Sanitary flow data for service station/convenience store needed 1

[dln001]

I'm looking for sanitary flow data for service station/convenience stores. Any help would be greatly appreciated.

 

[LHA]

It's always a judgement call, and very site specific. It sounds like you may have a blend of some or all of the following, codified for PA, USA, but #'s are very typical of other places. Start here:

Per Pennsylvania Code
changes effective through 35 Pa.B. 1322 (February 12, 2005).
TITLE 25
ENVIRONMENTAL PROTECTION
CHAPTER 73. STANDARDS FOR ONLOT SEWAGE
TREATMENT FACILITIES
§ 73.17. Sewage flows.
Source:

http://www.pacode.com/secure/data/025/chapter73/s73.17.html

Type of Establishment
Commercial Gallons/Unit/day BOD/day
Stores (per public toilet) 400 2
Bus service areas not including food (per patron and employe) 5 0.02
Restaurants (toilet and kitchen wastes per patron) 10 0.06
Restaurants (kitchen and toilet wastes, single-service utensils/person) 8.5 0.03

Engineering is the practice of the art of science - Steve