REV13077

• Permit No: M1978305
• IBM Index Class Name: Revision
• Doc Date: 8/4/2000
• Doc Name: HIGHWALL STABILITY GUNNISON GRAVEL DICKERSON PIT PN M-78-305
• From: DMG
• To: BOB OSWALD
• Type & Sequence: CN1
• Media Type: D
• Archive: No

RUG. 1.2000 4~13PM DIViMINERRLS8GE0LOGY ~ N0.330 P.4i4
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iguxe z Catch bench nomenclature and recommended dimensions.
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Design Catch Bench Geometry
Bench Impact Barm Betio
Height Zone Height Width
m (!t) m (ft) m (ft) m (ft)
12 (40) 3 (10) 1 (]) ] (10)
15 (50) ].5 (11.5) 1.5 (5) 4 (1])
19.5 (60) 3.7 (12) 1.6 (5) 4.2 (14)
24 (80) 4 (13) 2 (6.5) 5 (16.5)
30 (100) 4.5 (15) 2 (6.5} 5.5 (18)
45 (150) 5 (16) 3 (10) 9 (26)
(adapted from Call, 1986)
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