I have always thought that 5x plus 250 lbs requirement was for hanger assemblies that aren't listed, or include non-listed components. Otherwise, the listing of each component determines the max. listed weight.
James On Friday, July 1, 2016, Greg McGahan <[email protected]> wrote: > I have spent hours researching various methods of hanging CPVC to concrete > slabs.Other than a traditional drop in anchor and all thread rod, there is > not really a viable alternative. > > Points of interest: > > 1) removing the bonnet from a hang ring voids the listing. > 2) Hanger rings without the bonnet (from the factory) are not listed for > cpvc > 3) One hole straps cannot be used to hang pipe upside down from the slab. > 4) Two hole straps cannot be attached with 3/8" bolts or rods without > modification to the hole size - which voids the listing. > 5) Two hole straps cannot be hung with powder driving pins in post tension > slabs because there is a max hanger depth of 3/4" - the highest rating we > found was exactly 125 lbs...so even with 2 of them you do not meet the "250 > lbs plus 5x the weight of the water filled pipe" requirement. > > It would seem that we are well behind the times in addressing this issue > as an industry. Just noting.... > > > > > Greg McGahan > Living Water Fire Protection, LLC <http://www.livingwaterfp.com> > 1160 McKenzie Road > Cantonment, FL 32533 > 850-937-1850 > fax 850-937-1852 >
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