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E A R T H •+.w+ T E C H <br /> ty= "`F''"� "'°`°'"a", Monitoring Well Construction Log — Flush Mount <br /> Project Name: Tyco Electronics Fremont Street Project No: 102790 Well ID: MW-1 <br /> Site Name: Tyco Electronics Fremont Street Sheet 1 of 1 <br /> Driller and Company: Gerardo G.of RSI Drilling Borehole Total Depth Drilled <br /> Diameter in): 8" (ft): 20 <br /> Drilling Equipment: Geoprobe 6620 Combo Rig Date Drilling Depth to <br /> Started: 06-10-08 Water(ft): -12' <br /> Drilling Method: Hollow Stem Auger-8" Date Drilling Elevation Datum: <br /> Finished: 06-10-08 NAVD88 <br /> DrillingFluid: -- Date Well <br /> Installed: 06-10-08 Checked by: P. Dotson <br /> Survey <br /> Coordinates:2171138.6993N 6324669.2624E Logged by: B. Loebner Date: 07/11/08 <br /> PROTECTIVE VAULT <br /> Material/Type: Steel Christie Box <br /> Diameter: 8" <br /> Vault Elev. 5.92' Depth BGS: Weep Hole(Y/N ) <br /> 570' GUARD POSTS <br /> . <br /> TOC Elev. + No: 0 Type: <br /> GS Elev. 5.92' <br /> SURFACE PAD <br /> Composition and Size: None <br /> Depth BGS Thickness WELL CASING <br /> Type: PVC Schedule 40 <br /> ,,,,,, ,,,,,, <br /> 2' Diameter: 2" <br /> Total Length (TOC to Total Depth): 20.0' <br /> Ventilated Cap (Y/N ) <br /> GROUT SEAL <br /> Tremied (Y/N ) <br /> 3 Composition and Proportions: Portland Type Cement WIV <br /> Interval BGS: 2-3' <br /> 1' <br /> 4' CENTRALIZERS (Y/N ) <br /> Depth(s): <br /> ....... <br /> ........ . <br /> •.:•.::. <br /> ..•..... ..... <br /> BENTONITE SEAL <br /> 5 ...... <br /> Type: Bentonite Medium Chips 3'-4' <br /> Source: <br /> Setup/ Hydration Time: 0.5 Hour Vol. Fluid Added NA <br /> ' 16' FILTER PACK <br /> 15' Tremied (Y/N ) <br /> Type: Sand Grain Size: #2/12 <br /> ......•. <br /> `'`. Amt. Used: 6.5 bags <br /> 20' , <br /> :;•:•: <br /> Source: <br /> SCREEN <br /> Material: PVC Schedule 40 <br /> 20 Diameter: 2" Slot Size and Type: 0.020" <br /> Interval BGS: 5'-20' <br /> TD: 20' SILT TRAP (Y/N ) Type: <br /> Borehole —►+ Interval BGS: Length <br /> Dia. <br /> Bottom Cap (Y/ N ) <br /> BACKFILL PLUG (Y/N ) <br /> Tremied (Y/N ) <br /> Material: <br /> Setup/Hydration Time: <br />