U.S. Army Corps of Engineers, Portland District, P.O. Box 2946, Portland, OR 97208-2946

Y -- ASTORIA EAST BOAT BASIN BREAKWATER REPAIR -- PHASE II SOL DACW57-99-B-0018 DUE 100799 POC Sandra Hillebrandt, 503-808-4615 The U.S. Army Corps of Engineers, Portland District (CENWP) intends to award a contract for partial repair of the north breakwater, at approximately 200 lineal feet of 2350 foot breakwater, in the East Astoria Boat Basin, Astoria, Oregon. Options are included in the contract for repair of up to 1000 lineal feet of breakwater. The Astoria East Boat Basin is located along the southern shore of the Columbia River between river mile 15 and 16 and the East Boat Basin lies between 33rd and 39th streets in Astoria. The East Boat Basin contains a water area of about 45 acres. The existing structures protecting the basin include two rubble mound breakwaters at the west entrance (west breakwaters), one rubble mound breakwater at the east entrance (east breakwater) and a sand-filled, double-walled sheetpile structure which fronts the river as the north breakwater. This construction project entails repair of the breakwater, which consists of dredging approximately 8364 cubic yards at the base of the existing structure to remove the existing toe rock and overlying sediment. Options are included in the contract for dredging at the base of the existing structure to remove an additional 41207 cubic yards of existing toe rock and overlying sediment. The dredged toe rock will be placed temporarily on a barge or to one side of the structure. New government-furnished sheetpiles will be driven approximately 5 feet outside of the structure, completely surrounding the entire 200 lineal feet of breakwater. Sand/gravel fill will be placed between the new and old sheetpiles, new tie-rods spaced at 7 foot centers and walers will be installed at elevation 4.0' MLLW or above, and new toe rock will be replaced at the toe. The dredged toe rock will then be replaced up against the new toe rock. The dredged sediments will be disposed of in the flow lane. The tops of the existing sheetpiles will be cut off to allow for the eventual placement of a new road surface between the new sheetpiles. The new sheetpile will be terminated at elevation17.5'. The sheetpile is expected to consist of the market equivalent of PZ 40 sheets. This procurement is open to both large and small businesses, the size standard for which is a concern with annual gross receipts not in excess of 17 million dollars. The estimated cost range for the construction project is between $1,000,000. and $5,000,000.00. The Invitation for Bid will be available on CD ROM on or about 7 September 1999. Tentative bid opening will be 7 October 1999. For technical questions please contact Mark Sawka at 503/808-4943 or Jeff Sedey at 503/808-4937. Administrative matters relating to the contract can be addressed by calling Sandra Hillebrandt at 503/808-4615. Please fax your request for this solicitation to 503/808-4605, ATTN: Kathy Seitz, and be sure to include your company's name, address, business size, phone and fax numbers. SIC 1629 ***** Posted 07/30/99 (W-SN361564). (0211)

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