INSPEC22263

• Permit No: C1981041
• IBM Index Class Name: Inspection
• Doc Name: Inspection Report
• Inspection Date: 3/25/2003
• Media Type: D
• Archive: No

III. COMMENTS -COMPLIANCE
Below are comments on the inspection. The comments include discussion of observations made
during the inspection. Comments also describe any enforcement actions taken d'iring the inspection
and the facts or evidence supporting the enforcement action.
CRDA-1 SE Collection Ditch H-H (Upper end temp, road segment, 2002 construction)
Measurad Section 5'bw; 11' tw; d=2', 2% slope.
Design Specs: Slope 5%-25%; bw=2'; 4.6'tw if 25%, 5.6'tw if 5%; d=1.3' (25°hl;
Evaluation: Ditch segment as built appears to exceed design requirements, and is stable.
CRDA-1 SE Collection Ditch H-H (60' segment of 1994 ditch below 30" CMP at Xcel Fork)
Measured Section bw=3' to 3.5'; tw=8' to 10'; d=1.5' to 2'; 5°h slope.
Design Specs: Slope 5%-25°k; bw=2'; 4.6'tw if 25%, 5.6'tw if 5°h; d=1.3' (25%);
Evaluation: Ditch segment appears to meet or exceed design requirements, and is stable.
CRDA-1 SE Collection Ditch H-H (Steep 1994 downdrain segment into Pond 6)
Design Specs: 2' bw; 15" d; 4.6' tw.
Evaluation: Ditch segment appears to meet or exceed design requirements, and is stable.
CRDA-2 East Collection Ditch J-J (2002 extension, upper 40')
Measured Section: bw=4'8"; tw= 10'; d=25"; slope=26%.
Design Specs: Grade varies from 3% to 33%, with variable specs. d= 17", bw=3',
tw=8.7' for 3% grade. d=11"; bw=3'; tw=6.7' for 33°k grade. Minimum riprap 3.7"
D50.
Evaluation: Ditch as built appears to exceed design requirements, and is stable.
CRDA-2 East Collection Ditch J-J (2002 extension, middle 135')
Measured Section: bw=5'; tw=11'; d=31"; slope=l0%.
Design Specs: Grade varies from 3% to 33%, with variable specs. d=17", bw=3',
tw=8.7' for 3°h grade. d=11"; bw=3'; tw=6.7' for 33% grade. Minimum riprap 3.7"
D50.
Evaluation: Ditch as built appears to exceed design requirements, and is stable.
CRDA-2 East Collection Ditch J-J (2002 extension, lower 100')
Measured Section: bw=4'9"; tw=9'3"; d=31"; slope=3%.
Design Specs: Grade varies from 3% to 33%, with variable specs. d=17", bw=3',
tw=8.7' for 3% grade. d=11"; bw=3'; tw=6.7' for 33°k grade. Minimum riprap 3.7"
D50.
Evaluation: Ditch as built appears to exceed design requirements, and is stable.
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