SU0002230 - Laserfiche WebLink

Home Browse Search

r i iY Wastewater Treatment System 14ve `' �'?�', ECREEK — Specifications -'r,.'� ENGINEERING,INC. Plastic pipe which has been nicked, scarred, or otherwise damaged shall be removed and replaced. Plastic pipe shall be snaked from side to side in the trench to allow 1 foot of expansion and contraction per 100 feet of straight run. The pipeline shall not be exposed to water for 24 hours after the last solvent-welded joint is made. 1.. 9.7. Flushing and testing After completion, all pipelines shall be thoroughly flushed to remove dirt, scale, or other material. After flushing, the line shall be pressure tested. All equipment, materials and labor necessary to perform the tests shall be furnished by the contractor and all tests shall be conducted L in the presence of the owner or engineer. 10. VALVES Valves shall be of the size, type, and capacity designated on the plans or in the specifications and shall comply with the requirements specified herein. All valves shall be capable of satisfactory .. performance at working pressure of 150 psi. Valves shall be designed to permit disassembly to replace sealing components without removal of the valve body from the pipeline. 10.1. Ball Valves All ball valves shall have a brass or stainless steel body and cap, they shall have threaded MW connections and conform to AWWA standard C507-91. 10.2. Check Valves All check valves shall be ball or horizontal swing check valves, constructed of PVC bodies with true or single union valve assemblies. 10.3. Gate Valves Gate valves shall be class 200 conforming to AWWA standard c-509-80 designed for 150 psi working pressure. Gate valves in sizes 2 inches and smaller shall be all bronze double disc wedge type with integral taper seats and nonrising stem. Sizes 2-1/2 inches and larger shall be iron body, brass trimmed. 11. ELECTRICAL COMPONENTS AND SERVICE _ All electrical equipment shall conform to the standards of the National Electrical Manufactures Association(NEMA), the Underwiters' Laboratories Inc. (UL), or the Electronic Industries Association (EIA), wherever applicable. In addition to the requirements of the plans and specifications, all materials shall conform where applicable to the requirements of the National Electrical Code, hereinafter referred to as the Code; California Administrative Code, Title 8 subchapter 5, Electrical Safety Orders; Rules for Overhead Electrical Line Construction, General Order no. 95, and rules for Construction of Underground Electric Supply and Communication Systems, General Order No. 128, of the Public Utilities Commission. The contractor shall obtain an electrical permit from the county building official for all electrical work prior to commencement of all site work. 1ESSIE'S GROVE WINERY 35 MAY 2002