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<br /> ' C DRESSER & M6,111111,00 Sheet 2 of 2
<br /> CDM
<br /> MONITORINe'
<br /> 100 Pringle Ave,Suite 300 WELL DETAIL
<br /> Walnut Creek,CA 94596 B-1/PZ-1
<br /> Client: City of Stockton Project Name: Brookside Pump Station
<br /> Project Location: Brookside Road and 1-5 Project Number: 2500-29248
<br /> m E o
<br /> 1= rn C N ti. U
<br /> E Sample Q N o a 2 c Material a Depth Well Construction
<br /> Number S Q o 5 m 'o `�.y' Description (ft.) Detail
<br /> N � �
<br /> LL 66.0
<br /> 4 GP GRAVEL,fine to coarse,consisting of 20 Bentonite Seal-
<br /> SS B1-20 0 6 0118 80%quartzite,dark gray,rounded, Cetco 318-inch
<br /> 6 centroidal grains and 20%chert with o D bentonite tablets,
<br /> 1 mm quartz veinlets, ink to red, Q 64.0
<br /> q P� 0 minute hydration 122.0
<br /> subangular grains,no recovery, o b° time
<br /> description based on material retained p
<br /> in shoe O
<br /> Filter Pack-RMC
<br /> 1 0 61.0.0 graded Monterey#3 61.0
<br /> GP GRAVEL,olive brown(2.5YR4/3), ° 25 clean sand 25.0
<br /> SS Bi-25 0 1 D11s saturated,very loose,up to 1-inch
<br /> 2 rounded grains,gravel consists of 80% o p
<br /> metasandstone,dark greenish gray O
<br /> (10Y4/1),coarse grained,and 20% °O°
<br /> chert,weak red(2.5YR512),angular,no Lower Limit of
<br /> recovery,material described retained in
<br /> shoe 56 0 Excavation
<br /> Stet SAND,fine grained,no recovery, 30
<br /> SS B1-30 0118i
<br /> material described retained in shoe,5 .
<br /> feet of heave during sample collection Well Screen-
<br /> 2-inch PVC,20 slot
<br /> _ _ _ _ _ 51.0
<br /> 8 CL CLAY,dark en
<br /> greish gray(1OBG4/1), i / 35
<br /> SS B1-35 0 15 18118 wet,stiff, medium plasticity,medium to
<br /> high dry strength,some(5%)fine /
<br /> grained sand,trace of white decayed
<br /> rootlets,trace mica,massive
<br /> 46.0 46.0
<br /> 6 Cl- CLAY,dark greenish gray(10BG411), % /j 40 40.0
<br /> SS B140 4.3 133 181118 wet,very stiff,non-plastic,occasional `
<br /> 1-2 mm circular void spaces,some 44.5
<br /> mica flakes ci mm), massive 41.5
<br /> Total depth is 41.5 feet below ground
<br /> surface(bgs).
<br /> Groundwater encountered at 20 feet bgs 41.0
<br /> during drilling. 45
<br /> Piezometer PZ-1 installed in borehole.
<br /> 0
<br /> 0 36.0
<br /> c� 50
<br /> d
<br /> 2
<br /> 0
<br /> Ui
<br /> U
<br /> 'a
<br /> P
<br /> Y
<br /> 0 31.0
<br /> m 55
<br /> LL
<br /> 3
<br /> cs
<br /> z
<br /> 0
<br /> O
<br /> r-
<br /> z
<br /> 26.0 Figure 3: continued
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