PERMFILE53729

• Permit No: M2004022
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2004
• Doc Name: Slope Stability Analysis and Proof of Notification
• From: Banks and Gesso LLC
• To: DMG
• Media Type: D
• Archive: No

GENERALIVOTES
DRILLING 8 SAMPLING SYMBOLS:
S5: Split Spoon - 1 3!B" I.D., 2".O.D., unless otherwise noted HS: Hollow Stem Auger
ST Thin-Wailetl Tube - 2" O.D., unless othennise noted PA: Power Auger
RS: Ring Sampler - 2.a2" l.D., 3" O.D„ unless otherwise noted HA: Hand Auger
OB: Diamond Bii Coring - 4", N, B Ri3: Rock Bit
BS' Butk Sample or Auger Sample WB: Wash Boring or Mud Rotary
The number of blows required to advance a stantlard 2-inch O,D, split-spoon sampler (SS} the last 12 inches of fhe total 1 B_
inch penetration with~a 140-pound hammer falling 30 inches is considered the `Standard Penetration' Or'N-value'. 'For 3'
D. D, ring samplers (RS) the penetration value is reported as the number of blows required to advance the sampler 12 inches
using a 14D-pound hammer falling 30 inches, reported as 'blows per foot,' and is ndt considered equivalent to the "Standard
Penetration' or `N-valuE'. ~ ~ ~ '
WATER LEVEL MEASUREMENT SYMBOLS:
WL• WatarLevel ~ ~ ~~ •~ ~ ~ ~ ~^~~ WS:' ~ WBileSampling
wCl: Wet Cave in WD: White Drilling
DCI: Dry Cave in~ ~ 6GR: Before Casing Removal
A5: Aker Boring ACR: After Casing Remove)
Water levels indicated o,n the tinting logs are the levels. measured in the borings at'the limas. indicated, Groundwater levels at
other times and other locations across the site Could•wary, In pervious'soils,.the indicated levels may reflect;the.focatlon of
groundwater.' In low permeabil'lty soils, the accurate determinafion of.groundwater levels may not be possible with only short-
term observations.
DESCRIPTIVE SOIL CLASSIFICATION:,.Sol $lassificatio'n is based •On'the Unified Olassification Syetom. Coarse Grained
Soils have more than 50% of their"dry' weight,ratained on a~#2DOsieve;"ihei'r''pfigcipel descriptors are: boulders, cobbles,
gravel or sand. Fine Grained Soils ~~have less Ih~an 50% oF~ their dry weight, retained on a ik200 sieve; they are principally
described as clays if they are plastic, and sifts if they are slightly plastic or rio.n-plast(t.' Major constituents may be atlded as
modifiers and minor constituents may be added according t0 the relative ptbportions based on grain size. In addition to '
gradation, coarse-grained soils are defined' on~the basis of their in-place relative density and Ana-grained soils on the Easis of
their consistency. '
FINEhRAINEO SOILS COA RSE,GRAINED SOILS ~ BEDROCK
IRS, lssl' l~ SS elative RS jSS}
Blows/Ft: BlowslFt. Consistency BlowslFt. BlowslFt. bensit BlowslFt.~ 81owslFt. Consistency
[ 3 < 2 Very Soft 0$' < 3 Very Loose [ 30 ~ 20 Weathered
3=a Z•3 Sott 7_18' a.9 Loose 30-49 20-29 ~ Flrm
5-9 4-6 Medium Stltt 19-58 10.29 Medium Dense 50-E9 30-49 Medium Hard
70-18 ~ 7-12 Stiff 59-98 30139 Dense 90-119 50-79 Hard
19-42 13-26 Very Sfiff > 98 ~ > 49 Very Dense ~ 119 > 79 Very Hard
> 42 > 26 Hard
RELATtvE PROPORTIONS OF SAND AN D GRAtN SIZE TERMINOLOGY
GRAVEL •
Descriptive Terms of Percent of Maior Component
Other ConStltuen[s _ ... Dry Weight of Samola Particle Size
Trace < 15 Boulders ~ Over 12 in. (300mm) ~ ~ .
With `15-29 Cobbles 12 in. to 3 in. (300mm tv 75 mm)
Modifier > 30 Gravel 3 in to !ka sieve (75mm to 4,75 mm)
Sand tk4 to #200 sieve (4.75mm to 0.075mm)
Silt ar Ciey Passing Jk20D Sieve (0.075mm)
RELATIVE PROPORTIONS OF FINES PLASTICITY DESCRIPTION
Descriptive Terms of Percent of
Other Constituents Drv Weight T- a rm ~ Plasticit~lhdex_
Trace ~ < 5 Non-plastic 0
With 5 -12 Low 1-t0
Modifiers >, 12 Medium 11-30
High 30*
~ 1(erra~on