13th Street West Pump Station Improvements, Contract 3-2025, Huntington Sanitary Board, West Virginia

Huntington Sanitary Board

Rehabilitation of the existing 4th street pump station facility including demolition of existing pump station above grade components, internal dry well components, pumping equipment and appurtenances, and electrical control and instrumentation components; modifications to convert the existing dry well substructure to a submersible wet well; installation of new pumping equipment and appurtenances, electrical control and instrumentation components; new control building; standby generator; installation of a combined sewer regulator structure and sewer improvements; and completion of site improvements and restoration.

Town of Lucama

Work includes 2019 CWSRF sanitary sewer improvements, sewer replacement and pump station rehabilitation.

City of Chattanooga

Part 1 - tiftonia #3 pump station improvements: consists of the following major work elements: demolition of existing prefabricated pump station, control panel, control panel canopy, and associated appurtenances; replacement/expansion of existing fence and gates; furnishing and erecting new redi-rock retaining walls; replacement/expansion of existing graveled surfaces; installation of new cast-in-place concrete wetwell and valve vault (including access hatches and fall protection safety grating) adjacent to existing pump station; furnishing and installing three (3) new submersible sewage pumps, ductile iron piping and fittings, and appurtenances in new wetwell; furnishing and installing new ductile iron piping and fittings, valves, and appurtenances in new valve vault; furnishing and installing a new 5-foot by 6-foot flow meter vault; furnishing and installing new 18-inch-diameter force main piping (60+/- l. F. ), new 14-inch-diameter force main piping (20+/- l. F. ), fittings, valves, and appurtenances from new valve vault to tie-in point into existing force main; placement of a new cast-in-place reinforced concrete vehicle approach pad adjacent to the new pump station wetwell/valve vault; furnishing and installing new control panel, control panel canopy, vfds panel, automatic transfer switch enclosure, telemetry panel, and appurtenances; furnishing and installing new 30-inch-diameter ductile iron gravity sewer line (76+/- l. F. ) between existing 18-inch-diameter ductile iron gravity sewer line to the existing wetwell and the new wetwell (including two new 5-foot-diameter manholes); furnishing and installing a new diesel-operated backup generator, concrete mounting pad, and appurtenances; furnishing and installing a new 3/4-inch-diameter water service line (145+/- l. F. ) from the existing water main to a new backflow preventer housed in a hot box; furnishing and installing a new water meter for the new water service line; placement of a new cast-in-place concrete wash down pad; backfilling, grading, and graveling a new site access drive (40+/- l. F. ); furnishing and installing a new temporary bypass pump connection assembly; temporary bypass pumping; and miscellaneous electrical work. Part 2 - winterview pump station improvements consists of the following major work elements: removal of the existing submersible grinder sewage pump from the existing 4-foot-diameter wetwell; removal of the steel frame and fiberglass hinged hood over the existing wetwell; removal of the ductile iron pipes and fittings, hose and appurtenances from the existing wetwell; dismantling of the existing pump controls/rack and relocation of telemetry panel; removal of select trees adjacent to new pump station site; furnishing and erecting new redi-rock retaining wall around the perimeter of the new pump station site; furnishing and installing a new 6-foot-diameter precast concrete wetwell (including access hatches and fall protection safety grating) adjacent to existing pump station; furnishing and installing two (2) new submersible grinder sewage pumps, guide rails, ductile iron piping and fittings, and associated appurtenances in the new wetwell; furnishing and installing a new precast concrete valve vault (including ductile iron piping fittings, valves, and associated appurtenances); furnishing and installing new 4-inch-diameter ductile iron force main piping, fittings, and associated appurtenances from the new valve vault to the tie-in point to the existing 4-inch-diameter force main; furnishing and installing new control panel, control panel canopy, and appurtenances; furnishing and installing a new 12-inch-diameter ductile iron gravity sewer line between existing and new wetwells; placement/grading/compacting of fill material within new pump station site; furnishing and installing new fence and access gate around the perimeter of the new pump station site; placement of the new pavement at the new pump station site; replacement of the existing air release valve assembly near the intersection of winterview lane and scenic highway; replacement of the existing combination air/vacuum valve assembly along battlefield walk and bike trail; and miscellaneous electrical work.