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0 <br /> 18 September 2015 -2- <br /> ATTACHMENT A <br /> C. Well Development <br /> 1. Date(s) and method of development of each well, <br /> 2. Method of development, <br /> 3. How well development completion was determined, <br /> 4. Volume of water purged from well and method of development water disposal, <br /> 5. Field notes from well development. <br /> D. Well Construction Details—Diagram and Narrative <br /> Well construction details shall be provided in a diagram and in a narrative format. <br /> a. Well number q. Depth to top of bentonite seal <br /> b. Date started r. Thickness of bentonite seal <br /> c. Date completed s. Thickness of concrete grout <br /> d. Geologist's name t. Boring diameter <br /> e. Total depth drilled u. Casing diameter <br /> f. Well elevation of top of casing v. Casing material <br /> g. Ground surface elevation w. Size of perforations <br /> h. Depth of open hole x. Date of water level measurement <br /> i. Method and materials of grouting excess y. Monitoring well number <br /> borehole z. Initial and stabilized depth to groundwater <br /> j. Total depth drilled aa. Drilling Contractor and driller name and <br /> k. Footage of hole collapsed address <br /> 1. Length of slotted casing installed <br /> m. Depth to top& bottom of screen <br /> n. Depth of bottom of casing <br /> o. Depth to top of sand pack <br /> p. Thickness of sand pack <br /> E. Well Survey <br /> 1. Coordinate system, epochs, bench marks, horizontal controls, accuracy, and precision, <br /> 2. Survey results of casing elevation with the cap removed (vertical to 1/100' <br /> foot) and the <br /> ground surface, <br /> 3. California Registered Civil Engineer or Licensed Surveyors report, field notes, and <br /> stamp/signature in an appendix, <br /> 4. Description of the measuring points (i.e. ground surface, top of casing, etc.), <br /> 5. Tabulated survey data with well numbers and horizontal and vertical coordinates. <br /> F. Laboratory Analytical Results <br /> Laboratory analytical results must be included with the well installation report. The analytical <br /> report must contain, at a minimum, the information within this section. <br />