Reestablishing the Water Main: An Emergency HDD Installation at Lombardi Gulch

摘要

The City of Santa Cruz Water Department (SCWD) is currently replacing 18,000 linear feet of water transmission main located three miles northwest of Santa Cruz, California. The existing pipeline was built in the 1950s and is part of the North Coast System (NCS), which consists of 16 miles of pipe network and stream diversion structures. While the primary method of replacement is open trench methods, the project contains five trenchless pipe installations, four horizontal auger bores (HAB) and one horizontal directional drill (HDD).