Specifications include, but are not limited to: Excavate and install one 2” agricultural water lines from the new WVAWC tap
near the parking garage to the new contractor provided in ground junction box.
Backfill shall comply with the following, a 4- inch layer of fine sand shall be
placed and tamped in the trench to provide a uniform bedding for the system. The
backfill over the piping shall be of the selected materials and shall be placed by
hand in 6" layers and tamped to a minimum distance of 18" over the top of the
pipe. The backfill material shall be compacted to 95 percent density. Do not use
frozen fill, sod, cinders, slate, or stones as backfill. Do not compact the backfill
with heavy wheeled or tracked equipment. The Contractor shall be responsible
for protecting new and existing lines. Backfilling of the trench shall be carried
on simultaneously on both sides of the conduit and pipe in such a manner that
unequal or unbalanced side pressures do not occur. Conduit shall be installed on
a sand base for uniform pipe support and to prevent unequal settlement. Also
provide a minimum of 6 inches of pea gravel or crushed limestone envelope
completely around the sides and above the conduit. Slag in any form will not be
permitted. See appendix A attached for restoration of grounds.