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(a) Whenever borings are required to determine the subsurface conditions, they shall be made in accordance with the requirements of this section.
(b) All borings shall be made by a procedure that provides information capable of serving as a basis for the classification of the subsurface materials as specified in Section 13-132-030. In particular, data shall be obtained to ascertain the consistency of clays.
(c) The boring report shall contain a record of all strata encountered, including their color, texture and resistance to penetration or other measure of relative density or consistency. If intact samples are removed and tested, the results of the tests shall be added to the report. All materials encountered shall be classified in accordance with Section 13-132-030.
(d) The boring report shall contain the elevation of the ground surface with respect to city datum, the elevation of the water table and any other significant data concerning groundwater conditions. A plat showing the location of the borings with reference to a permanent coordinate system shall accompany the report.
(e) The boring report shall indicate the type of drilling and sampling tools used, the size and depth of casing, the method of determining the relative density or consistency, and the reason for discontinuing boring operations. The date of beginning and of completion of each boring shall be recorded.
(Prior code § 70-2.3)