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W9123623B5021: Lynnhaven River Basin Phase II Reef

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The purpose of this acquisition is to construct the Lynnhaven River Basin Phase II Reef. The reef will be constructed with a targeted height of 12 inches off the river bottom, with the alternative base substrate layer (Size 2 crushed stone) being approximately 6 inches thick and the top fossil oyster shell layer being approximately 6 inches thick. For the fossil shell layer, the Project requires transporting the shell from an existing pile on Craney Island prior to placement within the project boundaries. The shell must also be sorted, clean from debris and fine sediments. All reef substrates will be placed by mechanical clamshell from a barge and recorded by GPS system to ensure proper placement. As-built surveys will be required between substrate layer placement to ensure targeted height is being reached. Reef substrate will be installed per the plan drawings and specifications on the project site in water depths ranging from approximately 7.0’ MLLW to 8.3’ MLLW. The construction period of performance will be approximately 720 days from issuance of the NTP.

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KO CONTRACTING OFFICE 803 FRONT STREET NORFOLK  VA  23510-1096 NORFOLK VA 23510-1096 USA

A Material Safety Data Sheet (MSDS) must be attached to offer submissions in accordance with FAR Clause 52.223-3.

Attachments

Name	File/URL	Date	Document Type	Include in Response
23B5021_LYNNHAVEN_REEF_PHII_Amendment_0002_20231018	23B5021_LYNNHAVEN_REEF_PHII_Amendment_0002_20231018.pdf	2023-10-18	Attachment	No
1060_REEF_PHASE_2_PLANS_RTA	1060_REEF_PHASE_2_PLANS_RTA.pdf	2023-10-18	Attachment	No
1060_REEF_PHASE_2_SPECS_RTA_BID_INQUIRY	1060_REEF_PHASE_2_SPECS_RTA_BID_INQUIRY.pdf	2023-10-18	Attachment	No

Update / Notice

Update / Notice ID	Description	Posted Date	Response Date
0001	The purpose of this acquisition is to construct the Lynnhaven River Basin Phase II Reef. The reef will be constructed with a targeted height of 12 inches off the river bottom, with the alternative base substrate layer (Size 2 crushed stone) being app	2023/10/03 17:23 UTC	2023-10-26 14:00 Eastern Standard Time
W9123623B5021	The purpose of this acquisition is to construct the Lynnhaven River Basin Phase II Reef. The reef will be constructed with a targeted height of 12 inches off the river bottom, with the alternative base substrate layer (Size 2 crushed stone) being app	2023/09/25 15:20 UTC	2023-10-26 14:00 Eastern Standard Time