PERMFILE135333 - Laserfiche WebLink

Home Browse Search

TABLE 26 GOLDEN EAGLE SUBSIDENCE MONITORING TABLE 26-A NW3 WEST END SUBSIDENCE LINE Horiz. Displacement Vertical Displacement Station Longwall Panel Date of LW Minin Maximum Last 12 Monlhs Maximum Last 12 Months COMMENTS W-1 NW-3 Jun-95 3.34 0.02 2.15 0.10 Continue Surveying W-2 NW-3 Jun-95 2.70 0.06 1.40 0.10 Continue Surveying W-3 NW-3 Jun-95 1.78 0.10 0.66 0.07 Continue Surveying W-4 NW-3 Bleeder Apr-95 1.67 0.08 0.48 0.05 Continue Surveying W-5 NW-3 Bleeder Apr-95 1.18 0.09 0.31 0.06 Continue Surveying W-6 NW-3 Bleeder Apr-95 1.13 0.11 0.23 0.06 Continue Surveying W-7 NW-3 Bleeder Apr-95 1.15 0.13 0.34 0.19 Continue Surveying W-8 NW-3 Bleeder Apr-95 1.18 0.09 0.15 -0.15 Continue Surveying W-9 NW-3 Bleeder Apr-95 1.15 0.28 0.05 0.00 Continue Surveying W-10 NW-3 Bleeder Apr-95 0.94 0.04 0.10 0.14 Continue Surveying W-11 No Mining +50 ft. 0.75 0.04 -0.05 -0.01 Stop Surveying -Mining Did Nol Occur W-12 No Mining +100 ft. 0.76 0.06 -0.11 -0.01 Stop Surveying -Mining Did Not Occur W-13 No Mining +150 ft. 0.57 0.06 0.09 -0.08 Stop Surveying -Mining Did Not Occur W-14 No Mining +200 ft. 0.67 0.12 -0.07 0.06 Stop Surveying -Mining Did Not Occur W-15 No Mining +250 ft. 0.63 0.07 -0.06 0.05 Stop Surveying -Mining Did Not Occur W-16 No Mining +300 ft 0.55 0.07 -0.06 0.06 Stop Surveying -Mining Did Not Occur W-17 No Mining +350 ft 0.55 0.03 0.06 -0.06 Stop Surveying -Mining Did Not Occur W-18 No Mining +400 ft. 0.55 0.06 0.00 0.00 Stop Surveying -Mining Did Not Occur Notes: Subsidence control line W-1 to W-18 lies parallel to the centerline of NW-3 longwall panel., Points W-1 to W4 lie over actual longwall mining. Points W-4 to W-10 lie over Bleeder Entries (entries developed for ventilation) and are progressively located further from the longwall panel. Points W-10 to W-18 were not undermined and are progressively located more distant from mining. Exhibit 24 1 919197