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
~
J U
MBE
R
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@~-~
~R-'4
~
smllh
Ma
rine
.
S
e rvices
"
a,
N
g
n
~
co
N
?;
d
o
1S
a
§
I
~
~
~
~
-c
i
o
LOG OF BORING C-06
SHEET 1 of 1
,;~o ~
)"
CLIENT:
HDR, Inc.
'fc,,<;;"~
§'
Rock Engineering & Testing Lab., Inc.
PROJECT:
Prop. Large Scale Beach Nourishment Projec
o'~
lS'),/
6817 Leopard St
i'
I
•
Corpus Christi, TX 78409
LOCATION: S. Jetty Borrow Source Area; Galveston, TX
<flfJ
*t.'Q
Telephone: (361) 883-4655
NUMBER:
G108558
o~
'"
4~O ~
Fax: (361)883-4711
fir
\+ov
DATErS) DRILLED:
08/01/08
-
08/01/08
FIELD DATA
LABORATORY DATA
DRILLING METHOD(S):
ATTERBERG
Hollow Stem Auger
is'
z
0
LIMITS
>
~
l.
C
GROUNDWATER INFORMATION:
«
;;t5
I--
x
W
W
z
ffiU5
z
c
>
'"
w
!::
;;;
W
W
>UJ
!Z
iii
<i
co
0"
0
!::
:;;
~
I--
~:I:E
a
~
:;;
t;:t;:t;:fii~
:;;
::J
f: u,
a
0
or
=>
o
::J
o
m
z
o
-
::>
'"
_ooO::<i!
W
c
>=
>=
(1)\2
:;;
0
(I)
nn~
'"
(1)1--0 0
>-
.~
W
W
::>
s
:5
:5
Z(I)
W"(I)
Z
(I)
~
~
t;
0
w"
"'z-
(I)
c,
u,
"z
"-w(I)
SURFACE ELEVATION: -8.5' NAVD
~
>
~
::J
c,
c,
::>
is
<l)
~
is
>-::>
~a::t5
Z
W
zc.:~l5:~
:;;
LL
PL
PI
"'0
(I)
"ll.
ot;jt
"
DESCRIPTION OF STRATUM
5
tee
88
POORLY GRADED SAND, with clay and shell, brown and
I
10
8-1
N= 14
25
5
gray, moist, medium.
8
88
Sameas
above, gray.
,
N= 10
P
8-2
88
Sameas
above, loose.
Ii
S-3
N= 8
25
5
.:+
15
88
POORLY GRADED SAND, with clay and shell, gray, moist,
:.'
N= 33
S-4
-----
--
--
--
--
--
-- --
~ense.
.J
88
sii,fFCLAYEY
SAND, withshe". gray
~
molSCloose-:- - - - - -
8-5
N=7
26
16
----- --
-- --
--
--
--
-~------------------------------
POORLY GRADED SAND, with clayand shell, gray, moist,
'r4
88
N= 22
medium.
20
8-6
,..
I Same as above, loose.
I
-t,
88
8-7
N= 6
~5_
y-~-------------------------------
-----
--
---- --
--
88
N-7
29
20
SILTY CLAYEY SAND, with shell, gray, moist, loose.
8-8
SANDY CLAY, with shell, gray, very moist, very soft.
~
25
88
N=WOH
8-9
46
61
88
Same as above.
8-10
N=WOH
I
88
N=4
Sameas above, soft.
30
8-11
88
SANDY CLAY, with sheil, gray, moist, very soft
8-12
N= 1
8S
N= 4
Sameas
above, soft
8-13
Boring was extended to an elevation of -33.5-feet NAVD during
the drilling operations.
-
I
! REMARKS:
N - STANDARD PENETRATION TEST RESISTANCE
! Boringdepth and locationwas determined by HDR, Inc. Boring operations were
,
P - POCKET PENETROMETER RESISTANCE
I performed by RETL
,
T - POCKET TORVANE SHEAR STRENGTH
GPS Coord. N. 29.33628 W. 94,72204
,
I
o
u,
"
S
. Geotechnical Engineering
. Construction Materials Testiug
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING ID.: C-06
DESCRIPTION: South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-8.5' TO -10.5'
-12.5' TO -14.5'
-16.5' TO -18.5'
-20.5'
TO -22.5'
NAVD
NAVD
NAVD
NAVD
1.15
1.50
0.63
1.09
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-8.5' TO -10.5'
-12.5' TO -14.5'
-16.5' TO -18.5'
-20.5'
TO -22.5'
NAVD
NAVD
NAVD
NAVD
#10
100.00
100.00
100.00
100.00
#18
98.53
98.71
99.22
98.15
#35
97.20
97.50
98.46
96.43
.
#60
95.75
95.88
97.56
94.15
#70
91.18
93.05
N/A
N/A
#120
44.38
51.70
N/A
N/A
#120
15.88
15.60
34.89
18.78
#170
6.52
6.59
22.74
9.46
#200
5.31
5.18
16.30
7.74
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN
0.16
0.16
0.16
0.18
SlZE (mm)
MEAN GRAIN SIZE
0.16
0.16
0.14
0.17
(mm)
SORT1NG (,,)
0.39
0.36
N/A
N/A
'The -#10 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 ID.:
C-06
DESCRIPTION:
South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-22.S' TO -24.S' NAVD
-24.S' TO -26.S' NAVD
0.70
N/A
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
MESH
-22.S' TO -24.S' NAVD
-24.S' TO -26.S' NAVD
#10
100.00
N/A
#18
98.95
N/A
#35
98.21
N/A
#60
97.22
N/A
#120
33.51
N/A
#170
21.64
N/A
#200
19.56
61.40
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN SIZE
0.17
N/A
(mm)
MEAN GRAIN SIZE
N/A
N/A
(mm)
SORTING (G)
N/A
N/A
*C-06; -24.5' to -26.5' NAYD 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
1 3/4 1/2
3/8
3
6
81014162030405°6010°140200
100
I
I
I
I
I
I
I
95
\
90
4
85
80
75
70
.... 65
:I:
•
<,;! 60
:;;:
LJ.J
>- 55
Ol
'"
~
50
u:
LJ.J
z
.... 45
1;!
40
LJ.J
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
fine
coarse
medium
I
fine
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
•
C-06(-3.5' to .. 10.5' NAVD)
Borrow Area (-8.5' to -10.5' NAVD)
1.11 1.67
Specimen 10
Depth
0100
060
030
D10
%Gravel %Sand
%Silt
%Clay
•
C-06 (-8.5' to -10.5' NAVD)
2
0.168
0.137
0.1
0.0
94.0
5.0
GRAIN SIZE DISTRIBUTION
~
•.
Rock Engineering & Testing Lab., Inc.
6817 Leopard 51.
Project: Prop. Large Scale Beach Nourishment Project
Corpus Christi. TX 78409
Telephone: (361) 883-4555
Location: South JettyBorrow 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
46
8
1
014 16
20 30 40 50 60
100 140200
100
I
I
I
I
I
I
:1
~
I
:'-
95
j
90
85
•
80
75
70
.... 65
:I:
S2 60
UJ
$
10 55
!Ji
'"
50
Ii:
....
UJ
z
45
&!
40
UJ
a.
35
30
25
20
15
10
\
5
0
100
10
. 1
0.1
001
0.001
GRAIN SIZE IN MILLIMETERS
COBBLES
GRAVEL
SAND
SILT OR CLAY
coarse
fine
coarse
medium
fine
Specimen ID
Depth
Classification
LL
PL
PI
Cc
Cu
~
n,
•
C-06 (-12.5' to 14.5' NAYD)
Borrow Area (-12.5' to -14.5' NAVD)
1.12
1.60
~
Z
I
-c
Specimen ID
Depth
D100
060
030
010
'IoGravel 'IoSand
'IoSilt
'IoClay
m
w
w
C-06 (-12.5' to 14.5' NAyD) .
0.1
94.0
5.0
~
.
1
0.16
0.134
0.0
c
so
o
w
~
:l
a
~
c:
c,
ro
~
"'
GRAIN SIZE DISTRIBUTION
cc
s
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
"'
~
o
us, 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
1
1
1
1
I'
,
1
~
95
90
85
80
75
70
f- 65
I
;;:
£?
w
60
>-
55
Cll
c<
w
50
u:
z
f- 45
z
w
~
40
w
a.
35
30
\
25
20
15
10
5
s
eo
0
~
100
10
. 1
0.1
0.01
0.001
~
0
GRAIN SIZE IN MILLIMETERS
~
S
GRAVEL
SAND
0
COBBLES
I
SILT OR CLAY
~
coarse
fine
coarse
medium
fine
~
Specimen 10
Depth
Classification
LL
PL
PI
Cc
Cu
ur
c,
~.
C-06(-16.5' to -18.5' NAVD!
Borrow Area (-16.5' to -18.5' NAVO)
z
ur
~
"
00
2
0
0
z
"
~
Specimen 10
Depth
0100
060
030
010
%Gravel %Sand
%Silt
%Clay
ur
ro
ur
C_06(-16.Y to -18.5' NAVD)
0.0
83.0
16.0
~
.
2
0,165
0.109
00
o
ur
~
S
c,
0
c,
~
eo
00
ro
~
GRAIN SIZE DISTRIBUTION
s
0
~
•.
Rock Engineering & Testing Lab., Inc.
1)
6817 LeopardSI.
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
e
Number: G108558
00
0
u.s. SIEVE OPENING IN INCHES
I
U,S. SIEVE NUMBERS
I
HYDROMETER
6
4 3
2 1.5
1 3/4
1/23/8
3
6
810 1416 20 30 40 50 60
100140200
100
I
I
I
I
I
I
I
95
f1
90
85
80
75
70
65
f-
J:
Q
60
UJ
S
>-
55
CD
!l!
'"
50
u:
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
COBBLES
GRAVEL
SAND
I
SILT OR CLAY
coarse
fine
coarse
medium
I
fine
I
Specimen ID
Depth
Classification
LL
