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ASTM-F1962:2005 Edition

ASTM-F1962:2005 Edition

$44.96

F1962-05e1 Standard Guide for Use of Maxi-Horizontal Directional Drilling for Placement of Polyethylene Pipe or Conduit Under Obstacles, Including River Crossings

Published By Publication Date Number of Pages
ASTM 2005 18
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1.1 This guide describes the design, selection considerations, and installation procedures for the placement of polyethylene pipe or conduit below ground using maxi-horizontal directional drilling equipment. The pipes or conduits may be used for various applications including telecommunications, electric power, natural gas, petroleum, water lines, sewer lines, or other fluid transport.

1.2 Horizontal directional drilling is a form of trenchless technology. The equipment and procedures are intended to minimize surface damage, restoration requirements, and disruption of vehicular or maritime traffic with little or no interruption of other existing lines or services. Mini-horizontal directional drilling (min-HDD) is typically used for the relatively shorter distances and smaller diameter pipes associated with local utility distribution lines. In comparison, maxi-horizontal directional drilling (maxi-HDD) is typically used for longer distances and larger diameter pipes common in major river crossings. Applications that are intermediate to the mini-HDD or maxi-HDD categories may utilize appropriate medi equipment of intermediate size and capabilities. In such cases, the design guidelines and installation practices would follow those described for the mini- or maxi-HDD categories, as judged to be most suitable for each situation.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information purposes only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of the regulatory limitations prior to use. Section 6 contains general safety information related to the use of maxi-horizontal directional drilling equipment.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
FIG. 1
3 Preliminary Site Investigation
5 Safety and Environmental Considerations
TABLE 1
6 Regulations and Damage Prevention
Bore Path Layout and Design
8 Pipe Design and Selection Considerations
9 FIG. 2
12 Implementation
14 Inspection and Site Cleanup
15 X1. MATERIAL PROPERTIES OF POLYETHYLENE
X1.1 Material Properties of Polyethylene
X2. POSTā€“INSTALLATION LOADS AND DEFLECTION OF HORIZONTAL DIRECTIONAL DRILLED PIPES
X2.1 Allowable Tensile Load
X2.2 Earth Pressure Calculation
TABLE X1.1
16 X2.3 Earth Load Deflection
X2.4 Buoyant Deflection
X2.5 Reissner Effect
X2.6 Deflection Limits
17 X3. CRITICAL BUCKLING PRESSURE FOR HDPE PIPE
X3.1 Critical Buckling Pressure
REFERENCES
TABLE X2.1
TABLE X3.1

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