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2.2 Number and Locations of Test Borings or Test Pits. The spacing, locations <br />and depths of pits, trenches, or borings shall be in accordance with the professional judgment <br />of the Qualified Registered Professional of record. <br />2.3 En ineerin~perties of Soil. The engineering, or physical, properties of <br />soil and rock depend on both the material, or grain, properties (see Leve12 above) and the <br />in-situ, or undisturbed, texture, packing, particle orientation, and degree of saturation. Shear <br />strength, compressibility, permeability, and erodibility are the engineering properties of <br />interest. Tests for estimating the in-situ shear strength and compressibility of asoil include: <br />(1) direct tests, that attempt to measure the shear strength by direct simulation of field <br />loading conditions and (2) indirect tests that are used with empirical correlations to estimate <br />shear strength in terms of relative consistency (cohesive soils) and relative density (granular <br />soils). Field tests for measuring the permeability of an aquifer may be made using pumping <br />out tests or slug tests. Any one, or a combination, of the following tests or procedures may <br />be made to determine or estimate shear strength properties of the various soil types and <br />deposits encountered in the test borings or test pits. <br />2.3.1 Direct measures of in-situ shear strength include: <br />2.3.1.1 Plate Load Test (ASTM D1194). <br />2.3.1.2 Field Vane Shear Test (VST) of Cohesive Soil (ASTM <br />D2573). <br />2.3.1.3 Borehole Shear Test (BST). <br />2.3.1.4 Unconfined Compression Test of Undisturbed Cohesive <br />Sample (ASTM D2166). <br />2.3.1.5 Hand Penetrometer Test of Cohesive Sample (Used only for <br />secondary evaluation). <br />2.3.2 Indirect, empirical estimators of in-situ shear strength are: <br />2.3.2.1 Standard Penetration Test (SPT) (ASTM D1586). <br />2.3.2.2 Static Cone Penetration Test (CPT) (ASTM D 3441). <br />2.4 In-Situ Character of Rock. The engineering characteristics of an in-situ rock <br />mass generally are concerned with its structural elements. Discontinuities are the major <br />elements of in-situ classification. Fractures in exposed rock surfaces are described in terms <br />of frequency, attitude, spacing, roughness, bonding quality, and general continuity. The main <br />tests made on rock cores, taken with a diamond core barrel sampler, are: <br />2.4.1 Unconfined compressive strength and/or point load strength. <br />2.4.2 Rock Quality Designation (RQD). <br />2.4.3 Seismic velocity and/or velocity index. <br />3. Report Content. <br />3.1 Introduction. Must include the same information required in a Level l report. <br />3.2 Project Location and Description. Must include the same information <br />required in a Level 1 report. <br />report. <br />3.3 Site Investi ag tion. Must include the same information required in a Leve12 <br />3.4 Analysis of Site Investigation Data. Must include the same information <br />required in a Leve12 report, including results of laboratory tests. <br />Administrative Order - 19 <br />R:\ADMINORD\RULES\03geotech2ao.wpd(03/26/03) <br />