The following definitions are applicable to subpart G only: Accessible, when applied to a fixture, connection, appliance or equipment, means having access thereto, but which may require removal of an access panel or opening of a door. (d) Requirements for ties. Each manufactured home with a water distribution system shall be equipped with a 34 inch threaded inlet connection. Each plumbing fixture and standpipe receptor shall be located and installed in a manner to be accessible for usage, cleaning, repair and replacement. (i) Flat, curved and pitched roofs shall be designed to resist the following live loads, applied downward on the horizontal projection as appropriate for the design zone marked on the manufactured home: (A) North Roof Load Zone. (ii) A full size cleanout shall be installed at the upper end of any section of drain piping which does not have the required minimum slope of 14 inch per foot grade. Approved or listed cast iron pipe may be joined as follows: (1) Approved or listed hub-less pipe and fittings must be permitted to be joined with listed couplings or adapters, per the manufacturer's recommendations. The handgrip portion of the handrail must have a smooth surface. Each manufactured home must be designed and constructed as a completely integrated structure capable of sustaining the design load requirements of this part and must be capable of transmitting these loads to stabilizing devices without exceeding the allowable stresses or deflections. (b) All 125-volt, single-phase, 15- and 20-ampere receptacle outlets installed outdoors, or in compartments accessible from outside the manufactured home, and in bathrooms, including receptacles in light fixtures, must have ground-fault circuit-interrupter protection for personnel. Sectional venting systems shall be listed for such applications and installed in accordance with the terms of their listings and manufacturers' instructions. Copies of incorporated standards that are not available from their producer organizations may be obtained from the Office of Manufactured Housing Programs. The disconnecting means shall be rated not more than the ampere supply or service capacity indicated on the tag required by paragraph (l) of this section. (vi) Article 250.26, IBR approved for 3280.803(k) and 3280.804(k). (d) Exterior doors. Cable shall be secured in place at intervals not exceeding 412 feet and within 12 inches from every cabinet, box or fitting. Redesignated at 44 FR 20679, Apr. (4) IAPMO PS 984, Material and Property Standard for Diversion Tees and Twin Waste Elbow, IBR approved for 3280.604(b). A list (b) Performance. Specific requirements for designing the transportation system. Webinstructions. Any opening for ducts, piping, wiring, etc., shall be sealed. (b) Piping supports. Then look up the R-value remaining from the appropriate column (Non-uniform Restriction, Batt Non-uniform Restriction, Blown or Uniform Compression, Batt). Inlet coupling means the terminal end of the water system to which the water service connection is attached. (5) Materials meeting the standards (or the applicable portion thereof) are considered acceptable unless otherwise specified herein or unless substantial doubt exists as to conformance. Combination carbon monoxide and smoke alarms shall be permitted to be used in lieu of carbon monoxide alarms. (c) Samples for testing. [40 FR 58752, Dec. 18, 1975, as amended at 86 FR 2517, Jan. 12, 2021]. Handbook, Incorporation The certification shall be at operating static pressure of 0.3 inches of water or greater. The manufacturer is not required to provide the moisture-lint exhaust duct or the termination fitting. It shall not be permissible to repair defects in gas piping or fittings. (5) Attachment plug (plug cap) (cap) means a device which, by insertion in a receptacle, establishes connection between the conductors of the attached flexible cord and the conductors connected permanently to the receptacle. (7) Circular stairways. (iv) The fireplace or fireplace stove shall not be installed in a sleeping room. Design temperature difference is 70 minus the heating system capacity certification temperature in degrees Fahrenheit. (5) Preassembly of drain lines. (2) Fittings. (1) Roof framing must be securely fastened to wall framing, walls to floor structure, and floor structure to chassis, to secure and maintain continuity between the floor and chassis in order to resist wind overturning, uplift, and sliding, and to provide continuous load paths for these forces to the foundation or anchorage system. However, in the event that doors are undercut, they shall be undercut a minimum of 2 inches and not more than 212 inches, as measured from the top surface of the floor decking to the bottom of the door and no more than one half of the free air area so provided shall be counted as return air area. (4) Design. Refinance Process; Reverse Mortgage Method; Note: Based on the higher current calculated for either leg, use one 50A supply cord. The surface flame spread rating of interior-finish material must not exceed the value shown in 3280.203(b) when tested by Standard Test Method for Surface Burning Characteristics of Building Materials, ASTM E8401, 2001, or Standard Method of Test of Surface Burning Characteristics of Building Materials NFPA 255, 1996, except that the surface flame spread rating of interior-finish materials required by 3280.203(b)(5) and (6) may be determined by using the Standard Test Method for Surface Flammability of Materials Using a Radiant Heat Energy Source, ASTM E 16294. (17) ANSI/ASME A112.21.3M1985, Hydrants for Utility and Maintenance Use, IBR approved for 3280.604(b). (iv) A spring-operated mechanical vent must be installed in a location that allows a free flow of air and is accessible for inspection, maintenance, and replacement. Location of the running gear assembly must be determined by documented engineering analysis, taking into account the gross weight (including all contents), total length of the manufactured home, the necessary coupling hitch weight, span distance, and turning radius. (e) A list of the certification label(s) number(s) that are affixed to each transportable manufactured section under 3280.8. Right and left nipples or couplings shall not be used. (i) Recycled axles. The test must be made by subjecting the system to air or water at 80 psi + or 5 psi for 15 minutes without loss of pressure. (5) ASTM B4391, Standard Specification for Seamless Red Brass Pipe, Standard Sizes, IBR approved for 3280.604(b) and 3280.705(b). 26 gauge steel or other approved material and must have no openings into the garage. (v) Piping, fixtures or equipment shall be located so as not to interfere with the normal use or with the normal operation and use of windows, doors or other required facilities. Slip joints in sheet metal ducts shall have a lap of at least one inch and shall be mechanically fastened. Manufactured homes shall have a minimum of two exterior doors located remote from each other. Each manufactured home shall have provisions for support/anchoring or foundation systems that, when properly designed and installed, will resist overturning and lateral movement (sliding) of the manufactured home as imposed by the respective design loads. 702005, containing four continuous insulated, color-coded, feeder conductors, one of which shall be an equipment grounding conductor; or, (2) A listed metal raceway or listed rigid nonmetallic conduit from the disconnecting means in the manufactured home to the underside of the manufactured home, with provisions for the attachment of a suitable junction box or fitting to the raceway on the underside of the manufactured home. Air-conditioning and cooling including heat pump compressors, Less than 4 separately controlled electric space heating units, Office of Assistant Secretary for Housing - Federal Housing Commissioner, Department of Housing and Urban Development. Water closets shall be securely bolted to an approved flange or other approved fitting which is secured to the floor by means of corrosion-resistant screws. Installations means all arrangements and methods of construction, as well as fire safety, plumbing, heat-producing and electrical systems used in manufactured homes. (2) Clearance spaces surrounding heat producing appliances are not required to be framed-in or guarded when: (i) A space is designed specifically for a clothes washer or dryer; (ii) Dimensions surrounding the appliance do not exceed three inches; or. (6) In the wall at the nearest point where a fixed room divider attaches to the wall. (iii) Shower doors and tub and shower enclosures shall be constructed so as to be waterproof and, if glazed, glazing shall comply with the Standard for Safety Glazing Materials used in BuildingsSafety Performance Specifications and Methods of Test, ANSI Z97.12004 (incorporated by reference, see 3280.4). In certain instances, however, the use of specific requirements is necessary. Engineering analysis methods based on the principles of mechanics and/or structural engineering may be used to substantiate the adequacy of the transportation system to withstand in-transit loading conditions. (7) Hangers and supports. (2) If a warm air appliance is installed within an enclosure to conform to 3280.709(d)(2), each warm-air outlet and each return air inlet shall extend to the exterior of the enclosure. (2) Live load: means the weight superimposed by the use and occupancy of the manufactured home, including wind load and snow load, but not including dead load. (1) Roofs shall be of sufficient strength to withstand the load requirements as defined in 3280.305 (b) and (c) without exceeding the deflections specified in 3280.305(d). 702005, are permitted provided the box has been tested and approved for that purpose. 2697, 42 U.S.C. (i) All water heaters shall be installed with approved and listed fully automatic valve or valves designed to provide temperature and pressure relief. citations and headings (See readily accessible.). [40 FR 58752, Dec. 18, 1975, as amended at 42 FR 961, Jan. 4, 1977. 6, 1979, as amended at 52 FR 4586, Feb. 12, 1987; 58 FR 55014, Oct. 25, 1993; 70 FR 72049, Nov. 30, 2005; 71 FR 19639, Apr. (5) ASME A112.18.3M1996, Performance Requirements for Backflow Protection Devices and Systems in Plumbing Fixture Fittings, IBR approved for 3280.604(b). Each manufactured home shall bear a data plate affixed in a permanent manner near the main electrical panel or other readily accessible and visible location. The cabinet area over the cooking range or cooktops shall be protected by a metal hood (26-gauge sheet metal, or .017 stainless steel, or .024 aluminum, or .020 copper) with not less than a 3-inch eyebrow projecting horizontally from the front cabinet face. (1) Changes in direction. In multistory construction, each story must be securely fastened to the story above and/or below to provide continuity and resist design loads in this part. The length of cord from the face of the attachment-plug cap to the point where the cord enters the manufactured home shall not be less than 20 feet. This computer system, including all related equipment, networks, and network devices (specifically including Internet access) contains data belonging to the U.S. (6) Instructions for correctly operating and maintaining whole-house ventilation systems must be included with the homeowner's manual. 7, 1985; 78 FR 73981, Dec. 9, 2013], (a) Every room designed expressly for sleeping purposes, unless it has an exit door (see 3280.105), shall have at least one outside window or approved exit device which meets the requirements of 3280.404, the Standard for Egress Windows and Devices for Use in Manufactured Homes.. This method must be capable of resisting the design wind pressures specified in 3280.305 without taking the home out of conformance with the standards in this part. (c) Interconnectivity. (c) Hazardous locations requiring safety glazing. Water pipe shall be of standard weight brass, galvanized wrought iron, galvanized steel, Type K, L or M copper tubing, approved or listed plastic or other approved or listed material. Every structural assembly tested must be capable of sustaining its dead load plus superimposed live loads equal to 1.75 times the required live loads for a period of 12 hours without failure. (1) The provisions of this section shall be followed and the support and anchoring systems shall be designed by a Registered Professional Engineer or Architect. The material used for brazing pipe connections shall have a melting temperature in excess of 1,000 F. (e) Joints for tubing. Fixed and Location-Dedicated Electric Room Heaters, Second Edition, with 1998 revisionsUL 20211997. They shall consist of one or more of the materials described in 3280.705(b) (1) through (4). Territories of American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Trust Territory of the Pacific Islands, and the United States Virgin Islands. Choosing an item from (a) General. (ii) Guard systems must be designed to resist a load of 20 lb./ft applied in any direction at the top and to transfer this load through the supports to the structure. 3 + sign would mean pressures are acting towards or on the structure; sign means pressures are acting away from the structure; sign means forces can act in either direction, towards or away from the structure. At least 40 percent shall be provided by eave, soffit or low gable vents. Scissors or other unique truss configurations are to be measured at as many additional bottom chord panel points as necessary to obtain an accurate representation of the deflected shape of the truss, so as to be able to locate and record the point(s) of maximum deflection. (3) The exhaust duct shall not terminate beneath the manufactured home. The Uo (Coefficient of heat transmission) value zone for which the manufactured home is acceptable and the lowest outdoor temperature to which the installed heating equipment will maintain a temperature of 70 F shall be certified as specified in 3280.510. ), Exterior roof coverings, sheathing and fastenings, Within 3-0 from each gable end (overhang at end wall) of the roof or endwall if no overhang is provided, Within 3-0 from the ridge and eave (overhang at sidewall) or sidewall if no eave is provided, Wall studs in sidewalls and endwalls, exterior windows and sliding glass doors (glazing and framing), exterior coverings, sheathing and fastenings, Within 3-0 from each corner of the sidewall and endwall. (h) Cast iron soil pipe joints. Each vent pipe must extend through its flashing and terminate vertically. The tag must be not less than 0.020-inches thick etched brass, stainless steel, anodized or alclad aluminum, or equivalent. user convenience only and is not intended to alter agency intent The bonding strap material shall be a minimum of 4 inches in width of material equivalent to the skin or a material of equal or better electrical conductivity. Individual factors to be evaluated include intensity of cavity fire (temperature-time) and post-test damage. The neutral bar termination of the grounded circuit conductors must be insulated in accordance with 3280.809(b). (3) A smoke alarm required under this section must not be placed in a location that impairs its effectiveness or in any of the following locations: (i) Within 3 feet horizontally from any discharge grille when a home is equipped or designed for future installation of a roof-mounted evaporative cooler or other equipment discharging conditioned air through a ceiling grille into the living space; and. (2) Interior walls and partitions shall be constructed with structural capacity adequate for the intended purpose and shall be capable of resisting a horizontal load of not less than five pounds per square foot. (A) Dead load plus 2.0 times the design live load. Mechanical trap vent device means a device that automatically opens to admit air to a fixture drain above the connection of the trap arm so as to prevent siphonage, and closes tightly when the pressure within the drainage system is equal to or greater than atmospheric pressure, so as to prevent the escape of gases from the drainage system into the manufactured home. (2) Furnace return plenum is a plenum attached directly to, or an integral part of, the return inlet of the furnace. The drain connector shall not be smaller than the piping to which it is connected and shall be equipped with a water-tight cap or plug matching the drain outlet. Gas Clothes Dryers Volume 1, Type 1 Clothes DryersANSI Z21.5.1/CSA 7.1M991999 with Addendum Z21.5.1a1999. The straps shall be fastened with paint-penetrating fittings (such as screws and star washers or equivalent). (2) Parapets must have the same fire resistance rating as that required for the supporting wall or walls. (c) Materials and methods. Fire separation wall. (j) The statement: The manufacturer certifies this home is compliant with the Title VI, Toxic Substances Control Act. In no case shall the installed ventilation capacity of the system be less than 50 cfm. 6, 1979, and further redesignated at 58 FR 55004, Oct. 25, 1993]. Purchase. After all fixtures have been installed, the traps filled with water, and the remaining openings securely plugged, the entire system shall be subjected to a 2-inch (manometer) water column air pressure test. (i) Design criteria. (iii) Branch circuitgeneral purpose means a circuit that supplies a number of outlets for lighting and appliances. (a) Except as specifically permitted by this part, the wiring methods and materials specified in the National Electrical Code, NFPA No. (9) Circuit breaker means a device designed to open and close a circuit by nonautomatic means, and to open the circuit automatically on a predetermined overload of current without injury to itself when properly applied within its rating. Redesignated at 44 FR 20679, Apr. To obtain more information on this, please visit www.ibts.org. (b) The calculation of the manufactured home's transmission heat loss coefficient (Uo) must be in accordance with the fundamental principles of the 1997 ASHRAE Handbook of Fundamentals, Inch-Pound Edition, and, at a minimum, must address all the heat loss or heat gain considerations in a manner consistent with the calculation procedures provided in the document, Overall U-values and Heating/Cooling LoadsManufactured HomesFebruary 1992PNL 8006, HUD User No. These instructions must be included in the printed instructions that accompany each manufactured home. Pigtails and Flexible Hose Connectors for LP-Gas, Seventh EditionUL 569, 1995 with 2001 revisions. Additional loading shall then be applied continuously until failure occurs, or the total of the factor of safety times the design live load plus the dead load is reached. (b) Fuel-burning heat-producing appliances and refrigeration appliances, except ranges and ovens, shall be of the vented type and vented to the outside. (ii) Standpipes must be either 112 inch diameter minimum nominal iron pipe size, 112 inch diameter nominal brass tubing of not less than No. Spring assemblies (springs, hangers, shackles, bushings, and mounting bolts) must be capable of supporting the running gear design loads, without exceeding maximum allowable stresses for design spring assembly life as recommended by the spring assembly manufacturer. Exposed insulation installed on the floor or ceiling forming the lower boundary of the attic must be tested in accordance with NFPA 2532000, Standard Method of Test for Critical Radiant Flux of Floor Covering Systems Using a Radiant Heat Energy Source (incorporated by reference, see 3280.4) and must have a critical radiant flux of not less than 0.12 watt/cm2. Do not store such materials or containers in this compartment. (37) Readily accessible means capable of being reached quickly for operation, renewal, or inspection, without requiring those to whom ready access is requisite to climb over or remove obstacles or to resort to portable ladders, chairs, etc. Either the testing method in paragraph (d)(1) or (d)(2) of this section may be used, however, the testing method in paragraph (d)(3) of this section must be used, to test trusses to establish compliance with the provisions of these standards. ], (d) The switch for shower lighting fixtures and exhaust fans located over a tub or in a shower stall shall be located outside the tub shower space. (7) When a quick disconnect device is installed, a 3 inch by 134 inch minimum size tag made of etched, metal-stamped or embossed brass, stainless steel, anodized or alcalde aluminum not less than 0.020 inch thick or other approved material (e.g., 0.005 inch plastic laminates) shall be permanently attached on the exterior wall adjacent to the access to the quick disconnect device. Roof Jacks for Manufactured Homes and Recreational Vehicles, Eighth EditionUL 311, 1994, with 1998 revisions. For the purpose of loading distribution, the sidewall may be considered to be acting as a deep beam in conjunction with other load carrying elements in determining the relative stiffness of the integrated structure. (iii) Protective caps or plugs for the quick-disconnect device, when disconnected, shall be permanently attached to the manufactured home adjacent to the device. Hallways shall have a minimum horizontal dimension of 28 inches measured from the interior finished surface to the interior finished surface of the opposite wall. (32) Manufactured home service equipment means the equipment containing the disconnecting means, overcurrent protective devices, and receptacles or other means for connecting a manufactured home feeder assembly. Appropriate fittings shall be used for all changes in size and where pipes are joined. (e) Joints for gas pipe. will bring you to those results. 3280.406 Air chamber test methods for certification and continuing qualification of formaldehyde emission levels. A manufactured home that is factory-equipped with gas or oil-fired central heating equipment and cooking appliances shall be permitted to be provided with a listed manufactured home power-supply cord rated 40 amperes. Drainage piping must be standard weight galvanized steel, brass, copper tube DWV, listed Scheduled 40 ABS plastic, listed Scheduled 40 PVC plastic, cast iron, or other listed or approved materials. The number, type, size, and design of brake assemblies required to assist the towing vehicle in providing effective control and stopping of the manufactured home must be determined and documented by engineering analysis. The location and spacing of the vent openings and ventilators shall provide cross-ventilation to the entire attic or roof cavity space. [58 FR 55004, Oct. 25, 1993, as amended at 67 FR 12817, Mar. The material and design of fittings shall conform to the type of piping used. 12 inch nominal diameter or 58 inch OD minimum size for flushometer or metering type valves unless otherwise specified in their listing. (b) Expandable or multiple unit manufactured homes not having permanently installed feeders and which are to be moved from one location to another, shall be permitted to have disconnecting means with branch circuit protective equipment in each unit when so located that after assembly or joining together of units the requirements of 3280.803 will be met. Manufactured home procedural and enforcement regulations, and consumer manual requirements. The cooling multiplier for the Uo Zone is from the following table: (e) U values for any glazing (e.g., windows, skylights, and the glazed portions of any door) must be based on tests using AAMA 1503.11988, Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors, and Glazed Wall Sections, or the National Fenestration Rating Council 100, 1997 Edition, Procedure for Determining Fenestration Product U-factors. The calculated transmission heat loss coefficient (Uo) used for meeting the requirement in 3280.506(a) may be adjusted for heating and cooling equipment above that required by the National Appliance Energy Conservation Act of 1987 (NAECA) by applying the following formula: Uo adjusted = Uo standard [1 + (0.6) (heating efficiency increase factor) + (cooling multiplier) (cooling efficiency increase factor)], Uo standard = Maximum Uo for Uo Zone required by 3280.506(a), Uo adjusted = Maximum Uo standard adjusted for high efficiency HVAC equipment. Wind Zone, Roof Load Zone and Thermal Zone for which the home is designed. A manufactured home may be provided with stubbed in equipment at the factory to supply a gas clothes dryer for future installation by the owner provided it complies with the following provisions: (1) The stubbed in gas outlet shall be provided with a shutoff valve, the outlet of which is closed by threaded pipe plug or cap; (2) The stubbed in gas outlet shall be permanently labeled to identify it for use only as the supply connection for a gas clothes dryer; (3) A moisture lint duct system consisting of a complete access space (hole) through the wall or floor cavity with a cap or cover on the interior and exterior of the cavity secured in such a manner that they can be removed by a common household tool shall be provided. Standard Specification for Solvent Cements for Poly (Vinyl Chloride) (PVC) Plastic Piping SystemsASTM D256491a. If you go to their website and provide them with a HUD tag number, they can give you the VIN number, or vice-versa, along with most of the information that was on the paper data plate inside the home if it has disappeared toobut for a fee. (c) Each proposed and final waiver shall include: (1) A statement of the nature of the waiver; and. Electric Central Air Heating EquipmentUL 1096-Fourth Edition-1986 with revisions July 16, 1986, and January 30, 1988. Neither the frame of the manufactured home nor the frame of any appliance shall be connected to the neutral conductor in the manufactured home. None of the requirements listed in this section shall apply to the piping supplied as a part of an appliance. The ventilation system must be designed to ensure that outside air is distributed to all bedrooms and main living areas. Those alternatives listed in 3280.903(c) may be accepted in place of such an analysis.
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