These requirements only apply when slots are provided in angles. 'Do these requirements apply to manufactured slotted material such as Unistrut? The answer to that is also no. Michael, according to a Sprinkler Age article by Tom Wellen of AFSA's Tech Services Dept. The requirement for trapeze hangers matches the requirement for the building structure found in 9.2.1.3.1.' The safety factor of five is used in the traditional listing requirements for hangers and is also found in the performance-based criteria of 9.1.1.2(1).

Other types of hangers are generally required to be able to support five times the weight of the water-filled piping plus 250lb. 'A trapeze hanger, as shown in Exhibit 9.2, must be capable of supporting the weight of the water-filled piping plus 250lbs. I'm thinking my last go around with this was a shared support situation (see 9.1.1.3.1.1 13-16 Ed.), but in a sprinkler only assembly I probably lost an argument.Īttachments from structure to Unistrut & the Unistrut to the pipe does require the 5x per 9.1.1.7.5 but the actual Unistrut only needs to comply with 9.2.1.3.1 20-1007.Dave - Na.call me out, I'm gonna get it wrong (and I did so nice catch) and I'm fine with it (wish I could edit the statement above so others don't read and apply things incorrectly - ahem.Joe? wish list for the forum). Pipe Prop adjustable pipe support system has been proven and tested from coast to coast. They trust Pipe Prop to carry heavy loads while still withstanding some of the most severe and destructive weather conditions from Florida to California. In fact, it’s so reliable, contractors in Miami-Dade County, FL, use the Pipe Prop exclusively. The pipe support system load-testing results below show why architects and contractors consider Pipe Prop the Professional’s Choice™ for pipe supports. – an outstanding feat for a product weighing only 0.5 lbs! Obviously, big innovation does come in small packages. Proven results show the Pipe Prop can safely hold anywhere from 2,130 lbs.

Whether or not glue was used during assembly.

The variables or pipe support system l oad factors we included in our product testing were: We tested the Pipe Prop to see just how much weight it can handle under various conditions without buckling, cracking, or showing signs of deterioration. Pipe Prop Load Factors How Much Weight Can the Pipe Prop Hold?

How much weight can a unistrut hold