HomeMy WebLinkAboutSnow Camp-Skimmer Basin Calculations (skimmers 1 -27) (1)Skimmer Basin #1
Okay
3,24� Disturbed Area (Acres)
9_53568, Peak Flow from 10-year Storm (cfs)
5832 Required Volume ft3
3099 Required Surface Area ftz
39.4 Suggested Width ft
78.7 Suggested Length ft
3.2 Trial Top Width at Spillway Invert ft
97 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
15 Trial Depth ft (2 to 3.5 feet above grade)
18 Bottom Width ft
83 Bottom Length ft
1494 Bottom Area ftz
7932 Actual Volume ft3 Okay
3104 Actual Surface Area ftz Okay
1'0 Trial Weir Length ft
0.5 Trial Depth of Flow ft
10.6 Spillway Capacity cfs Okay
03/19/19 KCG
567.5 'Water Surface Elev
Q10= C I A= .35 x 7.04 in/hr x 3.24 acres
2 Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1.6 Orifice Size (1/4 inch increments)
2.75 Dewatering Time (days)
Suggest about 3 days
� 97'
32'
1
NTS
5'
Bottom = 564.00
Tip= 569.00
Weir = 568.00
Water = 567.50
Skimmer Basin #2
Okay
1.48 Disturbed Area (Acres)
3.65 Peak Flow from 10-year Storm (cfs)
2664 Required Volume ft3
1185 Required Surface Area ft2
24.3 Suggested Width ft
48.7 Suggested Length ft
03/19/19 KCG
574. Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 1.48 acres
.25Trial Top Width at Spillway Invert ft
49 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3-5i Trial Depth ft (2 to 3.5 feet above grade)
11 Bottom Width ft
35 Bottom Length ft
385 Bottom Area ft2
2703 Actual Volume ft3 Okay
1225 Actual Surface Area ft2 Okay
10 Trial Weir Length ft
0-5 Trial Depth of Flow ft
10.6 Spillway Capacity cfs
2 Skimmer Size (inches)
0.167 Head on Skimmer (fee 574.5
1 Orifice Size (1/4 inch increments)
2.82 Dewatering Time (days)
Suggest about 3 days
25'
NTS
2
49'
Okay
Skinimer Size
(inches)
1 .5
2
2.5
4
5
6
.8
5'
Bottom = 571.00
Top = 576.00
-------------
Weir = 575.00
Water = 574.50
--------
Skimmer Basin #3
Okay
3 62' Disturbed Area (Acres)
8,92 Peak Flow from 10-year Storm (cfs)
6516 Required Volume ft3
2899 Required Surface Area ft2
38.1 Suggested Width ft
76.1 Suggested Length ft
03/19/19 KCG
575.5 Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 3.62 acres
ei
38 Trial Top Width at Spillway Invert ft
77 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3.5.. Trial Depth ft (2 to 3.5 feet above grade)
24 Bottom Width ft
63 Bottom Length ft
1512 Bottom Area ft2
7652 Actual Volume ft3 Okay
2926 Actual Surface Area ft2 Okay
10 Trial Weir Length ft
0.5 Trial Depth of Flow ft
10.6 Spillway Capacity cfs
2 Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1.5 Orifice Size (1/4 inch increments)
3.07 Dewatering Time (days)
Suggest about 3 days
3a'
NTS
2
77'
Okay
5'
Bottom = 572.00
Top = 577.00
Weir _= 576.00
Water = 575.50
Skimmer Basin #4
Okay
2:88Disturbed Area (Acres)
7.10 Peak Flow from 10-year Storm (cfs)
5184 Required Volume ft3
2306 Required Surface Area ft2
34.0 Suggested Width ft
67.9 Suggested Length ft
3/19/19 KCG
Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 2.88 acres
34 Trial Top Width at Spillway Invert ft
6t Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3..5 Trial Depth ft (2 to 3.5 feet above grade)
20 Bottom Width ft
54 Bottom Length ft
1080 Bottom Area ft2
5822 Actual Volume ft3 Okay
2312 Actual Surface Area ft2 Okay
Trial Weir Length ft
6Md Trial Depth of Flow ft
8.5 Spillway Capacity cfs
2 Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1.25 Orifice Size (1/4 inch increments)
3.51 Dewatering Time (days)
Suggest about 3 days
34'
NTS
2
68'
Okay
a'
Bottom = 604.50
Tom_ 609.50
Weir = 608.50
Water = 608.00
1-- 2
Skimmer Basin #5
Okay
2.02 Disturbed Area (Acres)
4.98, Peak Flow from 10-year Storm (cfs)
3636 Required Volume ft3
1618 Required Surface Area ft2
28.4 Suggested Width ft
56.9 Suggested Length ft
3/19/19 KCG
500.5 Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 2.02 acres
'M Trial Top Width at Spillway Invert ft
G5� Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
Trial Depth ft (2 to 3.5 feet above grade)
12 Bottom Width ft
51 Bottom Length ft
612 Bottom Area ft2
3914 Actual Volume ft3 Okay
1690 Actual Surface Area ft2 Okay
6, Trial Weir Length ft
0_5 Trial Depth of Flow ft
6.4 Spillway Capacity cfs
1 _4 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
115 Orifice Size (1/4 inch increments)
2.85 Dewatering Time (days)
Suggest about 3 days
NT5
Okay
Skimmer Sipe
()riches)
1.5
2.5
3
4
5
6
�3
5'
Bottom = 597.00
Top = 602.00
Weir = 601.00
Water = 600.50
�2
Skimmer Basin #6
Okay
1.62 Disturbed Area (Acres)
3.90 Peak Flow from 10-year Storm (cfs)
2916 Required Volume ft3
1297 Required Surface Area ft2
25.5 Suggested Width ft
50.9 Suggested Length ft
3/19/19 KCG
600. Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 1.62 acres
2, Trial Top Width at Spillway Invert ft
Trial Top Length at Spillway Invert ft
Trial Side Slope Ratio Z:1
Trial Depth ft (2 to 3.5 feet above grade)
15 Bottom Width ft
40 Bottom Length ft
600 Bottom Area ft2
2934 Actual Volume ft3 Okay
1404 Actual Surface Area ft2 Okay
4.Trial Weir Length ft
0.5. Trial Depth of Flow ft
4.2 Spillway Capacity cfs
1.5 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
1 Orifice Size (1/4 inch increments)
3.57 Dewatering Time (days)
Suggest about 3 days
52'
27'
1
rIVI N11
Okay
Sklf tiler Size
Onches1
15
2
2.5
3
4
5
6
a
5'
Bottom = 597.00
Top = 601.50
Weir _= 600.50
Water = 600.00
Skimmer Basin #7
Okay
2.07 Disturbed Area (Acres)
a.10 Peak Flow from 10-year Storm (cfs)
3726 Required Volume ft3
1658 Required Surface Area ft2
28.8 Suggested Width ft
57.6 Suggested Length ft
3/19/19 KCG
Water Surface ;-Iev.
Q10= C I A= .35 x 7.04 in/hr x 2.07 acres
29.ITrial Top Width at Spillway Invertft
58� Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3.5 Trial Depth ft (2 to 3.5 feet above grade)
15 Bottom Width ft
44 Bottom Length ft
660 Bottom Area ft2
3984 Actual Volume ft3 Okay
1682 Actual Surface Area ft2 Okay
5 Trial Weir Length ft
0.5 Trial Depth of Flow ft
5.3 Spillway Capacity cfs
1'_5 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
1.25.Orifice Size (1/4 inch increments)
2.92 Dewatering Time (days)
Suggest about 3 days
� 58�
29'
1
NTS
Okay
5'
Bottom = 601.50
_ Toe _ 606.50
Weir = 605.50
Water = 605.00
1
Skimmer Basin #S
Okay
4.86, Disturbed Area (Acres)
11.98: Peak Flow from 10-year Storm (cfs)
8748 Required Volume ft3
3892 Required Surface Area ft2
44.1 Suggested Width ft
88.2 Suggested Length ft
03/19/19 KCG
Water Surface F1ev.
Q10= C I A= .35 x 7.04 in/hr x 4.86 acres
~-Trial Top Width at Spillway Invert ft
WNTrial Top Length at Spillway Invert ft
Trial Side Slope Ratio Z:1
Trial Depth ft (2 to 3.5 feet above grade)
31 Bottom Width ft
74 Bottom Length ft
2294 Bottom Area ft2
10830 Actual Volume ft3 Okay
3960 Actual Surface Area ft2 Okay
12 Trial Weir Length ft
0.5 Trial Depth of Flow ft
12.7 Spillway Capacity cfs
2- Skimmer Size (inches)
0,167 Head on Skimmer (feet)
1.75 Orifice Size (1/4 inch increments)
3.03 Dewatering Time (days)
Suggest about 3 days
NT5
Okay
SI•AiT mer S7
1ncf�es}
T5
2
N8
2.5
3
4
5
6
5' Top = 618.00
Weir = 617.00
---------------- . _--- - --- -- --- ----_
Water 616.50
Bottom = 613.00
rlofi
Skimmer Basin #10
Okay
1.29 Disturbed Area (Acres)
3.18 Peak Flow from 10-year Storm (cfs)
2322 Required Volume ft3
1033 Required Surface Area ft2
22.7 Suggested Width ft
45.5 Suggested Length ft
03/19/19 KCG
593.�. Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 1.29 acres
31 Trial Top Width at Spillway Invert ft
57 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3:5 Trial Depth ft (2 to 3.5 feet above grade)
9 Bottom Width ft
43 Bottom Length ft
387 Bottom Area ft2
2857 Actual Volume ft3 Okay
1311 Actual Surface Area ft2 Okay
4' Trial Weir Length ft
('}:5! Trial Depth of Flow ft
4.2 Spillway Capacity cfs
1.6 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
I Orifice Size (1/4 inch increments)
2.84 Dewatering Time (days)
Suggest about 3 days
' 57'
23'
1
NTS
Okay
5'
Bottom = 590.00
Top = 595.00
Weir = 594.00
Water = 593.50
�1
Skimmer Basin #11
Okay
3.58 Disturbed Area (Acres)
8.8a11 2 1 Peak Flow from 10-year Storm (cfs)
6444 Required Volume ft3
2867 Required Surface Area ft2
37.9 Suggested Width ft
75.7 Suggested Length ft
03/19/19 KCG
592'.00 Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 3.58 acres
38 Trial Top Width at Spillway Invert ft
76 Trial Top Length at Spillway Invert ft
2. Trial Side Slope Ratio Z:1
3 5 Trial Depth ft (2 to 3.5 feet above grade)
20 Bottom Width ft
58 Bottom Length ft
1160 Bottom Area ft2
6895 Actual Volume ft3 Okay
2888 Actual Surface Area ft2 Okay
4:Trial Weir Length ft
1 Trial Depth of Flow ft
12.0 Spillway Capacity cfs
2i Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1.. Orifice Size (1/4 inch increments)
3.03 Dewatering Time (days)
Suggest about 3 days
38'
NTS
2
,r
76-
Okay
SkITTi11!Er 777
f 13�c`�es]
2> . 5
3
5' µ� Top = 594.00
----------------------
Weir = 593.00
Water = 592.00
-•-----------------------__._..._..—--- -------------------
2
Bottom = 588.50 1
Skimmer Basin #12
Okay
7.7 Disturbed Area (Acres)
18.97 Peak Flow from 10-year Storm (cfs)
13860 Required Volume ft3
6166 Required Surface Area ft2
55.5 Suggested Width ft
111.1 Suggested Length ft
3/19/2019 KCG
Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 7.7 acres
5� Trial Top Width at Spillway Invert ft
1111 Trial Top Length at Spillway Invert ft
A.-
A Trial Side Slope Ratio Z:1
Trial Depth ft (2 to 3.5 feet above grade)
38 Bottom Width ft
93 Bottom Length ft
3534 Bottom Area ft2
16874 Actual Volume ft3 Okay
6216 Actual Surface Area ft2 Okay
7 Trial Weir Length ft
1 Trial Depth of Flow ft
21.0 Spillway Capacity cfs
3 Skimmer Size (inches)
0.25 Head on Skimmer (feet)
2.Orifice Size (1/4 inch increments)
3.00 Dewatering Time (days)
Suggest about 3 days
56-
NT5
Okay
51cimmer Size
(Ir�c#yes]
1.a
2
2.5
3
4
5
6
8
a
Top _ 588.00
Weir 587.00
Water = 586.00
---------------------------------- --� - , 2
Bottom = 582.50 1
Skimmer Basin #13
Okay
3.4.5 Disturbed Area (Acres)
8.50 , Peak Flow from 10-year Storm (cfs)
6210 Required Volume ft3
2763 Required Surface Area ft2
37.2 Suggested Width ft
74.3 Suggested Length ft
03/19/19 KCG
514. Water Surface Elev.
Q=.35x 7.04 in/hrx 3.45 ac
371Trial Top Width at Spillway Invert ft
75 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
25 Bottom Width ft
63 Bottom Length ft
1575 Bottom Area ft2
6453 Actual Volume ft3 Okay
2775 Actual Surface Area ft2 Okay
9 Trial Weir Length ft
0.5 Trial Depth of Flow ft
9.5 Spillway Capacity cfs
Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1.5 Orifice Size (1/4 inch increments)
2.92 Dewatering Time (days)
Suggest about 3 days
NIMIJ
Okay
5' Top = 595.50
._ _.----- -----. ------------ -- -- --- -
Weir 594.50
----------------------------------------------------
Water 594.00
Bottom = 591.00 1
Skimmer Basin #14
Okay
Disturbed Area (Acres)
Peak Flow from 10-year Storm (cfs)
7704 Required Volume ft3
3427 Required Surface Area ft2
41.4 Suggested Width ft
82.8 Suggested Length ft
03/19/19 KCG
6, Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 4.28 acres
36 Trial Top Width at Spillway Invert ft
160. , Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
24 Bottom Width ft
88 Bottom Length ft
2112 Bottom Area ft2
8496 Actual Volume ft3 Okay
3600 Actual Surface Area ft2 Okay
11 Trial Weir Length ft
0.5' Trial Depth of Flow ft
11.7 Spillway Capacity cfs
3 Skimmer Size (inches)
0.25 Head on Skimmer (feet)
1.5- Orifice Size (1/4 inch increments)
2.96 Dewatering Time (days)
Suggest about 3 days
100,
36-
t
F11"INJ
Okay
Skimmer Si e
(Inches)
I :.5
2
2.5
7
a.
5
b
5'
Bottom = 601.50
i,
_ Top = 606.00
Weir = 605.00
Water = 604.50
1
Skimmer Basin #15
Okay
8.52 Disturbed Area (Acres)
2099. Peak Flow from 10-year Storm (cfs)
15336 Required Volume ft3
6823 Required Surface Area ft2
58.4 Suggested Width ft
116.8 Suggested Length ft
03/19/19 KCG
59.3_ Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 8.52 acres
60�Trial Top Width at Spillway Invert ft
117 Trial Top Length at Spillway Invert ft
3 Trial Side Slope Ratio Z:1
3.5 Trial Depth ft (2 to 3.5 feet above grade)
39 Bottom Width ft
96 Bottom Length ft
3744 Bottom Area ft2
18580 Actual Volume ft3 Okay
7020 Actual Surface Area ft2 Okay
8' Trial Weir Length ft
1 Trial Depth of Flow ft
24.0 Spillway Capacity cfs
5, Skimmer Size (inches)
0.333 Head on Skimmer (feet)
1.75 Orifice Size (1/4 inch increments)
3.76 Dewatering Time (days)
Suggest about 3 days
>60'
i
NTT
Okay
5'
Bottom = 590.00
T_o = 595.50
Weir = 594.50
Water = 593.50
-------------
Skimmer Basin #16
Okay
Disturbed Area (Acres)
S.11 Peak Flow from 10-year Storm (cfs)
5922 Required Volume ft3
2635 Required Surface Area ft2
36.3 Suggested Width ft
72.6 Suggested Length ft
03/19/19 KCG
Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 3.29 acres
40 Trial Top Width at Spillway Invert ft
75: Trial Top Length at Spillway Invert ft
3 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
22 Bottom Width ft
57 Bottom Length ft
1254 Bottom Area ft2
6219 Actual Volume ft3 Okay
3000 Actual Surface Area ft2 Okay
3 Trial Weir Length ft
I Trial Depth of Flow ft
9.0 Spillway Capacity cfs
2- Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1.5 Orifice Size (1/4 inch increments)
2.79 Dewatering Time (days)
Suggest about 3 days
75'
40'
1
NTS
Okay
5'
Bottom = 571.00
M
Top = 576.00
Weir = 575.00
Water = 574.00
1
Skimmer Basin #17
Okay
4.5-1 Disturbed Area (Acres)
11.11 Peak Flow from 10-year Storm (cfs)
8118 Required Volume ft3
3612 Required Surface Area ft2.
42.5 Suggested Width ft
85.0 Suggested Length ft
03/19/19 KCG
623 *ater Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 4.51 acres
50 Trial Top Width at Spillway Invert ft
�5 Trial Top Length at Spillway Invert ft
3. Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
32 Bottom Width ft
57 Bottom Length ft
1824 Bottom Area ft2
8199 Actual Volume ft3 Okay
3750 Actual Surface Area ft2 Okay
4 Trial Weir Length ft
1 Trial Depth of Flow ft
12.0 Spillway Capacity cfs Okay
3 Skimmer Size (inches) Skimmer Size
0.25 Head on Skimmer (feet) Inches)
1.5 Orifice Size (1/4 inch increments) 1 5
3.12 Dewatering Time (days) 2
Suggest about 3 days 2 5
3
__
5
5
8
NTS
Skimmer Basin #18
Okay
2.51 Disturbed Area (Acres)
6.18 Peak Flow from 10-year Storm (cfs)
4518 Required Volume ft3
2010 Required Surface Area ft2
31.7 Suggested Width ft
63.4 Suggested Length ft
03/19/19 KCG
Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 2.51 acres
3.5 Trial Top Width at Spillway Invert ft
67Trial Top Length at Spillway Invert ft
3 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
17 Bottom Width ft
49 Bottom Length ft
833 Bottom Area ft2
4605 Actual Volume ft3 Okay
2345 Actual Surface Area ft2 Okay
6 Trial Weir Length ft
b5 Trial Depth of Flow ft
6.4 Spillway Capacity cfs
2 Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1-�5 Orifice Size (1/4 inch increments)
3.06 Dewatering Time (days)
Suggest about 3 days
� 67'
35'
F&TIM
Okay
5'
Bottom = 620.50
_ jqp = 625.00
Weir = 624.00
Water = 623.50
3
Skimmer Basin #19
Okay
4.34 Disturbed Area (Acres)
10.69 Peak Flow from 10-year Storm (cfs)
7812 Required Volume ft3
3475 Required Surface Area ft2
41.7 Suggested Width ft
83.4 Suggested Length ft
05/07/19 PAS
62MWater Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 4.34acres
42.Trial Top Width at Spillway Invert ft
89 Trial Top Length at Spillway Invert ft
3 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
24 Bottom Width ft
70 Bottom Length ft
1680 Bottom Area ft2
7902 Actual Volume ft3 Okay
3696 Actual Surface Area ft2 Okay
AjTrial Weir Length ft
Trial Depth of Flow ft
11.7 Spillway Capacity cfs Okay
1-5 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
1 75, Orifice Size (1/4 inch increments)
3.12 Dewatering Time (days)
Suggest about 3 days
N7S
Skimmer Basin #20
Okay
2.85 Disturbed Area (Acres)
8 0$ Peak Flow from 10-year Storm (cfs)
5130 Required Volume ft3
2627 Required Surface Area ft2
36.2 Suggested Width ft
72.5 Suggested Length ft
05/07/19 PAS
616 Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 3.28 acres
40'Trial Top Width at Spillway Invert ft
68 Trial Top Length at Spillway Invert ft
21 Trial Side Slope Ratio Z:1
3. Trial Depth ft (2 to 3.5 feet above grade)
28 Bottom Width ft
56 Bottom Length ft
1568 Bottom Area ft2
6360 Actual Volume ft3 Okay
2720 Actual Surface Area ft2 Okay
8 Trial Weir Length ft
0.8 Trial Depth of Flow ft
8.5 Spillway Capacity cfs
21 Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1-2$ Orifice Size (1/4 inch increments)
3.48 Dewatering Time (days)
Suggest about 3 days
� 68'
40'
NT5
Okay
5'
Bottom = 613.00
i op = 617.50
Weir = 616.50
Water = 616.00
Skimmer Basin #21
Okay
2.46 Disturbed Area (Acres)
6.06 Peak Flow from 10-year Storm (cfs)
4428 Required Volume ft3
1970 Required Surface Area ft2
31.4 Suggested Width ft
62.8 Suggested Length ft
03/19/19 KCG
617 5.1 Water Surface Elev,
Q10= C I A= .35 x 7.04 in/hr x 2.46 acres
32 Trial Top Width at Spillway Invert ft
63 Trial Top Length at Spillway Invert ft
2, Trial Side Slope Ratio Z:1
3. ! Trial Depth ft (2 to 3.5 feet above grade)
20 Bottom Width ft
51 Bottom Length ft
1020 Bottom Area ft2
4482 Actual Volume ft3 Okay
2016 Actual Surface Area ft2 Okay
44 Trial Weir Length ft
Trial Depth of Flow ft
6.4 Spillway Capacity cfs
21 Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1. 5.Orifice Size (1A inch increments)
3.00 Dewatering Time (days)
Suggest about 3 days
63'
32'
1
NTS
Okay
5'
Bottom = 614.50
,r
Tod = 619.00
Weir = 618.00
Water = 617.50
1
r
Skimmer Basin #22
Okay
1,39 Disturbed Area (Acres)
3.42 Peak Flow from 10-year Storm (cfs)
2502 Required Volume ft3
1113 Required Surface Area ft2
23.6 Suggested Width ft
47.2 Suggested Length ft
03/19/19 KCG
601 Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 1.39 acres
V/
25 Trial Top Width at Spillway Invert ft
!ti'Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3. Trial Depth ft (2 to 3.5 feet above grade)
13 Bottom Width ft
38 Bottom Length ft
494 Bottom Area ftz
2544 Actual Volume ft3 Okay
1250 Actual Surface Area ftz Okay
4 Trial Weir Length ft
0.5 Trial Depth of Flow ft
4.2 Spillway Capacity cfs
1.5 Skimmer Size (inches)
0.125 Head on Skimmer (feet)
1 Orifice Size (1/4 inch increments)
3.06 Dewatering Time (days)
Suggest about 3 days
NTS
Okay
5'
Bottom = 604.00
_ Top = 608.50
Weir = 607.50
Water = 607.00
1
Skimmer Basin #23
Okay
Q-15. Disturbed Area (Acres)
15.15 Peak Flow from 10-year Storm (cfs)
11070 Required Volume ft3
4925 Required Surface Area ft2
49.6 Suggested Width ft
99.2 Suggested Length ft
05/02/19 PAS
MB Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 6.15 acres
50, Trial Top Width at Spillway Invert ft
106 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
38 Bottom Width ft
88 Bottom Length ft
3344 Bottom Area ft2
12444 Actual Volume ft3 Okay
5000 Actual Surface Area ft2 Okay
16. Trial Weir Length ft
0 5 Trial Depth of Flow ft
17.0 Spillway Capacity cfs
3 Skimmer Size (inches)
0.25 Head on Skimmer (feet)
115 Orifice Size (1/4 inch increments)
3.13 Dewatering Time (days)
Suggest about 3 days
50'
NTT
Okay
5'
Bottom = 602.00
Tv� = 606.50
Weir = 605.50
Water = 605.00
i
Skimmer Basin #24
Okay
6,65.1 Disturbed Area (Acres)
16;39 Peak Flow from 10-year Storm (cfs)
11970 Required Volume ft3
5325 Required Surface Area ft2
51.6 Suggested Width ft
103.2 Suggested Length ft
05/02/19 PAS
- 623. Water Surface Elev,
Q10= C I A= .35 x 7.04 in/hr x 6.65 acres
5.0 Trial Top Width at Spillway Invert ft
107 Trial Top Length at Spillway Invert ft
2,Trial Side Slope Ratio Z:1
.3 Trial Depth ft (2 to 3.5 feet above grade)
38 Bottom Width ft
95 Bottom Length ft
3610 Bottom Area ft2
13368 Actual Volume ft3 Okay
5350 Actual Surface Area ft2 Okay
16-Trial Weir Length ft
0:5 Trial Depth of Flow ft
17.0 Spillway Capacity cfs
® Skimmer Size (inches)
0.25 Head on Skimmer (feet)
®Orifice Size (1/4 inch increments)
3.38 Dewatering Time (days)
Suggest about 3 days
107'
50'
UTI&I
Okay
Skimmer &17
(Irie.�esl
15
7
2.5
4
5'
Bottom = 620.00
Top = 624.50
Weir = 623.50
Water = 623.00
2
Skimmer Basin #25
Okay
Disturbed Area (Acres)
Peak Flow from 10-year Storm (cfs)
2880 Required Volume ft3
1281 Required Surface Area ft2
25.3 Suggested Width ft
50.6 Suggested Length ft
05/02/19 PAS
635 Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 1.60 acres
5 Trial Top Width at Spillway Invert ft
Trial Top Length at Spillway Invert ft
Trial Side Slope Ratio Z:1
Trial Depth ft (2 to 3.5 feet above grade)
13 Bottom Width ft
44 Bottom Length ft
572 Bottom Area ft2
2886 Actual Volume ft3 Okay
1400 Actual Surface Area ft2 Okay
4 Trial Weir Length ft
Mj''I Trial Depth of Flow ft
4.2 Spillway Capacity cfs
W 2,.! Skimmer Size (inches)
0.167 Head on Skimmer (feet)
1 Orifice Size (1/4 inch increments)
3.05 Dewatering Time (days)
Suggest about 3 days
25'
NTS
2
1�
56`
Okay
5'
Bottom = 632.00
Top _ 636.50
Weir = 635.50
Water = 635.00
1
Skimmer Basin #26
Okay
£:79 Disturbed Area (Acres)
16.7.3 Peak Flow from 10-year Storm (cfs)
12222 Required Volume ft3
5437 Required Surface Area ftz
52.1 Suggested Width ft
104.3 Suggested Length ft
05/02/19 PAS
Water Surface Blev.
Q10= C I A= .35 x 7.04 in/hr x 6.79 acres
53 Trial Top Width at Spillway Invert ft
1-05 Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3. Trial Depth ft (2 to 3.5 feet above grade)
41 Bottom Width ft
93 Bottom Length ft
3813 Bottom Area ftz
13995 Actual Volume ft3 Okay
5565 Actual Surface Area ftz Okay
16 Trial Weir Length ft
6.5 Trial Depth of Flow ft
17.0 Spillway Capacity cfs
3; Skimmer Size (inches)
0.25 Head on Skimmer (feet)
1.75, Orifice Size (1 /4 inch increments)
3.46 Dewatering Time (days)
Suggest about 3 days
53'
NTS
2
105'
Okay
5kirnmcr Sipe
(inches
1.5
2
2.5
3
4
6
�3
5'
Bottom = 615.00
Top = 619.50
Weir = 618.50
------------
Water = 618.00
-------2
Skimmer Basin #27
Okay
3:33' Disturbed Area (Acres)
8-121 Peak Flow from 10-year Storm (cfs)
5994 Required Volume ft3
2667 Required Surface Area ft2
36.5 Suggested Width ft
73.0 Suggested Length ft
05/02/19 PAS
612Water Surface Elev.
Q10= C I A= .35 x 7.04 in/hr x 3.33 acres
34: Trial Top Width at Spillway Invert ft
.90, Trial Top Length at Spillway Invert ft
2 Trial Side Slope Ratio Z:1
3 Trial Depth ft (2 to 3.5 feet above grade)
22 Bottom Width ft
68 Bottom Length ft
1496 Bottom Area ft2
6252 Actual Volume ft3 Okay
2720 Actual Surface Area ft2 Okay
8 Trial Weir Length ft
Q.5 Trial Depth of Flow ft
8.5 Spillway Capacity cfs
3' Skimmer Size (inches)
0.25 Head on Skimmer (feet)
1'.25 Orifice Size (1/4 inch increments)
3.32 Dewatering Time (days)
Suggest about 3 days
34'
NTS
2
1[
80'
Okay
5'
Bottom = 619.00
Top = 623.50
Weir = 622.50
Water = 622.00
21