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E A R T H J T E C H <br /> AVXWNUMWTK�I�"rD`°"`J'' 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 /> 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: 06-09-08 NAVD88 <br /> DrillingFluid: - Date Well <br /> Installed: 06-09-08 Checked by: B. Loebner <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. s: No: 0 Type: <br /> GS Elev. 6.21' <br /> SURFACE PAD <br /> Composition and Size: None <br /> Depth BGS <br /> Thickness WELL CASING <br /> Type: PVC Schedule 40 <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 /> Composition and Proportions: Portland Type Cement II/IV <br /> Interval BGS: 2-3' <br /> 1' <br /> 4' CENTRALIZERS (Y/N ) <br /> Depth(s): <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 /> ..• ... <br /> Type: Sand Grain Size: #2/12 <br /> ... ....•..•. <br /> ..... <br /> Amt. Used: 6.5 baps <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 /> Interval BGS: Length <br /> Borehole —� �— <br /> Dia. Bottom Cap (Y/ N ) <br /> BACKFILL PLUG (Y/N ) <br /> Tremied (Y/N ) <br /> Material: <br /> Setup/Hydration Time: <br />