A. DEMOLITION A.1 Remove decomissioned center control enclosure including structure, all contents, and foundation as shown on drawings. Once foundation removal is inspected, fill and compact with suitable material topping with clean station stone to match existing site. All demolition materials must be removed from the site and disposed of by the contractor. EA 1 $0.00 A.2 Remove old Oil Circuit Breaker oil containments as shown on drawings. Once removal is inspected, fill and compact with suitable material topping with clean station stone to match existing site. All demolition materials must be removed from the site and disposed of by the contractor. EA 1 $0.00 A.3 Remove existing cable trench as identified on the drawings including any remaining cables contained therein which have already been decommissioned and cut loose on both ends. Once removal is inspected, fill and compact with suitable material topping with clean station stone to match existing site. All demolition materials must be removed from the site and disposed of by the contractor. FT 1,700 $0.00 A.4 Remove existing foundations as noted on the plans to a minimum depth of 3' below grade. Cut back vertical ground stingers only as required to accomplish this but do not otherwise disturb existing horizontal ground grid. Demolition will be inspected by a representative of GP&L prior to refilling the hole. Fill and compact with suitable fill material topping with clean station stone to match existing site. All demolition materials shall be removed and disposed by this Contract. EA 9 $0.00 A.5 Remove existing surface rock and unsuitable dirt to a minimum of 1' below existing grade. Remove more material as necessary to eliminate remaining unsuitable material below 1' minimum, particularlly where any rutting or pumping is observed. Removed soils and rock may be spread west of the station as space allows and graded away from the station. CY 14,300 $0.00 $0.00 B. INSTALLATION B.1 Mobilization EA 1 $0.00 B.2 Extend ground grid to cover gaps created by removal of control enclosure as identified in Demolition item A.1. this document. Ground grid to be inspected prior to covering up. EA 1 $0.00 B.3 Add new foundation (callout Y) as indicated on drawing for future installation of wave trap stand. Bond and extend ground grid stinger up to above grade at foundation base location. EA 1 $0.00 B.4 Restore ground grid to cover gaps created by removal of cable trench as identified in Demolition item A.3 this document. Ground grid to be inspected prior to covering up. EA 1 $0.00 B.5 Grade eastern and north eastern portion of the substation towards the fence. Lime stabilize as necessary. CY 3,700 $0.00 B.6 Install catch basins, manholes, and inlets as shown on the drawings EA 17 $0.00 B.7 Install storm piping as shown on the drawings LF 1,500 $0.00 B.8 Install concrete aprons around new catch basins and inlets to minimize surface rock into the system. CY 19 $0.00 B.9 Install clean fill, base material, and 1-1/2" #467 belt run, washed stone in remediation areas SY 40,000 $0.00 B.10 Perform asbuilt survey upon completion EA 1 $0.00 B.11 De-mobilization EA 1
