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SECTIONS 1301-1304 • UNIFORM BUILDING CODE { 1970 EDITION i:
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<br /> • SECTIONS 1304.1305 €'
<br /> Door openings from guest rooms to public corridors shall Exit i`
<br /> CHAPTER 13—REQUIREMENTS FOR GROUP H OCCUPANCIES be protected with a fire-protection assembly as specified in Facilities •
<br /> Section 3304. (Continued) 4 },
<br /> Group H Sec. 1301. Group H Occupancies shall be: Every sleeping room below the fourth floor shall have at
<br /> Occupancies least one window or exterior door.approved for emergency
<br /> Defined Hotels and apartment houses. exit or rescue. Where windows are provided they shall have a
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<br /> '' sill hei t
<br /> Convents and monasteries (each accommodating more eight not more than 48 inches above the floor.
<br /> than 10 persons). Windows with an area of not less than 5 square feet with no
<br /> dimension less than 22 inches shall be deemed to meet the
<br /> For occupancy separations see Table NG.5-B. requirements of this Section provided sill heights are not over
<br /> 48 inches above the floor.
<br /> For occupant load see Section 3301. it
<br /> Sec. 1305. (a) Light and Ventilation. All guest rooms, Light, ,i
<br /> Construction, Sec. 1302. (a) General. Buildings or parts of buildings dormitories, and habitable rooms within a dwelling unit shall Ventilation, #!
<br /> Height,and classed in Group H because of the use or character of the oc- ;4 be provided with natural light by means of windows or sky- and
<br /> Allowable Area cupancy shall be limited to the types of construction set forth - fights with an area of not less than one-tenth of the floor area Sanitation i'
<br /> in Tables No. 5-C and No. 5-D and shall not exceed, in area of such rooms with a minimum of 12 square feet. All bath- `Ii.; I
<br /> or height, the limits specified in Sections 505, 506 and 507. rooms, water closet compartments, laundry rooms, and similar l(;i
<br /> frooms shall be provided with natural ventilation by means of
<br /> windows or skylights with an area of not less than one-tenth it,.,
<br /> (b) Special Provisions. Group H Occupancies, more than ,•, of the floor area of such rooms with a minimum of 3 s •NY
<br /> two stories in height or having more than 3000 square feet of quare
<br /> floor area above the first story,shall be not less than one-hour feet.
<br /> fire-resistive construction throughout. , Not less than one-half of the required window or skylight �-
<br /> area shall be openable to provide natural ventilation. i
<br /> EXCEPTION: Dwelling units within an apaament house ,••••:•.„ a In lieu of openable windows for natural ventilation, a me- i ' (
<br /> not over two stories in height may have nonbearing walls of chanical ventilation system ma be "
<br /> unprotected construction, provided the units are separated Y y provided. Such system •ta "
<br /> p shall be capable of providing two air changesper
<br /> - - from each other and from corridors by construction havinghour in all 'd14,
<br /> a fire-resistance rating of not less than one hour. Openings guest rooms, dormitories, habitable rooms, and in public cor- "
<br /> to such corridors shall be equipped with smoke or draft stop 5 ridors. One-fifth of the air supply shall be taken from the out- 1,
<br /> doors conforming to Section 3304 (g) or other equivalent side.In bathrooms,water closet compartments,laundry rooms, If;�
<br /> protection. and similar rooms a mechanical ventilation system connected ! r
<br /> , directly to the outside, capable of providing five air changes 111
<br /> For attic space partitions and draft stops see Section 3205. 7, per hour, shall be provided. i 1;(_
<br /> For the purpose of determining light and ventilation require- (Ili,
<br /> require-
<br /> ments, anyroom mayI,a;,,
<br /> Location on Sec. 1303. For fire-resistive protection of exterior walls be considered as a portion of an adjoin- �.
<br /> Property and openings, as determined by location on property, see mg room when one-half of the area of the common wall is open I #'a
<br /> Section 504 and Part V. l 1
<br /> 477, and unobstructed and. provides an opening of not less than 1 `lr
<br /> I one-tenth of the floor area of the interior room or 25 square i
<br /> feet,whichever is greater. i ;:If
<br /> Exit Sec. 1304. Stairs, exits, and smokeproof enclosures shall Required windows shall open directlyonto a street or public
<br /> Facilities be as specified in Chapter 33. ,# n� alley ora yard or court located on the sme lot as the building. i i= 1
<br /> All stairs and exits in Group H Occupancies shall open di- EXCEPTION: Required windows may open into a roofed I is
<br /> redly upon a street or alley or upon a yard or court not less porch where the porch: • 3 ,1-
<br /> than 4 feet in width directly connected to a street or alley by x 1. Abuts a street, yard, or court; and 'ti} i1 `
<br /> means of a passageway not less in width than the stairway 2. Has a ceiling height of not less than 7 feet; and I -
<br /> opening into such passageway and not less than 7 feet in ., • 3. Has the longer side at least 65 per cent pen and 1 L F z
<br /> height. unobstructed. `�
<br /> Buildings more than one story in height shall have no, '�, (b) Sanitation. Every building shall be provided with at
<br /> transoms or ventilating openings from guest rooms to public. 4;„-,leastone water closet.Every hotel and each subdivision there-
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<br /> corridors.
<br /> 'Of where both sexes are accommodated shall be provided with j
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