(D) x (GL) x (HR/2) x (LF) = size of grease trap in gallons
|
Where:
| ||||
D
|
=
|
Number of seats in dining area
| ||
GL
|
=
|
Gallons of wastewater per meal (5 gallons/EPA)
| ||
ST
|
=
|
Storage capacity factor
| ||
Minimum 1.7
| ||||
Maximum 2.5
| ||||
HR
|
=
|
Number of hours open
| ||
LF
|
=
|
Loading factor
| ||
1.25 Interstate freeway
| ||||
1.0 Other freeways
| ||||
1.0 Recreational areas
| ||||
0.8 Main highways
| ||||
0.5 Other highways
|
(M) x (GL) x (ST) x (2.5) x (LF) = size of grease trap in gallons
|
Where:
| ||||
M
|
=
|
Meals per day
| ||
GL
|
=
|
Gallons of wastewater per meal (4.5 gallon/EPA)
| ||
ST
|
=
|
Storage capacity factor
| ||
Minimum 1.7
| ||||
Maximum 2.5
| ||||
LF
|
=
|
Loading factor
| ||
1.25 garbage disposal and dishwasher
| ||||
1.0 without garbage disposal
| ||||
0.75 without dishwashing
|