679509.04 SECTION 509—FLOW ABLE BACKFILL PLACEMENT
509.01 Description
This work shall consist of furnishing and placing flowable fill for use as backfill material in pipe instal - lations or in other uses at locations as designated on the plans or as designated by the Engineer, and as backfill material for plugging designated abandoned pipes and culverts.
509.02 Materials
Flowable backfill shall conform to Section 249.
509.03 Procedures
The Contractor shall mix and transport flowable backfill in accordance with Sections 217 and 249 or by other methods approved by the Engineer. Temperature of flowable backfill shall be at least 50 degrees F at the time of placement. The Contractor shall protect the material from freezing for 24 hours after placement. When used as backfill for pipe installation floatation or misalignment of the pipe may occur while the material is in its plastic state. The Contractor shall maintain correct alignment of the pipe by means of straps, soil anchors or other approved means of restraint. When flowable backfill is used to fill the voids in abandoned pipes and culverts, the pipes and culverts shall be plugged and then backfilled in accordance with the plan details, the VDOT Road and Bridge Standards, or as directed by the Engineer. The flowable backfill materials shall be installed in the aban - doned pipe or culvert in such a manner as not to create voids. When deemed necessary by the Engineer, the Contractor shall submit a plan of operations for the Engineer’ s acceptance showing how the flowable backfill will be placed without voids. The opening for culvert flowable backfill installation shall be sealed with Class A3 concrete conforming to Section 217 or masonry conforming to Sections 204, 218, and 222 as applicable at the completion of backfilling.
509.04 Measurement and Payment
Flowable Backfill will be measured in cubic yards and will be paid for at the contract unit price per cubic yard. When used as backfill material in pipe installations or in other uses at locations as designated on the plans or by the Engineer, this price shall include furnishing and placing flowable backfill, securing the pipe alignment, and for all materials, labor, tools, equipment and incidentals necessary to complete the work. When used as backfill material for plugging designated abandoned pipes and culverts, this price shall include furnishing and placing of backfill material and furnishing and installing plugs. Payment will be made under: ———————————————————————Pay Item Pay Unit———————————————————————Flowable Backfill Cubic yard——————————————————————— 680510.01 SECTION 510—RELOCATING OR MODIFYING EXISTING MISCELLANEOUS ITEMS
510.01 Description
This work shall consist of removing, salvaging, resetting, relaying, adjusting, installing, modifying, reconstructing, or relocating existing items or items furnished by the Department or others, including, but not limited to, right-of-way monuments, guardrail, riprap, drainage structures, traffic control devices, water or sanitary sewer facilities, or other items designated on the Plans or elsewhere in the Contract.
510.02 Materials
The principal materials to be used in this work shall be salvaged items or materials from current or previous construction. Items shall be constructed, adjusted, modified, or reconstructed with the same type of material as was used in the original construction. The suitability of existing material for salvage, modification, or reuse will be as designated in the Contract or determined by the Engineer. New, salvaged, or refurbished materials necessary for resetting, relaying, adjusting, modifying, or relocating the item specified shall conform to the applicable specifications for items of the same character and type. Salvaged or refurbished materials shall be in good working and useable condition. Preparation for use shall include cleaning, repainting, and refinishing to the approximate original condition.
510.03 Procedures
Materials designated for salvage shall be carefully removed, dismantled, cleaned, and stockpiled in areas where they will not be damaged or shall be delivered to a storage area designated in the contract or by the Engineer. Material that is not designated for salvage shall be disposed of in an approved disposal area. Items designated for relocation, relaying, adjustment, modification, or installation shall be installed in accordance with the applicable specifications or as directed by the Engineer.
510.04 Measurement and Payment
Removing, resetting, relaying, adjusting, installing, modifying, reconstructing, or relocating des - ignated items will be measured by the unit specified in the Contract in accordance with the plans and the applicable sections of these specifications and will be paid for at the contract unit price for the specified item and action designated. This price shall include salvaging by dismantling, loading, transporting, and unloading furnished materials; cleaning, repainting, and refinishing or refurbishing salvaged items; removing, resetting, relaying, adjusting, installing, modifying, reconstructing, or relocating designated items; salvaging or disposing of surplus and unsuitable material; excavating; trenching; backfilling; preparing foundation; reconnecting components for electrical and electronic items; revising wiring diagrams or schematics; and restoring disturbed areas. Payment will be made under: