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Design-Build Project Announcement

Replacement of Existing 54-inch Force Main from Central District Wastewater Treatment Plant (CDWWTP) to Fisher Island, under Norris Cut 
MDWASD Project No. S048429

Miami Dade Water and Sewer Department (MDWASD) announces an upcoming design-build project to replace the existing 54-inch force main (FM) from the Virginia Key Central District Wastewater Treatment Plant (CDWWTP) under Biscayne Bay Norris Cut to Fisher Island. The FM, constructed in 1977 with pre-stressed concrete cylindrical pipe (PCCP), was subjected to a condition assessment in 2012 that identified numerous pipe segments with distressed pre-stressed bands. This FM is a portion of the sole pipeline that collects raw sewage from Miami Beach and Northern municipalities and transmits it to the CDWWTP for treatment. Therefore, the pipe must remain in continuous operation during this replacement project.

Design-Build services will include planning, engineering, design, permitting, procurement, construction / installation, testing and startup of a new 60-inch replacement FM. Project elements include:

  • Approximately 5,200 linear feet of tunnel boring with precast segmental liners capable of accommodating a 60-inch internal diameter carrier pipeline.
  • Approximately 2,500 linear feet of open cut construction to install a 60-inch diameter pipe.
  • Approximately 1,000 linear feet of horizontal directional drilling (HDD) to install 8-inch pipe that will relay the sewage flow from the Fisher Island Pump Station (PS 170) to the tunnel.
  • The replaced 54-inch FM will be cut, flushed, plugged at terminal locations, and abandoned for potential rehabilitation in the future.

The estimated project value is $60 to $80 million. Procurement selection of the Design-Builder will be via a two-step "best value" process that considers both non-price and price factors. Step one will require a Statement of Qualifications (SOQ) submittal from each interested Design-Builder team to establish a shortlist of the most qualified proposers ("shortlisted proposers"). Step two will require a technical and price proposal from each shortlisted proposer based on a Design Criteria Document for evaluation and final selection of the Design-Builder.

Download the solicitation documents by clicking on the subject project number.

Primary Contact:
Faith Samuels
Sr. A/E Consultant Selection Coordinator
Miami-Dade County
Internal Services Department
111 N.W. 1st Street, 13th Floor
Miami, FL 33128
305-375-2774

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Back to Top Page Last Edited: Tue Mar 26, 2013 12:25:34 PM
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