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More Concepts on Code Requirements For Residential
Tue 27 Oct 2009 - 16:16
More Concepts on Code Requirements For Residential
By [http://ezinearticles.com/?expert=Sally_Wide]Sally Wide
In a new construction, smoke detectors are to be powered by building wiring but equipped with backup battery. If there are additions or alterations (particularly sleeping rooms being added), the entire building shall have smoke detectors. In existing buildings, smoke detectors may be solely battery-operated.
Fire warning system (smoke alarms): Each dwelling must have smoke detectors in each sleeping room and the corridor to sleeping rooms, at each story (close proximity to stairways), and basement.
Exits:
Doors:
(a) At least one entry door shall be 3 Feet wide by 6 Feet-8 Inches high.
(b) There must be a floor or landing at each side of each door, not more than 1.5 Inches below door.
c) At exterior, doors may open at the top step; if door swings away from step and step or landing is not lower than 8 Inches, the landing must be the width of stair or door and 36 Inches deep.
Emergency exits:
(a) Sleeping rooms and basements with habitable space shall have at least one door or operable window.
(b) The window shall be operable from the inside and have a minimum clear opening of 5 SF at grade or 5.7 SF (24 Inches high min., 20 Inches wide Building Laws 89 min.) and sill shall not be higher than 44 Inches above floor.
(c) Bars, grilles, or grates may be installed provided they are operable from inside.
(d) Windows, below grade, shall have a window well.The window shall be 9 SF clear opening, min., and 36 Inches min. dimension. When the well is deeper than 44InchesÂ, must provide ladder or steps.
Stairs:
(1) Min. width = 36 Inches
(2) Max. rise: 73.4 Inches.
(3) Min. run (tread): 10 Inches.
(4) Variation in treads and risers = 3.8 Inches max.
(5) Winders: require 10 Inches-wide tread at 12 Inches out from narrow side, but never less than 6 Inches width at any point.
(6) Spiral stairs to have 26 Inches min. clear width. Tread at 12 Inches from center to be 71.2 Inches. Max. riser = 91.2 Inches Min. headroom = 6 Feet-6 Inches.
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Article Source: http://EzineArticles.com/?expert=Sally_Wide http://EzineArticles.com/?More-Concepts-on-Code-Requirements-For-Residential&id=3108306
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