HomeMy WebLinkAboutScentsy South Campus Drainage Calculations_Page_3_Page_03PROJECT: SCENTSY CDC WARE 2
DATE: 11-11-14
_AS 1, 2 &3
Drainage Area =
44080.00 ft2
Runoff Volume =
3288 ft'
15% Sediment Storage =
493 ft3
age Volume Required =
3781 ft' Use this volume for # of MC -3500
Void Ratio =
40.00 %
Percolation Rate =
8.00 in/hr
Trench Width =
12.00 ft
Trench Depth =
8.00 ft
Storage/ft =
Void Ratio * Depth * Width
=
38.40 ft2
Sidewall Perc/ft =
Depth * 2sides * Perc Rate
=
10.7 ft2
Endwall Perc =
Sidewall Perc * Width
=
128.0 ft'
Length Required =
Storage Volume - Endwall Perc
Storage/ft + Sidewall Perc/ft
=
74 ft
tle Separation
de Width =
oat Area =
Peak flow 100 YR
)city through throat
A
For Drainage areas 1
1000.00 gallon
12.00 in
48.00 in
Baffle * Width
4.00 ft2
1.83 cfs
0.46 ft/sec Less than 0.50 fps ok
1- 1000 gallon grease traps Use baffle spacing of 12"
CK Engineering, PC
860 Headwaters Dr. Eagle, ID 83616
(208) 869-0590