MANUAL OF NAVAL PREVENTIVE MEDICINE
c. Floors which are water flushed, receive discharges of water or
other fluid wastes, or are in areas where pressure spray methods of
cleaning are used must be made of nonabsorbent materials.
d. Carpeting may be used on the floors of dining areas. It must be of
closely woven, easily cleanable material and installed tightly against the
wall under the coaming or installed away from the wall with a space between
the carpet and the wall that permits easy cleaning of the space with the
edges of the carpet secured by metal stripping or some other means.
Carpeting must not be installed as a floor covering in food preparation
areas, food storage areas, ware washing areas, hand washing areas and
toilet room areas where urinals and toilets are located.
e. Supplemental flooring such as nonskid surfaces, mats and duckboards
must be designed to be easily cleanable, constructed of nonabsorbent
material and be grease resistant in areas exposed to large amounts of
grease and water. When used as a mat in areas not exposed to large amounts
of grease and water, they should be constructed of rubber/plastic backed
closely woven material. Supplemental flooring should be NSF listed or
f. All floors must be kept clean.
5-2.2 Walls and Ceilings (Bulkheads and Overheads)
a. The walls, wall coverings and ceilings in areas listed in section
5-2.1 must be nonabsorbent.
b. When concrete, pumice blocks, or bricks are used for interior wall
construction, they must be finished and sealed to provide a nonabsorbent,
easily cleanable surface.
c. Wall and ceiling covering materials must be attached and sealed so
they are easily cleanable.
d. Light fixtures, vent covers, wall mounted fans, decorative
materials and similar attachments to walls and ceilings must be easily
e. Studs, joists, rafters and piping in shore based facilities will
not be exposed in areas listed in section 5-2.1, except that studs, joists,
and rafters may be exposed in the overhead protection of outside service
areas. Piping may be
exposed aboard ship if it is finished to provide an easily cleanable
5-3 LIGHTING AND VENTILATION