| OCR Text |
Show Staker Paving and Construction Company, Inc. Continued site maintenance of roads and ditches around the Repository. • Discontinued the removal of contaminated soil from Slag Pile Soils and Lagoon Site. • To date, 18,352 cy have been transported to the Repository. • Completed concrete and soils removal at Acid Plant #8 and Gas Handling Footprint. A total of36,796 cy of contaminated soil was hauled to the Repository (9765 cy during this reporting period). Approximately 6020 cy of clean concrete was excavated and sent to the Smelter Concrete Mono-fill. • • • Completed construction of a material storage pad on the Acid Plant #8 and Gas Handling Footprint. Completed sub grade, concrete sumps, process water lines, and storm water collection system. Completed the demolition of the concrete from the SA Decon Pad CAMU and began excavating contaminated soils. Completed test trenching the east portion of the Smelter Material Handling "Patio" for ground water investigations. Laidlaw Environmental Services • 2. Accidents • 3. Five recordables to date. Lost Weather Days or Other Shut Downs • 4. Transported approximately 4,384 tons of flue dust and acid contaminated waste from Gas Handling, Acid Plant #8 and Hot Metals demolition, to their Grassy Mountain Facility for disposal. To date, 67 days have been affected due to inclimate weather. Construction Manower {Actual) Avg. Contractor Ontario Specialty Const. Atlas Steel Staker Paving & Const. HrslDa Harper Contracting North American (NAE) 5. Das/Wk 8 8 8 10 8 5 4 5 6 Men 15 2 7 40 1 5 Total Hours 3406 120 1740 4800 182 Engineering Activities Completed the removal of sediment and sludge from the WWTP West Clarifier, East Clarifier and mixing chamber. Continued working on demolition and dismantlement plans for the Hot Metals Building. Various debris and site characterization sampling and inspections continued. Completed "As-Built" engineering of Smelter Material Storage Pads. Since June 5, 1997, when we began placing sludge into the Repository, the secondary sumps have been pumped twelve times. Listed below are the amounts of leachate removed from each sump. • • • . • • LEACHATE REMOVED DATE SUMP #1 SUMP #2 SUMP #3 SUMP #4 SUMP #5 8/14/97 9116/97 10116/97 11/14/97 12115/97 1114/98 1128/98 2/26/98 o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. 694 gal. 212 gal. 322 gal. 73 gal. 30 gal. o gal. o gal. 71 gal. 1662 gal. 1720 gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. o gal. 42 gal. 30 gal. 96 gal. 200 gal. 2798 gal. o gal. |