O-2003-2642 - Laserfiche WebLink

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e e Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be substantially constructed, watertight, and equipped with easily removable covers which when bolted in place, shall be gas tight and watertight. Grease and oil and sand interceptors shall be maintained by the person or permittee, at their expense, in continuously efficient operation at all time. 14.2 Interceptor Sizing A. Restaurants: HR ( D ) x ( GL) x ( ST ) X ( 2 ) x (LF) = Gallon Capacity Where: D = Number of seats in dining areas. GL = Gallons of waste water per meal (2.5) ST = Storage Capacity Factor (1.7) HR = Number of hours open LF = Loading Factor 1.8 Freeways and Recreational Areas 0.8 Main Highways 0.5 Other highways B. Nursing, Homes, Day Cares ( M ) x ( GL ) x ( ST ) x ( LF) = Gallon Capacity Where: M = Meal per day GL= Gallons of waste water per meal (2.5) ST = Storage Capacity Factor (1.7) LF = Loading Factor 1.25 garbage disposal and dishwashing 1.0 without garbage disposal .75 without dishwashing .05 without dishwashing and garbage disposal. C. Within sixty (60) days from the date of this ordinance, any person discharging or desiring to discharge an industrial mixture into the public sewers of the City, or any sewer connected, shall provide and maintain in a suitable, accessible position on the permittee's premises, or such premises occupied by the permittee, a sample well or manhole near the outlet of sewer, drain, pipe, channel, or connection to the sewer or sewage works of the City. Each such manhole or sample well shall be of such construction and design which will prevent infiltration by ground waters 38