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Work under this Contract consists of the civil construction for PEPCO feeder 467 of the DC Power Line Undergrounding (DC PLUG) Program, located in Ward 3 and bound by 39th St NW, Broad Branch Rd NW, Nebraska Ave NW, and Oliver St NW as shown on the contract plans, indicated in the specifications / Special Provisions (J.8), as directed by the Contract Administrator. The specifications in this document and related Contract Drawings cover the work which includes, but is not limited to the following: The removal and disposal of existing roadway pavement, curb, gutter, and sidewalks to the extents shown on plans or as necessary for access to trench excavation. The installation of PEPCO supplied materials such as PVC and fiberglass conduits, precast manholes, precast tapholes, precast transformer enclosures, and other related items and components. The furnishing and installation of pea gravel concrete for ductbank encasement. The furnishing and installation of thermal fill for ductbank encasement at transmission feeder crossings. The furnishing and installation of concrete and reinforcing steel for cast-in-place manhole construction. Excavation and backfilling of all utility cuts. Temporary restoration of all utility cuts. Permanent restoration of all utility cuts. Restoration of all pavement markings disturbed by the utility cut and pavement restoration work. Upgrade crosswalks to the high visibility type at all intersections within the project limits. Pavement profiling (milling) and overlay (approximately 2 inches) of utility cuts and per plan in accordance with DDOT standards. Installation of topsoil, seed, and mulch on all disturbed earth and grass areas. Installation of replacement curb (in-kind), curb and gutter (in-kind), and sidewalk (in-kind) sections. The installation and use of erosion and sediment control measures meeting DDOT/DOEE standards and per plan. Dust control during pavement saw cutting and excavation operations. Mobilization and demobilization, completion of field layout, provision and maintenance of engineer's field facilities, progress photographs, and rodent control. Maintain vehicular, bicycle and pedestrian traffic per DDOT Standard Specifications Section 612 and Attachment J.14 or as directed by the Contract Administrator. Maintain access to residential, institutional and commercial establishments using appropriate means as approved by the Contract Administrator. Maintain service of all existing utilities during construction. Work includes the disposal of all unsalvageable materials and all labor, materials, tools, equipment and incidentals necessary to obtain a complete and finished product. The Contractor shall be fully responsible for protection against damages for the duration of the Contract of all the utility structures within the Contract limits and adjacent thereto. The utilities include but are not limited to public and/or private water, sewer, electricity, gas and communications lines. No separate measurement or payment will be made. Cost of this protective work shall be reflected and distributed among the Contract pay items. Work also includes all incidentals needed to complete the project as shown on the Contract Drawings and within the Special Provisions
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