2016-09-16_PERMIT FILE - M2016010

• Permit No: M2016010
• IBM Index Class Name: Permit File
• Doc Date: 9/16/2016
• Doc Name Note: Response #5
• Doc Name: Adequacy Review Response #5
• From: Transit Mix Concrete Co.
• To: DRMS
• Media Type: D
• Archive: No

Table A-1
Impervious Area Determination
Hitch Rack Ranch Quarry Project
El Paso County,Colorado
Percent Impervious Calcuations
References:UDFCD DCM Vol.1-Table 6-3,CSCDCM Vol 1-Table 6-6
Land Use Type
Residental Misc. Streets Industrial Undeveloped
Single Gravel Percent
Family Multi-family Apartments Schools Playground Pool Packed Paved Light Heavy Historic Reclaimed Total Area Impervious
Impervious 38 80 75 55 10 85 40 100 80 90 2 45
Basin Area (ac) Area (ac) Area (ac) Area (ac) Area (ac) Area (ac) 1 Area (ac) I Area (ac) Area (ac) Area (ac) Area (ac) Area (ac) rArea(ac)
a.. Pre-Mine Conditions
N1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 83.48 0.00 83.48 2.00
L1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 37.08 0.00 37.08 2.00
B1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 51.66 0.00 51.66 2.00
C1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 51.67 0.00 51.67 2.00
01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.49 44.37 0.00 46.86 6.68
E2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23.23 83.48 106.71 35.64
Phases-IV
Al 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.19 0.19 0.00 3.38 85.08
A2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.39 12.98 0.00 19.37 31.03
B1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.11 0.00 10.66 0.00 17.77 33.21
B2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 39.64 0.00 39.64 2.00
Cl 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.25 0.00 0.00 9.25 90.00
C2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.28 8.34 0.00 10.62 20.89
C3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.43 0.00 0.00 1.43 90.00
C4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.57 0.00 0.00 0.57 90.00
C5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.98 40.29 0.00 43.27 8.06
D1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.72 4.22 0.00 8.94 48.46
D2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.34 0.32 0.00 1.66 73.04
D3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.81 0.00 0.00 1.81 90.00
D4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.45 0.00 0.00 0.45 90.00
E1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.60 3.43 0.00 4.03 15.10
E2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 22.10 0.00 22.20 1 2.40
F1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.88 2.42 0.00 5.30 49.82
F2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.72 0.00 0.00 1.72 90.00
G1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.68 3.69 0.00 6.37 39.02
H1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.23 6.78 0.00 11.01 35.81
H2 O.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.57 2.72 0.00 3.29 17.25
H3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.80 0.00 0.00 2.80 90.00
H4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.53 0.00 0.00 0.53 90.00
H5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.51 0.00 0.00 0.51 90.00
11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.67 0.00 0.00 1.67 90.00
12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.89 0.00 0.00 0.89 90.00
13 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.67 0.00 0.00 1.67 90.00
14 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.94 0.00 0.00 0.94 90.00
J1 0.00 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.70 40.73 0.00 41.43 3.49
J2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.54 26.66 0.00 27.20 3.75
N1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.70 67.59 0.00 68.29 2.90
N2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.84 15.52 0.00 26.36 38.19
01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.54 46.32 0.00 46.86 3.01
Phase II
Al 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.32 0.44 0.00 4.76 81.87
A2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23.15 34.73 0.00 57.88 37.20
Bl 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.30 0.00 10.94 0.00 18.24 33.22
N1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21.28 55.93 0.00 77.21 26.25
N2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17.65 16.53 0.00 34.18 47.44
Phase III
A2 0.00 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 28.81 28.81 0.00 57.62 46.00
131 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.17 12.12 0.00 20.29 37.43
B2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 37.59 0.00 37.59 2.00
N2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.27 10.18 0.00 24.45 53.36
N3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 26.10 4.82 0.00 30.92 76.28
Phase IV
Al 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.88 0.44 0.00 4.32 81.04
A2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 40.91 17.54 0.00 58.45 63.59
131 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13.47 0.00 10.94 0.00 24.41 45.04
B2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 34.27 0.00 34.27 2.00
K1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12.79 0.45 0.00 13.24 87.01
L1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15.06 24.42 0.00 39.48 35.57
N1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.87 56.16 12.37 77.40 18.96
N2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.29 10.18 0.00 24.47 53.39
N3 0.00 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 28.45 0.00 0.00 28.45 90.00
Phase V
131 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 59.74 29.56 0.00 89.30 60.87
Cl 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.77 0.00 0.00 6.77 90.00
C5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.37 17.78 0.00 20.15 12.35
K1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11.85 0.45 0.00 12.30 86.78
L1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.15 4.00 0.00 10.15 55.32
L2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.25 21.08 0.00 29.33 26.75
N2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 0.00 0.00 13.98 10.18 0.00 24.16 52.92
N3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 30.50 0.00 0.00 30.50 90.00
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