Louisiana Administrative Code
Title 51 - PUBLIC HEALTH-SANITARY CODE
Part XIV - Plumbing
Chapter 18 - Appendices
Section XIV-1807 - Appendix C - Illustrations [formerly Appendix J - Illustrations]

Universal Citation: LA Admin Code XIV-1807

Current through Register Vol. 50, No. 3, March 20, 2024

A. The following figures have been included to aid in interpreting this code. The figures are not to be construed as superseding the written text, but merely to illustrate. The various methods indicated diagrammatically do not limit other configurations of design of plumbing, soil, waste and vent systems, water piping, accessories, etc., when in compliance with the written text. It is further suggested that the users of these illustrations refer to the appropriate Sections and standards regarding any of the figures to avoid misunderstanding.

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Figure 1 - Combination Waste and Vent System

NOTE: A combination waste and vent system is considered an alternate designed plumbing system and requires special approval of the plans and specifications, etc., by the state health officer prior to construction. Refer to the provisions contained in Chapter 12 of this code for any alternate designed plumbing system.

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Figure 2 - Distances Permitted in a Combination Waste and Vent System

NOTE: A combination waste and vent system is considered an alternate designed plumbing system and requires special approval of the plans and specifications, etc., by the state health officer prior to construction. Refer to the provisions contained in Chapter 12 of this code for any alternate designed plumbing system.

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Figure 3 - Bathtub and Chemical Mixing Tank Illustrations

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Figure 4 - Access to Built-In Water Heater

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Figure 5 - Examples of Back Siphon Backflow Protection

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Figure 6 - Examples of Proper and Improper Backflow Protection

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Figure 7 - Typical Sewer Manhole

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Figure 8 - Floor Drain Trap Primer Detail

Alternate Grease Trap Sizing Formula

Number of Meals Per Peak Hour1

x

Waste Flow Rate2

x

Retention Time3

x

Storage Factor4

=

Interceptor Size (liquid Capacity)

1. Meals Served at Peak Hour

2. Waste Flow Rate

a. With dishwashing machine

6 gallon (22.7 L) flow

b. Without dishwashing machine

5 gallon (18.9 L) flow

c. Single service kitchen

2 gallon (7.6L) flow

d. Food waste disposer

1 gallon (3.8L) flow

3. Retention Times

Commercial kitchen waste dishwasher

2.5 hours

Single service kitchen single serving

1.5 hours

4. Storage Factors

Fully equipped commercial kitchen

8 hour operation: 1.0

16 hour operation: 2.0

24 hour operation: 3.0

Single Service Kitchen

1.5

Figure 9 - Alternate Grease Trap Sizing Formula

Grease Trap Minimum Capacity WITHOUT Garbage Grinder

Retail Food

Institutions

Grease Trap Size (gallons)

Retail Food

Institutions

Grease Trap Size (gallons)

Usable Square Footage (ft2)1

Estimated People or Meals Served2

Usable Square Footage (ft2)1

Estimated People or Meals Served2

Less than 1,001

Up to 50

125

10,401-10,600

521-530

1,325

1,001-1,200

51-60

150

10,601-10,800

531-540

1,350

1,201-1,400

61-70

175

10,801-11,000

541-550

1,375

1,401-1,600

71-80

200

11,001-11,200

551-560

1,400

1,601-1,800

81-90

225

11,201-11,400

561-570

1,425

1,801-2,000

91-100

250

11,401-11,600

571-580

1,450

2,001-2,200

101-110

275

11,601-11,800

581-590

1,475

2,201-2,400

111-120

300

11,801-12,000

591-600

1,500

2,401-2,600

121-130

325

12,001-12,200

601-610

1,525

2,601-2,800

131-140

350

12,201-12,400

611-620

1,550

2,801-3,000

141-150

375

12,401-12,600

621-630

1,575

3,001-3,200

151-160

400

12,601-12,800

631-640

1,600

3,201-3,400

161-170

425

12,801-13,000

641-650

1,625

3,401-3,600

171-180

450

13,001-13,200

651-660

1,650

3,601-3,800

181-190

475

13,201-13,400

661-670

1,675

3,801-4,000

191-200

500

13,401-13,600

671-680

1,700

4,001-4,200

201-210

525

13,601-13,800

681-690

1,725

4,201-4,400

211-220

550

13,801-14,000

691-700

1,750

4,401-4,600

221-230

575

14,001-14,200

701-710

1,775

4,601-4,800

231-240

600

14,201-14,400

711-720

1,800

4,801-5,000

241-250

625

14,401-14,600

721-730

1,825

5,001-5,200

251-260

650

14,601-14,800

731-740

1,850

5,201-5,400

261-270

675

14,801-15,000

741-750

1,875

5,401-5,600

271-280

700

15,001-15,200

751-760

1,900

5,601-5,800

281-290

725

15,201-15,400

761-770

1,925

5,801-6,000

291-300

750

15,401-15,600

771-780

1,950

6,001-6,200

301-310

775

15,601-15,800

781-790

1,975

6,201-6,400

311-320

800

15,801-16,000

791-800

2,000

6,401-6,600

321-330

825

16,001-16,200

801-810

2,025

6,601-6,800

331-340

850

16,201-16,400

811-820

2,050

6,801-7,000

341-350

875

16,401-16,600

821-830

2,075

7,001-7,200

351-360

900

16,601-16,800

831-840

2,100

7,201-7,400

361-370

925

16,801-17,000

841-850

2,125

7,401-7,600

371-380

950

17,001-17,200

851-860

2,150

7,601-7,800

381-390

975

17,201-17,400

861-870

2,175

7,801-8,000

391-400

1,000

17,401-17,600

871-880

2,200

8,001-8,200

401-410

1,025

17,601-17,800

881-890

2,225

8,201-8,400

411-420

1,050

17,801-18,000

891-900

2,250

8,401-8,600

421-430

1,075

18,001-18,200

901-910

2,275

8,601-8,800

431-440

1,100

18,201-18,400

911-920

2,300

8,801-9,000

441-450

1,125

18,401-18,600

921-930

2,325

9,001-9,200

451-460

1,150

18,601-18,800

931-940

2,350

9,201-9,400

461-470

1,175

18,801-19,000

941-950

2,375

9,401-9,600

471-480

1,200

19,001-19,200

951-960

2,400

9,601-9,800

481-490

1,225

19,201-19,400

961-970

2,425

9,801-10,000

491-500

1,250

19,401-19,600

971-980

2,450

10,001-10,200

501-510

1,275

19,601-19,800

981-990

2,475

10,201-10,400

511-520

1,300

19,801-20,000

991-1,000

2,500

1 Retail establishments expected to serve more meals than estimated by usable sq ft shall install the larger size grease trap.

2 Estimated # of people or meals served is the # of persons or meals served during the largest meal period.

Figure 10 - Grease Trap Sizing Chart (Without Garbage Grinder)

Grease Trap Minimum Capacity WITH Garbage Grinder

Retail Food

Institutions

Grease Trap Size (gallons)

Retail Food

Institutions

Grease Trap Size (gallons)

Usable Square Footage (ft2)1

Estimated People or Meals Served2

Usable Square Footage (ft2)1

Estimated People or Meals Served2

Less than 1,001

Up to 50

500

10,401-10,600

521-530

1,700

1,001-1,200

51-60

525

10,601-10,800

531-540

1,725

1,201-1,400

61-70

550

10,801-11,000

541-550

1,750

1,401-1,600

71-80

575

11,001-11,200

551-560

1,775

1,601-1,800

81-90

600

11,201-11,400

561-570

1,800

1,801-2,000

91-100

625

11,401-11,600

571-580

1,825

2,001-2,200

101-110

650

11,601-11,800

581-590

1,850

2,201-2,400

111-120

675

11,801-12,000

591-600

1,875

2,401-2,600

121-130

700

12,001-12,200

601-610

1,900

2,601-2,800

131-140

725

12,201-12,400

611-620

1,925

2,801-3,000

141-150

750

12,401-12,600

621-630

1,950

3,001-3,200

151-160

775

12,601-12,800

631-640

1,975

3,201-3,400

161-170

800

12,801-13,000

641-650

2,000

3,401-3,600

171-180

825

13,001-13,200

651-660

2,025

3,601-3,800

181-190

850

13,201-13,400

661-670

2,050

3,801-4,000

191-200

875

13,401-13,600

671-680

2,075

4,001-4,200

201-210

900

13,601-13,800

681-690

2,100

4,201-4,400

211-220

925

13,801-14,000

691-700

2,125

4,401-4,600

221-230

950

14,001-14,200

701-710

2,150

4,601-4,800

231-240

975

14,201-14,400

711-720

2,175

4,801-5,000

241-250

1,000

14,401-14,600

721-730

2,200

5,001-5,200

251-260

1,025

14,601-14,800

731-740

2,225

5,201-5,400

261-270

1,050

14,801-15,000

741-750

2,250

5,401-5,600

271-280

1,075

15,001-15,200

751-760

2,275

5,601-5,800

281-290

1,100

15,201-15,400

761-770

2,300

5,801-6,000

291-300

1,125

15,401-15,600

771-780

2,325

6,001-6,200

301-310

1,150

15,601-15,800

781-790

2,350

6,201-6,400

311-320

1,175

15,801-16,000

791-800

2,375

6,401-6,600

321-330

1,200

16,001-16,200

801-810

2,400

6,601-6,800

331-340

1,225

16,201-16,400

811-820

2,425

6,801-7,000

341-350

1,250

16,401-16,600

821-830

2,450

7,001-7,200

351-360

1,275

16,601-16,800

831-840

2,475

7,201-7,400

361-370

1,300

16,801-17,000

841-850

2,500

7,401-7,600

371-380

1,325

17,001-17,200

851-860

2,525

7,601-7,800

381-390

1,350

17,201-17,400

861-870

2,550

7,801-8,000

391-400

1,375

17,401-17,600

871-880

2,575

8,001-8,200

401-410

1,400

17,601-17,800

881-890

2,600

8,201-8,400

411-420

1,425

17,801-18,000

891-900

2,625

8,401-8,600

421-430

1,450

18,001-18,200

901-910

2,650

8,601-8,800

431-440

1,475

18,201-18,400

911-920

2,675

8,801-9,000

441-450

1,500

18,401-18,600

921-930

2,700

9,001-9,200

451-460

1,525

18,601-18,800

931-940

2,725

9,201-9,400

461-470

1,550

18,801-19,000

941-950

2,750

9,401-9,600

471-480

1,575

19,001-19,200

951-960

2,775

9,601-9,800

481-490

1,600

19,201-19,400

961-970

2,800

9,801-10,000

491-500

1,625

19,401-19,600

971-980

2,825

10,001-10,200

501-510

1,650

19,601-19,800

981-990

2,850

10,201-10,400

511-520

1,675

19,801-20,000

991-1,000

2,875

1 Retail establishments expected to serve more meals than estimated by usable sq ft shall install the larger size grease trap.

2 Estimated # of people or meals served is the # of persons or meals served during the largest meal period.

Figure 11 - Grease Trap Sizing Chart (With Garbage Grinder)

AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4(A)(7) and R.S. 40:5(2)(3)(7)(9)(16)(17)(20).

Disclaimer: These regulations may not be the most recent version. Louisiana may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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