Basis of compilation of horizontal directional drilling

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Horizontal directional drilling construction scheme for trenchless crossing project(1)

Chapter 1 Basis of compilation of horizontal directional drilling Main basis for compiling construction plan 1) Determine the point location according to the scene investigation 2) Hydrological and geological exploration data of the construction area 3) Relevant technical standards, specifications and procedures (meeting the water supply requirements) : technical specification for horizontal directional drilling pipeline laying (CSTT) 4) Survey of the …


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