Specifications include, but are not limited to: INSTALLATION OF FLEX BASE MATERIAL: This item relates to base preparation for street repairs and covers the removal and disposition of 6” of existing sub-grade material at street repair locations and placement of 6” of compacted flex base material prior to pouring new concrete.; INSTALLATION OF 6” INTEGRAL CURB: This item shall cover the placement and/or replacement of the 6-inch concrete curb in conjunction with the street pavement repairs. (Refer to City of Carrollton GDS, Detail Sheet P-9); REMOVE AND REPLACE 4” SIDEWALKS: This item covers the replacement of sidewalks that are deemed to be sub-standard or constitute a trip hazard. This work is performed in conjunction with adjacent street repairs being made by the contractor, so additional mobilization is not needed. The minimum thickness for sidewalk replacement shall be four inches. Cost of sidewalk replacement will include Sawing and removal of damaged concrete, leveling and compacting soil under area to be replaced, placement and removal of forms, backfilling, and clean-up around finished job. If the sidewalk to be repaired is adjacent to a back of curb, the sidewalk shall be “doweled” into the existing street with epoxy below the flow line or bottom of curb, on an approximate 45-degree angle with #3 rebar on 18-inch centers. (Refer to City of Carrollton GDS,); INSTALLATION OF RETAINING WALL AND STONE VENEER FOR WALK / WALL COMBINATION: This item will provide for the installation of a retaining wall and associated stone veneer where it is determined that a sidewalk / retaining wall combination is necessary. This will include reinforcing steel, granular backfill materials and Millsap stone veneer. Payment will be for the construction of the retaining wall only. Payment for associated sidewalk work will be paid as Repair of Sidewalks. (Refer to City of Carrollton GDS); REMOVE AND REPLACE 18” CURB AND GUTTER: Remove existing curb and gutter. Replace to match existing. Concrete shall be reinforced with three #3 rebar continuous. Expansion joints shall be placed at 200-foot maximum intervals and at intersections, returns and other rigid structures. The repair shall be “doweled into” the remaining pavement with “deformed” half inch (#4) bars on 18-inch centers.; VERTICAL ADJUSTMENT OF WATER VALVE STACKS, METER CANS, SEWER CLEAN OUTS or IRRIGATION CONTROL BOXES: This item shall provide for the vertical adjustment of water valve stacks, meter cans, sewer clean outs or irrigation control boxes due to grade changes because of adjacent construction. Contractor must consult with the Contract Administrator to determine whether adjustment of these items is necessary on a case-by-case basis.; REBUILDING OF BRICK MAILBOXES: This item shall provide for the take down and rebuilding of brick mailboxes due to relocation or grade changes. It does not cover mailboxes damaged by the contractor. Any mailboxes damaged by the contractor will be repaired at the contractor’s expense.; REPLACEMENT OF TOPSOIL FILL MATERIAL: This item shall provide for additional backfill material needed above and beyond a normally required amount for the work, such as leveling parkways. Adjustment of irrigation lines and heads because of leveling parkways is to be included in the unit price for this type of work. The material is to be free of rocks, roots, and other foreign materials and of a good quality for this purpose.; REPLACEMENT OF COMMON BERMUDA SOD: This item shall provide for the replacement of like sod, typically when the work disturbs more than six inches of the sod adjacent to the work or when leveling of the parkway is necessary. The sod is to be placed uniformly, watered, and rolled with a grass roller designed for this purpose.
