Plastic Pipes Conference Association # 2021 Amsterdam
Bruce Mowry, PhD, P.E., Brian Dorwart, P.G., P.E., David Mancini, Bryan Fletcher, Roger Williams, P.E., Rene Brito, EIT, Arnelio Alfonso, P.E .
The City of Miami Beach owns and operates a 54-inch sanitary sewage PCCP force main (FM) that was built in 1977. This FM is the only transmission pipeline for conveying about 22 million gallons per day (MGD) of raw sewage to the wastewater treatment plant. In 2012, the City identified structural deficiencies in the PCCP pipe. Due to the associated risks, the City prioritized the implementation of a new redundant 54-inch HDPE FM that could be commissioned in one year. HDPE was selected due to its low life cycle cost, well-established monolithic fusion features, axial strength to withstand the pullback loads, surge allowance, resistance to corrosion, and due to its highly ductile properties which made HDPE the ideal material for Horizontal Directional Drilling (HDD). In addition, the locally experienced HDD team was crucial in developing this solution.
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