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Set 1 Set 2 Set 3 Set 4 Set 5 <br />Very Low (6)<1m (<3.3 ft) <br />Low (4)1 - 3 m (3.3 - 9.9 ft)X <br />Medium (2)3 - 10 m (9.9 - 33 ft)X <br />High (1)10 - 20 m (33 - 66 ft) <br />Very High (0)>20 m ( >66 ft)X <br />Set 1 Set 2 Set 3 Set 4 Set 5 <br />Very Tight Joints (6)<0.1 mm (< 0.003 in) <br />Tight Joints (5)0.1 - 0.5 mm (0.003 - 0.02 in) <br />Moderately Open Joints (4)0.5 - 2.5 mm (0.02 - 0.1 in)X <br />Open Joints (1)2.5 - 10 mm (0.1 - 0.4 in)X X X <br />Very Wide Aperture (0)>10 mm (> 0.4 in)X X <br />Set 1 Set 2 Set 3 Set 4 Set 5 <br />Very Rough Surfaces (6)VR <br />Rough Surfaces (5)R X X <br />Slightly Rough Surfaces (3)SR X X X <br />Smooth Surfaces (1)SM X <br />Slickensided Surfaces (0)SL <br />Set 1 Set 2 Set 3 Set 4 Set 5 <br />Unweathered (6)UW <br />Slightly Weathered (5)SW X X X <br />Moderately Weathered (3)MW <br />Highly Weathered (1)HW <br />Completely Weathered (0)CW <br />Residual Soil (0)RS <br />RMR Classification:326- Poor to 59 - Fair <br />Additional Notes: <br />Groundwater conditions <br />Discontinuity filling, staining <br />Discontinuity Roughness <br />Notes: <br />Discontinuity Wall Face Weathering <br />Highwall trend 130° from Sta. 0+00 to 0+25, trend 185° from Sta. 0+25 to 0+62; Iron oxide staining on all surfaces (Primary <br />1, Primary 2) <br />Discontinuity Separation (Aperture) <br />Discontinuity Persistence <br />Notes: