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01/31/2008 15:26 FAX 5108363036 GEOSYNTEC-OAK 0 007
<br /> I
<br /> 475 14th Street,Suite 400 LOG OF Boring/Well MW-6R
<br /> GeosyntecOOakland,California 94612
<br /> Telephone:510.836.3034 Sheet 1 of 2
<br /> conSultantS Fax:510.836.3036
<br /> Project: WFS-Vernalis
<br /> Location: 35100 S. Hwy 33,VerrtaIis, CA Project Nur Aber: WRO949NERF
<br /> Depth
<br /> Start Date and Time 8127/07 8:00 Finish Date and Time 8127!07-14:00 Total Deph44.0
<br /> Drilled(feet bgs)
<br /> Drilling Hollow Stem Auger Drilling Gregg Drilling&Testing Ground Surface .91.91
<br /> Method Contractor Elevation(feet MSL) i'
<br /> Drill Rig Marl M-1 i SamplingSPT Top of PVC Casing 194.58
<br /> Method Elevation(feet MSL)
<br /> Groundwater 27 ft bgs Hammer Percussion/1401b.-30 in.drop Logger N.Gotberg 'Reviewer J.Fortuna
<br /> Observations Data
<br /> Coordinate N 2054162.57 E 6333040.67 Remarks
<br /> Location
<br /> WELL CONSTRbCTION DIAGRAM
<br /> z o
<br /> o Locking Cover
<br /> _ _ MATERIAL DESCRIPTION
<br /> r_ 2 a o Watertight Cap
<br /> c' a) n E 3 0 6-finch steel stovepipe well vault
<br /> m a� a U, o Q' a
<br /> W ❑ m oS y 2 .I
<br /> rn m w 0C CL C7 0—SILT(ML),Olive(5Y 414),moist,<5%coarse,95%
<br /> fines,low plasticity,medium stiff. Annular Seal:Neat cement
<br /> (0-1 It bgs)
<br /> 90
<br /> ole Diameter. 8 inches
<br /> (0-44 ft bgs)
<br /> 1
<br /> 5
<br /> 5!6/9 100 0.0 rout:Portland Cement
<br /> (1-18 ft bgs)
<br /> 85 11'
<br /> 1
<br /> '. iser: 2-inch-dia.
<br /> LEAN CLAY(CL),Olive brown(2.6Y 4/4),100%fines, Schedule 40 PVC blank
<br /> 3/5/7 100 0.0 moist,low plasticity,medium stiff. casing(0-24 ft bgs)
<br /> 10 t
<br /> ii
<br /> 80 a
<br /> n
<br /> c
<br /> o SILT WITH SAND(ML),Olive brown(2.5Y 4/4),moist, `
<br /> a 100 0.0 80%fines,20%fine sand,low plasticity,medium stiff.
<br /> 15 i
<br /> a b
<br /> IL
<br /> S
<br /> 75 �I
<br /> 0
<br /> ° • POORLY GRADED GRAVEL WITH SAND GP,Clasts ,,Seal: Medium bentonite
<br /> 8/18/27 100 0.0 ��• ( ) chips(18-21 ft bgs)
<br /> 0. ice• subround to subangular,gravel up to 1.5 inch diameter,
<br /> 2 ••� medium dense. I.
<br /> 3 LI• 3
<br /> WELL GRADED SAND WITH GRAVEL(SW),Olive
<br /> of 70 17/19/27 100 0.0 brown(2.5Y 4/4),moist,medium dense,clasts _
<br /> Ui subround to subangular,1,5 inch.
<br /> it LEAN CLAY(CL),Dark yellowish brown(10YR 4/6), Sand Pack: Monterey#3
<br /> �i moist,10/o sand,90/fines,low plasticity,stiff -- _ _sand sand(21-44 ft bgs)
<br /> m consistent . —
<br /> J SILT WITH SAND(ML),Dark yellowish brown(10YR
<br /> 25 4/6),moist,20°%sand,80%fines,low plasticity,stiff - F
<br /> �� •�
<br /> on ,
<br /> . _
<br /> ~ ! POORLY GRADED GRAVEL WITH SILT AND SAND __
<br /> r •• GP-GM,moist,subround to subangular clasts,1 inch. 57 _ .. -
<br /> 65 ; - - _ 4
<br /> w :�;<; WELL GRADED SAND(SW),Dark yellowish brown 'i
<br /> c� '• (10YR 4/6),wet,trace gravel 5%,loose,subangular to
<br /> subround clads. -
<br /> -
<br /> ..,•�,.;:. WELL GRADED SAND WITH GRAVEL(SW),Dark
<br /> v 14!16/19 100 0.0 Yellow Brown
<br /> (10YR 3/3),wet,5%fines,95%sand and i'
<br /> 30 ....._....
<br /> i
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