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• <br />n <br />i• <br />Walker to File <br />December 28, 2000 <br />Page 2 of 4 Pages <br />Pond 15` Quarter 2" Quarter` 3` Quarter 4` Quarter <br />East Taylor 2-22-99 5-17-99 9-21-99 _ 12-3-99 <br />~ This report was reviewed by a registered engineer on 4-13-99 <br />Z This report was reviewed by a registered engineer on 7-8-99 <br />s This report was reviewed by a registered engineer on 10-13-99 <br />° This report was reviewed by a registered engineer on 12-12-99 <br />5 The applicant is asked (Division review letter) to validate the inspection date of 1-19-98 date <br />entered for the Gulch A pond . <br />Rule 4.05.9(13): Inspections. All impoundments shall be examined to assure appropriate <br />maintenance of the structure and for structural weakness, erosion and other hazardous conditions <br />by a qualified registered professional engineer or a qualified individual under their direction. The <br />professional engineer or individual shall be experienced in the construction of impoundments. The <br />inspections shall be made regufur[y during construction, upon completion of construction and, at <br />a minimum, quarterly thereafter, with the report retained at or near the mine site. A copy of the <br />report shall be submitted to the Division on an annual basis by a registered professional engineer. <br />The report is in compliance with this rule. Sediment pond impoundments aze reviewed in the <br />foregoing pazagraph. Other impoundment quarterly inspection reports (reports) are maintained at <br />the mine site (see Division inspection reports). The quarterly inspection reports aze reviewed in <br />this findings as such reports are submitted to the Division annually in the Annual Hydrology <br />Report (AHR). These other impoundments were inspected quarterly for structural weakness, <br />erosion, and other hazazdous conditions, and were reviewed by a registered professional engineer <br />on the dates indicated (Tanks aze livestock water tanks) in the following table. Stock Tanks K, L <br />and M were constructed during 1999. One-time construction completion reports were submitted <br />by Colowyo letter of December 6, 1999 (Minor Revision 51) and are not included in the AHR. <br />Itn oundment 151 Quarter 2" Quarter 3` Quarter 4` Quarter <br />Wash Ba 1-14-99 5-17-99` 9-10-99 11-17-99 <br />Taylor Pump <br />Holdin 1-19-99 5-17-99` 9-21-99 12-6-99° <br />Tank A 3-18-99 6-11-99 9-13-99 10-18-99 <br />Tank B 3-18-99 6-11-99 9-13-99 10-18-99 <br />Tank C 3-18-99 6-11-99 9-13-99 10-18-99 <br />Tank D 3-18-99 6-11-99 9-13-99 10-18-99 <br />Tank E 3-18-99 ' 6-11-99' 10-18-99 ' <br />Tank F 3-18-99 6-11-99 9-13-99 10-18-99 <br />Tank G 3-2-99 6-11-99 9-14-99 10-18-99 <br />Tank H 3-2-99 6-11-99 9-14-99 10-18-99 <br />~ Tank 1 3-2-99 6-11-99 9-14-99 10-18-99 <br />