Specifications_Plans_Ash 204 Amendment 01.pdf
PDF 6 MB Posted
- Attached to
- FY21 Ashtabula 204 (submerged) Breakwater Construction Federal contract opportunity
- Solicitation number
- W912P421B0003
About this file
This amendment modifies specifications and plans for the FY21 Ashtabula 204 (submerged) Breakwater Construction solicitation issued by the Department of the Army Corps of Engineers Engineering District Buffalo. Key details include:
-
The amendment updates the specifications to note a separate dredging contract will operate in the area between August 1-September 30, 2021, and prohibits the contractor from interfering with dredging operations or operating vessels east of the defined work limits after August 1st.
-
Sheet G-002 of the contract drawings is replaced to show updated work limits and an exclusion zone where the contractor is prohibited from entering.
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The solicitation is for an estimated $5-10 million contract to construct a new submerged breakwater in Ashtabula Harbor, Ohio per the modified specifications and plans.
-
Relevant documents are on file with the Buffalo District of the Army Corps of Engineers and provide survey control data, channel depths and limits, and additional attachments referenced in the specifications.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Amendment_Package_W912P421B0003_0001__19_Feb.pdf | ||
| Wage Determination 08 Jan 2021.pdf | ||
| Ashtabula 204_pre-bid meeting_9FEB2021.pdf | ||
| Plans and Specs.pdf | ||
| W912P421B0003.pdf |
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Text version
AMENDMENT NO. 1
W912P421B0003
ASHTABULA, OHIO
ASHTABULA HARBOR
SECTION 204 - NEW SUBMERGED BREAKWATER
UPDATED SPECIFICATIONS
AND PLANS
16 FEBRUARY 2021
Amendment No.1 W912P421B0003
The following changes have been made to the specifications.
Section 01 35 13 - Paragraph 1.2.6.2 Work by Others - The paragraph has been changed. The paragraph now reads as shown below:
1.2.6.2 Work by Others
A separate contract for dredging in Ashtabula Harbor will be starting in August 2021. The dredging contractor will likely be dredging the outer harbor and river between August 1 and September 30, 2021. Allow the dredging contractor access to this area and do not interfere with their operations. The dredging contractor will be releasing sediment in the area using a tug boat and barge. After August 1, 2021, do not operate or moor any vessels or floating plant east of the work limits shown on the General Plan on Sheet G-002 of the contract drawings. A point of contact for the dredging contractor will be provided after that contract has been awarded.
Sheet G-002 has been updated and is attached to this amendment.
BREAKWATER
NEW SUBMERGED
BREAKWATER
NEW SUBMERGED
300'
300'
EXCLUSION ZONE, SEE NOTE 7
SEE NOTE 8
WORK LIMITS,
S O
L
IC
IT
A T
IO
N N
O
D E
S
IG
N E
D B
Y
D E
S C
R
IP
T
IO
N M
A R
K
S
IZ
E
S U
B M
IT
T E
D B
Y
D A
T E
C O
N T
R A
C T N
O
C H
E C
K E
D B
Y
D R
A W
N B
Y
IS
S
U E D
A T
E
SHEET ID
A
B
C
D
E
F
G
1 98765432
VICINITY MAP
SCALE OF MILES
50 0 50 100
PENNSYLVANIA
OHIO
NEW
YORK
BUFFALO
CLEVELAND
DETROIT
LAKE
ERIE
LAKE ONTARIO
LAKE
HURON
ONTARIO
N
N
E
S
W
NNE
NE
ENE
ESE
SE
SSE
WNW
NW
NNW
SSW
SW
WSW
5%
10%
15%
M I
L E
S
L E
S
0.
0.
0.
0.
0.1
0.1
2.8 - 2.8% 0 T
O 12
MPH
0.9 - 0.9% 13 TO 24 MPH
0.1 - 0.1% 25 MPH AND GREATER
1.2 - 1.0
0.2 - 0.2
1.
1.
0.
1.
00.4
0.4
6.6 - 7.3
3.0 - 3.3
1.2 - 1.4
0.9 - 0.9
0.5 - 0.5
0.5 - 0.4
L A
K E
E R I E
L E
S
L E
S
L E
S
NOTES
INDICATES DURATION FOR ICE-FREE PERIOD (MAR. TO
INDICATES DURATION FOR ICE PERIOD (JAN. TO FEB.
INCL.) IN PERCENT OF TOTAL DURATION.
DEC. INCL.) IN PERCENT OF TOTAL DURATION.
FIGURES AT END OF BARS INDICATE PERCENT OF
TOTAL WIND DURATION FOR ICE-FREE PERIOD AND
COMBINED ICE-FREE AND ICE PERIODS, RESPECTIVELY.
WIND DATA BASED ON RECORDS OF THE SCOTT AIR
FORCE BASE, ILLINOIS FOR PERIOD SEPT. 1976 TO
DEC. 1986.
WIND DIAGRAM FOR ASHTABULA, OHIO
ASHTABULA
®of Engineers
US Army Corps
U .S
A R
M Y C
O R
P S O
F E
N G
IN
E E
R S
B
U F F
A L
O
N Y
N
IA
G A
R A S
T R
E E
T
B U
F F
A L
O D
IS
T R
IC
T
P P
R O J E
C T N
O
N E
W S
U B
M E
R G
E D B
R E
A K
W A
T E
R
C1
GENERAL PLAN
SCALE: 1"=500' 0 500' 1000'
NORTH
PLAN
T R
U E N
G-002
S A
C
P D
T
F L E
W A
N D
O W
S K I, P
E
G E
N E
R A
L I
N F
O R
M A
T
IO
N
A N
S I
D
DEPTH
29' CHANNEL
28' CHANNEL DEPTH
28' CHANNEL DEPTH
27' CHANNEL DEPTH
E X
IS
T
IN
G E
A S T B
R E A K
W A T E R
E X
IS
T
IN
G W
E S T B
R E
A K
W A T E
R
EXISTING INNER BREAKWATER
A S
H T
A B
U L
A R
IV
E R
M
IN
N E S
O T
A S
L
IP
LAKE ERIE
LAKE ERIE
CITY OF ASHTABULA
F6
LOCALITY MAP
INDEX OF DRAWINGS
TITLE
B.M.
CL
E
CL
EL.
H
IGLD
MAX.
MIN.
N
O.C.
STA.
TYP.
W
W/
AT
BASELINE
BENCH MARK
CENTERLINE
CLEARANCE
EAST
ELEVATION
HORIZONTAL
MAXIMUM
MINIMUM
NORTH
ON CENTER
STATION
TYPICAL
VERTICAL
WEST
WITH
S SOUTH
STD. STANDARD
V
BL
ABBREVIATIONS
LAKES DATUM 1985
INTERNATIONAL GREAT
B/W BETWEEN
SHEET ID
LOW WATER DATUMLWD
PT POINT
DIA. DIAMETER
C-501REACH 1 & 2 TYPICAL CROSS SECTIONS
C-303REACH 2 CROSS SECTIONS
C-302REACH 2 CROSS SECTIONS
C-301REACH 1 CROSS SECTIONS
C-102PLAN OF NEW WORK
C-101EXISTING CONDITIONS PLAN
G-102GENERAL INFORMATION
G-101COVER SHEET
ASHTABULA
CERTIFIED FINAL DOCUMENTS - RTA
A S
H T
A B
U L
A H
A R
B O
R
A S
H T
A B
U L
A
O H
IO
D E
C E
M B
E R
W P
B
W P
C
W1
W2
W3
W4
W4: N=823812 E=2435082
W3: N=824095 E=2435082
W2: N=824320 E=2434643
W1: N=825007 E=2434040
COORDINATES FOR THE WORK LIMITS ARE GIVEN BELOW:
FLOATING PLANT EAST OF THE WORK LIMITS SHOWN ON THE GENERAL PLAN.
AFTER AUGUST 1, 2021, DO NOT OPERATE OR MOOR ANY VESSELS OR 8.
STARTING CONSTRUCTION OF THE NEW SUBMERGED BREAKWATER.
MARK THE LIMITS OF THIS AREA WITH TEMPORARY BUOYS BEFORE
IN THE FIELD BY THE CONTRACTING OFFICIER. THE CONTRACTOR IS TO
THE GENERAL PLAN IN ANY WAY. AREA SHOWN MAY BE FURTHER DEFINED
CONTRACTOR IS NOT TO ENTER THE "EXCLUSION ZONE" AREA SHOWN ON 7.
AT THE TIME THE SURVEYS WERE PERFORMED.
ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING
WERE GENERATED FROM FULL MULTIBEAM SONAR AND LIDAR AND CAN
5 EXCEPT AS NOTED BELOW. THE CONTOURS SHOWN ON THE DRAWINGS
C-303) WERE ESTABLISHED BASED ON THE 2020 SURVEY DISCUSSED IN NOTE
OF THE BREAKWATER SHOWN ON THE DRAWINGS (SHEETS C-301 THORUGH
THE PLAN OF EXISTING CONDITIONS (SHEET C-101) AND CROSS-SECTIONS 6.
INSPECTION AT THAT OFFICE.
1776 NIAGARA STREET, BUFFALO, NEW YORK. THEY ARE AVAILABLE FOR
ARE FILED AT THE U.S. ARMY CORPS OF ENGINEERS, BUFFALO DISTRICT,
VESSEL-MOUNTED LIDAR. ALL INFORMATION REGARDING THE SURVEYS
ENGINEERS, BUFFALO DISTRICT IN MAY 2020, USING MULTIBEAM SONAR AND
EAST BREAKWATER WERE PERFORMED BY THE U.S. ARMY CORPS OF
ADJACENT TO THE NEW SUBMERGED BREAKWATER AND THE EXISTING
SURVEYS OF THE EXISTING HARBOR BOTTOM ALONG THE ALIGNMENT AND 5.
DISTRICT, 1776 NIAGARA STREET, BUFFALO, NEW YORK.
OBTAINED BY CONTACTING THE U.S. ARMY CORPS OF ENGINEERS, BUFFALO
INFORMATION ABOUT SURVEY CONTROL FOR CLEVELAND HARBOR CAN BE
ATTACHMENTS TO THE CONTRACT SPECIFICATIONS. ADDITIONAL
SOUNDINGS AND SURVEY CONTROL POINT DATASHEETS ARE INCLUDED AS
LOCATIONS AND DEFINITIONS OF THE CHANNEL LIMITS, 2019 CHANNEL 4.
OHIO STATE PLANE COORDINATE SYSTEM - OH NORTH ZONE.
HORIZONTAL CONTROL IS REFERRED TO NORTH AMERICAN DATUM 1983 3.
MINUS SIGN (E.G. -8.0 ).
ANY SIGN (E.G. +8.0 OR 8.0). DEPTHS BELOW L.W.D. ARE PRECEDED BY A
ELEVATIONS ABOVE L.W.D. ARE PRECEDED BY A PLUS SIGN OR WITHOUT 2.
1985).
LEVEL AT FATHER POINT, QUEBEC, INTERNATIONAL GREAT LAKES DATUM
DATUM (LWD) FOR LAKE ERIE (ELEVATION 569.2 FEET ABOVE MEAN SEA
ALL ELEVATIONS AND DEPTHS ARE REFERENCED TO THE LOW WATER 1.
GENERAL NOTES
W O
R K L
IM
IT
S A
D D
E D T
O G
E N
E R
A L P
L A
N
N O
T E A
D D
E D
/1
/2
| COVER PAGE |
| LIST OF CHANGES |
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