October 22, 2008
Attn.: Mr. Daniel Heilman, P
.E.
RETL Job No.: Gl08558
WEST GALVESTON ISLAND LG. SCALE BEACH NOURISHMENT PROJECT
South Jetty Borrow Source Area
Galveston, Texas
BORING NO.
GPS
COORDINATES
C-Ol
N.29.33841
W.94.72652
C-02
N.29.33981
W.94.72643
C-03
N.29.33892
W.94.72394
C-04
N
.29.33793
W
.94.72235
C-05
N.29.33645
W.94.72380
C-06
N.29.33628
W.94.72204
C-07
N.29.33395
W.94.72095
C-08
N.29.33927
W.94.71980
C-09
N.29.33801
W.94.72057
C-lO
N.29.33691
W.94.71941
e-n
N.29.33475
W.94.71779
C-12
N
.29.33336
W
.94.71779
C-13
N.29.33744
W.94.71832
C-14
N.29.33970
W.94.71677
C-15
N
.29.33820
W
.94.71687
C-16
N.29.33661
W.94.71597
C-17
N.29
.33607
W.94.71563
C-18
N.29.33411
W.94.71399
C-19
N.29.33955
W.94.71420
C-20
N.29.33748
W.94.71338
C-21
N.29.33338
W.94.71127
C-22
N.29.33564
W
.94.71037
C-23
N.29.33239
W.94.70724
C-24
N.29.33759
W.94.70845
C-25
N.29.33560
W.94.70621
C-26
N.29.33506
W.94.71728
C-27
N.29.33483
W. 94.7161 1
C-28
N.29.33711
W.94.72358
C-29
N.29.33742
W.94.71455
C-30
N.29.33811
W.94.72344
C-31
N.29.33493
W.94.72033
C-32
N.29.33541
W.94.73054
In addition, forty surface grab samples from onshore and offshore of the Gulf beach along west Galveston
Island were obtained and delivered to RETL by a representative
of HDR, Inc. The ground surface
elevations at the offshore grab sample locations are provided in the table below:
30f6
TOE
N
~
V101
APPROXI
MATE
VIBRACORE
LOCA
Tlm~
(
1992)
APPROXIMA
TE
SOIL BORING
LOCATlmJ
(2008)
APPROXIMA
TE
VIBRACORE
LOCA
TlmJ
(2006)
;~~~',::~;~S:e~
~~~~~ ~~U~3;)
POl
m
NORTHING
EASTING
0
13,696,434
3,330,395
®
13,696,162
3,336,429
©
13,692,769
3,337,805
®
13,693,282
3,332.723
®
13,693,492
3,331,448
en
13,694,395
3,330
,426
©
13,695,190
3,329,078
®
13,695,521
3,328,798
0
13,695,713
3,328,795
®
13,696,135
3,328,81
1
©
13,696,306
3,329,220
@
BR-22
LEGEND,
.C32
.2
~J
BORROW SOURCE AREA
"
TOE
6
M
AGNETOMETER
NJO
MAUES
WERE LOCA
TED
BY
P
BS&J DURING
FE
BRUARY 2008
SOUT
H
JETTY BORROW
SOURCE AREA
•
----------;1--------
11
1N~OU
T~
ES~
.
__
_
~
7-
1
-------
1
RE
FER T
O NO
TES
ON SH
EET
C
101
----_~-'
1
2
- - - - - - -
-.J___
I
'
E
LEVATlm, co,
nOURS
ARE IU
FT
I'---~-_
/-
~
-
R
EFERErKED
TO NAVD88
"14
o
~_,,
__
-,~
.
=
....
iW
~
WEST GALVESTON ISLAND
END OF SEAWALL BEACH NOURISHMENT
."
PRELIMINARY
.9
GULF OF MEXICO
.CHI
2
~
',.
ee26
ec1$
BR-l
em?
SOUT
HJETTYJ
PROJ
E
CT
~
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MBE
R
I 8809 1
:C~
EUOTH
J~ B~uRROW
SOURCE AREA
Qd
I""""'"i
.5
.C31
eC07
@8R-27
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1~_.~
@~
BR~9-
~'7.
eC06
~
_1~C17
eC05
10/
17/08
DA
TE
1
0/20/08
@BR-19
@BR-24
o
ISSUE
I
ROJ
ECT
MMJAGER DNJIEL J,
HE
ILMAN
DRAW~
J
BY BRUC
E
L, JACKSmJ
CHECK
ED B
Y
LAUREN
AUGUS
TI~J
@8R-16
@BR-25
@8R-2.2
@8R-23
@BR-17
lil~
SHINER
MOSELEY
@8R-18
APFFEL PARK
•
BR-3@~-~
~R-'4
~
smllh
Ma
rine
.
S
e rvices
"
a,
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n
~
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a
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-c
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o
LOG
OF
BORING
c-oe
SHEET 1 of 1
Rock Engineering & Testing Lab., Inc.
6817 Leopard SI.
Corpus Christi, TX 78409
Telephone: (361) 883-4555
Fax: (361) 883-4711
CLIENT:
HDR, Inc.
PROJECT: Prop. Large Scale Beach Nourishment Projec
LOCATION: S. Jetty Borrow Source Area; Galveston, TX
NUMBER:
G108558
DATE(S) DRILLED:
07/31/08
-
07/31/08
FIELD DATA
z
a
~
l.
>
-~
-0:
t-
>-"'
z
2S
'"
ffiCi5
~
ur
>w
ti
00
z
cc
0
~
"
t;:t;:t;:Ql~
0
'"
"
o
co
:
z
_ooo::;i
UJ
"
0
ur
'n
~~~~a
'"
>-
.~
ui
::>
co
."
~
t-
>
c,
o,
g6zf.)~
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~
"
"
:?;
ml-~O::()
0
0
<:ii
4:
4:
ZCL~~~
'"
u:.
'"
:a
LABORATORY DATA
ATTERBERG
LIMITS
><
ur
~
UJ
0
Gi
t:
;;;
OJ
t:
:a
~
t-
UJ
"
:a
:::;
~u,
:::;
"
;:::
"
~
U
_::>
'" " U,
N
0
~
~~
'" t- a
o
:;
w'"
UJ "' '"
z
:::;
a
:5
c,
:5
c,
o§!
g: Z
en
'"
~6
:a
W
z
::>
0'" 0
z
LL
PL PI
on.
ob;t
"
DRILLING METHOD(S):
Hollow Stem Auger
GROUNDWATER INFORMATION:
SURFACE ELEVATION: -27.1' NAVD
DESCRIPTION OF STRATUM
5
10
15
N-7
25
~
;e
~
o
c
~
~
~
W
,
'"
o
0:
;;:
o
t;
w
d
0:
c,
~
Z
W
"
I
W
"
0
Z
I
o
4:
w
~
W
~
c
4:
w
o
w
'"
5
c,
0
0:
c,
W
ec
~
~
5
c
o
~
~
U,
0
,
e
0
~
20
I
i
25
~
SS
~'
S.1
30
SS
S-2
SS
S-3
-
~
SS
S-4
35
N= 2
N=16
N=WOH
38
CLAYEY SAND, with shell, gray, very moist, soft.
37 (
I Same as above, stiff.
--~-------------------------------
,
26 I SILTY CLAYEY SAND, with shell, gray, moist, loose.
I SANDY CLAY, with shell, gray, moist, very soft.
I
! Boring was extended to an elevation of -35.1-feet NAVD during
I
the drilling operations.
I
I
! REMARKS:
i
'.
Boring depth and location was determined by HDR, Inc. Boring operations were
performed by RETL.
GPS Coord. N, 29.33927 W. 94.71980
.
Geotechnical Engineering
.
Construction Materials Testing
PROJECT NAME:
West Galveston Island Large Scale Beach Nourishment Project
CLIENT:
HDR, Inc.
BORING ID.:
C-08
DESCRIPTION:
South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-27.1' TO -29.1' NAVD
-31.1' TO -33.1' NAVD
3.40
0.08
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-27.1' TO -29.1' NAVD
-31.1' TO -33.1' NAVD
#10
100.00
100.00
#18
98.10
99.70
#35
97.10
99.50
#60
96.20
99.10
#120
66.20
67.70
#170
42.40
33.60
#200
37.40
25.60
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN SIZE
0.10
0.11
(mm)
MEAN GRAIN SIZE
N/A
N/A
(mm)
SORTING
(e)
N/A
N/A
'The -#10 material was utilized as the total sample for Grain Size Distribution Curve calculations.
U,S. SIEVEOPENINGIN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4
3
2 1,5
13/4
1/2
3/8
3
6
8
1
014 16
20 30 40 50
60
100
14
0200
100
I
I
I
II
I
I
:1
I
I
95
\
90
85
1\
80
\
75
\
70
.... 65
:I:
Q 60
~
~
55
0:
UJ 50
u:
z
....
z
45
UJ
a1
40
c.
UJ
35
30
25
20
,
15
10
5
0
100
10
. 1
0.1
0.01
0.001
GRAIN SIZE IN MILLIMETERS
COBBLES
GRAVEL
SAND
SILT OR CLAY
coarse
fine
coarse
medium
I
fine
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
•
CoOS
(-27.1 to -29.
J'
NAVD)
Borrow Area (-27.1' to -29.1' NAVD)
Specimen 10
Depth
0100
060
030
010
%Gravel
%Sand
%Silt
%Clay
•
CoOS
(-27.1 to -29.
J'
NAVD)
1
0.115
0.0
61.0
37.0
GRAIN SIZE DISTRIBUTION
~
•.
Rock Engineering & Testing Lab., Inc.
6817
Leopard SI.
Project: Prop. Large Scale Beach Nourishment Project
Corpus Christi, TX
