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Approximate <br />Depths (ft) <br />Ground level <br />3ft <br />4ft <br />5ft — <br />Highest <br />expected <br />water level <br />20 <br />Not to Scale <br />9709120/typwel I1/pc 19 <br />2 -inch I:J. • <br />Monitoring Well <br />B -inch <br />borehole <br />diameter <br />—Flush -mount water — <br />tight well cover or <br />locking standpipe <br />Locking well cap <br />— Cement grout <br />— Bentonite seal <br />—Top of sand pack <br />—Top of screen set above - <br />highest expected water level <br />4 -inch PVC <br />casing <br />— Sand pack — <br />Lonestar No.2/12 <br />PVC threaded cap <br />4 -inch PVC Sump <br />4-Tch I.D. <br />Extraction Well <br />Approximate <br />Depths (ft) <br /><— Ground level <br />4 -inch PVC <br />continous wire <br />2 -inch PVC <br />wrap screen with <br />slotted screen <br />0.02 -inch slots <br />with 0.02 -inch <br />slots <br />— Sand pack — <br />Lonestar No.2/12 <br />PVC threaded cap <br />4 -inch PVC Sump <br />4-Tch I.D. <br />Extraction Well <br />Approximate <br />Depths (ft) <br /><— Ground level <br />r...:..c� c.1.:." 27 ft <br />12 or 14 -inch <br />borehole dia. <br />Figure A-1. Diagram of proposed well construction. <br />A-4 <br />— 3 f <br />—4ft <br />— 5ft <br />.... <br />—25ft <br />r...:..c� c.1.:." 27 ft <br />12 or 14 -inch <br />borehole dia. <br />Figure A-1. Diagram of proposed well construction. <br />A-4 <br />