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Historical Version s - view previous versions of standard. More D The samples are expected to provide indications about the geological, physical, and engineering nature of the subsurface for use in the design and construction of an engineered structure.
The core samples need to be preserved using specific procedures for a stipulated time Practices D The period of storage depends upon the nature and significance of the engineered structure.
The borehole could be vertical, horizontal, or angled. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Users should seek qualified professionals for decisions as to the proper equipment and methods that would be most successful for their site exploration. Other methods may be available for drilling and sampling of rock, and qualified professionals should have flexibility to exercise judgment as to possible alternatives not covered in this practice.
This practice is current at the time of issue, but new alternative methods may become available prior to revisions; therefore, users should consult with manufacturers or producers prior to specifying program requirements. This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances.
This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Also, the user must comply with prevalent regulatory codes, such as OSHA Occupational Health and Safety Administration guidelines, while using this practice. For good safety practice, consult applicable OSHA regulations and other safety guides on drilling 1. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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Active view current version of standard. Other Historical Standards. More D The borehole could be vertical, horizontal, or angled. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Users should seek qualified professionals for decisions as to the proper equipment and methods that would be most successful for their site investigation.
Standard Practice for Rock Core Drilling and Sampling of Rock for Site Investigation