City of Bridgeport - Deegan Lake Dam Water Control Grouting RFP

Description: Project consists of water control grouting program will be conducted to address clear leakage observed in the box culvert near the concrete core wall. The grouting program will be conducted in two parts: (1) injecting polyurethane-based grout through drilled holes near the observed leaks to seal around the box culvert, and (2) installing a grout block of about 1,800 cubic feet upstream of the concrete core wall. The grout block should extend roughly 5 feet above the box culvert, reach down to bedrock, and provide lateral coverage of about 5 feet on either side of the culvert.