LAC 51:XIII.1501. General Requirements

A. See Note (a) Place | Loading | Daily Average Flow Gallons per Day | Daily Average BOD5 Pounds per Day | Design Basis Apartments | 250 | 0.425 | one bedroom Apartments | 300 | 0.52 | two bedroom Apartments | 400 | 0.68 | three bedroom Assembly | Note (b) | 2 | 0.0034 | per seat Bowling Alleys (no food service) | Note (b) | 75 | 0.13 | per lane Churches | Note (b) | 5 | 0.0088 | per sanctuary seat Churches (with permitted kitchens) | Note (c) | 10 | 0.017 | per sanctuary seat Country Clubs | 50 | 0.085 | per member Dance Halls | Note (b) | 2 | 0.0034 | per person Drive-In Theaters | 5 | 0.0085 | per car space Factories (no showers) | 20 | 0.051 | per employee Factories (with showers) | 35 | 0.06 | per employee Food Service Operations Ordinary Restaurant (not 24 hour) | 35 | 0.12 | per seat 24-hour Restaurant | 50 | 0.17 | per seat Banquet Rooms | 5 | 0.017 | per seat Restaurant Along Freeway | 100 | 0.33 | per seat Curb Service (drive-in) | 50 | 0.17 | per car space Bar, Cocktail Lounges, Taverns (no food service or very little food service) | 25 | 0.084 | per seat (with regular food service) | 35 | 0.12 | per seat Video Poker Machine | 100 | 0.20 | per machine Fast Food Restaurants | 40 | 0.13 | per seat Hotel/Motel Food Service | 45 | 0.17 | per room Homes/Mobile Homes in Subdivisions | 400 | 0.68 | per dwelling Individual Homes/Mobile Homes (where individual sewage technology is utilized. For each additional bedroom add 100 gpd) | 250 | 0.425 | one bedroom Individual Homes/Mobile Homes (where individual sewage technology is utilized. For each additional bedroom add 100 gpd) | 300 | 0.51 | two bedrooms Individual Homes/Mobile Homes (where individual sewage technology is utilized. For each additional bedroom add 100 gpd) | 400 | 0.68 | three bedrooms Hospitals (no resident personnel) | Note (c) | 200 | 0.51 | per bed Institutions (residents) | Note (c) | 100 | 0.25 | per person Municipalities | 100 | 0.17 | per person Mobile Home Parks up to 5 trailer spaces | 400 | 0.68 | per mobile home space 6 trailer spaces or more | 300 | 0.51 | per mobile home space Motels | Note (b) | 100 | 0.12 | per unit Nursing and Rest Homes | Note (c) | 100 | 0.25 | per patient 100 | 0.17 | per resident employee Office Buildings | 20 | 0.051 | per employee Recreational Vehicle Dumping Stations | Consult OPH Recreational Vehicle Parks and Camps | 125 | 0.21 | per trailer or tent space Retail Store | 20 | 0.034 | per employee Schools―Elementary | Note (c) | 15 | 0.038 | per pupil Schools―High and Junior High | Note (c) | 20 | 0.051 | per pupil Retail Fuel Stations (Located on major highways, etc., and whose primary function is to provide fuel and service to motor vehicles) | Note (d) | 250 | 0.43 | per individual vehicle fueling point (up to the first four) Retail Fuel Stations (Located on major highways, etc., and whose primary function is to provide fuel and service to motor vehicles) | 125 | 0.21 | for each additional individual vehicle fueling point Shopping Centers (no food service or laundries) | 0.2 | 0.00034 | per square foot of floor space Swimming Pool (including employees) | 10 | 0.017 | per swimmer Showers | 20 | 0.04 | per shower Vacation Cottages | 50 | 0.12 | per person Youth and Recreation Camps | Note (c) | 50 | 0.12 | per person Washing Machines | 400 | 1.34 | per machine 1. Note (a) If loading criteria other than presented here are used, they should be justified. 2. Note (b) Food Service waste not included. 3. Note (c) Food Service waste included but without garbage grinders. 4. Note (d) Vehicle fueling points are an arrangement of gasoline or diesel fuel pumps to serve automobiles or other vehicles. For the purposes of these guidelines, a vehicle fueling point is one that serves a vehicle at one time. Food service waste not included. Note: Design calculations for sewage treatment facilities must be made based on both hydraulic loading(s) and organic loading(s). Final design of facility to be used upon the larger capacity (size) required by these calculations. B. Figures 1. Methods of Making Percolation Tests 2. Typical Layout of Absorption Trench 3. Absorption Field System for Sloping Ground 4. Absorption Trench and Lateral Details 5. Typical Layout: Septic Tank/Oxidation Pond System 6. Oxidation Pond Timber Retaining Wall Details 7. Oxidation Pond Concrete Block Retaining Wall Details 8. Leveed Oxidation Pond 9. Typical Layout: Septic Tank/Sand Filter Bad System 10. Sand Filter Bed Details 11. Chlorinator 12. Effluent Reduction Tankage 13. Effluent Reduction Field 14. Rock Plant 15. Spray Irrigation Schematic 16. Overland Flow 17. Mounds 18. Drip Disposal System 19. Pumping Chamber for Effluent Reduction