National Park Service, Denver Service Center, P.O. Box 25287, DSC-CS, Denver, CO 80225-0287

Z -- MODIFICATIONS TO RYNEARSON DAM NO. 2, NECEDAH NATIONAL = WILDLIFE REFUGE, JUNEAU COUNTY, WISCONSIN SOL 1448RP9869099C001 POC Pat Serra, 303/987-6745 WEB: Contracting Services Group, http://www.nps.gov/dsc/dsccon. E-MAIL: National Park Service, Denver Service Center, Pat_Serra@nps.gov. Description of Work: On behalf of the United States Fish and Wildlife Service, the National Park Service, Denver Service Center, is soliciting proposals from construction firms having the capability to perform the work described below. A negotiated firm-fixed price = contract will be awarded requiring submission of both a technical and price proposal. The Government will consider an offeror's capability in comparison to its price and will make a best value award. The work of = the contract consists of demolishing and removing the existing service = spillway structure, emergency spillway structure, and diversion structure near = the right abutment of the dam. Approximately 1,340 feet of the existing dam embankment will be removed and replaced. Materials removed from the existing embankment shall be replaced and compacted in the embankment. Work includes constructing a replacement service spillway structure at = the location of the existing service spillway. The replacement service = spillway structure shall include reinforced concrete walls and slab, upstream = and downstream stoplogs, fish screens, and miscellaneous metalwork. The contract also includes constructing filter/drain sand, crushed stone, = and riprap channel protection in the service spillway channel downstream = from the new service spillway. A new emergency spillway must be constructed = at the location of the existing emergency spillway. The new emergency = spillway structure shall include upstream and downstream reinforced concrete = control sills, and erosion protection consisting of riprap and bedding, = cellular concrete mats, and turf-reinforcing mats. A new reinforced concrete diversion structure near the right abutment of the dam must be = constructed. An aggregate road surface along the entire dam crest must be contructed = and the dam crest must be regraded to Elevation 929.5. Provision must be = made for temporary diversion channels, upstream and downstream cofferdams = for reservoir control, and diversion during construction of the service spillway, emergency spillway, diversion structure, and embankment modifications. Electrical service must be provided to the new service spillway. Disturbed areas, including borrow areas, if needed, must be reclaimed. Other items of work incidental to the main work items = outlined above, must be completed, including clearing and grubbing, stripping = and stockpiling topsoil, general excavation, and dewatering. A preproposal conference and site visit will be scheduled. The location for this conference will be at the Necedah National Wildlife Refuge Headquarters Building, Necedah, Wisconsin. The estimated price range is between $1,000,000 to $5,000,000. Time for completion is estimated to be 360 calendar days. This solicitation is open to large and small businesses. = All responsible sources may submit an offer. Because this acquisition could result in an award over $1,000,000, a subcontracting plan will be = required from the selected firm, if the firm is a large business concern. The Request for Proposals (RFP) will be issued on or about July 11, 2000. Proposal receipt date is approximate; actual date will be established = at the time documents are available. Requests for the RFP must be in = writing, they may be mailed to the National Park Service, Denver Service Center, Contracting Services, Attn: Pat Serra, 12795 West Alameda Parkway, = Denver, Colorado 80225 or sent via FAX to at 303 987-6645. Posted 06/21/00 (D-SN467202). (0173)

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