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
2
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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LOG OF BORING C-05
SHEET 1 of 1
Rock Engineering & Testing Lab., Inc.
6817 Leopard St.
Corpus Christi, TX 78409
Telephone: (361) 883-4555
Fax: (361)883-4711
CLIENT:
HDR, Inc.
PROJECT: Prop. Large Scale Beach Nourishment Project
LOCATION: S. Jetty
Borrow Source Area; Galveston, TX
NUMBER:
G108558
DATE(S) DRILLED:
08/01/08
-
08/01108
FIELD DATA
z
5'
s
~
>
-c
-c
_z
f-
2S
~~
Z
0:
w'"
w
w
>w
f-
..,
cc
0"
z
~
c,
;;;
t;:t;:t;:&l~
0
0
".
:::>
o
tn
z
~OOO::;;i
w
;;;
0
w
'"
~!,QI-::l
0:
>-
0.g
W
t/)wzo
:::>
'"
~
~
>
0-
0-
~~8~G
Iii
6
~
0)
;;;
;;;
6
in
"l
Ul
Ul
zo.:.:-:~~
;;;
LABORATORY DATA
ATIERBERG
LIMITS
~
C
w
c
aJ
!::
:;;;
Uj
f-
:;
f-
~
~
ur
0
:::;
~u,
~
f=
0
~
o
"
_:::>
(/):1:"-
N
"
i=
i=
(/)'!
(/)f-O o
5
~
~
z(/)
w,,(/)
z
s
W"
O:z-
(/)
0-
0-
"
>-:::>
z
~UJ~
:::>
0:0
oo:g
z
LL PL PI
"0-
ulii
"
DRILLING METHOD(S):
Hollow Stem Auger
GROUNDWATER INFORMATION:
SURFACE ELEVATION: -7.8' NAVD
DESCRIPTION OF STRATUM
5
Boring was extended to an elevation of -33.8-feet NAVD during
the drilling operations.
Same as above.
Same as above, dark gray.
Same as above.
Same as above, firm.
Same as above, gray.
POORLY GRADED SAND, with clay and shell, gray, moist,
medium.
Same as above.
POORLY GRADED SAND, with clay and shell, dark gray,
moist, loose.
Same as above,
medium.
5
5
5
I CLAYEYSAND, with shell, gray, moist, soft.
36 l
78
POORLY GRADED SAND, with clay and shell, dark gray,
- -
~{~~J~I~'Ey
SAND,
wiihsherr;
dark
graY;
verynloiSt,loose-
J
24
29
32
25
25
59
26
N= 3
N=WOH
N=19
N=
6
N=
5
N-WOH
N= 21
N= 11
N= 25
N= 3
N= 12
N=4
N= 5
55
5-1
55
5-2
55
5-3
55
5-4
55
5-5
55
5-6
55
5-7
55
5-8
55
~~~---:-':-IIIII-I=~r-§MQTI~:wrtfiiSii6i[Ci8i'i<9i'ay,very,iiiOTSf;ver;/SOfi::--1
5-9
55
5-10
55
5-11
~-'-"----+--j--+-+-+--+--1r---I""'="'===U::-:=To"'C=::-;==-=,,--~-----I
55
5-12
55
5-13
30
25
15
10
20
I REMARKS:
I
,
Boringdepth and locationwas determinedby HDR, Inc. Boringoperationswere
~
performed by RETL.
GPS Coord. N. 29.33645 W. 94.72380
I
c,
c,
IE
I
"
\11--
i2
g
N. STANDARD PENETRATION TEST RESISTANCE
is'
P - POCKET PENETROMETER RESISTANCE
oj
T - POCKET TORVANE SHEAR STRENGTH
SL..
-!
---J
. Geotechnical Engineering
. Construction Materials Testing
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING ID.:
CoOS
DESCRIPTION: South Jetty Borrow Source Area
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
-7.8'
TO -9.8'
-11.8' TO -13.8'
-15.8'
TO -17.8'
-21.8'
TO -23.8'
NAVD
NAVD
NAVD
NAVD
1.58
0.86
0.56
1.20
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-7.8' TO -9.8'
-11.8'
TO -13.8'
-15.8' TO -17.8'
-21.8'
TO -23.8'
NAVD
NAVD
NAVD
NAVD
#10
100.00
100.00
100.00
100.00
#18
98.16
99.15
99.34
99.10
#35
96.52
98.47
98.92
98.35
#60
94.76
97.39
98.38
72.61
#70
93.55
95.51
97.34
N/A
#100
74.24
55.73
77.21
N/A
#120
18.46
14.58
18.63
27.93
#170
6.74
6.22
6.76
24.77
#200
5.42
5.24
5.16
24.19
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN
0.15
0.16
0.15
0.19
SIZE
(mm)
MEAN GRAIN SIZE
0.15
0.16
0.15
N/A
(mm)
SORTING (1'1)
0.37
0.35
0.30
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.:
CoOS
DESCRIPTION:
South Jetty Borrow Source Area
PERCENT SHELL BY WEIGHT (BASED ON #10 StEVE)
-23.8' TO -25.8' NAVD
-31.8' TO -33.8' NAVD
N~
N~
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-23.8' TO -25.8' NAVD
-31.8' TO-33.8' NAVD
#10
N/A
N/A
#18
N/A
N/A
#35
N/A
N/A
#60
N/A
N/A
#120
N/A
N/A
#170
N/A
N/A
#200
78.00
36.40
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN SIZE
N/A
N/A
(mm)
MEAN GRAIN SIZE
N/A
N/A
(mm)
SORTING (0')
N/A
N/A
*C-05; -23.8' to -25.8' NAVD and C-05; -31.8' to -33.8' NAVD were only passed through the -#200 sieve.
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
810 14
16
20 30 40 50 60 100
140200
100
I
I
I
I
I
I
I
95
"1
90
85
80
75
70
... 85
:r:
g 60
~
co
>-
55
a::
UJ
50
u:
z
...
z
45
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
I COBBLES
GRAVEL
SAND
I
SILT OR CLAY
~
coarse
fine
coarse
medium
I
fine
I
~
Specimen ID
Depth
Classification
LL
PL
PI
Cc
Cu
w
~
n,
~.
CoOS
(-7.8' to -9.8NAVD)
Borrow Area (-7.8' to -9.8' NAVD)
1.20
1.46
>-
~
~
0
z
-c
~
Specimen ID
Depth
D100
D60
D30
D10
%Gravel
%Sand
%Silt
%Clay
m
w
w
~.
CoOS
(-7.8' to -9.8NAVD)
2
0.143
0.13
0.098
0.0
93.0
5.0
o
"'
ur
o
~
S
c,
0
c;
c,
m
fi\
~
GRAIN SIZE DISTRIBUTION
cc
0
"
~
•.
Rock Engineering & Testing Lab., Inc.
w
6817 Leopard 51.
Project: Prop. Large Scale Beach Nourishment Project
t;
"'
Corpus Christi, TX 78409
~
Telephone: (361) 883-4555
Location: South Jetty Borrow Source Area; Galveston, Texas
Fax: (361) 883-4711
o
Number: G108558
"'
~
o
U,S. SIEVE OPENING IN INCHES
1
U.S.SIEVENUMBERS
I
HYDROMETER
6
4
3
2 1.5
1
3/4
1/2
3/8
3
6
8
1014 16
20 30 40 50 60
100
140200
100
1
1
I
I
I
""1
95
90
85
80
75
70
I-
65
J:
:s
>-
ur
~
60
55
OJ
'"
w
50
u:
z
I-
45
1i
ur
z
40
a.
ur
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 ID
Depth
Classification
LL
PL
PI
Cc
Cu
•
C-05 (-11.8' to -13.8' NAyD)
Borrow Area (-11.8' to -13.8' NAVD)
1.10 1.49
-c
Specimen ID
Depth
D100
D60
D30
D10
%Gravel
%Sand
%Silt
%Clay
~.
C-05 (-11.8' to -13.8' NAYD)
2
0.156
0.134
0.104
0.0
94.0
5.0
~
~
c,
c,
~
ro
tn
:g
to
GRAIN
SIZE
DISTRIBUTION
0
"
~
•.
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
"'
~
o
U.S. SIEVE OPENING IN INCHES
I
U.S. SIEVE NUMBERS
I
HYDROMETER
6
4 3
2 1.5
1 3/4
112
3/8
3
6
aiD 14
16
20 30 40 50 60
100
14
0200
100
I
I
I
II
I'
I
I~
95
1\
90
85
80
75
70
I- 65
J:
:s:
w
~
60
>-
55
OJ
'"
w
50
u:
z
I- 45
z
w
~
40
ur
a.
35
30
25
20
15
10
5
~
0
~
100
10
. 1
0.1
0.01
0.001
GRAIN SIZE IN MILLIMETERS
"
S
I
GRAVEL
SAND
"
COBBLES
I
I
fine
SILT OR CLAY
~
coarse
fine
coarse
medium
c,
~
Specimen ID
o
Depth
Classification
LL
PL
PI
Cc
Cu
w
~.
c,
C-05
(-15.8' to
-17.8'
NAVD)
Borrow Area (-15.8' to -17.8' NAVD)
1.21
1.45
!Z
a
w
~
~
"
0
z
-c
o
~
Specimen ID
Depth
D100
D60
D30
D10
%Gravel
%Sand
%Silt
%Clay
w
co
w
C-05
(-15.S'to-17.8'NAVD)
~.
2
0.142
0.129
0.098
0.0
94.0
5.0
o
