Winona Drive Lift Station and Sewer Main


  • Local Governments
  • Public Utilities


  • Engineering
  • Environmental
  • Potable Water
  • Wastewater
  • Water
  • Water Resources


  • Pasadena, Texas

The Winona Drive lift station and sewer main project consists of the construction of approximately 937 linear feet of 24-inch diameter gravity sanitary sewer main and a new sanitary sewer lift station. The proposed lift station consists of a 16.5-foot diameter wet well and four (4) submersible pumps – three (3) duty and one (1) standby. The lift station’s firm capacity is 3,200 gallons per minute (gpm) at a total dynamic head of 51 feet. The lift station will pump into approximately 640 linear feet of proposed 16-inch diameter PVC forcemain which will be tied into an existing 24-inch diameter forcemain and ultimately discharges into the headworks of the city’s Vince Bayou Wastewater Treatment Plant. The purpose of this project is to eliminate an existing siphon under Vince Bayou and to reduce the flow to the existing West Pitts Lift Station to more effectively convey the wastewater flow from the service area. The project included a street replacement for new sewer lines.

The gravity sewer and lift station were constructed to remove a leaking inverted siphon that crossed Vince Bayou. TCEQ required this siphon to be removed with a deadline for completion. The City provided the site for the new lift station to be in an adjacent park. Proximity to the park caused delays in the acquisition of the new site, complete survey and geotechnical studies, and coordinate with other adjacent projects. HR Green kept sight of the looming deadline and fast-tracked the lift station project design to meet the resulting construction duration and project deadlines.

HR Green provided sanitary and storm sewer design plan and profile sheets; roadway, sidewalks, and retaining walls; pump hydraulics; and project management for this project. Survey and geotechnical service sub-consultants were used to support design.

HR Green provided internal intra-discipline and cross-discipline review of plans, specifications, and construction cost opinions at 30%, 60%, and 90% design review milestones. HR Green construction management staff also provided constructability reviews. HR Green’s internal third-party review was also implemented.

HR Green provided construction administration on the Winona Drive lift station, which included reviewing shop drawings, addressing Contractor questions and clarifications, reviewing pay applications and schedule, attending monthly progress meetings and site visits, and reviewing substantial and final completion with a punch list. HR Green also provided record drawings, closeout paperwork, and startup services.

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