GROUP-10--R-C001_AMEND_0001_revised091713.pdf
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- GROUP1-10-R-C001
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RFP Amendment 0001
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AMENDMENT CONTINUATION PAGE
SUMMARY OF CHANGES
1. Revise SECTION 00010 Description of Work, to the following:
DESCRIPTION OF WORK:
The work consists of maintenance dredging of a base amount of approximately 1,469,000 cubic yards with the option of dredging an additional 1,286,000 cubic yards of unclassified material from the Charleston Entrance Channel and shall be deposited in the Ocean Dredged Material Disposal Site for that project. The work is located in Charleston County, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act.
2. Revise the quantities on the bid schedule to include the revised survey data dated August
16, 2013, as shown below:
ITEM NO. DESCRIPTION
ESTIMATED
QUANTITY U/I
UNIT
PRICE AMOUNT
BASE
BID
1 MOBILIZATION AND
DEMOBILIZATION DREDGING
IN CHARLESTON ENTRANCE
CHANNEL
1 JB LUMP
SUM
2 DREDGING OF UNCLASSIFIED
MATERIAL IN CHARLESTON
ENTRANCE CHANNEL SHOALS
5-8 (MAIN CHANNEL 49', 1' OD)
1,469,000 CY $_________ $_________
3 COMPLIANCE WITH
ENDANGERED SPECIES ACT
AND MARINE MAMMALS
PROTECTION ACT
(CHARLESTON ENTRANCE
CHANNEL)
1 JB $_________ $_________
4 NON-CAPTURE TRAWL
SWEEPING (12 HOUR DAYS)
(CHARLESTON ENTRANCE
CHANNEL)
10 DAY $_________ $_________
TOTAL (COMBINATION OF BASE BID
ITEMS 0001-004)
1,469,000 CY $_________
OPTIONS
5 DREDGING OF UNCLASSIFIED
ENTRANCE CHANNEL SHOALS
5-8 (CHANNEL WINGS 44', 1' OD)
711,000 CY $_________ $_________
6 DREDGING OF AN ADDITIONAL
1' OVERDEPTH FOR SHOALS 5-8
448,000 CY $_________ $_________
7 DREDGING OF UNCLASSIFIED
MATERIAL IN CHARLESTON
ENTRANCE CHANNEL SHOAL 1
(MAIN CHANNEL 49', WINGS 44',
1' OD)
38,000 CY $_________ $_________
8 DREDGING OF UNCLASSIFIED
MATERIAL IN CHARLESTON
ENTRANCE CHANNEL SHOAL 2
(MAIN CHANNEL 49', WINGS 44',
1' OD)
11,000 CY $_________ $_________
9 DREDGING OF UNCLASSIFIED
ENTRANCE CHANNEL SHOAL 3
(MAIN CHANNEL 49', WINGS 44',
1' OD)
47,000 CY $_________ $_________
10 DREDGING OF UNCLASSIFIED
ENTRANCE CHANNEL SHOAL 4
(MAIN CHANNEL 49', WINGS 44',
1' OD)
31,000 CY $_________ $_________
TOTAL (COMBINATION OF OPTIONAL
BID ITEMS 0005-0010)
1,286,000 CY $_________
TOTAL (COMBINATION OF BASE AND
OPTIONS)
2,755,000 CY
3. Revise SECTION 35 20 23 Section 1.4.1 Estimated Quantities and the Attachment L Consolidated Dredge Report Advertised Quantities to the following:
Base Bid
SHOAL
NUMBER LOCATION
REQUIRED
DREDGING
PRISM C.Y.
PL. MEAS.
ALLOWABLE
OVERDEPTH
PRISM C.Y.
PL. MEAS.
TOTAL
C.Y. PL.
MEAS.
STA. 585+00 TO
650+00 167,000 91,000 258,000
STA. 650+00 TO
700+00 462,000 162,000 624,000
STA. 700+00 TO
770+00 389,000 180,000 569,000
STA. 860+00 TO
896+00 10,000 8,000 18,000
TOTAL 1,028,000 441,000 1,469,000
Option 5
REQUIRED
DREDGING
PRISM C.Y.
PL. MEAS.
ALLOWABLE
OVERDEPTH
PRISM C.Y.
PL. MEAS.
TOTAL
C.Y. PL.
MEAS.
STA. 585+00 TO
650+00 75,000 36,000 111,000
STA. 650+00 TO
700+00 167,000 39,000 206,000
STA. 700+00 TO
770+00 105,000 36,000 141,000
STA. 860+00 TO
896+00 209,000 44,000 253,000
TOTAL 556,000 155,000 711,000
Option 6
NUMBER
TOTAL
C.Y. PL.
MEAS.
5-8
DREDGING OF AN ADDITIONAL 1'
OD FOR SHOALS 5-8 (CY) 448,000
Option 7
REQUIRED
DREDGING
PRISM C.Y.
PL. MEAS.
ALLOWABLE
OVERDEPTH
PRISM C.Y.
PL. MEAS.
TOTAL
C.Y. PL.
MEAS.
1 STA. 355+00 TO
402+50 28,000 10,000 38,000
Option 8
REQUIRED
DREDGING
PRISM C.Y.
PL. MEAS.
ALLOWABLE
OVERDEPTH
PRISM C.Y.
PL. MEAS.
TOTAL
C.Y. PL.
MEAS.
2 STA. 427+50 TO
452+00 7,000 4,000 11,000
Option 9
REQUIRED
DREDGING
PRISM C.Y.
PL. MEAS.
ALLOWABLE
OVERDEPTH
PRISM C.Y.
PL. MEAS.
TOTAL
C.Y. PL.
MEAS.
3 STA. 469+75 TO
520+00 32,000 15,000 47,000
Option 10
REQUIRED
DREDGING
PRISM C.Y.
PL. MEAS.
ALLOWABLE
OVERDEPTH
PRISM C.Y.
PL. MEAS.
TOTAL
C.Y. PL.
MEAS.
4 STA. 520+00 TO
560+00 22,000 9,000 31,000
4. Revise the contract drawings (see attached drawings) to include the updated survey data dated 16 August 2013 for the ODMDS and include the xyz data file.
5. Revise the contract drawings (see attached drawings) to include the updated survey data dated 16 August 2013 for the Charleston Harbor Entrance Channel and include the xyz data file.
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