|Adopt Entire Chapter|
|Adopt Entire Chapter as amended (amended sections listed below)|
|Adopt only those sections that are listed below|
The Office of the State Fire Marshal's adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.
Manufactured/Mobile Home. A structure transportable in one or more sections, which in the traveling mode is 8 feet (2438 mm) or more in width and 40 feet (12192 mm) or more in length or, where erected on site, is 320 square feet (29.73 m2) or more, and which is built on a permanent chassis, and designed to be used as a dwelling with or without a permanent foundation where connected to the required utilities. It includes the plumbing, heating, air conditioning, and electrical systems contained therein. For further clarification of definition, see Federal Regulation 24 CFR.
Manufactured/Mobile Home Accessory Building or Structure. A building or structure that is an addition to or supplements the facilities provided to a M/H. It is not a self-contained, separate, habitable building or structure. Examples are awnings, cabanas, ramadas, storage structures, carports, fences, windbreaks, or porches.
Manufactured/Mobile Home Lot. A portion of a M/H park designed for the accommodation of one M/H and its accessory buildings or structures for the exclusive use of the occupants.
Manufactured/Mobile Home Park. A parcel (or contiguous parcels) of land that has been so designated and improved that it contains two or more M/H lots available to the general public for the placement thereon of M/H for occupancy.
Recreational Vehicle (RV). A vehicular-type unit primarily designed as temporary living quarters for recreational, camping, travel, or seasonal use, that either has its own motive power, or is mounted on or towed by another vehicle. The basic entities are camping trailer, fifth-wheel trailer, motor home, park trailer, travel trailer, and truck camper.
Recreational Vehicle Park. A plot of land upon which two or more recreational vehicle sites are located, established, or maintained for occupancy by recreational vehicles of the general public as temporary living quarters for recreation or vacation purpose.
Recreational Vehicle Site. Within a recreational vehicle park, a plot of ground intended for the accommodation of a recreational vehicle, a tent, or other individual camping unit on a temporary basis.
- Plot plan of the park drawn to scale, indicating elevations, property lines, driveways, existing or proposed buildings, and the sizes of M/H lots.
- Complete specification and piping layout of proposed plumbing systems or alteration.
- Complete specification and layout of proposed sewage disposal system or alteration.
- The nature and extent of the work proposed, showing clearly that such work will conform to the provisions of this code.
|SIZES OF DRAINAGE
OF FIXTURE UNITS
* Except six unit fixtures
(per 100 feet)
(per 100 feet)
Exception : Gas supply connections for manufactured homes located on all-weather wood, concrete, concrete block foundation systems or on foundations constructed in accordance with the local building code or, in the absence of a local code, with a recognized model building code. [NFPA 501A:4.1.3]
- The conduit shall be not less than Schedule 40 pipe that is approved for underground installation beneath buildings.
- The interior diameter of the conduit shall be not less than 1/2 of an inch (15 mm) larger than the outside diameter of the gas piping.
- The conduit shall extend to a point not less than 4 inches (102 mm) beyond the outside wall of the M/H, accessory building, or structure, and the outer ends shall not be sealed.
- Where the conduit terminates within a M/H, accessory building, or structure, it shall be accessible, and the space between the conduit and the gas piping shall be sealed to prevent leakage of gas into the building. [NFPA 501A:188.8.131.52 - 184.108.40.206.4]
Exception: Gas shutoff valves for manufactured homes located on foundations constructed in accordance with the local building code or, in the absence of a local code, with a recognized model building code. [NFPA 501A:4.2.2]
- Where amphoteric metals are included in a buried or submerged pipcline containing a metal of different anodic potential the following protection shall be provided:
- The buried or submerged pipeline shall be cathodically protected at a negative (cathodic) voltage of 0.85 volt measured between the structure surface and a saturated copper-copper sulfate half cell contacting the electrolyte.
- The amphoteric metals shall be electrically isolated from the remainder of the pipeline with insulating flanges, or equivalent, and cathodically protected.
- The amount of cathodic protection shall be such that the protective coating and the pipe are not damaged.
|BRITISH THERMAL UNITS PER
HOUR PER M/H SITE
* In extreme climate areas, additional capacities shall be considered.
Seamless copper or steel tubing shall be permitted to be used with gases not corrosive to such material. Steel tubing shall comply with ASTM A254. Copper tubing shall comply with ASTM B88 or ASTM B280. Copper tubing (unless tin-lined) shall not be used where the gas contains more than an average of 0.3 grains of hydrogen sulfide per 100 standard cubic feet (sct) of gas (0.7 mg/100 L). [NFPA 501A:220.127.116.11]
- Supply from an outside underground tank (see Section E 413.6).
- Supply from a centralized oil distribution system designed and installed in accordance with accepted engineering practices and in accordance with NFPA 31.
- Supply from an outside aboveground tank (see Section E 413.6). [NFPA 501A:4.3.9]
- The main distribution pipeline shall be permitted to be connected to a tank or tanks having an aggregate capacity not to exceed 20000 gallons (75708 L) at a point below the liquid level.
- Where this piping is so connected, a readily accessible internal or external shutoff valve shall be installed in the piping as close as practicable to the tank.
- Where external and aboveground, the shutoff valve and its tank connections shall be made of steel.
- Connections between the tank(s) and the main pipeline shall be made with double swing joints or flexible connectors, or shall otherwise be arranged to permit the tank(s) to settle without damaging the system.
- Where located aboveground, the connections shall be located within the diked area.
- A readily accessible and identified manual shutoff valve shall be installed in each branch supply pipeline that enters a building, mobile home, travel trailer, or other structure. This valve shall be permitted to be either inside or outside of the structure. Where outside, the valve shall be protected from weather and damage. Where inside, the valve shall be located directly adjacent to the point at which the supply line enters the structure.
- A device shall be provided in the supply line at or ahead of the point where it enters the interior of the structure that will automatically shut off the oil supply, where the supply line between this device and the appliance is broken. This device shall be located on the appliance side of the manual shutoff valve. This device shall be solidly supported and protected from damage.
- Means shall be provided to limit the oil pressure at the appliance inlet to not exceed 3 pounds-force per square inch gauge (psig) (21 kPa). Where a pressure-reducing valve is used, it shall be a type approved for the service.
- A device shall be provided that automatically shuts off
the oil supply to the appliance where the oil pressure at
the appliance inlet exceeds 8 psig (55 kPa).
- Where the distribution system is supplied from a gravity tank and the maximum hydrostatic head of oil in the tank is such that the pressure at the appliance inlet shall not exceed 8 psig (55 kPa).
- Where a means is provided to automatically shut off the oil supply where the pressure-regulating device fails to regulate the pressure as required.
- Appliances equipped with primary safety controls specifically listed for the appliance shall be connected to a centralized oil distribution system. [NFPA 31:9.2.10 - 9.2.15]
Exception: Gas supply connections for manufactured homes located on an all-weather wood, concrete, concrete block foundation system or on a foundation constructed in accordance with the local building code or, in the absence of a local code, with a recognized model building code. [NFPA 501A:4.4.1]
W A R N I N G
Do not overpressurize the fuel gas piping system. Damage to valves, regulators, and appliances is capable of occurring due to pressurization beyond the maximums specified. [NFPA 501A:18.104.22.168]
Doors to the exterior shall open outward, be self closing, and shall be visually screened by means of a vestibule or wall to prevent direct view of the interior where the exterior doors are open. Such screening shall not be required on single toilet units.
- A minimum of 25 gallons (95 L) per day per site for sites without individual water connections.
- A minimum of 50 gallons (189 L) per day per site for sites with individual water connections.
- A minimum of 50 gallons (189 L) per day per site where water-supplied water closets are provided in restrooms.
The drainage system inlet shall consist of a 4 inch (102 mm), self-closing, foot-operated hatch of approved material with the cover milled to fit tight. The hatch body shall be set in the concrete of the slab with the lip of the opening flush with its surface to facilitate the cleansing of the slab with water. The hatch shall be properly connected to a drainage system inlet, which shall discharge to an approved sanitary sewage disposal facility.
The water supply to the flushing device shall be protected from backflow by means of a listed vacuum breaker or backflow prevention device located downstream from the last shutoff valve.
Adjacent to the flushing arrangement shall be posted a sign of durable material not less than 2 feet by 2 feet (610 mm by 610 mm) in size. Inscribed thereon in clearly legible letters shall be the following:
"DANGER - NOT TO BE USED FOR DRINKING OR DOMESTIC PURPOSES."
"POTABLE WATER. NOT TO BE USED FOR FLUSHING WASTE TANKS."
The potable water shall be protected from backflow by means of a listed vacuum breaker located downstream from the last shutoff valve.