City of Marlin WTP Improvements, Gravity Filtration System
Description: The project includes demolition of the existing membrane filtration units at the water treatment plant (WTP) and replacement of these units with a gravity filtration system. Work will be conducted inside the filtration building at the WTP and include two (2) steel gravity filtration vessels, a steel walkway, a skid mounted filtrate pump station, piping modifications, electrical and controls. Improvements to the SCADA systems and controls and replacement of the backwash pumps are included as allowance items.
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Construction of the Hypochlorite Generation and Feed System at the Blanchard Water Treatment Plant including modifications to the existing Chemical Building, and Operations Building, Bulk Chemical Storage Area, site work, piping modifications, electrical, SCADA, and all other related work and appurtenances.
Furnishing necessary labor, materials, equipment, tools, and guarantees to construct the Wildwood WTP Improvements. Work includes furnishing and installing a second filter, piping, valves, control valves, associated electrical, instrumentation and controls, modifications to the access platforms and stairs around the filter, and replacing existing control valves on Filter 1. Optional additive work includes modifications of Filter 1 including replacement of clarifier media, filter media, screens, nozzles, manifold, and repair painting.
Construction of Wildwood Water Treatment Plant Improvements, including installation of a second filter, piping, valves, electrical, instrumentation, controls, access platform modifications, and replacement of existing control valves on Filter 1, with potential modifications to Filter 1 clarifier and media.
The Nanty Glo Water Authority is soliciting construction bids for Water Treatment Plant Filtration Improvements, including a third filtration unit, a second backwash equalization tank, a precast valve vault and parallel plate settling vault, a new garage building, and related site work, demolition, and appurtenances. Bids are requested under Contracts 2026-1, 2026-2, and 2026-3 and will be received and publicly opened on October 28, 2026 at 4:00 PM local time. This is a construction procurement funded through PENNVEST, not a grant-program solicitation.
