Title
Consider a resolution authorizing the Mayor to execute a Contract with T. Gray Utility Company for the 2016 Wastewater Collection System Rehabilitation - Manhole Rehab, Point Repairs, & Open Cut Project.
Body
The City is required to continue our Wastewater Collection System Rehabilitation program in order to comply with the Texas Commission the Environmental Quality's (TCEQ) Edwards Aquifer Recharge Zone Protection Program which requires that wastewater collection system located over the Edwards Aquifer be inspected and rehabilitated every five years. the elimination of defects will not only help protext the Edwards Aquifer, but will also reduce inflow and infiltration entering the City's wastewater collection system, thereby reducing the City's treatment cost. The City has completed the inspection of 12 sub-basins to determine areas that require rehabilitation for this project.
The work will be performed in sub-basins BC01, BC20-Z, CC32-Z, CC34-Z, CC35-Z, CC37-Z, LC09-Z, LC15-Z, LC16-Z, LC17-Z, LC18-Z & LC19-Z. The project includes cementitous manhole coating; 300 vertical feet of complete manhole rehabilitation; manhole cone, chimney seals, cover/frame seal, bench/trough repairs/ replacements; 950 linear feet line replacement; 75 point repairs; new manhole installation; and 3,130 linear feet of open cut line sizes ranging from 6 to 12 inches in diameter.
Four contractors submitted bids for this project. The low bidder was T. Gray Utility Company in the amount of $1,362,800. Construction performance references by KPA Engineers indicate satisfactory results. Staff recommends approval of this contract to T. Gray Utility Company for the 2016 Wastewater Collection System Rehabilitation Project.
Cost: 1,362,800
Source of Funds: Self-Financed Wastewater Construction