log well construction - yelm and... · feet bgs) above-ground completion set in concrete with...
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Installed: 3/13/2008Datum: NGVD 29MP Elevation: 381.07Ecology ID: BAS468Well Name: P18
Location: Thurston HighlandsLogged by: Tad ClineConsulting Firm: Pacific Groundwater GroupFirm: Environmental West ExplorationDriller: TimDrilling Method: 5 1/2" Air RotaryProject Name: Thurston Highlands Figure A-17
GEOLOGIC LOG AND AS-BUILTFOR PIEZOMETER P18Thurston Highlands, LLCYelm, WashingtonJC0701, 9/2008
Dep
th (f
t)Log Well ConstructionU
nit
Soil
Sam
ple
Geo
logy
DTW: 50.85 BMP on 3/17/2008
Above-ground completion set in concretewith 2.4-foot well stick-up and expandablecap. Protected by locking steel monumentand by three 3-foot traffic posts.
3/8" Bentonite Chip Hole-plug
10-20 Colorado Silica Sand Pack (43-56feet BGS)
2-inch, 20-Slot, PVC Screen with Threaded,Pointed 6-inch Long, End Cap (45.3-55.8feet BGS)
5 1/2" Borehole
Depth to Groundwater 50.85 feet BMP(3/17/2008)
Moist, brown, SILT.
Moist, gray, clayey fine GRAVEL/ fine gravellyCLAY. Sticky.
13 feet: clayey, silty. fine gravel.
19 feet: very fine-fine sandy, clayey, silty coarsegravel.
Moist, gray, very fine-fine sandy, gravelly SILT.
Moist, gray, silty, clayey fine to coarse GRAVEL.
37 feet: clayey, silty gravel.
43 feet: silty, clayey gravel.
Wet, gray, coarse GRAVEL.
48 feet: slightly clayey.
53 feet: slightly clayey.
Total depth: 56 feet BGS.
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Installed: 6/26/2007Datum: NGVD 29MP Elevation: 375.85Ecology ID: apc066Well Name: P2
Location: Thurston HighlandsLogged by: Tad ClineConsulting Firm: Pacific Groundwater GroupFirm: Environmental West ExplorationDriller: RonDrilling Method: 5 1/2" Air RotaryProject Name: Thurston Highlands Figure A-2
GEOLOGIC LOG AND AS-BUILTFOR PIEZOMETER P2Shea, Carr, JewellYelm, WashingtonJC0701, 7/2007
Dep
th (f
t)Log Well ConstructionU
nit
Soil
Sam
ple
Geo
logy
DTW: 51.70 BMP on 7/13/2007
6-inch Borehole
3/8" Bentonite Chip Hole-plug
10-20 Colorado Silica Sand Pack (47-59.5feet BGS)
Above-ground completion set in concretewith 1.7-foot well stick-up and slip cap.Protected by locking yellow steel stickupmonument with three 3-foot traffic posts
2-inch, 20-Slot PVC Screen with ThreadedPointed 6-inch Long End Cap (49-59.5 feetBGS)
Depth to Groundwater 51.70 feet BMP(7/13/2007)
Moist, brown-gray, silty CLAY.
Moist, gray, very silty fine SAND.
Moist, gray, fine-coarse sandy GRAVEL.
To slightly silty, slightly clayey fine GRAVEL.
Horizons of fine sandy gravel.
To moist-very moist, gray, slightly silty, fine-coarsesandy fine GRAVEL.
To wet.
Wet, gray, silty, gravelly, fine-medium SAND.
Wet, gray, fine-coarse sandy GRAVEL.
To moist.
Total depth: 59 feet BGS.
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Installed: 6/26/2007Datum: NGVD 29MP Elevation: 405.12Ecology ID: APC063Well Name: P3
Location: Thurston HighlandsLogged by: Tad ClineConsulting Firm: Pacific Groundwater GroupFirm: Environmental West ExplorationDriller: RonDrilling Method: 5 1/2" Air RotaryProject Name: Thurston Highlands Figure A-3
GEOLOGIC LOG AND AS-BUILTFOR PIEZOMETER P3Shea, Carr, JewellYelm, WashingtonJC0701, 7/2007
Dep
th (f
t)Log Well ConstructionU
nit
Soil
Sam
ple
Geo
logy
DTW: 57.49 BMP on 7/13/2007
3/8" Bentonite Chip Hole-plug
10-20 Colorado Silica Sand Pack (48.6-61.2feet BGS)
Above-ground completion set in concretewith 2.7-foot well stick-up and slip cap.Protected by locking yellow steel stickupmonument with three 3-foot traffic posts
2-inch, 20-Slot PVC Screen with ThreadedPointed 6-inch Long End Cap (50.6-61.2 feet BGS)
Depth to Groundwater 57.49 feet BMP(7/13/2007)
6-inch Borehole
Dry-moist, brown SILT.
Moist-wet, gray, silty CLAY.
Moist, gray, very clayey GRAVEL.
Moist, gray, slightly gravelly, silty CLAY.
Moist, brown, very silty, very fine-fine SAND.
Coarsens to slightly gravelly, fine-coarse SAND.
To dry-moist, fine gravelly sand.
Dry-moist, gray, fine-coarse sandy GRAVEL.
Coarsening downwards: to medium-coarse sandyGRAVEL (COBBLE?).
Moist, gray, fine-coarse gravelly, medium-coarseSAND.
Moist, gray, fine-coarse sandy GRAVEL.
Moist-wet, gray, gravelly, medium-coarse SAND.
Wet, gray, fine-coarse sandy GRAVEL.
Wet, gray, slightly silty, very gravelly medium-coarse SAND.
Total depth: 61.2 feet BGS.
