Part III building Guidelines




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НазваниеPart III building Guidelines
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PLUMBING



The following guidelines are provided to assist in meeting the requirements of the 2006 International Residential Code. Where guidelines are not specific, please contact the building inspector.


The following inspections are required at each dwelling:


  • Sewer Inspection

  • Ground Rough Inspection

  • Top Rough Inspection

  • Final Inspection


Septic Systems are approved and inspected by the Clay County Health Department.


Sewers:


Piping must be laid on a firm base for its entire length bedded in and covered with gravel, with a one-fourth inch (¼”) per foot slope. (P3005.3) Piping may be plastic schedule 40 PVC, ABS, SDR 35, cast iron, ductile iron, or vitrified clay pipe with neoprene gaskets. (Table P3002.2)


Sewers must have cleanouts extended to grade at, or in the building (P3005.2.3), at each one hundred feet (100’) thereafter. (P3005.2.2)


The connection of the building sewer to the public sewer must be visible at the time of the inspection.


Water:


Underground exterior water piping must be forty-two (42) inches below grade. (P2603.6) Inaccessible water piping under slabs shall be of an approved material. (P2904.5.1)


The minimum size water service pipe shall be three-fourths (¾) inch. (P2903.7)


Hose bibbs shall be of a listed self-draining frost proof type with an accessible stop and waste valve inside the building, unless the stem of the hose bibb extends into conditioned space (2903.10), and protected by an atmospheric-type or pressure-type vacuum breaker or a permanently attached hose-connection vacuum breaker. (P2902.4.3)


When main pressure exceeds eighty (80) PSI an approved pressure-reducing valve shall be installed on the main riser at the connection to the water service pipe. (P2903.3.1)


Each dwelling shall be provided with an accessible main shutoff valve near the entrance of the water service. (P2903.9.1)


An accessible, individual shutoff valve is required on the water supply pipe to each fixture, excluding bathtubs and showers. (P2903.9.3)


Water piping shall be sized according to table (P2903.7)


Interior copper water piping 1 ¼” diameter and smaller, shall be supported horizontally each six (6) feet. PEX© piping shall be supported each thirty-two (32) inches. (Table P2605.1)


Solder and fluxes used in potable water supply systems shall have a maximum of two-tenths (0.2) percent lead. (P2904.13)


MECHANICAL:


Steel or wrought iron pipe shall be at least Schedule 40 for all interior gas piping. (G2414.4.2)


Seamless copper, aluminum alloy, or steel tubing may be used with gases not corrosive to such material. (G2414.5)


Interior gas piping must withstand a ten (10) minute air pressure test with a 30-PSI gauge to equal 10 PSI. (G2417.4.1, G2417.4.2)


Pipe protective coatings and wrappings shall be approved for the application and shall be factory applied. (G2415.8.2) Underground piping shall be installed 12” below grade. (G2415.9)


In order for inspection approval a pressure loss of zero must be obtained. (G2417.5)


Plastic piping requires yellow insulated #18 copper tracer wire attached to the piping and terminating above ground. (G2415.14.3)


Metallic pipe or tubing exposed to corrosive action, such as soil condition or moisture, shall be protected in an approved manner. (G2415.8)


Gas piping shall not be installed under any building. (G2415.11)


Where wet gas exists, a drip leg shall be provided at any point in the line of pipe where condensate could collect, the outlet of the meter, and shall be installed as a trap wherein an accumulation of condensate will shut off the flow of gas before the condensate will run back into the meter. (G2419.2)


Access must be provided to each drip leg in an area not subject to freezing. (G2419.3)


Accessible shutoff valves are required on the supply line outside each appliance, ahead of the union connection and within six feet (6’) from all appliances. (G2420.5)


Appliance fuel connectors shall be installed in accordance with the manufacturer’s instructions and Sections G2422.1.2.1 through G2422.1.2.4. (G2422.1.2)


Duct openings are not permitted into the garage area. (R309.1.1)


Furnace rooms for gas-fired equipment shall be provided with properly sized combustible air openings. (M1703.2.1)

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