2011-06-30_REVISION - M1981302 ‎(12)‎

• Permit No: M1981302
• IBM Index Class Name: Revision
• Doc Date: 6/30/2011
• Doc Name: As-Built Drawings of Perimeter Levee- Apps. B-1 to B-11, Part 1.
• From: The Regeants of the Univ. of Colorado
• To: DRMS
• Type & Sequence: TR8
• Email Name: MAC
• Media Type: D
• Archive: No

Flood Control Levee August 24, 1999 Page 19
100 -Year Base Velocities Affecting the Levee
Ayres Associates, Inc. (Ayres) of Boulder, Colorado was consulted to evaluate the pe'rformance of
the existing riprap, and grass-and-rock, grass - only, and bare portions ofthe levee m ankment which
existed in September 1997. After careful evaluation, Ayres determm*