La. Admin. Code tit. 43 § XIII-925

Current through Register Vol. 50, No. 9, September 20, 2024
Section XIII-925 - Design of Copper Pipe [49 CFR 192.125]
A. Copper pipe used in mains must have a minimum wall thickness of 0.065 inches (1.65 millimeters) and must be hard drawn. [ 49 CFR 192.125(a)]
B. Copper pipe used in service lines must have wall thickness not less than that indicated in the following table. [ 49 CFR 192.125(b)]

Standard Size Inch (millimeter)

Nominal O.D. Inch (millimeter)

Wall Thickness Inch (millimeter)

Nominal

Tolerance

1/2 (13)

.625 (16)

0.040 (1.06)

0.0035 (0.0889)

5/8 (16)

.750 (19)

0.042 (1.07)

0.0035 (0.0889)

3/4 (19)

.875 (22)

0.045 (1.14)

0.004 (0.102)

1 (25)

1.125 (29)

0.050 (1.27)

0.004 (0.102)

1 1/4 (32)

1.375 (35)

0.055 (1.40)

0.0045 (0.1143)

1 1/2 (38)

1.625 (41)

0.060 (1.52)

0.0045 (0.1143)

C. Copper pipe used in mains and service lines may not be used at pressures in excess of 100 psi (689 kPa) gauge. [ 49 CFR 192.125(c)]
D. Copper pipe that does not have an internal corrosion resistant lining may not be used to carry gas that has an average hydrogen sulfide content of more than 0.3 grains/100 ft3 (6.9/m3) under standard conditions. Standard conditions refers to 60oF and 14.7 psia (15.6oC and one atmosphere) of gas. [ 49 CFR 192.125(d)]

La. Admin. Code tit. 43, § XIII-925

Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:223 (April 1983), amended LR 10:515 (July 1984), LR 18:855 (August 1992), LR 27:1539 (September 2001), LR 30:1232 (June 2004).
AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.