Condition Hydrograhpic Survey StaNoyoRiver_2018.pdf
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- Attached to
- Maintenance Dredging - USCG Station Noyo
- Solicitation number
- 70Z08820BPQQ12400
About this file
This notice summarizes a pre-solicitation for maintenance dredging services at the U.S. Coast Guard Station Noyo River in Fort Bragg, California. The Coast Guard Civil Engineering Unit in Oakland, California seeks bids to dredge and dispose of sediment from the mooring area, with dredged material to be transported to an approved upland disposal location furnished by the contractor. Bids are due by June 25, 2020. The project requires dredging, disposal, and all associated management, labor, equipment, transportation, and supervision to complete the work according to provided specifications and drawings. The solicitation will be posted on May 25, 2020 at http://www.fedbizopps.gov, where all official plan holders and amendments will be listed. Bidders must register with the System for Award Management. The estimated value of the construction project is between $500,000 and $1,000,000.
The Coast Guard reserves the right to cancel the solicitation before or after the bid due date.
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Text version
LEGEND
-10
EXISTING BOTTOM RIVER CONTOUR
(CONTOUR NTERVAL = 1')
DESIGN DREDGE CONTOUR
(CONTOUR INTERVAL = 1')
-5
5' DREDGE BUFFER FROM EEL GRASS
0'
-10'
0'
-10'
-15'
0+00 1+00
-15'
-5' -5'
A
A'
DESIGN DREDGE LIMITS
DOCK
DOCK
F
L
O
A
T
I
N
G
D
O
C
K
F
L
O
A
T
I
C
K
D R
E D
E
L
I M
I T
S
EXISTING GRADE
2' OVERDREDGE
MHHW (6.23' MLLW)
E L E
V A
T I O
N
F
T
M
L
W
SECTION A - A'
A A'
SITE
VICINITY MAP
1. The bathymetry was acquired on August 17, 2018 with a Reson T50-R multibeam sonar by Foth/CLE Engineering.
2. The horizontal coordinate system is North American Datum 1983 (NAD83), projected to California State Plane Zone II, in U.S. Survey Feet.
3. All depths are relative to Mean Lower Low Water (MLLW), based on NOAA tidal benchmark 7426C, which is 11.637 feet above MLLW.
NOTES:
4. Foth/CLE recommends using a 10-foot setback from all structural features, such as pilings, dolphins, rip-rap, and structural rubble.
HORIZONTAL SCALE:
40' 20'
EXISTING
CONDITIONS
WITH
DREDGE DESIGN
1" = 20'
JRK4 AUGUST, 2018
JRB2
JRB2
CJE
SEPT. 2018
SEPT. 2018
SEPT. 2018
ROCK / DEBRIS / OBSTRUCTION BOUNDARY
DEBRIS / ROCK / OBSTRUCTION AREAS
F o t h n f r a s t r u c t u r e n v i r o n m e n
C
CHECKED
DESIGNED
DRAWN
SURVEYED
BY DATE
R E
V I S
I O
N S
N O
B
Y D
A T
E D
E S
C R
I P
T I O
N
D A
T E
B Y
PROJECT ID:
DATE OF PREPARATION
R E
C O
R
A
W I
F
C
M
P L E
T
N
S T
R U
C T
I
B
Y
R E
U S
C
U M
E N
T S
T H
C
U M
E
H
A
V
E L
O P
P E
C I F
P
L I C
A T
I
T
F
N
E R
U
E
R E
F O
M
W
T
H O
I T
T E
N
A P
P R
O V
F R
A S
T R
U C
T U
V
I R
O N
M E
N
A
P P
R O
V E
D
U
S
P O
N S
I B
I L
I
A
U T
H O
R I Z
E
R
R E
C O
A
W I N
M
P L
E T
N
S T
R U
C T
I O
N
C O
N F
O R
M I
N
T R
A C
T
N
E
C
O R
D S
18W009.00
M E
N D
O C
I
U
N T
Y C
A L
I F
O R
N I A
D R
E D
G I
O
J E
C T
N O
V
E R o m m e r c i a l u l e v a r d
N o v a t l i f o r n i
P h o n
-15
CONTROL POINT
3" BRASS DISK 7426C
2285269.027ftN 6052418.018ftE
11.67' MLLW
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