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WELL INSTALLATION SHEET Page 1 of 1 <br /> SNR COMPANY•Laguna Hills. California <br /> Well Number: DMW-1 Ground Surface Elevation: Top of Well Casing (Elevation): <br /> Project Name: Kearney KPF Project Number: 829 <br /> Field Engineer/Geologist: A. Brown Date: 11/13/87 Checked By: Date: <br /> Boring Number:* DMW-1 Date Drilledll 7-9/87 Contractor: Clark Well Use of Well: Monitoring Well <br /> Date of Installation: 1117187 Grouting: __1 1 / 1 1 /8 7 Protective Cover: 1 1 7 1 7/8 7 <br /> Well Summary, Specifications <br /> Item Distance Above/Below Description and Date of <br /> Ground Surface (Feet) Materials and Installation <br /> Inner Casing Top: + 1.7' Bottom: 197.41 [6" I.D. Sch80 PVC Blank Casing, Flush Thre ded <br /> teflon to e seal &Outer Casing Top: +0.1' Bottom: 27.3' " I.D. Sch 40 PVC Blank Casing with <br /> Protective Cover Top: 2.2' Bottom: 0.6 10" I.D. Painted steel with hinged locking ap. <br /> Borehole Fil( Materials: <br /> Grout/Slurry Top: 0.0' Bottom: 135.3' 25:1 cement to bentonite ratio <br /> Bentonite Top: 135.3' Bottom: 144.6' 1 50 lb. bag Quik Gel High Yield Bentonite <br /> Sand Pack/Filter Material Top: 144.6' Bottom: 197.4' 14 100 1 b.bags 10-20 Silica sand <br /> Blank Casing Above Screen Top: +q <br /> Bottom: 176.3' c an asing, us re ded <br /> w/teflon tape seal and stainless steel scre . <br /> m Perforated Section ToP 1Bottom: 197 3' 20 Slot 6" I.D. Wire wrapped Stainless Steril Blank Casing Below Screen Top: 1Bottom: 197,4' 6" I.D. Stainless Steel-blank part of scree <br /> Including Bottom Cap section. <br /> Grout for' Casio Top: 0.0 Bottom: 26.7' 20:1 cement to bentonite ratio <br /> Bottom of Borehole (Depth): 223.0' <br /> Notes/Calculations/Well Development VISUAL WELL SUMMARY <br /> 2.2' A.G.S. <br /> Well was pumped for 4 hours 17 minutes on 10" I.D. Steel hinged 1.7' A.G.S. <br /> 11/12/87 using 60 h.p. Grundfos submersible Protective Cover <br /> 0.1' A.G.S. <br /> pump. Flow rate after 7 minutes of pumping :0 .'0 0.6' B.G.S. <br /> = 8.8 gallons/minute. Drawdown immediately �:. <br /> 20:1 cement to � � 14" I.D. Sch 40 PVC Outer Casing <br /> prior to completion = 55' below ground surfac bentonite grout. 18" diameter borehole <br /> Water initially very murky. Upon completi o' 27.3' B.G.S. <br /> of well development, water was clear. <br /> O <br /> o. <br /> 6" I.D. Sch 80 PVC Inner Casing <br /> o. 12" diameter borehole <br /> o. <br /> Quik Gel Bentonite 135.3' B.G.S. <br /> Seal <br /> 144.6' B.G.S. <br /> #10-20 Silica Sand <br /> 176.3' B.G.S. <br /> 6" I.D. Stainless Steel Screen, <br /> A.G.S. Above Ground 20 slot <br /> Surface 197.3' B.G.S. <br /> B.G.S. Below Ground SurF" ••�1; 197.4' B.G.S. <br /> �' " 223.0 B.G.S. <br /> NOT TO SCALF <br />