Subsurface Investigation Atlantic Intracoastal Waterway Disposal Area 60
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Description
SOURCES SOUGHT NOTICE FOR SUBSURFACE INVESTIGATION ATLANTIC INTRACOASTAL WATERWAY DISPOSAL AREA 60, ONSLOW COUNTY, NORTH CAROLINA This is a Sources Sought/Request for Information only. This is NOT a Solicitation Announcement, nor is it a Request for Proposal. This request does not obligate the Government in any contract award. The U.S. Army Corps of Engineers, Wilmington District, is conducting research to determine the market capabilities of potential contractors to perform a subsurface investigation for the purpose of collecting soil and strength parameters for the existing dike and foundation soils to complete slope stability analysis for the existing dike foundation soils. Disposal Area (DA) 60 is approximately 20 acres in size and located one and a quarter mile southeast of the NCWRC Cedar Point Boat Ramp, located in Cedar Point, North Carolina. Description of Services. The Contractor shall mobilize all necessary personnel, equipment, and materials to DA 60, to conduct a comprehensive geotechnical investigation. Methods of investigation should accurately locate changes in the soil strata. Equipment shall be able to traverse the site in wet, soft, or dry conditions. The following subsurface exploration and laboratory testing services will be required. Cone Penetration Test Sounding A total of eleven (11) CPT soundings shall be completed to a depth of 50 feet or refusal that occurs greater that 20 feet in depth, both within the crest of the existing dike structure, the interior of the existing dike structure, and waterside toe of the DA to assess soil stratigraphy and engineering properties. All work shall be completed in accordance with applicable safety, environmental, and regulatory requirements, and coordinated with USACE representatives throughout the duration of the investigation. The Contractor shall be fully responsible for the transportation of all personnel, equipment, and materials to and from DA 60 for the duration of the geotechnical investigation. D…