2012-04-10_REVISION - M1981185 ‎(43)‎

• Permit No: M1981185
• IBM Index Class Name: REVISION
• Doc Date: 4/10/2012
• Doc Name: TECHNICAL REVISION ‎(TR02)‎
• From: WILDCAT MINING CORP.
• To: DRMS
• Type & Sequence: TR2
• Email Name: DMC
• Email Name: SSS
• Media Type: D
• Archive: No

ORIFICE CALCLATIONS
DETENTION POND Formulas
CLC & Associates
DATE: 02/10/12
CALCULATIONS IN RADIANS
Structure ID = INLET
Storm Event = 100 year
input
8629.96 Water Surface Elev (WSEL)
18.00 Pipe Diam (in)
8626.30 Invert
(3)= acos [ { (2) - (1) } / (2) ]
(4)= (3) - sin(3) * cos(3)
( ( 112 * (
(6) =(5) / 144
(7) =pipe inv + (2)
(8) =WSEL - (7) + [ 2/3 * (2) * sin(3) ^3 / (4)]
(9)= 0.6 *(6) *[2 *g *(8)] ^0.5
POND
RELEASE RATE = 8.6
(1) ( ( ( ( (6) ( (8) (9)
alpha -
Inv to Pipe sin(Alpha)* Head
Plate Radius alpha cos(alpha) Area Area Spring H Q
(in) (in) (rad) (rad) (sq in) (sq ft) Elev (ft) (cfs)
0.50 9 0.334896 0.024485 1.98 0.014 8627.05 3.64 0.13
1.00 9 0.475882 0.068662 5.56 0.039 8627.05 3.61 0.36
1.50 9 0.585686 0.125043 10.13 0.070 8627.05 3.59 0.64
2.00 9 0.679674 0.190810 15.46 0.107 8627.05 3.56 0.97
2.50 9 0.763786 0.264253 21.40 0.149 8627.05 3.54 1.35
3.00 9 0.841069 0.344165 27.88 0.194 8627.05 3.51 1.75
3.50 9 0.913333 0.429611 34.80 0.242 8627.05 3.49 2.18
4.00 9 0.981765 0.519832 42.11 0.292 8627.05 3.46 2.62
4.50 9 1.047198 0.614186 49.75 0.345 8627.05 3.44 3.08
5.00 9 1.110242 0.712106 57.68 0.401 8627.05 3.41 3.57
5.50 9 1.171371 0.813094 65.86 0.457 8627.05 3.39 4.05
6.00 9 1.230959 0.916689 74.25 0.516 8627.05 3.37 4.56
6.50 9 1.289316 1.022470 82.82 0.575 8627.05 3.34 5.06
7.00 9 1.346703 1.130037 91.53 0.636 8627.05 3.32 5.58
7.50 9 1.403348 1.239012 100.36 0.697 8627.05 3.30 6.10
8.00 9 1.459455 1.349032 109.27 0.759 8627.05 3.27 6.61
8.50 9 1.515212 1.459742 118.24 0.821 8627.05 3.25 7.13
9.00 9 1.570796 1.570796 127.23 0.884 8627.05 3.23 7.65
-L 9.50 9 1.626381 1.681851 136.23 0.946 8627.05 3.21 8.16
�l ^ 10.00 9 1.682137 1.792560 145.20 1.008 8627.05 3.18 8.66
10.50 9 1.738244 1.902579 154.11 1.070 8627.05 3.16 9.16
11.00 9 1.794889 2.011554 162.94 1.132 8627.05 3.14 9.66
11.50 9 1.852276 2.119122 171.65 1.192 8627.05 3.12 10.14
12.00 9 1.910633 2.224902 180.22 1.252 8627.05 3.10 10.61
12.50 9 1.970222 2.328500 188.61 1.310 8627.05 3.08 11.07