DA, Vicksburg District, CE, 2101 N Frontage Rd, Vicksburg, Mississippi 39180-5191

Y -- REHABILITATION OF EXISTING CORRUGATED METAL CULVERTS SOL DACW38-95-B-0039. DUE 041995. POC Contract Specialist, Glen E. Smith, (601)631-5350. The Vicksburg District proposes to procure by two-step sealed bidding the furnishing of all plant, labor, materials and equipment for the rehabilitation of existing corrugated metal culverts. Culvert sizes may vary from 18'' to 72'', and are primarily located within levee systems of the Vicksburg District. Construction of these projects are to be completed over several years and are dependent upon the continued availability of funds. Step one involves furnishing a technical proposal without price. Multiple technical proposals may be submitted for consideration, prior to the closing date. Firms submitting acceptable technical proposals will be requested, in writing, to submit sealed priced bids in step two of this procurement. For the purposes of this procurement, the specific project to be bid in step two consists of the rehabilitation of a 60-inch corrugated metal culvert located at North Bank Arkansas River Levee, Station 993+90, in Jefferson County, Arkansas. Technical Proposal Requirements: The proposal shall include the following requirements: Detailed description of the method or process of rehabilitation; limitations or restrictions including culvert size, type, length, strength, internal and external loadings and installation; design data; catalog literature; detailed technical specifications describing the materials and installation; and demonstrated compliance with local, state, and Federal environmental laws. In addition, the technical proposal shall comply with the following Specifications: (1) Replacement of the existing culvert with a new culvert will not be permitted; (2) No reduction in flow capacity; (3) Materials shall be chemically inert which will not be affected by the flow of water therein, nor will react with iron algae in the water in a negative manner; (4) Product shall be able to be installed to accommodate bends or angles; (5) Finished product must be flush with the outside face of the concrete structures; (6) No annular space will be permitted between the existing culvert and the method of rehabilitation; (7) Joints if any will be water tight; (8) Minimum design life of 50 years, and provide sufficient data for verification; and (9) Process must have structural capability to support various loads due to hydrostatic and earth overburden pressures neglecting any support from the existing culvert. Sufficient data shall be submitted to be able to evaluate the proposal based on the following criteria which are of equal importance: (1) Minimal disruption of levee traffic; (2) Ability to minimize negative environmental impact; (3) Ability to minimize shrinkage; (4) Ability to minimize the affects due to the exposure to sunlight; (5) Ability to deliver product in a timely manner; (6) Past performance references; and (7) Installation process. This is not a request for a technical proposal. Firms desiring to provide technical proposals shall notify in writing, Mr. Glen E. Smith no later than 19 April 1995. Interested firms will be notified in writing of the due date for submitting a technical proposal and other solicitation requirements for Step 1 of this procurement. (094)

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