DOE/WSSRAP, 7295 Highway 94 South, St. Charles, Missouri 63304-2204

Y -- CONSTRUCTION OF STRUCTURES AND FACILITIES, AND REMOVAL OF CHEMICALLY AND RADIOLOGICALLY CONTAMINATED SOIL SOL Work Package No. WP253. Contact Tim Gelnett, Subcontract Administrator, (314) 441-8086, extension 3705. Construction including primary earth work of the Construction Material Staging Area for the remedial actions at the Weldon Spring Site Remedial Action Project near St. Charles, Missouri. Facility Description: The Construction Materials Staging Area (CMSA) will be constructed to stage clean fill materials from borrow area excavations, clean fill materials from site excavations, sand, gravel, riprap, synthetic lining materials, piping, and prefabricated drainage structures. The CMSA site includes surface and subsurface chemically and radiologically contaminated soils and surface and buried debris. Existing abandoned underground water and other utilities may be present. All of the contaminated soils, debris, and existing underground utility lines require removal as part of the construction of the CMSA. The construction of the CMSA includes, but is not limited to, the following general work activities: 1. Construction surveying and staking. 2. Removal of existing site perimeter fence and gates, and installation of new fence and gates. 3. Removal and disposal of existing air monitoring equipment and installation of new air monitoring equipment. 4. Site clearing and grubbing including removal of surface debris and asphalt roadway. 5. Placement of temporary surface water and erosion control measures. 6. Removal, hauling, and placement of contaminated soils, debris, and underground utilities in on-site designated storage areas. 7. Removal and stockpiling of clean topsoil. 8. Excavation, backfill, and compaction of earthwork designated grades and elevations. 9. Construction of new sediment detention sumps to catch and detain CMSA surface runoff including furnishing and installing all components required. 10. Furnishing and installing all other drainage facilities. 11. Providing and installing all required road surfacing materials. 12. Furnishing and installing barrier cables, signs, and other incidental items as shown on the Subcontract drawings and described in these specifications. 13. Seeding and mulching all designated areas. Contractor will execute the Radiological and Chemical Confirmation Plan after removal of contaminated soil and debris to verify that contaminants exceeding clean-up criteria levels have been removed. Qualified firms may request an Invitation to Bid (IFB) package by writing to the aforementioned address; Attention: Tim Gelnett, Subcontract Administrator. This procurement is set-aside for small businesses. The period of performance is projected for 7 - 10 months. The magnitude of the project ranges from 1.7 million to 2.3 million. The target date of the IFB is February 20, 1995. (052)

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