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

Summary of CUHP Input Parameters(Version 2.0.11
5-Year Event
Depression Storage Horton's Infiltration Parameters DCIA Level and Fractions
Dist.to Decay Dir.Con'ct Receiv.
Area Centroid Length Slope Percent Pervious Imperv. Initial Rate Final Rate Coeff. Imperv. Perv. Percent Eff.
Catchment Name/ID SWMM Node/ID Raingage Name/ID (sq.mi.) (miles) (miles) (ft./ft.) Imperv. (inches) (inches) (in./hr.) (in.hr.) (1/sec.) DCIA Level Fraction Fraction Imperv.
02A MORRISON SOUTH REC 0.023 0.169 0.405 0.318 25.0 0.20 0.05 3.00 0.50 0.0018 0.00 0.50 0.15 22.12
02B MORRISON SOUTH REC 0.085 0.229 0.327 0.432 50.0 0.20 0.05 3.00 0.50 0.0018 0.00 0.85 0.23 47.99
3 MORRISON SOUTH REC 0.136 0.801 1.401 0.147 50.0 0.20 0.05 3.00 0.50 0.0018 0.00 0.85 0.23 47.99
100-Year Event
Depression Storage Horton's Infiltration Parameters DCIA Level and Fractions
Dist.to Decay Dir.Con'ct Receiv.
Area Centroid Length Slope Percent Pervious Imperv. Initial Rate Final Rate Coeff. Imperv. Perv. Percent Eff.
Catchment Name/ID SWMM Node/ID Raingage Name/ID (sq.mi.) (miles) (miles) (ft./ft.) Imperv. (inches) (inches) (in./hr.) (in.hr.) (1/sec.) DCIA Level Fraction Fraction Imperv.
02A MORRISON SOUTH REC 0.023 0.169 0.405 0.318 25.0 0.20 0.05 3.00 0.50 0.0018 0.00 0.50 0.15 23.55
02B MORRISON SOUTH REC 0.085 0.229 0.327 0.432 50.0 0.20 0.05 3.00 0.50 0.0018 0.00 0.85 0.23 48.95
3 MORRISON SOUTH REC 0.136 0.801 1.401 0.147 50.0 0.20 0.05 3.00 0.50 0.0018 0.00 0.85 0.23 48.95