Headwall

Location: Granville County Bridge Maintenance, 3133 Philo White Road (SR-1623) Wilton, NC 27525 1 1 Each 81’ x 18’ 8’ x 11’ 8” corrugated aluminum structural plate pipe arch 2 1 Each 36’ x 14’ 2” aluminum structural plate headwall fully welded inside and out to pipe arch (INLET END) Back fill shall be in accordance with the 2018 NCDOT Standard specifications and roadway standard drawings. Back fill shall be select backfill material class III or class II type 1 or IV (ABC) #57 washed stone shall not be utilized as back fill. 3 1 Each 36’ x 14’ 2” aluminum structural plate headwall fully welded inside and out to pipe arch (OUTLET END) Back fill shall be in accordance with the 2018 NCDOT Standard specifications and roadway standard drawings. Back fill shall be select backfill material class III or class II type 1 or IV (ABC) #57 washed stone shall not be utilized as back fill. 4 1 Each One (1) roll of geogid soil stabilization material that is equivalent to Tensar 160, 13’ x 246’ roll, for placement beneath the structure and in the road subgrade (square feet) If it is an equivalent manufacture name and material number here: 5 1 Each On site technical assistance during assembly, installation, and backfilling operations of the structure.

Division 31 -	Earthwork, Erosion and Sedimentation Controls.
Division 33 -	Utilities, Storm Drainage Utilities, Ponds and Reservoirs.
Division 35 -	Waterway and Marine Construction, Shoreline Protection, Waterway Construction and Equipment.