Pasadena Force Main Replacement

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Pasadena Force Main Replacement 

Project Overview

The City is planning to construct the replacement of the existing 36-inch diameter wastewater transmission force main pipe that transfers wastewater from the Pasadena Master Pump Station located at 6901 Park Circle S. to the Northwest Water Reclamation Facility located at 7500 26th Ave. N. This project will construct the final connection of the (Phase III) replacement wastewater transmission force main as shown on the project site map. The Phase I and Phase II force mains have already been constructed and are in service.

The Pasadena Master Pump Station and its associated force main provides essential wastewater service to a population of approximately 50,000 and collects wastewater for treatment from the Causeway Isle, Yacht Club Estates and Historic Park Street neighborhoods as well as the Pasadena and Bear Creek areas. This facility also serves adjacent communities outside of the city limits including Treasure Isle, St. Pete Beach, South Pasadena and Bear Creek. The facility was originally constructed in 1979 and has an average daily flow of 5 million gallons per day.

The original transmission force main was constructed with prestressed concrete cylinder pipe that was manufactured with Class IV prestressing wire. The Class IV prestressing wire has been found to be more susceptible to corrosion which can lead to premature pipe failure, and it is recommended to replace this type of pipe before failure occurs. Once the transmission force main is constructed, the project corridor will be restored to original conditions and the roads will be repaved. A final schedule to implement these improvements is still in development.

Potential Public Impact

The work will be within the existing public rights-of-way along 71st St. N. (1st Ave. S. to 5th Ave. N.), along 5th Ave. N. (71st to 72nd St.), and along 72nd St. N. (5th to 8th Ave.). The work will consist of constructing the 36-inch diameter force main pipe and associated accessories, and restoration will include repaving the roads. The Phase III project will complete the replacement of this wastewater transmission force main.

The City has made efforts to minimize the potential for traffic disruptions and unnecessary inconveniences during the construction phase of this project. However, due to the location of new and existing underground utilities, it will be necessary to temporarily close traffic lanes and detour traffic for limited periods of time. The contractor will be required to maintain access to businesses and residences affected by these construction activities.

Public Input Opportunities

Public Meetings

Virtual Public Outreach Meeting #1
Wednesday, Sept. 23, 2020 at 6:30 p.m.