Chlorinated polyvinyl chloride (CPVC) SDR 11.
Omaha Municipal Code § 49-806
in effectSec. 49-806. - Chlorinated polyvinyl chloride (CPVC) SDR 11.
Generally, CPVC may be used for potable water as permitted in section 49-555 All joints shall be socket type employing solvent cements and meet the following:
(a) Chlorinated polyvinyl chloride (CPVC) shall conform to ASTM D 2846.
(b) Rigid vinyl compounds with a Cell Class of 24448 or Cell Class 23447 for pipe and Cell Class 23447 for fittings as required per ASTM D1784.
(c) Joints shall be made with solvent cement, orange in color conforming to ASTM F 493.
(d) CPVC shall not be co-mingled, inserted or mixed with other materials except as illustrated in Figure 49-806(d) for lawn sprinkler systems.
(e) Shall only be used above ground.
(f) CPVC 90 degree ells shall not be used at the point of connection for a shower arm or tub spout. The piping from the shower or tub valve to the shower head and tub spout shall be copper pipe and fittings.
(g) There shall be a minimum of 12 inches from the connection to a water heater to any CPVC piping.
(h) Support:
(1) Horizontal pipe: CPVC pipe shall be supported individually at intervals not to exceed 32 inches with minimum clear spacing of three inches between parallel lines.
(2) Vertical pipe: CPVC pipe shall be supported individually at intervals not to exceed 48 inches with a minimum clear spacing of three inches between parallel lines.
(i) Thermal expansion:
(1) Support the pipe according to subsection (h) above, but do not rigidly restrain the pipe at branches or change of direction.
(2) Do not anchor pipe rigidly in walls. All holes shall be adequately sized to allow for free movement.
(3) Table 49-806(i), below, provides expansion loop requirements. (See Figure 49-806(i)(3)).
(4) There shall not be any branches connected to the expansion loop.
_____
Table 49-806(i)
Length of Run (feet)
10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110
½ | A | 13.9 | 19.7 | 24.0 | 28.0 | 31.0 | 34.0 | 37.0 | 39.5 | 42.0 | 44.0 | 46.0
B | 3.0 | 4.0 | 5.0 | 6.0 | 6.2 | 6.8 | 7.4 | 7.9 | 8.4 | 8.8 | 9.2
¾ | A | 16.5 | 24.0 | 28.5 | 33.0 | 37.0 | 40.5 | 43.5 | 46.5 | 49.5 | 52.0 | 54.5
B | 3.5 | 5.0 | 6.0 | 7.0 | 7.4 | 8.1 | 8.7 | 9.3 | 9.9 | 10.4 | 10.9
1 | A | 18.5 | 26.5 | 32.5 | 37.5 | 42.0 | 46.0 | 49.5 | 53.0 | 56.0 | 59.0 | 62.0
B | 4.0 | 5.5 | 7.0 | 8.0 | 8.4 | 9.2 | 9.9 | 10.6 | 11.2 | 11.8 | 12.4
1¼ | A | 20.5 | 29.0 | 36.0 | 41.5 | 46.0 | 50.5 | 54.5 | 58.5 | 62.0 | 65.5 | 68.5
B | 4.1 | 5.8 | 7.2 | 8.3 | 9.2 | 10.1 | 10.9 | 11.7 | 12.4 | 13.1 | 13.7
1½ | A | 22.5 | 32.0 | 39.0 | 45.0 | 50.5 | 55.0 | 59.5 | 63.5 | 67.5 | 71.0 | 75.0
B | 4.5 | 6.4 | 7.8 | 9.0 | 10.1 | 11.0 | 11.9 | 12.7 | 13.5 | 14.2 | 15.0
2 | A | 25.5 | 36.5 | 44.5 | 51.5 | 57.5 | 63.0 | 68.0 | 72.5 | 77.0 | 81.0 | 85.0
B | 5.1 | 7.3 | 8.9 | 10.3 | 11.5 | 12.6 | 13.6 | 14.5 | 15.48 | 16.2 | 17.0
ΔT of 130°F, for CPVC.
A and B are in inches.
_____
(Ord. No. 40524, § 1, 10-20-15; Ord. No. 42654, § 27, 8-13-21)
Source: City of Omaha, Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/ne/omaha/codes/code_of_ordinances?nodeId=OMMUCOCHGEORVOII_CH49PL_ARTVIIIQUWEINMA_S49-806CHPOCHCPSD11Fetched: 10/28/2026