175.33 SECTION 713.3 AMENDED - MATERIALS.

Section 713.3, Materials, of the IBC, is hereby amended by deleting said section and inserting in lieu thereof the following:

Section 713.3 Materials Shaft enclosures shall be constructed of materials as described in Sections 713.3.1 and 713.3.2

175.34 SECTION 713.3.1 ADDITION - ONE-HOUR SHAFT ENCLOSURES.

Section 713.3.1, One-Hour Shaft Enclosures, of the IBC, is hereby established by adding the following section:

Section 713.3.1 One-hour Shaft Enclosures Shafts that are allowed to have a fire resistance rating of 1 hour or less are allowed to be constructed of materials permitted by the building type of construction.

175.35 SECTION 713.3.2 ADDITION - TWO-HOUR SHAFT ENCLOSURES.

Section 713.3.2, Two-Hour Shaft Enclosures, of the IBC, is hereby established by adding the following section:

Section 713.3.2 Two-Hour Shaft Enclosures Shafts that are required to have a fire resistance rating of 2 hours or more serving Interior Exit Stairs or Interior Exit Ramps shall be constructed of concrete or masonry for types III, IV and V construction. Interior Exit Stairs or Interior Exit Ramps in type I and II construction and all other shafts that are required to have a fire resistance rating of 2 hours or more shall be constructed of non-combustible materials.

175.36 SECTION 903.2.11.1.3 AMENDED - BASEMENTS .

Section 903.2.11.1.3, Basements, of the IBC, is hereby amended by deleting said section and inserting in lieu thereof the following:

Section 903.2.11.1.3 Basements Where any portion of a basement is located more than 75 feet (22 860 mm) from openings required by Section 903.2.11.1, the basement shall be equipped throughout with an approved automatic sprinkler system.

175.37 SECTION 903.4.2 AMENDED - ALARMS.

Section 903.4.2, Alarms, of the IBC, is hereby amended by deleting said section and inserting in lieu thereof the following section:

Section 903.4.2 Alarms An approved weather proof audible device suitable for outdoor use with 110 candela visual signal shall be connected to every automatic sprinkler system. Such sprinkler water-flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Alarm devices shall be provided on the exterior of the building in an approved location. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system.

175.38 SECTION 907.1.4 ADDITION - FACP (Fire Alarm Control Panels).

Section 907.1.4, FACP ) Fire Alarm Control Panels) is hereby established by adding the following section and exception:

Section 907.1.4 FACP (Fire Alarm Control Panels) Each building shall have no more than 1 FACP.
Installation of fire alarm panel shall be not exceed six feet in height measured from the floor to the top of the unit.

Exception: Suppression system releasing panels are not required to meet the height requirement or the limitation in the number of panels.

175.39 SECTION 907.2.24 ADDITION - GROUP R-4.

Section 907.2.24, Group R-4, of the IBC, is hereby established by adding the following section:

Section 907.2.24 Group R-4 Fire alarm systems and smoke alarms shall be installed in Group R-4 occupancies as required in Sections 907.2.24.1 through 907.2.24.3.

907.2.24.1 Manual fire alarm system.

A manual fire alarm system that activates the occupant notification system in accordance with Section 907.5 shall be installed in Group R-4 occupancies.

Exceptions:

1.   A manual fire alarm system is not required in buildings not more than two stories in height where all individual sleeping units and contiguous attic and crawl spaces to those units are separated from each other and public or common areas by not less than 1-hour fire partitions and each individual sleeping unit has an exit directly to a public way, egress court or yard.

2.   Manual fire alarm boxes are not required throughout the building where all of the following conditions are met:

2.1.   The building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2.

2.2.   The notification appliances will activate upon sprinkler water flow.

2.3.   Not fewer than one manual fire alarm box is installed at an approved location.

3.   Manual fire alarm boxes in resident or patient sleeping areas shall not be required at exits where located at all nurses' control stations or other constantly attended staff locations, provided such stations are visible and continuously accessible and that the distances of travel required in Section 907.4.2.1 are not exceeded.

907.2.24.2 Automatic smoke detection system.

An automatic smoke detection system that activates the occupant notification system in accordance with Section 907.5 shall be installed in corridors, waiting areas open to corridors and habitable spaces other than sleeping units and kitchens.

Exceptions:

1.   Smoke detection in habitable spaces is not required where the facility is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1.

2.   An automatic smoke detection system is not required in buildings that do not have interior corridors serving sleeping units and where each sleeping unit has a means of egress door opening directly to an exit or to an exterior exit access that leads directly to an exit.

907.2.24.3 Smoke alarms.

Single and multiple station smoke alarms shall be installed in accordance with Section 907.2.10.