Specifications include, but are not limited to: excavation; removal and disposal of old gate valves; installation of new gate valves; and backfill and compact the excavated trench. The City shall furnish new gate valves, parts and/or bolts, trucking, and backfill material. Newly installed bolts shall be sprayed with an approved automobile undercoating agent after installation and wrap entire valve assembly in plastic. All bolts on the valve shall be replaced, including the bolts that connect the valve to the existing pipe material. All bolts and nuts used for this project shall be stainless steel or “Core Blue” as approved by the Authorized Agent. Each excavation of gate valve may include supplemental work as follows: A. Type A – Street Repair; Removal of bituminous. Replace gate valve and adjust new valve box to within 1/4 inch below top of wear course grade. Installation and compaction of 6 inches of Class 5 per City of Golden Valley Standard Details herein Exhibit C. B. Type B – Street & Curb Repair; Removal of bituminous and concrete curb and gutter. Replace gate valve and adjust new valve box to within 1/4 inch below top of wear course grade. Installation and compaction of 6 inches of Class 5 per City of Golden Valley Standard Details herein Exhibit C. C. Type C – Sidewalk/Concrete Repair; Removal of concrete sidewalk and/or driveway. Replace gate valve and adjust new valve box to within 1/4 inch below top of concrete grade. Installation and compaction of 4 inches of Class 5 per City of Golden Valley Standard Details. D. Type D – Concrete/Sod Repair; Removal of concrete curb and gutter. Replace gate valve and adjust new valve box to within 1/4 inch below sod grade. Installation and compaction of 4 inches of Class 5 per City of Golden Valley Standard Details. E. Type E – Sod Repair; Adjust new valve box to within ¼ inch below sod grade.
