2018-02-07_PERMIT FILE - M1981148 ‎(8)‎

• Permit No: M1981148
• IBM Index Class Name: Permit File
• Doc Date: 2/7/2018
• Doc Name Note: Adequacy Review Response
• Doc Name: Adequacy Review Response
• From: General Shale Brick, Inc.
• To: DRMS
• Email Name: MAC
• Media Type: D
• Archive: No

Contents
Introduction 1
Issue 1
Location and Mine Operation 1
Stormwater 2
Hydrology 3
Colorado Urban Hydrograph Procedure 4
Rain 4
CUHP Model 4
CUHP Results 6
Hydraulics/Routing 6
SWMM 6
SWMM Nodes 6
SWMM Links 7
Results 7
Design Assumptions 7
Principals 7
Assumptions 8
Dedicated Detention Storage 8
Outer Ditch Characteristics 8
References 12
Figures
Figure 1—Location Map
Figure 2—Fee and Leased Land
Figure 3—Mining Assets and Stockpile Areas
Figure 4—Outer Drainage Ditch Catchment
Figure 5—Sub-catchments 1-2
Figure 6—Sub-catchments 3-8
16114 i 07/30/2017