Hangers and rods.
Omaha Municipal Code § 49-820
in effectSec. 49-820. - Hangers and rods.
All piping support methods shall maintain piping alignment and prevent sagging. Hangers, clamps, supports, etc., shall comply with Manufacturer's Standardization Society of the Valve and Fitting Industry (MSS) Standard Practices and shall be of sufficient strength to support the weight of the pipe and its contents. Piping shall be isolated from incompatible materials (i.e. dissimilar metals). The pipe shall not be hung, clamped or supported from other pipes or the rod that supports them. No other items or system can be supported from the plumbing piping or its supports.
Except as otherwise indicated, factory fabricated pipe hangers, clamps, and supports, etc., shall be compliant with the following (MSS) standard practices:
(a) MSS SP-58; Pipe Hangers and Supports - Materials, Design and Manufacture.
(b) MSS SP-69; Pipe Hangers and Supports - Selection and Application.
(c) MSS SP-89; Pipe Hangers and Supports - Fabrication and Installation Practices.
(d) MSS SP-90; Guidelines on Terminology for Pipe Hangers and Supports.
Hanger rod sizes shall be at least as shown in Table 49-820 below:
Table 49-820
Hanger Rod Sizes
Pipe Size (inches) | Rod Size (inches)
½ to 4 | ⅜
5 to 6 | ½
8 to 12 | ⅝
14 and larger | Sized by a licensed structural engineer
(e) Plumbing piping hanger allowable forces.
All pipe hanger connections to structure should be designed to accommodate the maximum loads in Table 49-822(e) below:
Table 49-822(e)
Rod Size | Maximum load (lbs)
¼" | 240
⅜" | 610
½" | 1130
⅝" | 1810
¾" | 2710
⅞" | 3770
(Ord. No. 40524, § 1, 10-20-15)
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_S49-820HAROFetched: 10/28/2026