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e-CFR data is current as of March 3, 2021

Amendment


49 CFR--PART 192

View Printed Federal Register page 86 FR 2238 in PDF format.

Amendment(s) published January 11, 2021, in 86 FR 2238

Effective Dates: Mar. 12, 2021

7. In §192.121:

a. In the first sentence of paragraph (a), remove the words “Design formula. Design formulas for plastic pipe are” and add in their place the words “Design pressure. The design pressure for plastic pipe is”;

b. In paragraph (c)(2) introductory text add the words “on or” after the word “produced”;

c. Revise paragraphs (c)(2)(iii) and (iv), and (d)(2)(iv);

d. In paragraph (e) introductory text add the words “on or” after the word “produced”; and

e. Revise paragraph (e)(4).

The revisions read as follows:

§192.121   Design of plastic pipe.

*   *   *   *   *

(c) *  *  *

(2) *  *  *

(iii) The pipe has a nominal size (IPS or CTS) of 24 inches or less; and

(iv) The wall thickness for a given outside diameter is not less than that listed in table 1 to this paragraph (c)(2)(iv).

Table 1 to Paragraph (c)(2)(iv)

PE pipe: minimum wall thickness and SDR values
Pipe size
(inches)
Minimum wall thickness
(inches)
Corresponding SDR
(values)
12 CTS0.0907
12 IPS0.0909.3
34 CTS0.0909.7
34 IPS0.09511
1 CTS0.09911
1 IPS0.11911
1 14 IPS0.15111
1 12 IPS0.17311
20.21611
30.25913.5
40.26517
60.31521
80.41121
100.51221
120.60721
160.76221
180.85721
200.95221
221.04821
241.14321

(d) *  *  *

(2) *  *  *

(iv) The minimum wall thickness for a given outside diameter is not less than that listed in table 2 to paragraph (d)(2)(iv):

Table 2 to Paragraph (d)(2)(iv)

PA-11 pipe: minimum wall thickness and SDR values
Pipe size
(inches)
Minimum wall thickness
(inches)
Corresponding SDR
(values)
12 CTS0.0907.0
12 IPS0.0909.3
34 CTS0.0909.7
34 IPS0.09511
1 CTS0.09911
1 IPS0.11911
1 14 IPS0.15111
1 12 IPS0.17311
2 IPS0.21611
3 IPS0.25913.5
4 IPS0.33313.5
6 IPS0.49113.5

(e) *  *  *

(4) The minimum wall thickness for a given outside diameter is not less than that listed in table 3 to paragraph (e)(4).

Table 3 to Paragraph (e)(4)

PA-12 pipe: minimum wall thickness and SDR values
Pipe size
(inches)
Minimum wall thickness
(inches)
Corresponding SDR
(values)
12 CTS0.0907
12 IPS0.0909.3
34 CTS0.0909.7
34 IPS0.09511
1 CTS0.09911
1 IPS0.11911
1 14 IPS0.15111
1 12 IPS0.17311
2 IPS0.21611
3 IPS0.25913.5
4 IPS0.33313.5
6 IPS0.49113.5

*   *   *   *   *

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