La. Admin. Code tit. 51 § XIII-1501

Current through Register Vol. 50, No. 9, September 20, 2024
Section 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

300

0.52

two bedroom

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

300

0.51

two bedrooms

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)

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

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2. Typical Layout of Absorption Trench

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3. Absorption Field System for Sloping Ground

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4. Absorption Trench and Lateral Details

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5. Typical Layout: Septic Tank/Oxidation Pond System

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6. Oxidation Pond Timber Retaining Wall Details

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7. Oxidation Pond Concrete Block Retaining Wall Details

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8. Leveed Oxidation Pond

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9. Typical Layout: Septic Tank/Sand Filter Bad System

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10. Sand Filter Bed Details

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11. Chlorinator

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12. Effluent Reduction Tankage

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13. Effluent Reduction Field

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14. Rock Plant

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15. Spray Irrigation Schematic

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16. Overland Flow

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17. Mounds

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18. Drip Disposal System

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19. Pumping Chamber for Effluent Reduction

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La. Admin. Code tit. 51, § XIII-1501

Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 28:1362 (June 2002).
AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4(A)(6) and R.S. 40:5(9)(20).