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REQUIREMENTS FOR WINDOWLESS STORIES / BASEMENTS

5:70—4.7 Fire suppression systems

(h) In all buildings, any windowless basement or story located below the seventh story shall be equipped through­out with an automatic fire suppression system installed in accordance with the New Jersey Uniform Construction Code.

1. Stories or basements shall not be considered win­dowless when there is provided on at least one side of

such story or basement fire fighter access through open­ings, such as windows, doors or access panels, that are located entirely above the adjoining grade level.

2. Such openings shall be at least:

i. 32 inches by 48 inches in size, spaced not more than 100 feet apart in each story or basement; or

ii. 22 inches by 42 inches in size, spaced not more than 30 feet apart in each story or basement.

3. All openings for fire fighter access shall conform to all the following:

i. Openings shall be unobstructed to allow fire fight­ing and rescue operations from the exterior; and

ii. Openings in stories at or above grade shall have a sill height of not more than 36 inches as measured from the finished floor level. Openings in basements shall have no sill height restrictions; and

iii. Openings shall be readily identifiable and open­able from the outside or shall be glazed with plain flat glass.

4. When openings in a story are provided on only one side and the opposite wall of such story is more than 75 feet from such openings, the story shall be considered windowless unless openings as specified above are provid­ed on at least two sides of the exterior walls of the story.

5. If any portion of a basement is located more than 75 feet from openings as specified above, the basement shall be considered windowless.

6. Windowless basements not exceeding 3,000 square feet in area shall be exempt from this automatic suppres­sion requirement, provided a supervised automatic fire alarm system shall be installed in accordance with the New Jersey Uniform Construction Code.

7. In windowless basements greater than 3.000 square feet, but not exceeding 10,000 square feet in area, the required suppression system need not be connected to a water supply other than an existing domestic supply if the following conditions are met:

i. The suppression system shall be provided with a fire department connection, which shall be marked with a sign reading “Basement Area Sprinkler Water Sup­ply”; and

ii. A supervised automatic fire alarm system shall be installed in accordance with the New Jersey Uniform Construction Code.

(i) In all buildings of Use Group R—1 or portions thereof when separated in accordance with (1) below, not required by N.J.A.C. 5:70—4.17 to have a complete automatic fire suppression system, all storage and workshop rooms and rubbish, laundry and similar rooms shall be equipped with a suppression system or smoke detector system connected to an approved continuously staffed location in the building. Such systems shall be installed in accordance with the New Jersey Uniform Construction Code.

(j) All dormitories, as defined in this chapter at N.J.A.C. 5:70—1.5, or portions thereof when separated in accordance with (1) below, shall be equipped throughout with an auto­matic fire sprinkler system installed in accordance with the New Jersey Uniform Construction Code.

(k) Fire suppression systems required by this Code shall be supervised by one of the following methods as deter­mined by the fire official:

1. Approved central station system in accordance with NFiPA 71;

2. Approved proprietary system in accordance with NFiPA 72D;

5:70—4.7 COMMUNITY AFFAIRS

3. Approved remote station system of the jurisdiction in accordance with NFiPA 72C; or

4. Approved local alarm service which will cause the sounding of an alarm in accordance with NFiPA 72A;

5. The following are exceptions to (k) above:

i. Underground gate valves with roadway boxes;

ii. Halogenated extinguishing systems:

iii. Carbon dioxide extinguishing systems;

iv. Dry chemical extinguishing systems; and

v. Limited area sprinkler systems.

(1) In buildings containing mixed uses, one or more of which requires automatic suppression in accordance with this section, suppression will not be required throughout the building, provided that the uses requiring suppression are separated from those not requiring suppression by fire resistive construction having a minimum one hour rating. In Use Group H, the rating is to be increased to two hours.

Amended by R.1987 d.247, effective June 15, 1987.

See: 18 NJ.R. 1225(a), 19 N.J.R. 1078(a).

New (b) through (k) added with (h) reserved.

Correction to rule, see 19 N.J.R. 1190(a).

Amended by R.1987 d.373, effective September 21, 1987.

See: 19 N.J.R. 1023(a), 19 N.J.R. 1720(a).

(h): deleted condition concerning resident access to rooms above second story.

Amended by R.1989 d.556, effective November 6, 1989.

See: 21 N.J.R. 2431(a), 21 N.J.R. 3453(a). New (h) and (k) added.

Amended by R.1992 d.104, effective March 2, 1992.

See: 23 N.J.R. 3552(a). 24 N.J.R. 739(a).

Ventilating hood and duct added at (g), supervised system installa­tion requirements added at (h).

Amended by R.1992 d.405, effective October ic, 1992.

See: 24 NJ.R. 1938(a), 24 N.J.R. 3723(h).

Exceptions to A—2 with load over 50 added at Ii and ii. Amended by R.1993 d.197, effective May 3. 1993.

See: 25 N.J.R. 393(a), 25 N.J.R. 1868(a).

Added (a)2; deleted (c)9 and added new text.

Emergency amendment, R.2000 d.402, effective September 8, 2000 (to expire November 7, 2000).

See: 32 N.J.R. 3647(a)

Added (j); recodified former (j) and (k) as (k) and (1); and amended internal references throughout.