C-103_Amend0004.pdf
PDF 4 MB Posted
- Attached to
- Portsmouth Harbor Maintenance Dredging
- Solicitation number
- W912WJ21B0015
About this file
This solicitation is for maintenance and improvement dredging of the Portsmouth Harbor Federal Navigation Project. The scope of work includes dredging approximately 2,300 cubic yards of ordinary material and 674,800 cubic yards of ordinary material plus 14,700 cubic yards of hard material to expand the existing 35-foot deep turning basin. All dredging will be performed using a mechanical dredge and scows, with disposal at four sites - the Isle of Shoals North Disposal Site for all hard material and 182,300 cubic yards of ordinary material, the Salisbury and Newbury Nearshore Disposal Sites for 192,500 cubic yards of ordinary material, and beach fill placement at Nantasket Beach for approximately 300,000 cubic yards. The removal of hard material requires submarine drilling and confined blasting. Offerors must submit responses by the date specified in solicitation number W912WJ21B0015 issued by the Department of the Army Corps of Engineers New England District.
View the file
Other files
| File | Type | Posted |
|---|---|---|
| Bid Abstract.pdf | ||
| Amendment 0008.pdf | ||
| Amendment 0007.pdf | ||
| Amendment 0006.pdf | ||
| Revised Plan Sheets (Drawings) 9-1-2021.pdf | ||
| Amendment 0005.pdf | ||
| Revised Spec Sections 01-11-00 and 01-22-00_Amend 0005.pdf | ||
| C-301_Amend0004.pdf | ||
| Amendment 0004.pdf | ||
| C-101_Amend0004.pdf | ||
| G-001_Amend0004.pdf | ||
| C-302_Amend0004.pdf | ||
| Amendment 00003.pdf | ||
| Amendment 0002.pdf | ||
| Amendment 0001.pdf | ||
| W912WJ21B0015.pdf | ||
| Drawings.pdf | ||
| Specs.pdf |
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Text version
CONCRETE
SEAWALL (TYP)
M A S S A C H U S E T T S B A Y
E 830500
E 831500
E 831000
E 830000 N 2
N 2
N 2
N 2
E 832000
N 2
N 2
N 2
N 2
N 2
N 2
E 830500
E 831000
E 831500
E 832000
E 830000
N 2
NANTASKET AVENUE
HULL SHORE DRIVE
PARK AVENUE
ATHERTON ROAD
BERKLEY ROAD
MHW (5
.14)BEACH FILL MATERIAL
NANTASKET AVENUE
GEORGE WASHINGTON BLVD
W H
AR
F
A
VE
25' WIDE BERM AT
EL. 12' (NGVD29), TYP
1V :2
5H S
LO
PE
(T
YP
MLW (-4.35)
MLLW
NANTASKET BEACH
+0
+0
+0
+0
0 28 +0
+0
+0
0 31 +0
0 32 +0
33+00
+0
+0
+0
0 37+00 38 +0
0 39 +0
0 40 +0
0 41 +0
+0
0 43 +0
0 44 +0
0 45 +0
0 46 +0
+0
+0
0 49 +0
0 50+00
+0
+0
+0
1V :2
5H S
LO
PE
(T
YP
1V :2
5H S
LO
PE
(T
YP
1V :2
5H S
LO
PE
(T
YP
25' WIDE BERM AT EL.
12' (NGVD29), TYP
25' WIDE BERM AT EL.
12' (NGVD29), TYP
25' WIDE BERM AT EL.
12' (NGVD29), TYP
MLW
(-4
.35
MLL
W
4.7
0)
MHW (5.14)
(-4.70)
MLW (-4.35)
MLLW (-4.70)
SLOPE ENDS
AT 1V:10H
NANTASKET BEACH
NANTASKET BEACH
NANTASKET AVENUE
TOWN/BEACH PARKING LOT
TOWN/BEACH PARKING LOT
TOWN/BEACH PARKING LOT
T O W N O F H U L L, MA
VEHICLE ACCESS RAMP
END EAST END OF BERM
AT STATION 51+36.26±
PEDESTRIAN STAIRWAY
ACCESS TO BEACHPEDESTRIAN STAIRWAY
ACCESS TO BEACH (TYP
AT EACH END)
PEDESTRIAN RAMP
ACCESS TO BEACH
PEDESTRIAN STAIRWAY
ACCESS TO BEACH
PEDESTRIAN RAMP
ACCESS TO BEACH
PEDESTRIAN RAMP /
STAIRWAY ACCESS TO
BEACH
PEDESTRIAN RAMP /
STAIRWAY ACCESS TO
BEACH
PEDESTRIAN RAMP
ACCESS TO BEACH
CONCRETE BLOCK
KNEE WALL
PICNIC PATIO
GRADING AT ACCESS WAYS
(SEE GENERAL NOTE 8 ON
SHEET C-102); TYPICAL FOR
ALL ACCESS WAYS
TOE OF BEACH FILL
(APPROXIMATE LOCATION);
SEE GENERAL NOTE 10
ON SHEET C-102
TOE OF BEACH FILL
(APPROXIMATE LOCATION);
SEE GENERAL NOTE 10
ON SHEET C-102
TOE OF BEACH FILL
(APPROXIMATE LOCATION);
SEE GENERAL NOTE 10
ON SHEET C-102
CONCRETE
SEAWALL (TYP)
CONCRETE
SEAWALL (TYP)
NO CONTRACTOR
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NOTE TO BIDDER: PLAN SHEET C-103 FOR AWARD
OF OPTIONAL BID ITEMS 0004 AND 0005 ONLY.
NEWBURY NEARSHORE DISPOSAL
SITE BOUNDARY COORDINATES:
NORTHING EASTING
3120627.430 845029.560
3118312.317 844342.261
3117516.497 844233.740
3117166.819 844233.740
3116346.883 844378.435
3114694.954 844583.418
3114743.185 843956.409
3115804.278 843823.772
3116214.246 843908.177
3117190.934 843642.904
3118179.680 843293.226
3118661.996 843377.631
3119108.137 843558.499
3119795.436 843739.367
3120904.761 844221.682
SALISBURY NEARSHORE DISPOSAL
SITE BOUNDARY COORDINATES:
NORTHING EASTING
3132540.613 840568.145
3133830.806 840483.740
3133939.327 841954.801
3132661.192 842027.148
COORDINATES FOR ISLES OF SHOALS NORTH (IOS-N) AND
SALISBURY AND NEWBURY NEARSHORE DISPOSAL SITES
NOTES:
1. REFER TO "DISPOSAL SITE MAP" SHOWN ON SHEET G-001.
2. REFER TO SECTION 35 20 23 (MECHANICAL DREDGING), SUBPART "DISPOSAL
SITES" FOR ADDITIONAL INFORMATION REGARDING IOS-N DISPOSAL SITE
AND THE SALISBURY AND NEWBURY NEARSHORE DISPOSAL SITES.
ISLES OF SHOALS NORTH (IOS-N) DISPOSAL SITE -
DISPOSAL TARGET SITE FOR ORDINARY MATERIAL
TARGET SITE RADIUS: 500 feet
TARGET SITE CENTER COORDINATES:
N 68769.377 (43.021654 N) NAD83
E 2875161.878 (70.456803 W) NAD83
ISLES OF SHOALS NORTH (IOS-N) DISPOSAL SITE -
DISPOSAL TARGET SITE FOR HARD (ROCK) MATERIAL
TARGET SITE RADIUS: 500 feet
TARGET SITE CENTER COORDINATES:
N 71103.356 (43.028063 N) NAD83
E 2875717.568 (70.454755 W) NAD83
BEACH FILL LAYOUT PLAN 2
SCALE: 1"=100'
TABLE APPLIES TO BASE BID ITEMS AND
OPTIONAL BID ITEM 0007 ONLY
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