2014-01-16_REVISION - C1996083 ‎(2)‎

• Permit No: C1996083
• IBM Index Class Name: Revision
• Doc Date: 1/16/2014
• Doc Name: Adequacy Review Letter
• From: DRMS
• To: Bowie Resources, LLC
• Type & Sequence: TR84
• Email Name: SLB
• Email Name: SB1
• Email Name: MLT
• Media Type: D
• Archive: No

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4. The proposal includes revised pages Exh 8 -25 through 8 -25iii that do not flow into the
currently approved page Exh 8 -26; there is extraneous Drainage Area D information at the top
of page Exh 8 -26. Please revise page Exh 8 -26 to remove the Drainage Area D watershed
information at the top of the page.
5. There is currently no approved or proposed page Exh 8 -30. Please include a page Exh 8 -30
that is noted as "intentionally blank" or "deleted ".
6. The revision proposal includes a new design for Ditch D -D1, provided on revised page Exh 8 -11.
Ditch D -D1 flows to Ditch D -D2 and Culverts C -D1 and C -D2 and will affect the flow values for
those structures. Please revise page 8 -12, Ditch D2 (receives flow from Ditch D1) and the
table on page Exh 8 -31, for Culverts C -D1 and C -D2, consistent with the revised flow value for
Ditch D -D1. (Rules 4.05.3 and 4.05.5)
7. Page Exh -8 -29iii references page Exh 8 -168 for the Ditch H1 design, but the design appears
on page Exh 8 -166. Also, the Peak flow value of 3.07 is different than the 1.06 cfs (23.35
total) in the design on page Exh 8 -166. Please revise the reference and flow value on the
table on page Exh -8 -29iii to be consistent with page Exh 8 -166.
8. Page Exh -8 -29iii references page Exh 8 -171 for the Ditch 11 design. The design appears on
pages Exh 8 -169 and Volume XI - App. B -16. Please revise the reference on the table on
page Exh -8 -29iii to correctly identify the location of Ditch 11 design(s).
9. On page Exh 8 -31, the flow value for Culvert C -C7 was changed to 32.35 cfs. The design for
the culvert and the currently approved version of this table indicate that the flow value is
32.18 cfs. Please correct the table on page Exh 8 -31 to include the correct flow for Culvert
C -C7.
10. On page Exh 8 -31, the flow value for Culvert C -C20 was changed to 35.01 cfs. The design for
the culvert and the currently approved version of this table indicate that the flow value is
34.91 cfs. Please correct the table on page Exh 8 -31 to include the correct flow for Culvert
C -C20.
11. On page Exh 8 -31, the flow value for Culvert C -G3 was changed to 7.51 cfs. The design flow
for the culvert on page Exh 8 -255 is 1.07 cfs, and the currently approved version of this
table indicates that the flow value is 0.98 cfs. Please verify which flow value is correct and
revise the design or the table on page Exh 8 -31 to include the correct flow for Culvert C-
G3.
12. On page Exh 8 -31, the flow value for Culvert C -G4 was changed to 1.97 cfs; the currently
approved version of this table indicates that the flow value is 0.86 cfs. The design flow for
the culvert cannot be located in the permit, however the table indicates that flow through
the culvert is from Ditch D -5. The Ditch D -5 design on page Exh 8 -252 indicates a flow of
0.74 cfs. Please verify which flow value is correct, provide a design for Culvert C -G4, and
revise the table on page Exh 8 -31 to include the correct flow for Culvert C -G4.