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Investigations for horizontal directional drilling (HDD) - Three SE Queensland case studies
04/08/2010
The Parsons Brinckerhoff Brisbane office has been involved in three major horizontal directional drilling (HDD) projects for water and wastewater infrastructure in south-east Queensland for local government clients.
Three case studies illustrate the methodology developed for the geotechnical investigations and preliminary design for HDD projects, and highlight the key issues to be addressed in the preparation of AS 4300–1995 General Conditions of Contract for Design and Construct tender documents