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
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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@~-~
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~
smllh
Ma
rine
.
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e rvices
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-c
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o
LOG OF BORING C-07
SHEET 1 of 1
DATE(S) DRILLED. 07/31/08
- 07/31/08
Rock Engineering & Testing Lab., Inc.
6817 Leopard St.
Corpus Christi, TX 76409
Telephone: (361) 683-4555
Fax:
(361) 883-4711
CLIENT:
PROJECT:
LOCATION:
NUMBER:
HDR, Inc,
Prop, Large Scale Beach Nourishment Projec
S, Jetty Borrow Source Area; Galveston, TX
G108558
FIELD DATA
DRILLING METHOD(S):
Hollow Stem Auger
GROUNDWATER INFORMATION:
z
Q
a
>
~
f.
-<
>:0
....
z
2:.,
'"
ffiU5
ur
w
>w
....
,..;
"'
00
z
-'
""
~
~ti:ti::trl~
a
a
(J
'"
"'
:?:
"0
!d::oo~<i!
ur
::;
0
w
0
~V;~!za
'"
?ii
.~
w
::>
~
~
....
>
n,
c,
ozz~::x:
so
~
::;
'"
a:l~f2rc0
is
"
is
5l
'"
-c
zo.:~~~
'"
'"
'"
::;
c
in
~
o
N
s
o
Z
I SURFACE ELEVATION: -8.7' NAVD
z
~
I
DESCRIPTION OF STRATUM
5
Same as above,
Boring depth and location was determined by HDR, Inc. Boring operations were
performed by RETL.
GPS Coord. N. 29.33395
W.
94,72095
, REMARKS:
I
I
SANDY CLAY, with shell, gray, very moist, soft
68 i
Boring was extended to an elevation of -33,7-feet NAVD during
) the drilling operations,
I
:
SANDY CLAY, with shell, gray, moist, very soft.
I
SILTY CLAYEY SAND, with shell, dark gray, very moist, very
15
loose,
I Same as above, loose,
I Same as above,
21 I SILTY CLAYEY SAND, with shell, dark gray, moist, medium,
I
Same as above,
12
I
i,' Same as above,
SILTY CLAYEY SAND, with shell, dark gray, moist, loose,
19 I
I
CLAYEY SAND, with shell, gray, very moist, very stiff,
37 I
- -,POC)il.[V-GRADED
SA-ND,'Wlfh-ciayandSFieli,gray,
mOIsT, - - --
6 I loose,
I Same as above, very loose,
1
5S
N=3
10
S-1
30
ss
N=6
S-2
SS
N=9
S-3
30
15
SS
S-4
N= 20
~
N
SS
N=18
21
~
S-5
....
a
SS
o
N=10
~
20
8-6
~
W
I:" .
~
8S
o
N- 4
28
0
S-7
~
c,
~
SS
N= 3
o
52
S-8
i3
~
ur
25
SS
a
N= 30
~
34
".',",,'
c,
S-9
-----
--
--
-- --
--
--
z
~
SS
ur
N=9
24
a
S-10
"
00
"
',','.
SS
~
N= 1
0
I
30
S-11
z
"
o
SS
:5
S-12
N= 0
m
w
SS
N=WOH
-c
~
S-13
o
00
~
o
ur
:I
c,
0
I
c,
~
I
ill
I
~
I
0
"
o
W
z
"
0
N - STANDARD PENETRATION TEST RESISTANCE
m
~
I
P - POCKET PENETROMETER RESISTANCE
0
I
T - POCKET TORVANE SHEAR STRENGTH
o
0
~
. Geotechnical Engineering
. Construction Materials Testing
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING ID.: C-07
DESCRIPTION: South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-8.7' TO -10.7'
-12.7' TO -14.7'
-16.7' TO -18.7'
-20.7' TO -22.7'
NAVD
NAVD
NAVD
NAVD
2.62
1.64
1.33
1.16
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
-1$.7
TU
-10.7'
-U.7'
TU
-14.7
-lb.7.
TU
-Hl.7
-:LU.7
TU
-tz»
MESH
NAVD
NAVD
NAVD
NAVD
#10
100.00
100.00
100.00
100.00
#18
98.40
98.90
98.66
98.80
#35
97.20
98.20
97.52
97.98
#60
95.50
97.50
95.83
65.71
#120
38.90
40.60
35.51
25.18
#170
18.70
23.10
19.03
20.04
#200
15.30
20.50
12.05
18.94
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN
0.15
0.15
0.11
0.20
SIZE (mm)
MEAN GRAIN SIZE
0.14
N/A
0.11
N/A
(mm)
SORTING (a)
N/A
N/A
N/A
N/A
*The -#10 material Was utilized as the total sample for Grain Size Distribution Curve calculations.
. Geotechnical Engineering
. Constrnction Materials Testing
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING ID.: C-07
DESCRIPTION: South Jetty Borrow Source Area
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
-22.7'
TO -24.7' NAVD
-24.7'
TO -26.7' NAVD
-26.7'
TO -28.7' NAVD
0.30
1.40
N/A
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-22.7' TO -24.7' NAVD
-24.7' TO -26.7' NAVD
-26.7' TO -28.7' NAVD
#10
100.00
100.00
N/A
#18
99.84
99.30
N/A
#35
99.73
98.60
N/A
#60
99.54
97.40
N/A
#120
82.92
39.60
N/A
#170
71.18
38.80
N/A
#200
67.60
36.60
5.60
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN
N/A
0.15
N/A
SIZE (mm)
MEAN GRAIN SIZE
N/A
N/A
N/A
(mm)
SORTING
(a)
N/A
N/A
N/A
*C-07; -26.7' to -28.7' NAVD was only passed through the -#200 sieve.
*The -#10 material was utilized as the total sample for Grain Size Distribution Curve calculations.
U,S. SIEVE OPENING IN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4
3
2 1,5
13/4
1/2
3/8
3
6
8
10
14
16
20 30 40 50
60
100
14
0200
100
I
I
I
II
I
I :1
I
I
95
90
85
80
75
70
f- 65
:c
Q
60
w
S
>- 55
CD
a::
w 50
z
li:
f- 45
z
w
~
40
a..
w
35
30
25
20
15
10
5
s
~
0
100
10
. 1
0.1
0.01
0.001
ti
GRAIN SIZE IN MILLIMETERS
,;
~
GRAVEL
SAND
tn
COBBLES
SILTORCLAY
~
I
~
coarse
fine
coarse
medium
fine
e
~
Specimen ID
Depth
Classification
LL
PL
PI
Cc
Cu
o
w
~.
C-07
(-8.7' to -10.7'
NAVD)
Borrow Area (_8.7' to _10.7' NAVD)
n,
z
~
w
~
I
'!2
'"
~
0
Z
I
~
Specimen ID
tn
Depth
D100
D60
D30
D10
%Gravel
%Sand
%Silt
%Clay
ur
(-8.1"
to -10.7' NAVD)
~.
C-07
1
0.161
0.108
0.0
83.0
15.0
o
~
w
"
e:
~
~
11
c,
m
~
~
GRAIN SIZE DISTRIBUTION
0
"
~
•.
Rock Engineering & Testing Lab., Inc.
w
6817 Leopard SI.
Project:
Prop. Large Scale Beach Nourishment Project
~
~
Corpus Christi, TX 78409
~
Telephone: (361) 883-4555
Location: South Jetty Borrow Source Area; Galveston, Texas
Fax: (361) 883-4711
o
Number: G108558
~
~
U.S. SIEVE OPENING IN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4 3
2 1.5
1 3/4 1/2
3/8
3
6
8
10
14
16
20 30 40 50 60
100 140200
100
I
I
I
I
I
II
I
95
•
90
85
80
75
70
t-
65
:r
Q 60
LlJ
S
>- 55
rn
a:
~
50
w:
t-
45
z
LlJ
a! 40
LlJ
a.
35
30
25
20
15
10
5
0
100
10
. 1
0.1
0.01
0.001
GRAIN SIZE IN MILLIMETERS
I COBBLES
GRAVEL
SAND
SILT OR CLAY
coarse
I
fine
coarse
medium
I
fine
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
•
C.07 (-12.7' to -14.7' NAVDj
Borrow Area (-12.7' to -14.7' NAVD)
Specimen 10
Depth
0100
060
030
010
%Gravel %Sand
%Silt
%Clay
•
C-07 -12.7' to -14.7' NAVDj
1
0.157
0.102
0.0
78.0
21.0
GRAIN SIZE DISTRIBUTION
.0.
Rock Engineering & Testing Lab., Inc.
6817
Leopard St.
Project: Prop. Large Scale Beach Nourishment Project
CorpusChristi, TX
78409
Telephone:
(361) 883-4555
Location:
South Jetty Borrow Source Area; Galveston, Texas
Fax:
(361)883-4711
Number: G108558
u.s. SIEVE OPENING IN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4
3
2 1.5
1 3/4 1/2
3/8
3
6
8
10
14
16
20 30 40 50
60
100
140
200
100
I
I
I
I
I'
I
I
:~
NI
95
90
85
80
75
70
,.. 65
:I:
w
~
60
$
fii
55
'"
w 50
:
u:
z
,..
z
w
45
~
40
w
a.
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 I
medium
I
fine
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
•
C-07
,-16.7'
to
-18.7'
NAVD)
Borrow Area (-16.7' to -18.7' NAVD)
1.06
2.32
Specimen 10
Depth
0100
060
030
010
'loGravel %Sand
%Silt
%Clay
•
C-07
(-16.7'
to
-18.7'
NAVD)
2
0.165
0.111
0.0
87.0
12.0
~
GRAIN SIZE DISTRIBUTION
~
•.
RockEngineering & Testing Lab., Inc.
Project: Prop. Large Scale Beach Nourishment Project
w
6817
Leopard St.
~
~
Corpus Christi, TX
78409
z
Telephone:
(361) 883-4555
Location: South Jetty Borrow Source Area; Galveston, Texas
Fax:
(361) 883-4711
Number: G108558
U,S. SIEVE OPENING IN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4
3
2 1.5
1
3/4
1/2
3/8
3
6
8
10
14
16
20 30 40 50 60
100
140200
100
I
I
I
I
I
I
I
95
90
85
80
75
70
f-
65
J:
>2 60
UJ
$:
>-
55
ci
0::
!J;! 50
u:
f-
45
z
UJ
12 40
o,
UJ
35
30
\
25
~
\
20
15
10
5
0
100
10
. 1
0.1
0.01
0.001
GRAIN SIZE IN MILLIMETERS
I
COBBLES 1
GRAVEL
SAND
SILT OR CLAY
coarse
fine
coarse
medium
I
fine
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
•
C-07 (-20.7' to -22.7' NAVD)
Borrow Area (-20.7' to -22.7' NAVD)
z
~
~
~
0
z
z
:;i
Specimen 10
Depth
0100
060
030
010
%Gravel %Sand
%Silt
%Clay
ur
tn
iu
C-07 (-20.7' to -22.7' NAVD)
o
~.
2
0.226
0.136
0.0
80.0
19.0
'"
o
w
~
~
~
0
c,
~
~
GRAIN SIZE DISTRIBUTION
s
5
~
•.
Rock Engineering & Testing Lab., Inc.
ur
6617
Leopard Sl.
Project: Prop. Large Scale Beach Nourishment Project
~
'"
CorpusChristi, TX
76409
z
Telephone:
(361) 663-4555
Location: South Jetty Borrow Source Area; Galveston, Texas
~
Fax:
(361)683-4711
o
Number: G108558
'"
~
u.s. SIEVE OPENING IN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4
3
2 1.5
13/4 1/2
3/8
3
6
81°14162030 40 50.60 1°°140
200
100
I
I
I
II
I
I
:1
1\
I
95
90
1\
\
85
80
~
\
75
70
f-
65
J:
Q 60
w
$
>- 55
"'
'"
w 50
u:
z
f-
45
z
w
fi
40
w
0-
35
30
25
20
15
10
5
"
0
~
