A.
Mobile home design and construction shall conform to generally accepted
standards of the mobile home industry.
B.
Materials, assemblies and equipment shall conform to generally accepted
standards with respect to strength, durability, corrosion and fire
resistance and other qualities recognized under such standards.
C.
Habitable and nonhabitable space shall be arranged, located, lighted
and ventilated so as to be appropriate for the intended use.
D.
Mechanical systems and equipment shall be designed, installed and
located so that under normal conditions of use such systems and equipment
shall be capable of functioning safely and efficiently without being
forced to operate beyond the designed capacity.
E.
Equipment requiring operation, inspection or maintenance shall be
located so that easy access to it is provided.
F.
Plumbing, heating and electrical systems shall be properly connected
to approved sources of supply when a mobile home is in a fixed location
and occupied for living purposes.
G.
Mobile home units, including mechanical systems and equipment, shall
be maintained and operated so as to be free of conditions conducive
to personal injury or detrimental to health or welfare.
Mobile homes shall be structurally sound, effectively insulated
and capable of sustaining designed dynamic loading.
A.
Body and body framing.
(1)
Body frames shall be designed and constructed as complete units.
Wall and floor surfaces shall be firmly attached to body framing members.
Doors and windows shall be securely framed in place. Framing and exterior
skin shall be surface treated or painted to prevent deterioration.
(2)
Roofs shall be pitched for proper drainage and shall be weathertight.
Roof decks shall be of metal or noncombustible materials.
(3)
Wood body framing shall be of seasoned lumber and shall provide adequate
support and rigidity. Members shall be joined so as to ensure permanent
attachment to each other.
(4)
Metal body framing shall be of structural formed sections, riveted,
bolted or welded together. Where different metals are joined, precaution
shall be taken to prevent electrolytic action.
(5)
Insulation of floors, roof and exterior walls shall consist of noncombustible
materials.
(6)
Ventilation shall be provided to minimize deterioration of structural
members from condensation or other causes.
B.
Chassis.
(1)
Chassis shall extend substantially the length of the body and shall
be capable of supporting the live and dead loads to which subjected.
(2)
Tongue or drawbar shall be secured to the chassis and shall be capable
of supporting the weight of the forward end of the mobile home. If
designed to support gas cylinders, the tongue shall be of sufficient
strength and shall permit secure attachment.
(3)
Hitch shall be securely attached to the tongue so as to become an
integral part of the tongue.
(4)
Axles, spring assemblies and wheels shall be capable of supporting
the calculated loads.
C.
Placement. Placement of mobile home on mobile home stand by jacks
or supports shall be such as to ensure the retention of the mobile
home in a fixed position.
A.
Maximum occupancy. The maximum number of occupants of a mobile home
shall be limited to the number determined on the basis of the square
feet of the floor area of habitable space, exclusive of habitable
space used for cooking purposes, in accordance with the following:
150 square feet for one or two occupants; 250 square feet for three
occupants; and 80 square feet additional for each occupant thereafter.
B.
Height of habitable space. Habitable space shall have a minimum ceiling
height of seven feet over 50% of the floor area, and the floor area
where the ceiling height is less than five feet shall not be considered
in computing gross floor area.
C.
Bathrooms and toilet rooms. Bathrooms and toilet rooms shall have
provisions for privacy and shall be provided with floors of moisture-resistant
material.
D.
Prohibited uses. Bathrooms, toilet rooms, kitchens and kitchenettes
shall not be used for sleeping purposes.
E.
Exits. A mobile home shall have a safe and unobstructed primary exit
and an emergency exit located remote from the primary exit.
A.
Habitable space. A mobile home shall be provided with natural light and ventilation adequate for the intended use of each habitable space in accordance with the following: Window area shall equal at least 10% of the floor area of each habitable space, and openable area of windows and other openings used for natural ventilation of each habitable space shall equal at least 45% of the required window area, or mechanical ventilation shall be provided as set forth in § 174-11B(16).
B.
Nonhabitable space. A mobile home shall be provided with light and
ventilation adequate for the intended use of nonhabitable space in
accordance with the following:
(1)
Kitchenettes, bathrooms and toilet rooms shall be provided with light
of sufficient intensity and so distributed as to permit the maintenance
of sanitary conditions and the safe use of the space and the appliances,
equipment and fixtures.
(2)
Kitchenettes, bathrooms and toilet rooms shall be provided with natural ventilation consisting of openable areas of not less than 1 1/2 square feet for bathrooms and toilet rooms and not less than three square feet for kitchenettes, or mechanical ventilation shall be provided as set forth in § 174-11B(16).
A.
Plumbing.
(2)
Hot and cold water supply shall be provided at kitchen sink, bathtub
or shower and lavatory. Cold water shall be supplied to water closet.
(3)
Plumbing systems shall be designed and arranged so as to facilitate
connecting to approved exterior water supply and sewage disposal systems,
provide adequate water supply to all plumbing fixtures and dispose
of all liquid wastes therefrom.
B.
Heating, ventilating and air conditioning.
(1)
A mobile home shall contain space-heating equipment and water-heating
equipment.
(2)
Areas allocated for installation of space-heating and water-heating
equipment shall provide adequate clearance so that the surface of
adjacent combustible materials will not exceed a safe temperature.
Curtains and draperies shall not be used in such areas.
(3)
Space- and water-heating units shall be of an approved type for installation
in a mobile home. Fuel-burning water heaters and furnaces, other than
those having a sealed combustion space, shall not be located in sleeping
rooms, bathrooms and toilet rooms.
(4)
Space-heating units shall have sufficient capacity to maintain a
minimum inside temperature of 70° F. based on the average of the
recorded annual minimum outside temperatures for the locality and
shall be provided with manual or automatic temperature control devices.
(5)
Water-heating units shall have sufficient capacity to deliver at
each hot-water outlet an ample supply of water at a minimum temperature
range of 130° to 140° F., and such units shall be provided
with safety devices arranged to relieve hazardous pressures and excessive
temperatures.
(6)
Electrical space- and water-heating equipment shall be of an approved
type and shall have adequate circuit protection devices.
(7)
Gas and liquid fuel-burning equipment shall be specifically designed
for the type of fuel used. Flues and vents shall be suitable for the
type of fuel used and shall be installed so that the surface of adjacent
combustible material will not exceed a safe temperature.
(8)
Automatically operated heat-producing equipment using utility gas
shall have a valve that will automatically shut off the flow of gas
to the main burner when the pilot flame is extinguished.
(9)
Automatically operated heat-producing equipment using liquefied petroleum
gas shall have a valve that will automatically shut off the flow of
gas to the pilot light and main burner when the pilot flame is extinguished.
(10)
Fuel-burning space- and water-heating units shall be vented.
Other fuel-burning equipment shall be vented where the discharge of
products of combustion into the space where the equipment is installed
would be unsafe.
(11)
Liquid fuel-burning equipment shall be vented and shall be provided
with means to prevent spilling of fuel.
(12)
Fuel storage containers and gas cylinders shall be mounted outside
the mobile home or in space that is vented to the outside and is vaportight
to the inside.
(13)
Warm-air supply ducts and fittings shall be of noncombustible
material.
(14)
Return air ducts shall be of noncombustible material where exposed
to temperatures which are unsafe for combustible materials.
(15)
Return air grilles in doors and partitions shall be of a permanent,
nonclosable type. Openings for return air shall not be located in
bathrooms, toilet rooms or kitchenettes.
C.
Electrical.
(1)
A mobile home shall contain an electrical wiring system and service
equipment.
(2)
Electrical wiring shall have adequate capacity for designed lighting
and appliance equipment. Individual circuits shall contain overload
protection devices.
(3)
At least one receptacle outlet shall be provided for each multiple
of 12 linear feet of wall space or major fraction thereof in each
habitable space and kitchenette. Bathrooms and toilet rooms shall
have permanently installed lighting fixtures and switches located
so as not to be an electrical hazard.
(4)
Exterior equipment shall be weatherproofed to ensure protection of
equipment from the elements. Service equipment shall have means for
quick disconnection from the source of supply.
(5)
Provision shall be made for grounding non-current-carrying metallic
parts of the electrical system. Such grounding shall be common to
one external supply point. Provision shall be made for exterior source
grounding of electrical system.
D.
Cooking and refrigeration.
(1)
A mobile home shall contain cooking equipment and refrigeration equipment.
(2)
Electrical cooking and refrigeration equipment shall be of an approved
type for installation in a mobile home and shall have adequate circuit
protection devices.
(3)
Gas-burning cooking and refrigeration equipment shall be of an approved
type for mobile home installation, and connection to rigid pipe shall
be made with approved flexible metal gas appliance connectors.
(4)
Fuel storage shall conform to the requirements of fuel storage for
heating.
A mobile home shall be maintained in a safe and sanitary condition.
A.
Interior. Floors, walls, ceilings, furnishings and fixtures shall
be maintained in a clean and sanitary condition. Exits shall be maintained
free of obstructions.
B.
Garbage and refuse. Suitable containers shall be provided for the
temporary storage of garbage and refuse within the mobile home.
C.
Screenings. From May 1 to October 1, entrances to the mobile home
shall be provided with self-closing-type devices or screens, and windows
and other openings used for ventilation shall be appropriately screened.
D.
Extermination. Mobile homes shall be maintained free of insects,
vermin and rodents. Extermination shall be effected in conformance
with generally accepted practice.
E.
Flammable materials. Flammable cleaning liquids and other flammable
materials shall be stored in a safe, approved manner.
