1987-12-01_PERMIT FILE - C1981017 ‎(93)‎

• Permit No: C1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/1/1987
• Doc Name: Calculations
• Section_Exhibit Name: Chapter II Attachment 4 to Appendix II-B-7
• Media Type: D
• Archive: No

the peak flow runoff from the 100 year, 24-hour storm event .
The temporary fill and culvert has been located to be used
as access to the tunnel face-up and yard area whereas the
multi-plate diversion has been installed to gain access to
the permanent tunnel spoil disposal area .
Drainage from the Adit/Rock Tunnel pad area goes
to NPDES pond #025.
2