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191 RAMON ~UCIO, RIO VISTA, RIO VISTA ANNEX, AND BICENTENNIAL PARKS RECREATION DEVELOPMENT TECHNICAL SPECIFICATION 13 POTABLE WATER SYSTEM components attached by solvent welding are not acceptable. All pipe shall be pressure rated at 200 psi, Class 200 (SDR-21), ASTM 0-2241, or schedule 40 ASTM 0-1785. Pipe shall have push-on, rubber gasket joints of the bell and spigot type with thickened integral bells, or of the double spigot type with thickened coupling sleeves with rubber gasket joints. The wall thickness of each pipe bell and joint coupling must be greater than the standard pipe barrel thickness. b. All fittings shall conform to AWWA C-110 or shall be schedule 40 (pressure fittings) conforming to ASTH 0-2466. 13-04 GENERAL DESCRIPTION: a. The potable water system shall be constructed using new and unused materials, without flaws or defects, of sizes and types as shown on the drawings and as called for in these specifications. The system shall be constructed to grades and conform to areas and locations as shown on the drawings. The construction of potable water system(s) shall include the wet connection (at Ramon Lucio system) and dry connection (at Rio Vista Annex system) to existing wate~ mains where shown on drawings, fittings, gate valve8, check valves, drain valves, and all necessary specialties and accessaries ,excavation and backfill, and all other work as required by the drAwing. and specifications and required for the ccaplete system. All materialoverage8 at the completion of the installation are the property of the Contractor and are to be removed from the site. 13-05 CONSTRUCTIONs a. Potable Water Pipe: (1) Potable water pipe connecting the building stubouts to the tap shall be as described in paragraph 13-03 above. The Contractor shall layout the routing of the potable water pipe from the restroom building stubout (stop and wa8te valve) to the tap where shown on Sheet 11 of the drawings. The staking, complete 13-2