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
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.
__
_
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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
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/-
~
-
R
EFERErKED
TO NAVD88
"14
o
~_,,
__
-,~
.
=
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iW
~
WEST GALVESTON ISLAND
END OF SEAWALL BEACH NOURISHMENT
."
PRELIMINARY
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GULF OF MEXICO
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ISSUE
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ILMAN
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E
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Y
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LOG OF BORING C-10
SHEET 1 of 1
DATE(S) DRILLED:
07/31/08
-
07/31/08
Rock Engineering
&
Testing
Lab.,
Inc.
6817 Leopard SI.
Corpus Christi, TX 78409
Telephone: (361) 883-4555
Fax: (361) 883-4711
CLIENT:
PROJECT:
LOCATION:
NUMBER:
HDR, Inc
Prop. Large Scale Beach Nourishment Project
S. Jetty Borrow Source Area; Galveston, TX
G108558
FIELD DATA
z
5'
0
>
"
-c
c
<
_z
I-
z,
~Q
z
'"
w'"
LU
LU
>w
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0
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LABORATORY DATA
ATTERBERG
LIMITS
><
C
LU
LU
0
>
t::
~
LU
I-
"
I-
u;
"
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:::;
UJ
0
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LL
PL
PI
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DRILLING METHOD(S):
Hollow Stem Auger
GROUNDWATER INFORMATION:
SURFACE ELEVATION: -9.4' NAVD
DESCRIPTION OF STRATUM
5
REMARKS:
Bering depth and location was determined by HDR, Inc. Boring operations were
performed by RETL
GPS Coord. N, 29.33691
W.
94.71941
POORLY GRADED SAND, with shell and clay, gray, moist,
loose.
Boring was extended to an elevation of -34.4-leet NAVD during
the drilling operations.
Same as above, very moist, lirm.
SANDY CLAY, with shell, gray, very moist, soft.
Same as above.
Same as above.
POORLY GRADED SAND, with shell, brown and gray, moist,
very loose.
Same as above, gray, medium.
POORLY GRADED SAND, with clay and shell, gray, moist,
medium.
Same as above.
7
2
2
5
75
42
Same as above.
-- - - f--- -- - -- -CLAVEYSANO;-wlthshell,graY:very-moist,verysofI --- ---
35
- - - - f-- - - - -
i- §jerv CLA51EY
SAND~
WithSfieiC9ray, moist,veryloose:- - - - -
15
- - - - f-- -
c-- -
I-ctAYEYSANo;-WithsheJi,graY:
mOiSt,
soft- - - - - - - - - --
28
39
46
35
24
23
N= 3
N= 9
N= 3
N=WOH
N= 15
N= 3
N=2
~:S
[;.1
"
88
N= 14
8-2
88
N=19
27
8-3
8S
N= 16
24
S-4
88
N=18
25
S-5
88
N= 12
S-6
-----
-- --
SS
N=WOH
34
8-7
i
-----
--
--
SS
S-8
S8
8-9
88
S-10
S8
8-11 lI-\I-----f--+-+-+-+-+--t----j--,;
-r-r-
="',..,...-c=C-:O=-==~===_=_C'E:"------__I
S8
S-12
iL\I----+-+----1f--f-+--+----1-'-I-~=
....=====...
=L:"c-.._c_C7C=:_::_=_=_=c_-__1
SS
8-13
r--I--'--I-II-II-I-I-~~"----,----c--.--,-;-:-=~~-.-;"",<::-:-;-;;-,,,,,,~--c-:-:,-I
25
15
20
10
c,
s
c,
IJi
"
\1
"
s
N - STANDARD PENETRATION TEST RESISTANCE
15'LP - POCKET PENETROMETER RESISTANCE
g'
T -
POC~:ET
TORVANE SHEAR STRENGTH
~
8
1i
~
.:.:
.
§+
~'~
~:[
~~
I~'"
~s
ur
~
. Geotechnical Engineering
. Construction Materials Testing
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING
m. C-lO
DESCRIPTION: South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-9.4' TO -1l.4'
-13.4' TO -15.4'
-15.4' TO -17.4'
-17.4'
TO -19.4'
NAVD
NAVD
NAVD
NAVD
0.86
0.74
0.27
0.25
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-9.4' TO -11.4'
-13.4' TO -15.4'
-15.4'
TO -17.4'
-17.4'
TO -19.4'
NAVD
NAVD
NAVD
NAVD
#10
100.00
100.00
100.00
100.00
#18
98.80
98.50
99.20
99.80
#35
97.20
97.60
99.10
99.30
#60
93.80
95.90
98.10
98.10
#70
73.55
93.16
72.34
93.05
#100
23.14
38.00
26.58
49.77
#120
8.10
9.70
15.40
19.70
#170
3.00
2.90
7.80
6.50
#200
2.40
2.30
6.70
5.00
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN
0.19
0.17
0.18
0.16
SIZE (mm)
MEAN GRAIN SIZE
0.19
0.17
0.18
0.16
(mm)
SORTING (0)
0.39
0.28
N/A
0.36
*The
-# I0 material was utilized as the total sample for Grain Size Distribution Curve calculations.
. Geotechnical Engineering
. Construction Materials Testing
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING
m, c-io
DESCRIPTION: South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-21.4' TO -23.4'
-23.4' TO -25.4'
-25.4' TO -27.4'
-29.4'
TO -31.4'
-31.4'
TO -33.4'
NAVD
NAVD
NAVD
NAVD
NAVD
0.56
0.07
0.03
0.07
N/A
%
FINER BY WEIGHT AFTER REMOVING SHELL
ASTM
MESH
-21.4' TO -23.4'
-23.4' TO -25.4'
-25.4' TO -27.4'
-29.4'
TO -31.4'
-31.4' TO -33.4'
NAVD
NAVD
NAVD
NAVD
NAVD
#10
100.00
100.00
100.00
100.00
N/A
#18
99.50
99.20
99.70
99.90
N/A
#35
99.20
98.50
99.40
99.80
N/A
#60
98.00
97.40
98.40
99.50
N/A
#120
54.70
35.80
64.70
82.40
N/A
#170
40.30
18.00
48.10
52.80
N/A
#200
34.60
14.80
39.30
41.50
75.40
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN
0.11
0.16
0.09
0.09
N/A
SIZE (mm)
MEAN GRAIN SIZE
N/A
0.14
N/A
N/A
N/A
(mm)
SORTING
(If)
N/A
N/A
N/A
N/A
N/A
*C-IO; -31.4' to -33.4' NA
YO
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
1014
16
20 30 40
50 60 100
14
0200
100
I
I
I
I
I
I
I
95
~
90
85
80
75
70
f-
65
:I:
52
60
UJ
$:
>-
55
ci
0:
UJ 50
u::
z
f-
45
z
UJ
~
40
UJ
0..
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
I
coarse
fine
coarse
medium
I
fine
Specimen ID
Depth
Classification
LL
PL
PI
Cc
Cu
•
C.l0
(-9A'to
11A'
NAyD)
Borrow Area (.9.4' to .11.4' NAVD)
1.00 1.50
<
Specimen ID
Depth
Dl00
D60
D30
Dl0
%Gravel
%Sand
%Silt
%Clay
ur
~.
C-l0
(-9A'to
11A'
NAYD)
2
0.192
0.157
0.128
0.0
97.0
2.0
ur
~
~
c,
IE
c,
w
~
GRAIN SIZE DISTRIBUTION
0
5
~
•.
Rock Engineering & Testing Lab" Inc.
w
6817
Leopard SI.
Project: Prop. Large Scale Beach Nourishment Project
"'
'"
Corpus Christi, TX
78409
z
Telephone:
(361) 883-4555
Location: South Jetty Borrow Source Area; Galveston, Texas
~
Fax:
(361) 883-4711
c
Number: G108558
"'
::>
o
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
81014162030405°6010°140200
100
I
I
I
II
I'
u
I
95
:"
t
90
85
80
75
70
f- 65
J:
~
60
ill
3:
>-
65
OJ
cr:
!j;! 50
u:
f- 45
ill
z
~
40
ill
c.
35
30
25
20
15
10
5
\
ro
8
0
~
100
10
. 1
0.1
0.01
0.001
~
0
GRAIN SIZE IN MILLIMETERS
o
ro
5
GRAVEL
SAND
~
COBBLES
I
SILTORCLAY
~
coarse
fine
coarse
medium
fine
o
c,
~
~
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
w
c,
~.
C-10 (-13.4'
to
-15.4'
NAVD)
Borrow Area (-13.4' to -15.4' NAVD)
0.95
1.37
!i;
ur
"
r
!!J
~
~
0
z
r
:;>
Specimen 10
Depth
0100
060
030
010
%Gravel %Sand
%Silt
%Clay
w
ro
w
~.
C-10 (-13.4'
to
-15.4'
NAVD)
2
0.172
0.142
0.125
0.0
97.0
2.0
o
~
w
"
~
5
c,
0
c:
c,
ro
ffi
:is
GRAIN SIZE DISTRIBUTION
0
5
~
•.
Rock Engineering & Testing Lab., Inc.
w
6817 Leopard St
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
13/4 1/2
3/8
3 4 6
aiD14
16
20 30 40 50
60
100
140200
100
I
,
,
•I'
,
,
~
95
90
85
80
75
70
f-
65
:z:
£2
60
;;:
UJ
>-
55
m
0:
UJ 50
u:
z
f-
45
Ii
z
UJ
40
a.
UJ
35
30
25
20
15
10
'\
5
0
100
10
. 1
0.1
0.01
0.001
GRAIN SIZE IN MILLIMETERS
COBBLES
GRAVEL
SANO
I
SILT OR CLAY
coarse
fine
coarse
medium
I
fine
I
Specimen 10
Oepth
Classification
LL
PL
PI
Cc
Cu
•
C-10 (-15.4' to -17.4' NAVD)
Borrow Area (-15,4' to -17.4' NAVD)
1.25
1.94
c,
~
~
Specimen 10
Oepth
0100
060
030
010
%Gravel %Sand
%Silt
%Clay
~
~.
C-10 (-15.4' to -17.4' NAVO)
2
0.192
0.154
0.099
0.0
93.0
7.0
w
~
GRAIN SIZE DISTRIBUTION
0
~
~
•.
Rock Engineering & Testing Lab., Inc.
N
w
ur
6817
Corpus
Leopard
Christi,
SI.
TX
78409
Project: Prop. Large Scale Beach Nourishment Project
Telephone:
(361) 883-4555
Location: SouthJetty Borrow Source Area; Galveston, Texas
Fax:
(361) 883-4711
Number: G108558
"
o
'"
U,S. SIEVEOPENINGIN INCHES
I
U.S, SIEVENUMBERS
I
HYDROMETER
6
4 3
2 1.5
1
3/4
1/2
3/8
3
6
8
1
014 16
20 30 40 50
60
100
140200
100
T
I
I
II
I
I
:1
~
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95
l
90
85
80
75
70
f-
85
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UJ
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OJ
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u:
z
f-
45
z
UJ
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UJ
35
30
25
20
15
10
5
00
s
0
100
10
.1
0.1
0.01
0.001
~
0
GRAIN SIZE IN MILLIMETERS
c
5
GRAVEL
SANO
00
COBBLES
coarse I
I
SILT OR CLAY
"
<C
coarse
fine
medium
fine
o
f'
Specimen 10
Oepth
Classification
LL
PL
PI
Cc
Cu
o
w
~.
n,
C-l0 (-17.4' to -19.4'NAVOl'
Borrow Area (-17.4' to -19.4' NAVD)
1.12 1.67
z
~
w
~
~
~
"
0
z
.r;
o
;:\
Specimen 10
Depth
0100
060
030
010
%Gravel
%Sand
%Silt
O/OClay
00
ur
~.
C.l0 (.17.4' to .19.4' NAVO)
1
0.162
0.133
0.097
0.0
95.0
5.0
00
ur
o
:s
e:
c,
1i1
a,
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::l
GRAIN SIZE DISTRIBUTION
00
iii
"
~
•.
Rock Engineering & Testing Lab., Inc.
\>!
6817
Leopard SI.
Project: Prop. Large Scale Beach Nourishment Project
00
Corpus Christi, TX
78409
z
Telephone:
(361) 883.4555
Location: South Jetty BorrowSource Area; Galveston, Texas
~
Fax:
(361) 883-4711
o
Number: Gl08558
00
"
U,S.
SIEVE
OPENINGIN
INCHES
I
U.S.
SIEVE NUMBERS
I
HYDROMETER
6
4 3
2 1.5
1
3/4
1/23/8
3
6
8
1°14 16
0
3°40 5°60 10°
140200
100
T
T
I
II
I
I 1
I'll
I
95
90
85
80
75
70
f- 65
:c
£2 60
~
l
fu
55
0:
w 50
u::
z
f- 45
a!
z
w
40
a.
w
35
30
25
20
15
10
5
8
~
0
100
10
. 1
0.1
0.01
0.001
s
GRAIN SIZE IN MILLIMETERS
o
'"
~
r
COBBLES
1
GRAVEL
SAND
~
I
SILT OR CLAY
~
~
coarse
fine
coarse
medium
fine
o
f-
Specimen ID
Depth
Classification
LL
PL
PI
Cc
Cu
o
w
0-
~e
C-10
(21.4'
to
.23.4'
NAVD)
Borrow Area (-21.4' to -23.4' NAVD)
f-
Z
W
~
~
~
~
~
0
z
o
~
«
Specimen ID
Depth
D100
D60
D30
D10
%Gravel %Sand
%Silt
%Clay
w
'"
w
C-10
(21.4'
to
.23.4'
NAVD)
je
1
0.135
0.0
65.0
35.0
~
s
w
~
~
0
~
0-
'"
~
GRAIN SIZE DISTRIBUTION
8
5
~$.
Rock Engineering & Testing Lab.• Inc.
w
6817 Leopard SI.
Project: Prop. Large Scale Beach Nourishment Project
~
~
Corpus Christi, TX 78409
z
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
1
014 16
20 30 40 50
60
100
140200
100
I
I
I
I
I
I
t'4
95
90
85
80
75
70
f-
85
J:
~
60
~
co
>- 55
'"
w
50
u::
z
f-
45
z
w
~
40
w
0-
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
•
C-l0
(-23.4' to -25.4 NAVD)
Borrow Area (-23.4' to -25.4' NAVD)
Specimen 10
Depth
0100
060
030
010
%Gravel %Sand
%Silt
%Clay
•
C-l0
