DAVENPORT RANCH, AUSTIN, TEXASCROSSING LAKE AUSTIN USINGHORIZONTAL DIRECTIONAL DRILLING

摘要

The Austin Country Club (ACC) and Davenport Ranch development needed torndecommission its independent wastewater treatment facility and connect to the Cityrnof Austin's wastewater conveyance system. To support this initiative, the City ofrnAustin developed a Master Plan to build a new Lift Station in the ACC area andrndischarge the wastewater to the city's Cross Town Tunnel. To implement their plan,rnthe City would need to design and construct a 4,000 foot force main that crossed thernACC golf course and Lake Austin. Concurrently, the City partnered with AustinrnEnergy, the local electrical supplier, to bundle the force mains with a series ofrnelectrical conduits, allowing Austin Energy to extend electrical service between thernDavenport Ranch development and the Austin Energy transmission system on thernother side of Lake Austin. This paper discusses the many challenges addressedrnduring the design and construction phases of the project, ultimately resulting in arnsuccessful HDD installation, providing vital new wastewater and electricrninfrastructure to the residents and businesses surrounding Davenport Ranch.