File: WAI-985-000-REP-LC-0050-Rev0.docx This report shall only be read in its entirety. Table 1: Settlement trigger levels Settlement Zone Range of Surface Movement (mm) Measured Dec. 1989 to May 1997 Measured Average Surface Settlement (mm) due to Mine Dewatering Dec. 1989 to May 1997 Predicted Range in Surface Settlement (mm) due to the Extended Mining Operations Predicted Average Surface Settlement (mm) at cessation of the Extended Mining Operations Trigger Levels for Settlement (including dewatering for Trio Development) (mm) Maximum Total Settlement, incl Correnso Dewatering (mm) Trigger Levels Project Martha/Waihi North Project 1 +2 to -10 0 0 to 10 0 25 35 55 2 +10 to -10 0 0 to 20 10 35 45 65 3 0 to -25 10 0 to 40 20 60 70 95 4 -15 to -35 25 30 to 80 45 110 125 160 5 -25 to -50 50 70 to 130 85 175 195 260 6 -55 to -85 65 100 to 180 120 220 240 340 7 -95 to -125 110 180 to 260 200 350 400 540
RkJQdWJsaXNoZXIy MjE2NDg3