1987-12-01_PERMIT FILE - C1981017 ‎(282)‎

• Permit No: C1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/1/1987
• Doc Name: Technical Proposal Subsidence Intensive Monitoring Net
• Section_Exhibit Name: Chapter IV Appendix IV-F-2
• Media Type: D
• Archive: No

•
Steel trivot plate
Lj
8-in diameter concrete
construction (6-10in high)
Stir . .
. : • Excavation to competent
strata (1-2ft deep)
Rock bolts-3 to ?ft length
driven to refusal with a
16 lb sledge- or equivalent
Figure Not To Scale
FIGURE A-1 MONUMENT CONSTRUCTION DETAILS