Hanger and Supports Installation for Plumping Piping Works

This article is about Hanger and Supports Installation guidelines and material selection for Plumping Piping works in commercial buildings, plants and refinery projects related to Plumbing Engineering System as per international codes and standards.

Hanger and Supports Installation for Plumping Piping Works

1. All piping shall be supported in such a manner as to maintain its alignment, and prevent sagging.
2. Suspended Piping shall be supported at the intervals not to exceed those shown in the attached Table 3-2
3. Piping in the ground shall be laid on a firm bed for its entire length. Where support is otherwise provided, it shall be acceptable to Saudi Aramco
4. Plastic pipe shall be supported at each story or at a maximum interval of 10 ft (3.0 m), and on either side of a tee or wye at horizontal takeoff points. Pressure piping shall be adequately blocked to prevent horizontal displacement from the vertical.
5. cPVC pressure pipe shall be suspended on hangers or supported on fixed brackets. Fixed brackets shall be used at changes in direction or piping size.
6. Metallic pipe supported by metallic hangers of different type shall be electrically insulated.
7. Hangers and anchors shall be of metal of sufficient strength. Plumber’s strap or equal stainless steel strap may be used as residential straps and hangers.
8. The minimum hanger width for plastic pipe shall be 2 in (50 mm). Wire or banding material is prohibited.
9. RTR (Fiberglass) pressure pipe shall be supported in accordance with the manufacturers’ recommendations
10. Valves and similar appurtenances shall be supported independently of the nonmetallic piping system.
11. Other approved nonmetallic pipe shall be supported per the Manufacturers’ recommendations, or as may be determined by the Chairman of Plumbing and Utilities Standards Committee.
12. All gas piping shall be supported by metal straps or hooks not to exceed those shown in the attached Table 3-2
13. Hanger rod sizes shall be no smaller than those shown on the table below (Table 3-1)
14. 

UNIFORM PLUMBING CODE TABLE 3.2