Library
MembersGuideline2010
ASTT Guidelines for Horizontal Directional Drilling, Pipe Bursting, Microtunnelling and Pipe Jacking
Abstract
Full paper available to ASTT members
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Techniques
Member companies
Corporate members delivering Horizontal Directional Drilling (HDD)
J&R Contracting LimitedDirectional Drilling
Open TrenchingWNZWSP New Zealand LtdFrom mountains to sea, our water experts design innovative solutions and train our industry to deliver sustainable solutions and enhance the health of water across New Zealand.WCWitt ConsultingTunnel design and rehabilitation specialists