Fully Structural Renewal of 39-inch PCCP Water Transmission Main with Swagelining™ and HDPE

摘要

1. Gulf Coast Water Authority and City of League City, Texas faced with need to renew critical 39-inch PCCP water transmission main along Calder Road 2. PCCP main installed in 1971 which was susceptible to severe breaks due to internal wire corrosion 3. Calder Road is scheduled for reconstruction and widening 4. City of League City receives treated waterfrom two sources 4.1 City of Houston's SE WTP to the north 4.2 Gulf Coast Water Authority's Thomas Mackey WTP to the south 5. Full Structural Solution Required to meet: 5.1 All internal pressures (125 psi) 5.2 All external loading requirements 6. No support from the host pipe.