RFI RedwoodCityDrdg 30 July 2024.xlsx

XLSX spreadsheet 11 KB Posted Jul 30, 2024

Attached to: REDWOOD CITY MAINTENANCE DREDGING FY 24
Solicitation number: W912P724B0008
Issued by: Department of the Army Corps of Engineers Engineering District San Francisco

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Written by GovTribe AI · Jul 30, 2024

This document is a Request for Information (RFI) related to a federal contract opportunity for the Redwood City Dredging project. The RFI provides clarification on several questions regarding the disposal of dredged material, including suitability for placement at various sites such as the San Francisco Deep Ocean Disposal Site, Montezuma Wetlands Restoration Project, and Cullinan Ranch Restoration Project. The RFI also requests the full sounding density multibeam survey data and asks if the Government will consider extending the contract duration. The related federal contract opportunity is for the REDWOOD CITY MAINTENANCE DREDGING FY 24 project, which is a full and open competition Invitation for Bid (IFB) with an estimated cost range between $5,000,000 - $10,000,000. The work includes annual maintenance dredging of the Redwood City channel to -30-ft (MLLW) plus 1-ft of paid over-depth and transporting of the dredged material to various upland disposal sites.

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Other files

File	Type	Posted
SPN REDWOOD CITY Bid Abstract- OF 1419-signed.pdf	PDF	Aug 7, 2024
W912P724B0008 002.pdf	PDF	Jul 30, 2024
RWC RFIs.pdf	PDF	Jul 23, 2024
W912P724B0008 - 001.pdf	PDF	Jul 19, 2024
W912P724B0008_REDWOOD_CITY_O_M_FY24_SPECS.pdf	PDF	Jul 1, 2024
W912P724B0008_REDWOOD CITY_O-M_FY24_PLANS.pdf	PDF	Jul 1, 2024
Davis-Bacon Act-WD-CA20240018.pdf	PDF	Jul 1, 2024

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Sheet1

REDWOOD CITY DREDGING RFI
Q.	Section 00 21 00 1.1 GENERAL references transporting of dredged material to SF-11 but SF-11 is not listed as an option in Section 00 10 00 Pricing Schedule. Please clarify.
A.	See amendment 2 changes to Section 00 21 00.
Q	The DMMO memo references the following:

All sediment proposed for dredging from the Redwood City Harbor Channel is suitable for disposal at the San Francisco Deep Ocean Disposal Site (SF-DODS). Sediment proposed for dredging from Sample Area 1 and 2 is suitable for placement at Montezuma Wetlands Restoration Project (MWRP) as cover material. Sediment proposed for dredging from Sample Areas 3 through 9 is suitable for placement at Montezuma Wetlands Restoration Project (MWRP) as foundation material. Sediment proposed for dredging from Sample Areas 1-5 is suitable for placement at Cullinan Ranch Restoration Project and for disposal at an in-Bay disposal site, such as SF-11 or SF-10.

Q(1)	Can the contractor have the sample analysis along with the plot of the sample areas?
A	See amendment 2 Sheet G-002 note 9 and "USACE FY24 Maintenance Dredging; Redwood City Harbor; Tier 1 Request; DMMO Serial Number: 24-023" in original solicitation pages 1155 and 1156.
Q(2)	The memo does not specify where the contaminated material is found. Which reach or reaches contain foundation material? What is the quantity of that reach or reaches considered foundation material?
A	See amendment 2 Sheet G-002 note 9, amendment 1 pricing schedule revisions, and "USACE FY24 Maintenance Dredging; Redwood City Harbor; Tier 1 Request; DMMO Serial Number: 24-023" in original solicitation pages 1155 and 1156.
Q(3)	For sample areas 3-5, how can Montezumauma Wetlands Restoration Project be permitted to take that material as foundation where Cullinan Ranch can take that material as cover?
A	See amendment 2 Sheet G-002 note 9, amendment 1 pricing schedule revisions, and "USACE FY24 Maintenance Dredging; Redwood City Harbor; Tier 1 Request; DMMO Serial Number: 24-023" in original solicitation pages 1155 and 1156.
Q	Can USACE please provide the full sounding density multibeam survey data in an XYZ point file for the survey conducted on June 17th, 2024 in Redwood City? The posted survey data is lower resolution as it is sorted and only on 100 ft line spacing.
A	See amendment 1 which includes the condition survey from 17 June 2024.
Q	Question: Disposal of all dredge material can occur at a Contractor furnished beneficial reuse site.
A	See amendment 1 pricing schedule revisions.
Q	Will the Government consider extending the contract duration by approximately 31 days or until December 31, 2024, to allow Contractor’s greater flexibility in meeting the schedule requirements?
A	No, the period of performance is appropriate for the quantities for dredging and the Environmental Window.
Q	Is reach 1 suitable for disposal as cover or foundation material if placed at Montezuma
A	See amendment 2 "USACE FY23 Maintenance Dredging; Redwood City Harbor; Test Results; DMMO Serial Number: 23-032" deletion.