5-109 culverts; the horizontal end reinforcing ribs for aluminum allo y structural plate pipe and pipe arches; the headwalls, wingwalls, toewalls, full metal inv ert and/or footing pads for metal box culverts; anchor bolts embedded in concrete; the rece iving channels for metal box culverts on concrete substructures; and all incidental items re quired to complete the work, including, but not limited to, the calibrated torque wrench for use by the Resident. Reinforced concrete headwalls and wingwalls are not included fo r payment under this item. Whenever the minimum cover material extends above the subgrade line, the removal of the material which is necessary to complete the work in accorda nce with the Plans will be measured and paid for as Common Excavation as provided in Secti on 203 - Excavation and Embankment. Payment will be made under: Pay Item P a y U n i t
509.11 Steel Structural Plate Pipe Lump Sum
509.12 Steel Structural Plate Pipe Arch Lump Sum 509.13 Steel Structural Plate Arch Lump Sum
509.141 Steel Structural Plate Box Culvert Lump Sum 509.18 Aluminum Alloy Structural Plate Pipe Lump Su m
509.19 Aluminum Alloy Structural Plate Pipe Arch Lump Sum
509.20 Aluminum Alloy Structural Plate Arch Lump Sum
509.411 Aluminum Structural Plate Box Culvert Lump Sum SECTION 510 - SPECIAL DETOURS
510.01 Description This work shall consist of the design, cons truction, maintenance in
good condition and removal of temporary structures and approach es required for the satisfactory maintenance of vehicular and pedestrian traffic. Easements or right-of-way for t he Special Detour will be furnis hed by the Department and will be shown on the Contract P lans. If the Contractor pro poses an alternative location for the Special Detour, and the alternative location is approve d by Department, that easement may only be acquired by the Department. All additiona l costs associated with the acquisition, including, but not limited to, obtaining easements , environmental mitigation, restoration and Department time, shall be borne by the Contract or.
510.02 Materials Materials used for the Special Detour structu re and approaches shall
conform to the detailed plans and specifications submitted by t he Contractor.
510.03 Vehicular and Pedestrian Traffic Not Separated The Spec ial Detour shall be
located as close as practicable to the new Work, or as shown on the Plans.