National Park Service, Administrative Program Center, 12795 W. Alameda Parkway, P.O. Box 25287, Denver, CO 80225

Z -- STABILIZE BUILDINGS AT DINOSAUR NP, CO SOL IFB 1270-97-011 DUE 070197 POC Jim Clark Contracting Officer 303 969-2755 The National Park Service, Dinosaur NP, Colorado, has a need to stabilize three structure, the Yampa district maintenance building, the park headquarters building, and the headquater's detached comfort station against differential settlement. All are founded on a collapsing soil. In addition, specific repairs and rehabilitation will be performed on the maintenance building under this contract. The maintenance building is a one story concrete masonry block structure that includes intermediate structural steel frames. The headquarter's buildings are one story frame structures with stone veneer exterior. During their thirty plus year lives, diiferential settlement has been a continuing detriment to these buildings. On-going repairs are necessary to fill and mend cracks, level floors, and environmentally seal. The structures shall be stabilized/underpinned by the process known as compaction grouting. This process consolidates foundation soils by injecting portland cement grout beneath the structures' foundations and displacing material surrounding the grout. The subject structures are located two miles east of the township of Dinosaur in north western Colorado. For further information contact the National Park Service contracting officer, Jim Clark, at 303 969-2755. For a copy of the solicitation fax a request on your letterhead to Maria Gutierrez at 303 969-2994. (0167)

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