2010 - MN Dept. of Labor & Industry - report on plans

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Harvest Moon Co-op Remodel Plumbing Plan No. 101321 Page 3 March 25, 2010 13. Several capped and valved cold water pipes will be provided,without backflow preventers, for future connections to coffee makers or other equipment. Please note that when the equipment is provided,water supply connections to fixtures or equipment which have submerged inlets, or inlets below the spill line of the fixture or equipment, must be provided with an air gap arrangement, approved backflow preventer or backflow preventer assembly as specified in Minnesota Rules,part 4715.2000 and part 4715.2010. 14. Materials used for the plumbing system shall comply with the standards set forth in the Minnesota Plumbing Code(see Minnesota Rules,part 4715.0420). Verify that the following pipe material requirements are met: a. The installation of the chlorinated polyvinyl chloride (CPVC)water distribution pipe must be in accordance with International Association of Plumbing and Mechanical Officials (IAPMO) Installation Standards 20-98 (see Minnesota Rules,part 4715.0520). b. The hubless cast iron pipe used for the drain,waste,and vent piping must comply with ASTM Standard A888 or CISPI 301-05 (see Minnesota Rules,part 4715.0570 through part 4715.0600). c. ABS plastic pipe used for the drain,waste, and vent system shall comply with ASTM Standard D2661 or F628 (see Minnesota Rules,part 4715.0570 through part 4715.0600). ASTM Standard D2551 is not listed as an approved pipe material for drain,waste, and vent piping and must not be used. d. Plastic pipe must be installed in accordance with Minnesota Rules,part 4715.0580(F) and part 4715.0600. Above-grade horizontal runs of plastic waste and vent pipe cannot exceed 35 feet in total length. Above-grade vertical stacks constructed of plastic pipe may exceed 35 feet in total height only if an approved expansion joint is used. 15. The installation of cross-link polyethylene (PEX)tubing was specified for the water distribution system. If all of the following requirements cannot be met, a different material that complies with Minnesota Rules, part 4715.0520 must be used: a. The tubing system must comply with ASTM Standard F877 and F876. b. When installed as a system in accordance with ASTM Standard F877,the system tubing and fittings must be of the same manufacturer. c. When other fittings are used with ASTM Standard F877 and F876 tubing,the fittings must comply and be marked with ASTM Standard F1807,F1960, F2080,F2098-01, or F2159. In addition, the tubing must be marked to indicate the fitting standard and the corresponding tubing standard(e.g. ASTM F877/F876/F 1960, F877/F876/F 1807, etc.). d. The system must be installed by a factory trained installer of the particular PEX system to be installed. Certain manufacturers require installation by licensed plumbers who have been trained to install their material. e. All persons installing PEX materials shall have a card on their possession documenting completion of training by the manufacturer or his agent for the material to be installed. f. The tubing and fittings must be marked as required by the applicable standard specification and with the appropriate ASTM designations by the manufacturer. g. The installation must be in accordance with the manufacturer's installation instructions.