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 5 of 6 Pages
ITEM REFERENCE PURPOSE COMPLIANCE?
freeboazd above the
maximum water level
Slopes of 4.05.6(1 I)(f) Combined slopes Ok. Slopes are not steeper
embankments cannot exceed Sh:l v, than 3 horizontal to I
neither slope can be vertical, combined 6
steeper than 2h:1 v. horizontal to 1 vertical.
Protection of slopes 4.05.6(11)(8) Indicate covers, grass, No protection is described.
fabric, riprap, etc. Needs to be indicated in
text or on Drawing 13-8.
Elevation of upstream 4.05.6(11)(h) Required to determine Not shown. Needs to be
toe of slope height (H) of indicated on Drawing 13-
embankment 8.
Width of top of 4.05.6(11)(h) Cannot be less than The stability analysis
embankment (H+35)15 estimates the height of the
embankment at 12 feet. A
top of embankment width of
9.4 feet would be required.
15 feet are provided.
Elevation of lowest 4.05.6(11)(1) Required to determine Not indicated. Should be
natural grade the height of the shown on Drawing 13-8.
(channel) under the embankment for
centerline of the evaluation against the
embankment. 10-foot threshold.
Stage-azea curve, or 4.05.6(11)(1) Required to determine Ok. Shown on the
note of surface area at if the pond exceeds the SEDCAD demonstration.
high water line. 20-acre threshold. The area is 0.66 acre for the
25-year, 24-hour event.
Design maximum 4.05.6(3)(a), Demonstrates, with Demonstrated to be 7383.90
level of water in the 4.05.6(4) other items, that the in the SEDCAD
pond pond is designed to information.
meet the requirements
of the rules. The
design maximum level
cannot be higher than
the invert of the
emergency spillway,
Geotechnical 2.05.3(4)(ii)(B) Only if required by the NA
investigations, design, Division. These