Laserfiche WebLink
• ' 7T <br /> . Y 1 <br /> well and embedded in the concrete pad. The ground immediately surrounding the <br /> top of the well shall be sloped away from the well. There shall be no openings <br /> in the protective casing wall below its top. <br /> 9.3.7 Temporary Capping Any well that is to be temporarily removed <br /> from service, or left incomplete due to delay in construction, shall be capped <br /> with a watertight cap and equipped with a "vandal proof" cover satisfying ap- <br /> plicable state or local regulations or recommendations. <br /> 9.3.8 Field Logs. The field geologist or geotechnical engineer shall <br /> maintain suitable logs detailing drilling and well construction practices. <br /> One copy of each field log including the required color slides, shall be sub- <br /> mitted to the Contracting Officer not later than 10 calendar days after each <br /> well is completed. The well will not be accepted by the Contracting Officer <br /> until the logs are received and approved. Information provided in the logs <br /> shall include but not be limited to the following: <br /> 9.3.8.1 Reference elevation for all depth measurements. <br /> 9.3.8.2 Depth of each change of stratum. <br /> 9.3.8.3 Thickness of each stratum. <br /> 9.3.8.4 Identification of the material of which each stratum is composed <br /> according to the Unified Soil Classification system, or standard rock <br /> nomenclature, as necessary. <br /> 9.3.8.5 Depth interval from which each formation sample was taken. <br /> 9.3.8.6 Depth at which hole diameter (bit sizes) change. <br /> 9.3.8.7 Depth at which groundwater is first encountered. <br /> 9.3.8.8 Depth to the static water level and changes in static water <br /> level with well depth. <br /> 9.3.8.9 Total depth of completed well. <br /> 9.3.8. 10 Depth or location of any loss of drill water circulation, loss <br /> Of tools or equipment. <br /> 9.3.8. 11 Location of any fractures, joints, faults, cavities or <br /> weathered zones. <br /> 9.3.8.12 Depth of any grouting or sealing. <br /> 9.3.8. 13 Nominal hole diameters. <br /> 9.3.8.14 Amount of cement used for grouting or sealing. <br /> 9.3.8. 15 Depth and type of well casing. <br /> 9.3.8. 16 Description (to include length, location, diameter, Slot sizes, <br /> material, and manufacturer) of well screen(s) . <br /> AA-31 <br />