(30,000 tons/month) are being belted up the hillside. However, no material is being belted to the embankment. There is sufficient material stock piled nearby to raise the embankment when required. 20. Is pool as high as it has ever been or has it been higher; if higher, how high.- the pool is as high as it has been. Comment The water level fluctuates about 18" per week. During the weekend, it drops to its lowest point. A gage was installed after the flood or 26 February 1972. 21. What type material is foundation Colluvial mantle) 18". clay and rock (thin 22. Who does the Operator consider the regulatory authority to consult when the Operator wants to change a dam or pile, or build another Department of Natural Resources Water Division 23. Are inspectors made by that authority - Yes, inspect for violations of water pollution permit. Monthly inspections, 24. Does the Owner consider their structure a refuse pile or a dam, or does he consider it something else Refuse pile b. What was its initial purpose - Cleaning plant refuse disposal. 25. Owners are expected to inspect their dams once a week look at owner's inspection book and see what has been noted (go back a couple of years) - The plant superintendent inspects daily as part of his concern for the water supply requirements of the plant. Recently they have started an inspection book which is signed by the superintendent. The refuse pile is also inspected by the dozer and maintenance personnel. 78-620 - 72-13 26. Have they had problems with their structures (refuse pile, dan, deposit) in the past; if so, what remedial measures did they take No problems or leakage; the fire is their only problem. 28. Has the Owner ever requested any assistance prior to or after inspection, and if so, did he get this assistance - No. The Department has informally requested that the top of the embankment be raised 3-4 feet. 29. Obtain a statement from the Owner (from what he has calculated or deduced) as to the volume of water discharged into the pool from the processing plant on a daily basis 2,000 GPM approx. 10-12 hours/day carrying 15% solids. b. Determine (by some means) discharge from seepage downstream of They estimate they are recovering all of the seepage. In 4-5 days all water seeps out of the upper impoundment. 30. Obtain number of days plant operates in a year 31. 32. Determine depth of deposit in pool must calculate from aerial photo. Ask operator what drainage area contributes to the pool they calculated for me 46 AC. b. Have any hydrology studies been performed by the Company 33. Has the Company developed any emergency plans to assuage_any_contingent problems they should occur They are in the process of hiring an A/E (R. Kimbell) to investigate the stability and flood potential of their structures. Talked to Chuck Alexander, 4/17/72, R. Kimbell Associates. 34. Has the Company studied any alternative means of keeping the streams 35. Has communications and/or illumination been installed at the deposit site Paging phones are installed at all belt heads on the conveyor system, 6 stations. b. If Communications exist, to where and to whom are they linked They are connected to the processing plant. 36. Have any sealents been used in construction of the deposit to make 37. Who is in charge of construction of dam and what are his qualifica tions J. Robert Rowe, Plant Superintendent, experience over all responsibility, company engineers. 38. Who is the inspector of this dam and what are his qualifications 39. If the dam suffers an accident, what is their (company) appraisal if damage or loss of life occurs Damage to plant from sliding refuse pile, blockage of RR. or creek (Buffalo Creek). 40. Low sulpher coal 0.7% 43. Little rise in the pool was noted during the heavy rains of 1963 or of 26 Feb 72. 44. Fill was placed on the breastworks as late as 28 Mar 72. 45. Pumping sludge with 8-inch pipe. 46. Cracks have been noted in the sediment after a prolonged shut-down. These cracks are reportedly the outlet points for the impounded water. 47. They do not plan to raise the embankment above the Chilton seam elev. 49. They feel that burned out red dog pile is more stable than an unburned refuse pile. 50. The company refers to the impoundments as follows: No. 1 on top of the hill No. 2 or middle pond No. 3 fresh water just above plant spread with dozer and impervious clay cap built on refuse and compacted with dozer. 5. When was pile started? 1917-1920 old original pile started; 1949 new pile started up slope of old pile. (See attached plan) dumped. Currently they are incrcasing height of embankment with a clay and stone combination. 10. Rough percent volume which may be red dog as result of fire. 90-95% red dog. |