District of Columbia Power Line Undergrounding (DC Plug) Feeder 15001

Work under this Contract consists of the civil construction for PEPCO feeder 15001 of the DC Power Line Undergrounding (DC PLUG) Program, located in Ward 4 and bound by Colorado Avenue, Blagden Avenue NW, 16th Street NW, 14th Street NW, and 13th Street NW from Allison Street NW to Madison Street NW as shown on the plans as directed by the Engineer. The scope of work includes, but is not limited to, the following major improvements: a. 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. b. 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. c. The furnishing and installation of pea gravel concrete for duct bank encasement. d. The furnishing and installation of thermal fill for duct bank encasement at transmission feeder crossings. e. The furnishing and installation of concrete and reinforcing steel for cast-in-place manhole construction. f. Excavation and backfilling of all utility cuts. g. Temporary restoration of all utility cuts. h. Permanent restoration of all utility cuts. i. 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. j. Pavement profiling (milling) and overlay (approximately 2 inches) of utility cuts and per plan in accordance with DDOT standards. k. Installation of topsoil, seed, and mulch on all disturbed earth and grass areas. l. Installation of replacement curb (in-kind), curb and gutter (in-kind), and sidewalk (in-kind) sections. m. The installation and use of erosion and sediment control measures meeting DDOT/DOEE standards and per plan. n. Dust control during pavement saw cutting and excavation operations. o. Mobilization and demobilization, completion of field layout, provision and maintenance of engineers field facilities, progress photographs, and rodent control. p. Maintain vehicular, bicycle and pedestrian traffic per DDOT Standard Specifications Section 612 and Attachment J.14 (MOT Typical) or as directed by the Engineer. Maintain access to residential, institutional, and commercial establishments using appropriate means as approved by the Engineer. q. Maintain service of all existing utilities during construction. Work also includes all incidentals needed to complete the project as shown on the Contract plans and described in the Specifications and the Technical Specifications or as directed by the Contract Administrator.