Jan 2002
Posts: 163
D
Member
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
Joined: Aug 2003
Posts: 1,374
R
Moderator
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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