2023-10-31_REVISION - M1973021 ‎(7)‎

• Permit No: M1973021
• IBM Index Class Name: Revision
• Doc Date: 10/31/2023
• Doc Name Note: Attachment B - Appendix E - Hydrology
• Doc Name: Request for Technical Revision
• From: Holcim - WCR, Inc.
• To: DRMS
• Type & Sequence: TR9
• Media Type: D
• Archive: No

FN Holcim-WCR,Inc. I Morrison Quarry Drainage Report
Appendix E—Hydrology
Conclusion
The proposed drainage diversion flows will be controlled on site, and the overall site drainage
patterns generally follow and conform with the existing management plan permitted by CDPHE.
The drainage diversion design flow is 25.4 cubic feet per second (cfs).