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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/F1960,F877/F876/F1807,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. NOTE(S): 1. The scope of this project consists of the remodel of a grocery store.The plumbing includes the following: a. Two restrooms and a break room sink. b. Produce-A prep sink,a floor drain,a trench drain,and a hand sink.A capped and valved 1/2-inch cold water pipe will be provided for future connection to a filter or other equipment.No backflow protection will be provided on the pipe at this time. c. Meat-A three-compartment sink,a tell-tale floor drain,a trench drain,and a hand sink. d. Kitchen-A prep sink,a three-compartment sink,three tell-tale drains,a trench drain,two floor drains,a dishwasher,and two hand sinks.A capped and valved 1/2-inch cold water pipe will be provided for future connection to a coffee maker.No backflow protection will be provided on the pipe at this time. e. Dairy-A floor drain and a trench drain outside of the dairy cooler. f. Service/Deli-A hand sink and a capped and valved 1/2-inch cold water pipe will be provided for future connection to a coffee maker.No 3 A 3 k) % L �oiss-