U.S. Department of The Interior, Office of Surface Mining Reclamation and Enforcement, Three Parkway Center, Pittsburgh, PA 15220

Z -- RECLAMATION OF THREE ENTRIES TO ABANDONED UNDERGROUND MINE WORKINGS LOCATED IN THE BLACK DIAMOND REGIONAL PARK, NEAR ANTIOCH, CONTRA COSTA COUNTY, CA. SOL 143868IFB9912078 POC Brian J. Luzik, 412-937-2837 E-MAIL: Eureka Slope Reclamation, bluzik@osmre.gov. Work includes: 1) Construction of approximately 12-foot by 30-foot in area concrete and steel portal structure, earthwork, and related incidental construction for safe closure of an inclined entry, which will enable Park visitors to safely view the underground workings: 2) Construction of a concrete and steel collar and ventilation hood for a nominal 4-foot diameter vertical shaft; and 3) Backfilling approximately 125 lineal feet of a near-horizontal tunnel. Estimated price range is $125,000 to $200,000. Attendance at the August 19, 1999, pre-bid meeting is mandatory. The pre-bid meeting will be held at the Black Diamond Regional Preserve Park Office at the end of Somersville Road, Antioch, California. Hard hats, flashlights & sturdy hiking shoes are required. All requests for the bid package must be in writting. Verbal requests will not be honored. Posted 07/19/99 (W-SN355903). (0200)

Loren Data Corp. http://www.ld.com (SYN# 0175 19990721\Z-0037.SOL)