The construction of the remaining 240 lineal feet (approx.), 12 feet high (approx.) Redi-Rock retaining wall. The work shall consist of excavation and removal of material as required to meet the proposed grade, placement of approximately 3,000 tons of 2RC backfill aggregate, 14.0-feet of 15” watertight HDPE storm pipe. The installation of the remaining 10-feet deep (approx.) 48” manhole with standard 24” lid. The installation of a 10.00’x 4.00’x9.46’ outlet structure with standard 24” manhole lid and 2’x3.77’ standard M-Top with bicycle safe grate. (Material to be supplied by owner “Liberty Fire Co”) The installation of 70-feet (total) of 60” watertight HDPE storm pipe with watertight end caps (Material to be supplied by owner “Liberty Fire Co”) Alternate Bid No. 1 shall consist of saw cutting the existing macadam parking area. Alternate Bid No. 2 shall consist of installation of approximately 60 lineal feet of block retaining wall to be installed along the existing concrete sidewalk adjacent to the existing pavilion. Alternate Bid No. 3 Installation of 240 – feet (approx.) 4’ high, Redi Rock Magic barrier wall.
