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Water service pipe of three inches or larger inside diameter shall confonn to the requirements for Watennain Pipe and Fittings as set forth under the provisions of 302.1. 302.102 WATER SERVICE PIPE AND FITTINGS Water service pipe of two inches or l.ess in inside diameter shall confonn to the require- ments of ASTM B 88 for Seamless Copper Water Tube. Type K, Soft Annealed temper. All. fittings for Copper tubing shall be cast brass, having uniformity in wall thickness and Strength, and shall be ftee of defects affecting serviceability. All copper pipe fittings shall be flared or compressi.on type. All threads for underground service line fittings shall confonn to the requirements of AWWA C800. 302.103 PIPE TABLE -. PIPE DESCRIPTION CLASS OR TYPE SPECIFICATION JOINT Cement lined ductile Class 52 ASA A21.51 Mechanical iron pipe with tar ASA A21.4 or push-on coated exterior Ductile iron fiFtings Class 250 ASA A21.1 0 Mechanical ASA A21.4 ANSIJA WW A Mechanical ClIO and C153 Copper service pipe Type K soft ASTM B88 Flared \ I ,...,1 , . J 1 ..J J ) J J J .J J 302.200 VALVES & BOXES 302.201 GATE VALVE'S Gate Valves shall be manufactured and furnished in accordance with an approved pattern and shall confonn to all applicable requirements of A WW A C500 for Ductile Iron and. be designed for 150 PSI working pressure. together with such supplementary requirements as, may be covered in the Plans and Special Conditions or the provisions hereof. Unless otherwise specified. the gate valves furnished shall comply with the following supplementary requirements. (1) The gate valves shall be resilient seat type. with parallel seats and a two-inch operating nut opening counterclockwise. (2) All gate valves 12-inches or smaller in size shall be furnished with O-Ring stem seals. (3) All gate valves 16-inches or larger in size shall be of the double square bottom type arranged for operation in the horizontal position and shall be equipped with bypass valves. 300-3