12.b Amendment 0001 for IFB 70Z0G121BPRV14200.pdf
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- Solicitation number
- 70Z0G121BPRV14200
About this file
This document provides details for a federal solicitation seeking dredging services. The U.S. Coast Guard is soliciting bids to dredge approximately 8,700 cubic yards of material from the boat basin at the Coast Guard Sector Field Office in Moriches, New York. Dredging must be completed between October 1st and December 31st using hydraulic or mechanical means, and material must be placed in the existing on-site bermed disposal area. Bidders must provide all associated labor, equipment, transportation and disposal of dredged materials. The total estimated value is between $500,000 and $1,000,000. Bids are due by August 31st and award is anticipated in mid-to-late September. The performance period is approximately 110 days from notice to proceed. The solicitation is reserved for small businesses with annual revenues under $30 million.
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Text version
Continuation Sheet Page 2
IFB 70Z0G121BPRV14200
Amendment 0001
08/24/2021
DREDGE BOAT BASIN AT USCG SECTOR FIELD OFFICE MORICHES,
EAST MORICHES, NEW YORK (SUFFOLK COUNTY), PSN 11061645
RESPONSES TO RFI QUESTIONS:
Question 1 (Q1): Is there an existing overflow weir structure? If so, can pictures be provided?
Response 1 (R1): The Contractor will be responsible for constructing the temporary overflow weir box and temporary return flow pipe. There is not an existing overflow weir structure.
Q2: What is the top of the berm elevation along the levee?
R2: The top of berm elevation is unknown.
Q3: What is the capacity of the placement area in terms of CY it can receive?
R3: The capacity of the placement area is unknown but is in excess of the anticipated dredge quantity.
Q4: Does the 8,700’ CY include any overdredge, if so how many feet?
R4: Two feet of overdredge are included in this quantity. Refer to Table 1 on Drawing C-101.
Q5: Are any borings available?
R5: Soil borings are not available.
Q6: What is the nature of the sediment (sand, silt, etc.)?
R6: The dredge material is anticipated to be silt and sand.
Q7: The straw haybales are unnecessary if utilizing a overflow weir structure when using hydraulic dredging methods. Can the hay bales inside the placement area be removed as a requirement?
R7: An existing overflow weir structure is not present within the berm. The Contractor will be responsible for constructing the temporary straw bale weir box and return flow pipe as shown on Drawing C-102 and operating it in accordance with the permits.
Continuation Sheet Page 3
Q8: The construction entrance is not needed for hydraulic dredging. Can this be eliminated from the requirements?
R8: Although the construction entrance may be eliminated for hydraulic dredging, but it is anticipated to be necessary in order to allow for equipment access associated with vegetation clearing and for construction of the temporary overflow weir box and return flow pipe.
Q9: Can more detail be provided on where and the length of the turbidity curtain must be while dredging? The dredge will move daily so not sure where this is being specified to be.
R9: The turbidity curtain shall meet the requirements specified in the permits.
Q10: Can we work 12 hours per day 7 days per week?
R10: The regular working hours is listed in Section 1.2.2 of the Specifications. Considering dredging work is highly depending on the tides and weather, working outside of regular schedule should not be an issue.
- End of Responses to RFI Questions –
ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED
| 2021-08-24T14:36:11-0400 | |
| LEUNG.SIMON.W.1242822982 |
File details come from the government source that posted it. Updated .