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Review Checklist for Subsidence Monitoring Report <br />Mine: Foidel Creek Date this review was completed: 1/16/02 <br />Permit No.: C-82-056 CDMG reviewer: Tom Kaldenbach <br />Report period: 2"d half 1999 <br />Panel(s) mined during report period: 4 Right and 5 Right <br />Monitoring requirement Regulation citation In compliance: <br />Yes / no ? Comment <br /> <br />Installed and surveyed <br />See comment on <br />monuments prior to 2.05.6(6)(c)(i)(A) Yes 2.05.6(6)(c)(i)(D), below. <br />underminin <br />Located monuments to Tota( surface strain is determined <br />detect vertical by locating monuments at <br />subsidence and 2.05.6(6)(c)(i)(B) Yes expected points of minimum <br />horizontal displacement. strain (over gateroads) and <br /> maximum strain (mid- anel). <br />Monitored each <br />structure's orientation, 2.05.6(6)(c)(i)(C) Yes <br />location, elevation <br />Monitored each <br />monument and structure 2.05.6(6)(c)(i)(D) Yes <br />at least uarterl <br /> Only the three powerlines (all in <br /> one corridor) and Middle Creek <br /> were undermined during the <br />Commenced monitoring reporting period. Station H62 <br />of each monument and was first surveyed 6/26/99, more <br />structure at least one 2.05.6(6)(c)(i)(D) Yes than six months before the <br />month prior to powerlines were undermined in <br />undermining 11/99. Middle Creek was <br /> surveyed in 1998, more than 6 <br /> months prior to undermining in <br /> 7/99. <br />Surveyed Hayden-Gore <br />Pass powerline on <br />schedule: daily when pp. 2.05-191.1 and <br />Yes <br />longwall face was 500 191.2 of permit <br />ft. before and 1500 fr. <br />after owerline. <br />Surveyed Wolcott Tap- <br />Wolcott (PSC) <br />powerline on schedule <br />depending on longwall <br />location: p. 2.05-191.2 of yes <br />a) advancing within permit <br />300 ft of line - <br />survey every two <br />days; <br />b) underneath line <br />