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E A R T H `) T E C H <br /> At1J=rJERI`"fl('/"t LT°.`O,`,:h'. Monitoring Well Construction Log — Flush Mount <br /> Project Name: Tyco Electronics Fremont Street Project No: 102790 Well ID: MW-3 <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 /> Date Drilling Depth to <br /> Drilling Equipment: Geoprobe 6620 Combo Rig Started: 06-10-08 Water(ft): --12' <br /> Date Drilling Elevation Datum: <br /> Drilling Method: Hollow Stem Auger-8" <br /> Finished: 06-09-08 NAVD88 <br /> Drilling Fluid: -- Date Well Checked by: B. Loebner <br /> Installed: 06-09-08 <br /> Survey Logged by: P.Dotson Date: 07/11/08 <br /> Coordinates:2171458.6048N 6324600.8789E <br /> PROTECTIVE VAULT <br /> Material/Type: Steel Christie Box <br /> Diameter: 8" <br /> Depth BGS: Weep Hole (Y/N ) <br /> Vault Elev. 6.21' <br /> 5 92' GUARD POSTS <br /> TOC Elev. No: 0 Type: <br /> GS Elev. 6.21' <br /> ...... ...... <br /> SURFACE PAD <br /> ...... ...... Composition and Size: None <br /> ...... ...... <br /> Depth BGS ThicknessWELL CASING <br /> ...... ...... <br /> Type: PVC Schedule 40 <br /> ...... ...... <br /> 2' Diameter: 2" <br /> ...... ...... <br /> Total Length (TOC to Total Depth): 20.0' <br /> ...... ...... <br /> Ventilated Cap (Y/N ) <br /> ...... ...... <br /> ...... ...... <br /> ...... ...... <br /> GROUT SEAL <br /> Tremied (Y/N ) <br /> ,� ..... <br /> 3' Composition and Proportions: Portland Type Cement II/IV <br /> Interval BGS: 2-3' <br /> 4 CENTRALIZERS (Y/N ) <br /> Depth(s):........ <br /> BENTONITE SEAL <br /> :. <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 /> D ;: ::•;:•:: <br /> Amt. Used: 6.5 bags <br /> -------- ,<•.•.•:•. :::•>:•: Source: <br /> SCREEN <br /> Material: PVC Schedule 40 <br /> 20' Diameter: 2" Slot Size and Type: 0.020" <br /> 20, <br /> Interval BGS: 5-20' <br /> TD: 20' SILT TRAP (Y/N ) Type: <br /> Interval BGS: Length <br /> Borehole --►I �— Bottom Cap (Y/ N ) <br /> Dia. <br /> BACKFILL PLUG (Y/N ) <br /> Tremied (Y/N ) <br /> Material: <br /> Setup/Hydration Time: <br />