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
-
01
SHEET 1 of 1
..,0, •
CLIENT:
HDR, Inc.
q,'
>
Rock Engineering &Testing
Lab., Inc.
PROJECT:
Prop. Large Scale Beach Nourishment Project
~t;
If~
e"'~
)',
6817 Leopard 5t.
a:
I
•
Corpus Christi, TX 78409
LOCATION: S. Jetty Borrow Source Area; Galveston, TX
~o~ ~
Telephone: (361) 883-4555
NUMBER:
G108558
~)'o
(.p~~
Fax: (361) 883-4711
/ii)'
~
DATEIS) DRILLED:
08/01/08
-
08/01108
FIELD DATA
LABORATORY DATA
DRILLING METHOD(S):
ATTERBERG
Hollow Stem Auger
z
5'
0
LIMITS
!;i
,.
§:
>
e;
GROUNDWATER INFORMATION:
~
>:a
t-
GS
ur
2S
ffiU5
z
c
0:
W
t::
;;;
iii
w
>w
t-
O;
Ii
0"
z
t::
"
"'
0
~
t-
~:t:E
"
~
"
t;:t;:t;:Ql~
?!j
::;
~u,
"
0
"
::J
U
U
(3
N
m
z
_ooO::<i!
ur
"
F=
F=
~~
o
"
0
"'
0:
"'t-o
>-
'.g
w
w
~~~~5
::J
5
:5
"'
w"'
wC)",
z
en
~
~
t;
0
::s
,,§j!
O:z-
c,
c,
ozz~::.::
"-w"'
"'
SURFACE ELEVATION: -14.7' NAVD
~
>
::;
c,
c,
::J
6
"
"
"
ffi~f?a:::<J
6
>- ::J
~~g
Z
Oil
Ci\
«
zli~~fE
0:0
:;;
DESCRIPTION OF STRATUM
sa
"'
"
LL
PL
PI
o c,
u"'
5
10
t
15
55
POORLYGRADEDSAND,with clay and shell, dark gray,
5-1
N= 4
25
--
5
,,",m<:li~t,..!o.!'~,-
_______________________ ../
-----
---- --
--
--
55
SILTY CLAYEY SAND, with shell, dark gray, moist, medium.
5-2
N= 11
27
13
55
Same as above.
20
5-3
N= 10
I:' .
55
Same as above, loose.
5-4
N=9
27
11
55
SILTY CLAYEY SAND, with shell fragments, dark gray, very
5-5
N= 3
31
18
moist, very loose.
25
55
Same as above.
5-6
N= 0
55
Same as above.
8-7
N=WOH
55
SILTY CLAYEY SAND. with shell fragments, dark gray, moist,
30
8-8
N=WOH
very loose.
55
N= 20
Same as above, medium.
5-9
55
N= 1
Same as above, very ioose.
5-10
35
58
N= 2
SILTY CLAYEY SAND, with shell fragments, dark gray, moist,
8-11
I IVery loose.
/
Boring was extended to an elevation of -35.7-feet NAVD during
the drilling operations.
l-
N - STANDARD PENETRATION TEST RESISTANCE
REMARKS:
,
P - POCKET PENETROMETER RESISTANCE
Boring depth and location was determined by HDR, Inc.
Boring operationswere
,
T - POCKET TORVANE SHEAR STRENGTH
performed
GPS Coord.
by
N.
RETL.
29.33841 W. 94.72652
o
u,
§
. Geotechnical Engineering
. Construction
Materials Testing
PROJECT NAME: West Galveston Island Large Scale Beach Nourishment Project
CLIENT: HDR, Inc.
BORING ID.:
c-or
DESCRIPTION: South Jetty Borrow Source Area
I
PERCENT SHELL BY WEIGHT (BASED ON #10 SIEVE)
I
-14.7' TO -16.7'
-16.7'
TO -18.7'
-20.7'
TO -22.7'
-22.7' TO -24.7'
NAVD
NAVD
NAVD
NAVD
1.80
1.47
0.13
N/A
ASTM
%
FINER BY WEIGHT AFTER REMOVING SHELL
-14.7' TO -16.7'
-16.7'
TO -18.7'
-20.7' TO -22.7'
-22.7'
TO -24.7'
MESH
NAVD
NAVD
NAVD
NAVD
#10
100.00
100.00
100.00
N/A
#18
97.10
98.67
99.78
N/A
#35
95.30
97.74
99.54
N/A
#60
90.39
96.51
99.02
N/A
#120
18.56
27.37
25.75
N/A
#170
6.71
16.81
14.29
N/A
#200
4.83
13.15
11.27
18.00
STATISTICS (EXCLUDING SHELL)
MEDIAN GRAIN SIZE
(rnm)
0.18
0.18
0.17
N/A
MEAN GRAIN SIZE
(mm)
0.17
0.15
0.16
N/A
SORTING «(I)
0.63
N/A
N/A
N/A
'COO 1; -22.7' to -24.7' NAYO was only passed through the -#200 sieve.
'The -#10 material was utilized as the total sample for Grain Size Distribution Curve calculations.
c
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
4 6
8
10
14
16
20 30 40 50 60 100
14
0200
100
I
I
I
I
I,
I
'I
I
I
95
:F:
I'L
90
85
80
75
70
>-
65
:r:
>2
60
LU
5:
>-
co
55
tr
LU 50
z
Ii:
z
>-
45
LU
~
40
LU
0-
35
30
25
20
15
10
5
a
100
10
. 1
0.1
0.01
0.001
GRAIN SIZE IN MILLIMETERS
r
COBBLES
1
GRAVEL
SAND
SILTORCLAY
coarse
fine
coarse
medium
I
fine
Specimen 10
Oepth
Classification
LL
PL
PI
Cc
Cu
•
C-Ol (-14.7' to -16.7' NAVD)
Borrow Area (-14.7' to -16.7' NAVD)
1.06
1.91
Specimen 10
Depth
0100
060
D30
010
%Gravel %Sand
%Silt
%Clay
~.
C-01 (-14.7' to -16.7' NAVD)
2
0.187
0.139
0.098
0.0
93.0
5.0
-c
~
c,
<L
~
to
GRAIN SIZE DISTRIBUTION
§
~
•.
Rock Engineering & Testing Lab., Inc.
N
w
6817 Leopard St.
Project: Prop. Large Scale Beach Nourishment Project
i5
Corpus Christi, TX 78409
z
Telephone: (361) 883-4555
Location: South Jetty Borrow Source Area; Galveston, Texas
~
Fax: (361) 883-4711
o
Number: G108558
if>
"
a
<L
"'
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
II
I'
1
95
1'1
90
85
80
75
70
f- 65
I
>2
60
;;:
LU
>-
co
55
'"
LU 50
z
u:
f- 45
z
LU
~
40
LU
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-Ol (-16.7' to -18.7' NAVD)
Borrow Area (-16.7' to -18.7' NAVD)
Specimen 10
Depth
0100
060
030
010
%Gravel %Sand
%SiIt
%Clay
•
C-Ol (-16.7' to -18.7' NAVD)
2
0.173
0.129
0.0
85.0
14.0
GRAIN SIZE DISTRIBUTION
~
•.
Rock Engineering & Testing Lab., Inc.
6817 Leopard St.
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: Gl08558
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
