00 00 00_COMBINED_W912DS-22-S-0023_PLANS (2).pdf
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- Houghtaling Island Sand Harvesting
- Solicitation number
- W912DS23B0023
About this file
This set of documents includes plans and specifications for a federal contract opportunity to harvest dredged material from Houghtaling Island, located on the Hudson River in New York. The U.S. Army Corps of Engineers, New York District is soliciting contractors to excavate approximately 362,000 cubic yards of dredged material that has been deposited in containment cell A1 at the Houghtaling Island Dredged Material Placement Site. Contractors will be responsible for construction and operation of material harvesting in accordance with the specifications. Work will be reviewed and approved by the Contracting Officer. The material is to be excavated from the south end of the containment cell and moved north. Slopes of excavated areas cannot exceed 1 vertical to 3 horizontal. Repair of dikes may involve borrowing material from designated areas, with dimensions conforming to the specifications.
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DESCRIPTION
US Army Corps of Engineers
New York District
W912DS-22-S-0023
SHEET
CORPS OF ENGINEERS U. S. ARMY
N E
W Y
O R
K
N Y
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
N E
W Y
O R
K D
IS
T R
IC
T
New York District of Engineers
US Army Corps
O P E
R A T
IO
S
D
IV
IS
IO
N A
P P
R O
V E
D
A P
P R
O V
E D
A P
P R
O V
E D
A P
P R
O V
E D
F I
E L
C A
R T
O G
R A
P H
E R
F I
E
B O
O K
S
N
A
A L B
A N
Y
F
IE
F F
IC
E
C E
N A
N O
P A
P L
T
A L
E
C H I
E
B A
I
E
F I
C E
C I
V
E
G I
N E
E R I
G
C H
N I
C I
H
N D
S
R
K I
N S
R E
Q U
E
F I
IN
E X
SHEET 1 OF 4
HOUGHTALING ISLAND PLACEMENT SITE TOPOGRAPHY AND LAYOUT
NOTES & DETAILS
IDENTIFICATION
SHEET
HOUGHTALING ISLAND OFFSHORE HYDROGRAPHY
P-101
N
A
HOUGHTALING ISLAND DMPS
BENEFICIAL USE OF DREDGED MATERIAL PROGRAM
SALE OF DREDGED MATERIAL
N E
W B
A L
T
IM
O R
E
N Y
S A
L E O
F D
R E
D G
E D M
A T
E R
IA
L
H O
U G
H T
A L
IN
G I
S L
A N
D D
M P
S
C I
V
C H I
T E
K
I
R W
T E
J
A N
U A
R Y
INDEX & GENERAL LOCATION MAPS
VICINITY MAP
HOUGHTALING ISLAND, NY
37.7
37.6
37.5
37.5
37.4
37.3
37.3
37.1
37.1
37.0
36.8
36.8
36.7
36.6
36.5
36.4
36.3
36.3 36.2
36.1
36.0
35.9
35.9
35.8
35.7
35.6
35.5
35.4
35.3
35.2
35.1
35.0
34.9
34.8
34.7
34.6
34.5
34.4
34.3 34.3
34.2
34.1
34.0
33.9
33.8
33.7
33.6
33.5
33.4
33.3
33.2
33.1
33.0
32.9
32.8
32.7
32.6
32.5
32.4
32.3
32.2
32.1
32.0
-32
-32
-3
-32
-3
-32
31.9
31.8
31.7
31.6
31.5
31.4
31.3
31.2
31.1
31.0
30.9
30.8
30.7
30.6
30.5
30.4
30.3
30.2
30.1
30.0
29.9
29.8
29.7
29.6
29.5
29.4
29.3
29.2
29.1
29.0
28.9
28.8
28.7
28.6
28.5
28.4
28.3
28.2
28.1
28.0
27.9
27.8
27.7
27.6
27.5
27.4
27.3
27.2
27.1
27.0
26.9
26.8
26.7
26.6
26.5
26.4
26.3
26.2
26.1
26.0
25.9
25.8
25.7
25.6
25.5
25.4
25.3
25.2
25.1
25.0
24.9
24.8
24.7
24.6
24.5
24.4
24.3
24.2
24.1
24.0
23.9
23.8
23.7
23.6
23.5
23.4
23.3
23.2
23.1
23.0
22.9
22.8
22.7
22.6
22.5
22.4
22.3
22.2
22.1
22.0
21.9
21.8
21.8
21.7
21.6
21.5
21.4
21.3
21.2
21.1
21.0
20.9
20.8
20.7
20.6
20.5
20.4
20.3
20.2
20.1
20.0
19.9
19.8
19.7
19.6
19.5
19.4
19.3
19.2
19.1
19.0
18.9
18.9
18.8
18.7
18.6
18.5
18.4
18.3
18.2
18.1
18.0
17.9
17.8
17.7
17.6
17.5
17.4
17.3
17.2
17.1
17.0
16.9
16.8
16.7
16.6
16.5
16.4
16.3
16.2
16.1
16.0
15.9
15.9
15.8
15.8
15.7
15.6
15.5
15.4
15.3
15.2
15.2
15.1
15.0
14.9
14.8
14.7
14.6
14.5
14.4
14.3
14.2
14.2
14.1
14.0
13.9
13.8
13.7
13.6
13.5
13.4
13.3
13.2
13.1
13.0
12.9
12.8
12.7
12.7
12.6
12.5
12.4
12.3
12.2
12.1
12.1
12.0
11.9
11.8
11.7
11.6
11.5
11.5
11.4
11.3
11.2
11.1
11.0
10.9
10.8
10.7
10.6
10.5
10.4
10.3
10.2
10.1
10.0
9.9
9.9
9.9
9.9
9.9
9.8
9.8
9.8
9.8
9.8
9.7
9.7
9.7
9.7
9.7
9.7
9.7
9.7
9.6
9.6
9.6
9.6
9.6
9.5
9.5
9.5
9.5
9.5
9.5
9.4
9.4
9.4
9.4
9.4
9.4
9.4
9.4
9.3
9.3
9.3
9.3
9.2
9.2
9.1
9.1
9.1
9.1
9.1
9.0
9.0
9.0
9.0
8.9
8.9
8.9
8.9
8.9
8.8 8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.7
8.7
8.6
8.6
8.6
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.4
8.4
8.4
8.4
8.4
8.4
8.3
8.2
8.2
8.2
8.2
8.2
8.2
8.2
8.1
8.1
8.0
8.0
8.0
8.0
8.0
7.9
7.9
7.9
7.9
7.9
7.8 7.8
7.8
7.8
7.8
7.8
7.8
7.8
7.7 7.7
7.7
7.7
7.7
7.7
7.7
7.6
7.6
7.6
7.6
7.5
7.5
7.5
7.5
7.5
7.4
7.4
7.4
7.4
7.3
7.3
7.3
7.3
7.3
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.0
7.0
7.0
7.0
6.9
6.9
6.9
6.9
6.9
6.9
6.9
6.8
6.8
6.8
6.7
6.7
6.7
6.7
6.7
6.6
6.6
6.6
6.6 6.6
6.6
6.6 6.6
6.5
6.5
6.5
6.5
6.5
6.4
6.4
6.4
6.4
6.3
6.3
6.3
6.2
6.2 6.2
6.2
6.2
6.2
6.2
6.2
6.2
6.1
6.1
6.1
6.1
6.0
6.0
5.9
5.9
5.9
5.9
5.9
5.9
5.9
5.8
5.8
5.8
5.8
5.8
5.8
5.8
5.7
5.7
5.7
5.7
5.7
5.75.7
5.7
5.7
5.7
5.6
5.6
5.6
5.6
5.6 5.6
5.5 5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.4
5.4
5.4
5.4
5.4
5.4
5.3
5.3
5.3
5.3
5.3
5.2
5.2
5.2
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0 4.9
4.9 4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.8
4.8
4.8
4.8
4.8
4.7
4.7
4.7
4.7
4.6
4.6
4.5
4.5 4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.3
4.3
4.3
4.3
4.3
4.3
4.3
4.3
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2 4.2
4.2
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.8
3.8
3.8
3.8
3.7
3.7
3.7
3.7
3.7
3.7
3.7
3.7
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.5
3.5 3.5
3.4
3.4 3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.2
3.2
3.2
3.2
3.2
3.23.2 3.2
3.1
3.1
3.1
3.1
3.1
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8 2.8
2.8
2.8
2.8
2.8
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3 2.3
2.3
2.3
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2 2.2
2.2 2.2
2.2
2.2
2.2
2.2
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.9
1.9
1.9
1.9
1.9
1.9 1.9
1.9
1.9 1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.8
1.8 1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.61.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.5
1.5
1.5
1.5
1.5 1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5 1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4 1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3 1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3 1.3
1.3
1.2 1.2
1.2
1.2
1.2
1.2
1.2
1.2 1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2 1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.1
1.1 1.1
1.1
1.1
1.1 1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0 1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9 0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.90.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8 0.8
0.8
0.8
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0.8
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0.5 0.5
0.4
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0.4 0.4
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0.4
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0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
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0.4 0.4
0.4
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0.4
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0.4
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0.4
0.4
0.3
0.3
0.3
0.3
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0.3 0.3
0.3
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0.3
0.3
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0.3
0.3
0.3
0.3
0.3
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0.3
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0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2 0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
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0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2 0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1 0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0
0.0
0.0
0.0
0.0
0.0
WEST CHANNEL LIN
E
EAST CHANNEL LIN
E
0.0
0.0
0.0
0.0
0.0
0.0
0.0
SCALE 1" = 50'
50 150 200100
NSRS/NGS CONTROL DATA
LOCAL CONTROL DATA
STAMPED: HR-12 2016
ELEVATION: 8.67' NAVD 88 1,318821.55 684451.34
HR-12 PID# NORTHING EASTING BENCHMARK:
1,428,037.76 709,760.15
BENCHMARK: TROY DAM 1 PID# BBDR68 NORTHING EASTING
ELEVATION: 25.32' NAVD 88
LOCAL CONTROL DATA
ELEVATION: 3.87' NAVD 88 1,124,859.59 641003.46
01-1 PID# NORTHING EASTING BENCHMARK:
STAMPED:
E=686000
E=685500 E=685500
E=686000
N
N
N
N
N
E=686500
N
E=686500
U. S. ARMY
N E
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New York District of Engineers
US Army Corps
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F I
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S
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IDENTIFICATION
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+0.0
TO GAHAGAN & BRYANT ASSOCIATES, INC.
WORK FOR WHICH IT WAS ACQUIRED SHALL BE AT THE SOLE RISK OF THE USER AND WITHOUT LIABILITY
PROVIDED HERE. REUSE OF THIS INFORMATION BY CLIENT OR OTHERS BEYOND THE SPECIFIC SCOPE OF
DUE TO SHOALING EVENTS, A PRUDENT MARINER SHOULD NOT RELY EXCLUSIVELY ON THE INFORMATION
CONDITIONS EXISTING AT THAT TIME. BECAUSE THESE CONDITIONS MAY BE SUBJECT TO RAPID CHANGE
BY GAHAGAN & BRYANT ASSOCIATES, INC. FROM SEP-NOV 2019 AND CAN ONLY BE CONSIDERED AS INDICATING THE
THE INFORMATION PRESENTED ON THIS DRAWING REPRESENTS THE RESULTS OF A SURVEY PERFORMED 12.
USING A CASTAWAY SOUND VELOCITY PROBE AND A VALPORT SOUND VELOCITY PROBE AT THE HEAD.
CTD CAST WERE TAKEN DURING ACQUISITION FOR ACCURATE SPEED OF SOUND PROFILES
SURVEY PROCESSING SOFTWARE: HYPACK/HYSWEEP VERSION 2018
SURVEY ACQUISITION SOFTWARE: HYPACK VERSION 2018
NAVIGATION SYSTEMS: APPLANIX POS/MV INERTIAL NAVIGATION SYSTEM, IN REAL TIME KINEMATIC (RTK)MODE.
ECHOSOUNDER: RESON T20-P MULTIBEAM SYSTEM.
SURVEY VESSELS: WALTER G
THE SURVEY WAS CONDUCTED BY GAHAGAN & BRYANT ASSOCIATES, INC. USING THE FOLLOWING:11.
THIS MAP IS CEPD COMPLIANT IN ACCORDANCE WITH ER 1110-2-8160 AND EM 1110-2-6056.10.
THIS SURVEY WAS PERFORMED USING LOCAL CONTROL ESTABLISHED BY THE CORPS OF ENGINEERS.9.
THE PLANIMETRICS AND ORTHO PHOTOS SHOWN ON THIS MAP ARE FOR ORIENTATION PURPOSES ONLY.8.
THE DATA DEPICTED ON THIS MAP SHOULD NOT BE USED FOR VOLUME CALCULATION PURPOSES.7.
CONTOURS ON THIS MAP WERE GENERATED USING THE MAP DATA SET.6.
THIRTY (30') FEET WITH CHANNEL PRIORITY.
MULTI-BEAM SOUNDINGS AS SHOWN ARE REPRESENTED USING THE MEDIAN OF A THREE (3') FOOT CELL SORTED TO 5.
D. REACH N04 TO N01 AUTHORIZED PROJECT DATUM IS 14', MEASURED FROM NORMAL POOL OF 13.59' ABOVE NAVD 88.
C. REACH 01 TO REACH N05 AUTHORIZED PROJECT DEPTH OF 14', MEASURED FROM 3.8' BELOW NAVD 88.
MEASURED FROM 3.8' BELOW NAVD 88.
B. FROM 2200' SOUTH TO 900' SOUTH OF MALL DUNN BRIDGE AUTHORIZED PROJECT DEPTH OF 27'
A. REACH 63 TO REACH 01 AUTHORIZED PROJECT DEPTH OF 32', MEASURED FROM 2.55' BELOW NAVD 88.
VERTICAL DATUM FOR THIS PROJECT IS NAVD 88.4.
THE SOUNDINGS ON THIS MAP MEET USACE EM 1110-2-1003 ACCURACY STANDARDS.3.
INDICATED AND CAN ONLY BE CONSIDERED AS THE GENERAL CONDITIONS EXISTING AT THAT TIME.
THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE DATES2.
NEW YORK, 3101 EAST US SURVEY FEET.
COORDINATES REFER TO US STATE PLANE COORDINATE SYSTEM NAD 1983(2011), 1.
PROJECT SPECIFIC NOTES:
M A
T C
H L I
E E
T
REACH 22
NN
NY 3101 GRID NAD83 (2011)EAST
+0.1
+0.2
+0.3
+0.4
+0.5
+0.6
+0.7
+0.8
+0.9
+1.0
+1.1
+1.2
+1.3
+1.4
+1.5
+1.6
+1.7
+1.8
+1.9
+2.0
+2.1
+2.2
+2.3
+2.4
+2.5
+2.6
+2.7
+2.8
AERIAL L.I.D.A.R. SURVEY CONTROL STATIONS :
45.33686442.2931314701.338CP-2 "MONUMENT HR-8"
53.62687024.6721313980.291CP-1 "REBAR W/CAP"
ELEVATIONEASTINGNORTHINGID
A.1
A.2
A.3
B.1
B.2
B.3 A.4
31 L
C
J K
I
242322
N
E 688000
E 686000
N
N
N
E
E 688000
E 686000
N
E 687000
GRID NORTH
ACCESS R
OAD
D
G
E
H
AA
A
F
B
BB
CORPS OF ENGINEERS
-THIS MAP IS NOT CEPD COMPLIANT.
PURPOSES ONLY.
-THE IMAGERY SHOWN ON THIS MAP ARE FOR ORIENTATION
-AERIAL IMAGERY PROVIDED BY NEW YORK STATE G.I.S. CLEARING HOUSE.
GROUND CLASSIFIED L.I.D.A.R. DATA SET.
-1' INTERVAL CONTOURS ON THIS MAP WERE GENERATED USING THE
-ELEVATIONS ON THIS MAP REFER TO THE NORTH AMERICAN VERTICAL DATUM OF 1988.
NEW YORK EAST ZONE, US SURVEY FEET.
-COORDINATES REFER TO US STATE PLANE COORDINATE SYSTEM NAD 1983,
-THE ELEVATIONS ON THIS MAP MEET EM 1110-2-1003 ACCURACY STANDARDS.
AS THE GENERAL CONDITIONS EXISTING AT THAT TIME.
SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED
-THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF
PROJECT SPECIFIC NOTES:
BENCHMARK: HR-8
ELEVATION: 45.33' (NAVD88)
LOCAL CONTROL DATA
ELEVATION: 13.01' (NAVD88)
BENCHMARK: H397 (PID: MZ065)
NSRS BENCHMARK
H U D S O N R I V E R
E 687000
N
N
686396.261315134.7031
686471.961314810.1330
686493.621314573.4729
686490.541314431.1728
687212.191313633.81BB
687522.791313852.04AA
686399.691315189.55L
686969.811315194.99K
687017.361315009.80J
687075.431314522.03I
687680.651314430.30H
687705.121314844.90G
687674.341315111.97F
687737.101315479.93E
687591.031315517.69D
686936.391315492.83C
686669.691315509.68B
686349.121315495.27A
686910.241312362.7827
686925.131312768.2226
686905.941313574.5525
686440.091314012.9624
686455.081313799.8323
686453.271313557.9322
686575.521313135.1621
686640.271312759.6920
686675.461312587.8919
686673.281312469.6218
686720.231312072.6717
686995.031311995.0416
687086.001312050.0215
687104.041312114.8914
687109.861312504.8013
687130.041312609.6712
687207.641312784.9911
687239.951312932.8810
687355.381313149.749
687410.161313348.038
686890.371314033.055
686750.811314040.324
686428.031314394.901
EastingNorthingDescription
+35.00 ELEVATION SURFACE.
TO DETERMINE THE APPROXIMATE LOCATION OF THE PRE FILLED
ASSUMED SLOPE OF 1V-3H WAS USED FROM EXISTING TOP OF SLOPE
PERFORMED WITOUT THE BENIFIT OF A PRE FILLED SURVEY. A
CUT VOLUME CALCULATIONS ARE ESTIMATES.CALCULATIONS WERE
NOTE:
3 3
5 5
11 11
15 15
16 16
17 17
18 18
19 19
20 20
21 21
23 23
26 26
26 26
29 29
30 30
31 31
31 31
32 32
33 33
33 33
34 34
35 35
35 35
36 36
36 36
37 37
37 37
38 38
38 38
9 3
39 39
40 40
41 41
41 41
42 42
42 42
43 43
44 44
46 4
46 46
48 48
49 49
49 49
49 4
49 49
50 50
51 51
51 51
52 52
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US Army Corps
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CORPS OF ENGINEERS
CUT VOLUME TO ELEVATION +35.00 361,897 CU YDSAREA A1
SURFACE TO SURFACE VOLUMETRIC CALCULATIONS
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VOLUME CALCULATION LIMIT
LINE ELEVATION (+49.00)
VOLUME CALCULATION LIMIT
LINE ELEVATION (+35.00)
VOLUME CALCULATION LIMIT
LINE ELEVATION (+35.00)
VOLUME CALCULATION LIMIT
EGRESS CORRIDOR
EGRESS CORRIDOR
INGRESS CORRIDOR
EGRESS CORRIDOR
TREE DISPOSAL AREA
BORROW AREA
REBAR W/CAP
"CP-1"
MONUMENT HR-8
"CP-2"
CORPS OF ENGINEERS U. S. ARMY
DIKE SECTION NOTES
PLACEMENT SITE NOTES
exterior containment dike.
corridors, no work shall be beyond the exterior toe of any
3. Other than work in designated pipeline ingress or egress
50 feet NAVD88. Maximum slope of exterior dikes is 1V:3H.
Maximum height of all containment area dikes shall be elevation
2. Minimum top width of all containment area dikes shall be 15 feet.
Placement Site Note 5, for the limits of material excavation.
in any subarea in Areas A. See Sheet 4, for the repair of existing dikes disturbed or damaged
1. Containment subarea A.4 shall be the sole source of material
9. The locations of existing influent and effluent pipeline corridors are shown on Sheet 3.
present al the lime of the survey. Soundings are expressed in feet and refer to the plane of Corps of Engineers Mean Low Water (COE MLW). The plane of COE MLW is 2.54 feet below NAVD88.
8. The Hudson River near shore hydrographic data, shown on Sheet 2, is provided for general information only. This data is based on a survey performed between September and November 2019 and represents conditions
7. When necessary, the contractor will coordinate with USACE staff and contractors perfoming work at the dredge material placement site, so as to not interfere with ongoing dredging operations utilizing Houghtaling Island.
6. The contractor may use the interior area of the Houghtaling Island site adjacent to the existing influent pipeline corridor for the staging of plant, equipment and materials.
Containment Area B.
direction. Upon completion of excavation, all excavated slopes shall be properly graded to a slope no greater than 1V:3H. The Contractor SHALL NOT excavate material from the existing bottom or the side slopes of dikes in shall be no deeper than elevation 35 feel NAVD88 in cell A.4. Excavation of the available material in cell A.4 shall start at the south end of the existing fill above elevation 35 feet NAVD88, and proceed in a northerly
5. Borrow material required for the repair of existing dikes, damaged or disturbed during operations, may be excavated from the locations designated above in Note 3, and as shown on Sheet 3. The depth of the excavation any tree/brush material cleared from within the containment area.
4. If required, the Contractor shall be responsible for clearing and disposal of any vegetation required for material harvesting. The contractor shall utilize the designated primary tree/brush management area for placement of dimensions shall conform to the lines and grades specified in Dike Section Note 2.
3. The sources of material approved for use in the repair of dikes shall be: the designated area identified and described in cell A.4. If dike repair is necessary do to contractor actions; the restored dike cross-sectional approximately 362,000 CY of material, spread across approximately 17 acres, in containment cell A.1 available for material harvesting.
2. Construction and operation of material harvesting at the dredged material placement site shall be the responsibility of the contractor and subject to the review and approval of the Contracting Officer. There are
1. Containment cell A.1 shall be the exclusive source for the material to be harvested.
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| 2-houghtaling off shore soundings |
| 3-H_Topo |
| 4 DETAILS2 |
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