Section 1115

EXISTING GROUP I OCCUPANCIES [SFM]

tive social-care homes or facilities established prior to March 4, 1972 may have their use continued if they conform, or are made to conform, to the following provisions:

Type III, IV or V nonfire-rated construction may be as fol- lows: Nonambulatory—first floor only; Ambulatory—not higher than the third-floor level, provided walls and parti- tions are constructed of materials equal in fire-resistive qual- ity to that of wood lath and plaster in good repair and all walls are firestopped at each floor level.

two-story structures housing ambulatory guests, all interior stairs shall be enclosed in accordance with Chapter 10 of the California Building Code. In lieu of stairway enclosures,

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CONSTRUCTION REQUIREMENTS FOR EXISTING BUILDINGS

floor separations or smoke barriers may be provided in such a manner that fire and smoke will not spread rapidly to floors above or otherwise impair exit facilities. In these instances, floor separations or smoke barriers shall have a fire resis- tance equal to not less than ¹ /2-inch (13 mm) gypsum wall board on each side of wood studs with openings protected by not less than a 1 ³ /4-inch (44.5 mm) solid bonded wood-core door of the self-closing type. All other vertical openings shall be enclosed in accordance with the provisions of Sections 1114.6 and 1114.13.

used for the housing of existing protective social-care homes or facilities shall have access to not less than two exits in such a manner as to furnish egress from the building or struc- ture in the event of an emergency substantially equivalent to the provisions of Chapter 10 of the California Building Code.

corridors shall be protected by not less than 1 ³ /4-inch (44.5 mm) solid-bonded wood-core doors. Transoms and other similar openings shall be sealed with materials equivalent to existing corridor wall construction.

shall conform to the requirements for a Group R-1 Occu- pancy as specified in Chapter 8 of the California Building Code.

tems shall be installed in existing protective social-care occu- pancies in accordance with the provisions of Section 903.2.6 of the California Building Code.

shall be installed in existing protective social-care homes or facilities in accordance with the provisions of Section 907.2.6 of the California Building Code.

Exception: When an approved automatic sprinkler system conforming to Section 903.2.6 of the California Building Code is installed, a separate fire alarm system as specified in this section need not be provided.

ing or structure to become structurally unsafe or overloaded; will not provide adequate egress in compliance with the pro- visions of this code or will obstruct existing exits; will create a fire hazard; will reduce required fire resistance or will oth- erwise create conditions dangerous to human life.