Project Description

Forced Drainage Project 1-1A – Little Bayou Black Pump Station

Public Works – Local
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The Challenge

To Be Met

Terrebonne Levee and Conservation District (TLCD) intended to construct approximately 110 acres of marsh platform to mitigate for the impacts from the Reach F portion of the Morganza to the Gulf Interim Flood Risk Reduction Project.Terrebonne Parish Consolidated Government (TPCG) needed to improve drainage and reduce the risk of flooding in the 1-1A basin. This need turned into Phase 4 of the 1-1A Forced Drainage Project, which involved the installation of the Little Bayou Black Pump Station.

Rendering of Pump Station
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The Solution

Our Creative Approach

TBS gathered all relevant historical data related to the project from TPCG and our own archives, and reviewed and analyzed the data to determine if the project’s requirements and goals could be met utilizing the existing parameters, giving consideration to the proposed structure location, right-of-way requirements, and environmental constraints. Due to the size and resources in the 1-1A watershed, TBS proposed the concept of an open/closed drainage system in order to preserve 8,900 acres of fresh marsh. The pump station includes a radial gate which allows Little Bayou Black to remain navigable during normal conditions and can close in order to pump down the watershed during a high water event.

Integrated Services

Making the Perfect Solution

  • Feasibility / Planning / Alternatives Analysis

  • Program Management

  • Topographic & Boundary Surveys

  • Hydraulic and Hydrologic Analysis

  • Drainage Impact Studies / Master Drainage Plans

  • Environmental Studies

  • Regulatory Compliance / Environmental Permitting

  • Levee and Pump Station Design, Bulkheads

  • Engineering Design – Civil & Mechanical

  • Construction Services

  • Grant Applications/Compliance

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