Occupancy Definit ions Chapter 3
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Work exempt from permit
One-story detached accessory buildings limited to 120 square feet in area
Fences limited to 6 feet in height
Oil derricks
Movable cases and partitions limited to 5 feet1 9 inches in height
Retaining walls limited to 4 feet in height
Water tanks supported directly on grade, limited to 5000 gallons, and ratio of height to diamet - r does not exceed 2 to 1
Platforms, walks and driveways limited to 30 inches above grade
Painting, papering and sim ilar finish work
Temporary motion picture, television and theater stage sets and scenery
Window awnings for Group R-3 and U Occupancies when projecting not more than 54 inches
Prefabricated swimming pools accessory to Group R-3 Occupancies when capacity is limited to 5000 gallons
TYPE
CIMSI
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C lass Ill
SUMMARY OF UNIFORM BUILDING CODE STANDPIPE STANDARDS
INTENDED SIZE HOSE AND MINIMUM USE LOCATION WATf:R SUPPLY
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Heavy streams 2-1/2-inch connections. 500 gpm first standpipe Fire Department
Within each requir - e1 Trained p r onn I 250 gpm each additional Advanced stages of fire stairw y enclosur at every (2500 gpm maximum) floor above the first story. Each side of horizontal exit 30-minute duratloh wall, adjacent to exit opening. 100 psi at top outlet with
500 gpm flow
Small streams 1-112-inch connections. 100 gpm per building, Building occiJpants 30-minute duration Incipient fire All portion of ach tory or
ction within so feet of GS psi with i 00 gpm nozzle with 100 feet of flowing from topmost outlet hose.
Both of abov Same as class I with aaded Same as Class I 1-1/2-inoh outlets or 1-1 /2-inch adapters and 1-1/2-inch hose.
Distribution same as class II
Fire-Resistive Floor/Ceiling Assembly
Floor
\ Protective Ceiling Membrane with Protected Openings per Section 710.3
1. Individual protection not r quir d for be m which support only one floor or roof.
2. Individual protection required for beams which support loads from a floor and roof, or more than one floor.
3. All columns requiring fire protection must be protected for their full height.
Table 7-A Item No. 2-1.2
Steel Beams and Girders Anchor mesh to top plate
Concrete made with sandstone, granite or siliceous gravel
Edges of lugs brackets, rivets and bolt heads attach -d to structural members may extend to within 1 " of the surface of the fire protection
3-inch or finer mesh at 1 inch from finished m.trface min, .025 sq. in. of steel per foot each direction
Minimum thickness
Minimum Thickness (in inches) 4 Hr. 3 Hr. 2 Hr. 1 Hr. 2-1 /2 2 1-1/2 1
*36 11 Minimum
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_____ Openings located so that
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4 sphere cannot pass through
Greater than 30" above grade
*Exception for R-3 and U-1 Occupancies and within dwelling units or guests rooms of R-1 occupancies
4211 Minimum
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ROOF
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30 inches minimum
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FOUNDATION
SEPARATION WALL
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TYPE OF MINIMUM MINIMUM AMOUNT OF OCCUPANCY FIRE-RESISTIVE OPENING OPENING SEPARATION CONSTRUCTION . PROTECTION . PROTECTION
FOUR-HOUR FOUR~HOUR . NO OPENINGS NO OPENINGS FIRE-RESISTIVE PERMllTED PERMITTED
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MAXIMUM
THREE-HOUR 1 25'% OF WALL LENGTH
THREE-HOUR THREE-HOUR AND MAXIMUM FIRE-RESISTIVE 120 SQ. FT./OPENING1
TWOHOUR 1WO-HOUR ONE AND UNLIMITED FIRE-RESISTIVE ONE-HALF-HOUR
ONE-HOUR ONE-HOUR ONE-HOUR UNLIMITED FIRE-RESISTIVE
1 Applies only to openings in walls. All openings in floors shall be protected by vertical enclosures extending above and below such openings. The walls of such vertical enclosures shall be of not less than mo-hour fire-resistive construction and all openings therein shall be protected by a fire assembly having a one and one-half-hour fire-protection rating. See exception for use of a three-hour enclosure below the occypancy separation and a one~hour enclosure above the separation.
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2011 CLEAR
r MINIMUM -~ ,,.".!
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OPE NAB LE / AREA ,, ~ 5,J SO. FT. MfNtMUM .
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MINIMUM SIZE WINDOW FOR
20 11 CLEAR WIDTH
411.1 CLEAR
SILL HEIGHT 44" MAXIMUM
34" CLEAR . I
r' . ,..--;;-i '-.. OPENABLE .... -"'
AREA
5.7 SQ. Fr. /'"' MINIMUM ,
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MINIMUM SIZ~ WINDOW FOR 24" CLEAR HEIGHT
FLOOR
2411 CLeAR MINIMUM
Sleeping Room @
Smoke detectors In each sleeping room
Bleeping Room
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Bsth
Living Room
Smoke detector centrally located in corridor
Dining Room
Kitchen
Fl replace Opening 2 6 Sq . Ft.
Fireplac Opening < 6 Sq. Ft.
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FRO NT VIEW
WOOD STUD
MINIMUM
WOOD FRAMING MEMBERS (OR ANY
COMBUSTIBLE MATERIAL)
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PLAN FIREPLACE, SMOKE CHAMBER VI EW
OR CHIMNEY WALLS
~ 6"min . -=-- Combustible
Trim, etc.
- --- 2" MINIMUM
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10" min.
an min. if firebrick
2011 min., depth
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1/4ii max. joints
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Fa$tener sJacing Nails - 7" max~
) Ceiling Joists, ~- ~-Typical
Fastener Spacing l at Sidewalls: Nails - 8" max. Screws - 12" max. for
framing 24" o/c - 16" max. for
framing 16" o/c
Gypsum Board Parallel to Studs - --1-H--+---H-
Ceiling:
Gypsum Board Perpendicular to Studs
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FINISHED GRADE
NATURAL GRADE
1111 1111 1111 11111111
FOOTING
---WOOD SUBFLOOR
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WOOD JOLSTS, TYPICAL
WOOD GIRDER
* ACCESSIBLE UNDER FLOOR AREA SHALL BE PROVIDED WITH A MINIMUM18" X 24" OPENING UNOBSTRUCTED WITH PIPES, DUCTS OR SIMILAR CONSTRUCTION OPENING SHALL BE SCREENED OR COVERED
UNDER-FLOOR CLEARANCE
* WHERE FLOOR ASSEMBLIES ARE LESS THAN THE MINIMUM DIMENSIONS NOTED FOR WOOD FLOOR JOISTS AND GIRDERS, THE ENTIRE FLOOR ASSEMBLY SHALL BE APPROVED WOOD OF NATURAL RESISTANCE TO DECAY AS LISTED IN SECTION 2306.4, OR TREATED WOOD.
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12" Min.
34" to 38"
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Handrail
1211 Min.
I 3411 to 38 11
11" min. 9" min. for
private stairways serving
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Handrails (Permitted Projection into Required Width)
4411 Minimum ... Occupant Load of 50 or More
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3611 Minimum _,,. Occupant Load of 49 or Less "
.. Width Determined Par 1003.2
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