All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: BITUMINOUS, GENERAL (ALL CLASSES); GRADING; CULVERTS; SEEDING; BRIDGE AT STATION 658+72.00; GUARDRAIL; ELECTRICAL; BITUMINOUS; GENERAL ITEMS; This work consists of providing all labor, materials, and equipment for cleaning/preparing the entire overlay area, applying a minimum two-coat epoxy polymer overlay, and providing a three-year performance warranty for the multi-layer epoxy polymer overlay. The work shall include removing unsound concrete, disposing of the old concrete, preparation of the repair area, and furnishing, placing, finishing, and curing the concrete for repairs to bridge decks and/or approaches. Backfill for Traffic: (i) Culverts having two feet or more depth of excavation, within 15 feet of traveled way shall be backfilled to 15 feet minimum from the edge of the traveled way prior to removing traffic control. Backfill for traffic shall be to the final grade or to the limits shown in Figure 702.03. Additional excavation for culverts may be required. (ii) The Engineer may also determine that it is necessary or desirable to allow vehicles (construction or otherwise) to travel over a pipe or box culvert. The volume to be compacted adjacent to the pipe or box culvert shall be that between vertical planes located five feet (1.5 m) outside of and parallel to the neat lines of the pipe or barrel at its maximum horizontal dimension and a 1 vertical to 6 horizontal slope to natural ground line.