Council approves composite manhole lid rehabilitation in Quail Run to reduce inflow, estimated $22,360 cost
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Summary
Council authorized rehabilitation of Quail Run manholes using watertight composite lids and frames to reduce inflow-and-infiltration and illegal access; staff said the project would be funded from FY24–25 budget (fund balance/utility revenue) and estimated the vendor quote at $22,360.
The City of White House City Council on July 22 approved a project to rehabilitate manholes in the Quail Run area using composite lids and frames intended to make the structures watertight, reduce rainfall inflow and infiltration, and deter illegal dumping or lid tampering.
Public Works staff explained the Quail Run collection system has experienced worsening inflow-and-infiltration, in part because sewer lines run under drainage ditches in the neighborhood. Staff recommended replacing existing manholes with composite lids and frames that bolt together to seal and resist chemical corrosion, reducing rainwater intrusion and lowering operational impacts on the wastewater plant. Staff said similar covers are used on roads and highways and include a metal plate to allow locating if covered in paving.
Council asked about the financial impact and sources. Staff said the quote for the parts and installation came from an underground supply vendor and the cost would be funded in the FY24–25 budget with an amendment, using fund balance or sewer revenue surplus; the figure cited in the packet was $22,360. Staff said there are about 15 total manholes in the area to address and estimated a one- to one-and-a-half-month construction time if crews can average two installations per day. Council approved the rehabilitation motion by voice vote.
Staff said if the lids prove effective they may extend the approach to other areas subject to inflow and infiltration.