REV09304

• Permit No: C1982057
• IBM Index Class Name: Revision
• Doc Date: 6/29/1999
• Doc Name: MEMO OF 06/22/1999 SAME SUBJECT
• From: DMG
• To: SANDY BROWN
• Type & Sequence: TR33
• Media Type: D
• Archive: No

Interoffice memorandum
Walker to Brown
29 June 1999
Page 3 of 6 Pages
ITEM REFERENCE PURPOSE COMPLIANCE?
by debris. detail of the trash rack on
Drawing 13-8.
Invert elevation of the 4.05.6(3)(c) Required to determine Ok. Elevation is 7380. In
dewatering device. that the invert this pond, the dewater
elevation is not elevation is the top of the
located at a lower primary riser.
elevation than the
maximum sediment
storage volume.
Diameter of the 4.05.6(3)(d) Required to Ok. The diameter is 18",
primary spillway riser, demonstrate capacity CMP
and type of to discharge required
composition flows.
Invert elevation of the 4.05.6(3)(d) Required to Ok. At an elevation of
primary spillway riser demonstrate capacity 7380.
to discharge required
flows
Number, elevation of 4.05.6(3)(d) Required to N/A to this design.
inverts, and size of all demonstrate capacity
weep holes in the to discharge required
primary spillway riser flows
Invert elevation of the 4.05.6(3)(d) Required to Needs to be labeled on
primary spillway demonstrate capacity Drawing 13-8.
barrel to discharge required
flows
Slope of the primary 4.05.6(3)(d) Required to Needs to be labeled on
spillway barrel demonstrate capacity Drawing 13-8
to discharge required
flows
Length of the primary 4.05.6(3)(d) Required to Needs to be labeled on
spillway barrel demonstrate capacity Drawing 13-8
to discharge required
flows
Outfall protection 4.05.6(3)(d) Protection from None indicated (at the
undercutting outfall of the primary
spillway barrel). Needs to
be provided and shown on
Drawing 13-8