City of League City, TX - File #: 17-0551

• File #: 17-0551
• Version: 1
• Name: SER Construction Partners for Dallas Salmon WWTP and North Kansas Ave project
• Type: Agenda Item
• Status: Approved
• File created: 8/31/2017
• In control: City Council
• On agenda: 9/12/2017
• Final action: 9/12/2017
• Title: Consider and take action on a resolution for a construction contract with SER Construction Partners, LLC for the Dallas Salmon WWTP Effluent Discharge Improvements (WW1601) and the North Kansas Avenue Street Reconstruction (RE1702A) Project, in the amount of $6,994,382.50, authorization of a Work Change Directive budget in the amount of $699,440, and authorization of a Construction Material Testing Services budget in the amount of $209,830 for a total of $7,903,653.50 (Interim Director of Public Works)

Date	Ver.	Action By	Action	Result
9/12/2017	1	City Council	Approved	Pass

Title
Consider and take action on a resolution for a construction contract with SER Construction Partners, LLC for the Dallas Salmon WWTP Effluent Discharge Improvements (WW1601) and the North Kansas Avenue Street Reconstruction (RE1702A) Project, in the amount of $6,994,382.50, authorization of a Work Change Directive budget in the amount of $699,440, and authorization of a Construction Material Testing Services budget in the amount of $209,830 for a total of $7,903,653.50
(Interim Director of Public Works)

Background:
If approved, this resolution will authorize the award of the construction contract to SER Construction Partners, LLC for construction of the Dallas Salmon WWTP Effluent Discharge Improvements (WW1601) and the North Kansas Avenue Street Reconstruction (RE1702A) Project, authorize funds for a Construction Work Change Directive budget, and authorize funds for a Construction Material Testing Services budget.

The Dallas Salmon WWTP Effluent Discharge Improvements portion of this project consists of structural modifications to the existing effluent discharge structure and the installation of concrete conduit from the Dallas Salmon WWTP discharge structure, following the perimeter of the fire training facility, continuing northwest along the east side of Kansas Avenue to a new outfall structure to be constructed at Clear Creek. The outfall structure will be constructed to withstand tidal, stream flow, and associated bank erosion issues.

During the 2014 Dallas Salmon WWTP permit renewal process, the Texas Commission on Environmental Quality (TCEQ) reclassified the manmade discharge channel as a tidally influenced water body. The small cross section of the channel influenced the copper and zinc concentration calculations, thereby requiring very stringent limits on the renewed discharge permit. Staff and its design consultant visited with TCEQ in Austin to formulate a reasonable solution. All agreed that treating the effluent to meet the proposed...