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.
From Permit page 13-21, construction specifications for CRDA-1 call for minimum 10' wide
terrace drains on 30 foot vertical intervals (except Bench 1 height of 50'). Maximum slope
gradient of 50%. CRDA-2 specifications are the same, except for maximum slope gradient
of 40°~. There is conflict between text and Exhibit 53 regarding required terrace drain
width for CRDA-2, which will need to be resolved (see previous section).
On CRDA-1, Bench 4, average slope was 45%, and average estimated bench height was
31'. Bench 5 average slope was 32% and average height was 19'. Terrace drain widths
ranged from 10' to 11'. Maximum estimated bench height was 34', and maximum bench
slope was 48%. The upper benches of CRDA-1 reclaimed in 2002 appear to have been
constructed in general conformance with the referenced design specifications.
On CRDA-2, Bench 4, average slope was 40%, and average estimated bench height was
30'. Bench 5 average slope was 33%, and average estimated height was 18'. Terrace
drain widths ranged from 12' to 15', averaging 13.5'. Maximum bench slope was 44%;
maximum bench height was 35'. The upper benches of CRDA-1 reclaimed in 2002 appear
to have been constructed in general conformance with the referenced design specifications,
although the referenced terrace drain width specification design inconsistency needs to be
resolved.
From Permit page 14-6, and Exhibits 6C and 26, design specifications for the RSRDA
include 2, 10'-15' wide terrace drains, with bench slopes of up to 50%, and bench height
of up to 40 feet. Based on the data collected, Bench 1 average slope was 46%, and
average estimated height was 42'. Bench 2 average slope was 38°k; average height was
28'. Bench 3 average slope was 40%; average height was 36'. Maximum bench slope
was 53%, and maximum bench height was 50' (lower bench in one location). Terrace drain
width ranged from 11 to 14 feet. The RSRDA benches reclaimed in 2002 appear to have
been constructed in general conformance with the referenced design specifications.
However, there is a discrepancy between terrace drain width specification in permit text
and Exhibit 26, that will need to be resolved.
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