Scope of Work Regrading and drainage per the engineering plans and specifications: ● Placing substantial fill and topsoil as specified. ● Grading the site per the proposed contours to ensure drainage from east to west. ● Creation of low berms suitable for planting. ● Install a grass swale and underdrain pipe on the west side of the site. ● A yard drain and connecting pipe to an existing catch basin in the neighborhood stormwater system. ● Two drain pipes in the northeast corner leading to a micro raingarden. ● One drain pipe in the southwest corner connecting a raingarden to an existing yard drain. Item No. Description Unit Quantity 204.2 Trench Excavation of Earth Cubic Yards 43.06 204.3 Granular Backfill for Structures Cubic Yards 8.32 999.1 Yard Drain each 2 999.2 Nyoplast Riser each 1 999.3 PVC Storm Pipe, 6 inches Linear Feet 119 605.1006 Underdrain Pipe, 6 inches Linear Feet 152.92 628.1448 PVC Sewer Pipe, 12 inches Linear Feet 56.16 649.41 Geotextile for Underdrain Trench Lining Square Yards 85.86 651.35 Topsoil2 Cubic Yards 376.17 653.1 Hay Mulch Ton 1.4 653.35 Stabilized Construction Entrance Cubic Yards 17.28 653.4001 Inlet Protection Device, Type 1 each 3 653.4701 Silt Fence, Type 1 Linear Feet 556 999.4 Rehab of Curb and Asphalt for Stormwater Connection each 1
