G-008.pdf
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- Attached to
- South San Francisco Bay Shoreline Reaches 1-3
- Solicitation number
- W912P721R0002
About this file
This document package includes a solicitation notice and supporting documents for a federal construction contract. The U.S. Army Corps of Engineers, San Francisco District is seeking offers for the South San Francisco Bay Shoreline Reaches 1-3 project, a competitively solicited construction effort to restore three reaches of degraded shoreline. Offerors should monitor the notice for amendments following a required virtual site visit on February 4th, 2021. Questions from offerors are due by February 22nd, and final proposal submissions are due by March 23rd, 2021. The scope of work involves restoring Reaches 1 through 3 of the shoreline to address degraded conditions, including levee reconstruction, with borrow material to be provided by the government. Concurrent construction will also be undertaken by the U.S. Fish and Wildlife Service at the project site between September 16th and November 10th, 2021, which contractors must coordinate around.
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Text version
ALVISO MARINA
COUNTY PARK
POND A12
UPRR R/WUPRR R/W
CONSTRUCTION LIMIT
A
B/C
F
E
REACH 1
CONTROL LINE
0+00
10+00
15+00
20+00
25+00
30+00
35+00
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G-008
0 150'150' 75'
N
0 150'150' 75'
N
SACLE : 1"=150'
BORROW AND DISPOSAL
DESIGNATION DESCRIPTION
A
THE BORROW REQUIREMENTS SPECIFIED IN THE SPECIFICATIONS SHALL BE
USED TO RESTORE THE DEGRADED AREA FROM STA 0+00 TO 2+50. SEE
TYPICAL LEVEE SECTION A ON C-500 AND CROSS-SECTIONS ON SHEET
C-300. ANTICIPATED VOLUME = 15425 CY.
B/C
SITE WILL BE USED FOR ON-SITE STORAGE OF DEGRADED MATERIAL
DURING LEVEE CONSTRUCTION, WITH A MAXIMUM ELEVATION OF 7 FEET
(NAVD 88), AND SIDE SLOPES NO STEEPER THAN 5H:1V. SITE MAY BE USED
FOR ON-SITE STORAGE OF IMPORTED FILL DURING LEVEE CONSTRUCTION.
AREA WITHIN 180 FEET OF FOOTPRINT OF REACH 1 LEVEE SHOULD NOT BE
USED FOR ON-SITE STORAGE OF DEGRADED MATERIAL AND IMPORTED FILL
UNTIL AFTER REACH 1 LEVEE CONSTRUCTION IS COMPLETE.
STOCKPILE LOCATIONS OF GOVERNMENT FURNISHED LEVEE FILL.
ADDITIONAL FILL IS PURCHASED AT CONTRACTOR'S EXPENSE. SITE MAY
ALSO BE USED FOR ON-SITE STORAGE OF DEGRADED MATERIAL DURING
LEVEE CONSTRUCTION,WITH A MAXIMUM ELEVATION OF 7 FEET (NAVD 88),
AND SIDE SLOPES NO STEEPER THAN 5H:1V. SITE MAY BE USED FOR
ON-SITE STORAGE OF IMPORTED FILL DURING LEVEE CONSTRUCTION. AREA
WITHIN 180 FEET OF FOOTPRINT OF REACH 1 LEVEE SHOULD NOT BE USED
FOR ON-SITE STORAGE OF DEGRADED MATERIAL AND IMPORTED FILL UNTIL
AFTER REACH 1 LEVEE CONSTRUCTION IS COMPLETE.
D
EXISTING DIKE IS UNSUITABLE FOR LEVEE FILL. MATERIAL MAY BE USED TO
RECONSTRUCT INTERSECTING DIKES (SEE SHEETS C-105 TO C-107) IF THE
MATERIAL IS FREE OF VISIBLE ORGANICS. MATERIAL MAY BE TEMPORARILY
STOCKPILED IN AREA B/C AND E. PROVIDED IT IS KEPT DRY AND USEABLE
AS INTERSECTING DIKE FILL PER THE SPECIFICATIONS. ANTICIPATED
VOLUME = 132,000 CY.
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FOR PROPOSAL
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DESIGNATION DESCRIPTION
F
AFTER REACH 1 LEVEE CONSTRUCTION IS COMPLETE, DEGRADED
MATERIAL AND IMPORTED LEVEE FILL MAY BE STOCKPILED IN THIS AREA, IN
ADDITION TO AREAS B/C AND E. STOCKPILED DEGRADED MATERIAL WILL
HAVE A MAXIMUM ELEVATION OF 7 FEET (NAVD 88) AND SIDE SLOPES NO
STEEPER THAN 5H:1V. THE FUNCTIONALITY OF TIDAL MARSH INTAKE
STRUCTURE BETWEEN PONDS A13 AND A12 MUST BE MAINTAINED AT ALL
TIMES.
G
U.S. FISH AND WILD LIFE SERVICE (USFWS) WILL USE 1-ACRE STAGING AREA
FOR USFWS'S CONSTRUCTION EQUIPMENT AND MATERIALS FROM 16 SEP.
2021 TO 10 NOV. 2021. USFWS SHALL BE RESPONSIBLE FOR RESTORING THE
CONSTRUCTION SITE TO PRE-EXISTING CONDITION AT THE END OF THEIR
CONSTRUCTION.
USFWS WILL RESUME AND COMPLETE THEIR SEPARATE CONSTRUCTION OF
THE POND A13/A15 LEVEE FROM 16 SEP 2021 TO 10 NOV 2021. CONTRACTOR
SHALL NOT HAVE EXCLUSIVE CONTROL AND ACCESS TO THE
CONSTRUCTION SITE IN THE VICINITY OF REACH 1 FROM 16 SEP 2021 TO 10
NOV 2021 DUE TO USFWS CONSTRUCTION. CONTRACTOR MAY OBTAIN
CONTROL AND ACCESS DURING THIS PERIOD, PENDING COORDINATION
WITH USFWS CONTRACTOR. USFWS CONSTRUCTION WILL INCLUDE
CONCURRENT USE OF THE USACE FURNISHED HAUL ROAD. CONTRACTOR
SHALL NOT BE RESPONSIBLE OR LIABLE FOR USFWS OPERATIONS. USFWS'S
CONSTRUCTION WILL INVOLVE A TOTAL OF APPROXIMATELY 250 TRUCK
TRIPS.
H
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