Treatment Works Sewer Connection Form - Rahway Valley Sewerage Authority Page 3

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Design Flow Calculation Listing Cont’d.
Type of Establishment
Measurement Unit
Gallons Per Day
Institutions (includes staff)
Hospitals
Bed
175
Assisted living facility
Bed
100
Skilled nursing facility
Bed
75
Other institutions
Bed
125
Schools (includes staff)
No shower or cafeteria
Student
10
With cafeteria
Student
15
With cafeteria and showers
Student
20
With cafeteria, showers and laboratories
Student
25
Boarding
Student
75
Automobile service stations
Per Filling Position
125
Service bays
Per Bay
50
Mini-market
Sq. Ft.
0.100
Miscellaneous
Office buildings (gross area)
Sq. Ft.
0.100
Stores and shopping centers (gross area)
Sq. Ft.
0.100
Factories/Warehouses (add process wastewater)
Employee
25
Factories/Warehouses with showers, (add process wastewater)
Employee
40
Laundromats
Per Machine
580
Bowling alleys
Alley
200
Picnic Parks (restrooms only)
Person
10
Picnic Parks with showers
Person
15
Fairgrounds (based upon average attendance)
Person
5
Assembly halls
Seat
3
Airports (based on passenger use)
Passenger
3
Churches (worship area only)
Seat
3
Theater (indoor)
Seat
3
Dinner theater
Seat
20
Catering/Banquet Hall
Person
20
Sports stadium
Seat
3
Visitor Center
Visitor
5
Multi-member swimming pool
Person
15
(b) Flow for facilities that have combined uses shall be determined by the summation of all appropriate projected
flow values for each use.
(c) The Department recognizes that the table in (a) above may not cover all establishments and facilities, and in
particular facilities that require an industrial treatment works approval. In the event that a facility is not covered, the
applicant shall propose the projected flow based upon operation of similar facilities or best professional judgment.
The Department reserves the right to accept, modify or deny the proposed flow values.
Attachment to RVSA Sewer Application
5/1/11 - jg
-2-

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