2018-09-06_REVISION - M1973021 ‎(13)‎

• Permit No: M1973021
• IBM Index Class Name: REVISION
• Doc Date: 9/6/2018
• Doc Name Note: PART 6 OF 7
• Doc Name: Request For Amendment To Permit
• From: GEI Consultants
• To: DRMS
• Type & Sequence: AM6
• Email Name: ECS
• Email Name: MAC
• Media Type: D
• Archive: No

Groundwater Conditions:
Liters per 10 m of tunnel length Or Water Pressure
Inflow (liters per 10 m) Notes:
Dry, Damp,
OR Water Pressure None Dripping,etc
Discontinuity Persistence
Set 1 Set 2 Set 3 Set 4 Set 5
Very Low(6) <1m (<3.3 ft) Notes:
Low(4) 1-3 m (3.3-9.9 ft) X X X X
Medium (2) 3- 10 m (9.9-33 ft) X X
High (1) 10-20 m (33-66 ft)
Very High (0) >20 m ( >66 ft)
Discontinuity Separation (Aperture)
Set 1 Set 2 Set 3 Set 4 Set 5
Very Tight Joints (6) <0.1 mm (<0.003 in)
Tight Joints(5) 0.1-0.5 mm (0.003-0.02 in) X X X X
Moderately Open Joints(4) 0.5-2.5 mm (0.02-0.1 in) X X X X
Open Joints(1) 2.5-10 mm (0.1-0.4 in) X X
Very Wide Aperture(0) >10 mm (>0.4 in)
Discontinuity Roughness
Set 1 Set 2 Set 3 Set 4 Set 5
Very Rough Surfaces(6) VR Notes:
Rough Surfaces (5) R X X X X
Slightly Rough Surfaces(3) SR X X X X
Smooth Surfaces (1) SM
Slickensided Surfaces (0) SL