1164/1164NS Installation and Programming Guide 19
NFPA 72 GUIDELINES
Total (Complete) Coverage
If required, total coverage shall include all rooms, halls, storage areas, basements, attics,
lofts, spaces above suspended ceilings, and other subdivisions and accessible spaces; and
the inside of all closets, elevator shafts, enclosed stairways, dumbwaiter shafts, and chutes.
Inaccessible areas shall not be required to be protected by detectors. (For exceptions,
refer to NFPA 72.)
Partial Coverage
If required, partial detection systems shall be provided in all common areas and work
spaces, such as corridors, lobbies, storage rooms, equipment rooms, and other tenantless
spaces in those environments suitable for proper detector operation in accordance with
this code.
Selective Coverage
Where codes, standards, laws, or authorities having jurisdiction require the protection of
selected areas only, the specified areas shall be protected in accordance with this code.
Supplementary (Non required) Coverage
Where installed, detection that is not required by an applicable law, code, or standard,
whether total (complete), partial, or selective coverage, shall conform to the requirements
of this code. (For exceptions, refer to NFPA 72 Spacing Requirements.) Where non
required detection devices are installed for a specific hazard, additional non required
detection devices shall not be required to be installed throughout an entire room or
building.
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