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UPC 2021 Table 313.3 Cast-iron hubless shielded coupling " every other joint, unless over 4 feet then support each joint ¹ ² ³ ⁴ " I would like to read your interpretation of this code. I've been told that the 4 foot piece still needs support, but wouldn't that piece be the "other" in...

Can I place two hammer arrestors in the locations marked in red for the whole run? Main is 2"

Yes under a lav.Its in a 1900 era building.Its a historical building an its now a charter school.They would like to keep it original.But i need to know what its called to see if i can find replacement parts for it.The guy who i usually go to for old parts like this couldn't help me,mainly cause...

Anyone know what this "contraption" called? This is under a lav.

I thought google was my friend but i get different stuff.I'm looking for reach requirements for ADA residental bathroom.Forward and side reach any help is much appreciated

Thanks that what i needed to hear

isnt this configuration the same? Which is better?

Gas cock wrong spot yeah i did it in a rush

I dont know how to post pictures.Not tech savvy beyond emails lol.But i come in at the top of the tee ,dirt leg below an then using the branch outlet to connect the equipment.

I have to do a 24 hour air pressure test but the pressure drops 4 psi overnight an part of the pipe is exposed to the cold elements.Is there a formula for finding how much my pressure could drop for every degree the outside air drops? Thanks all in advance

Yeah just checking with you all i got a pipefitter from pennsylvania telling me this.He cant plumb for ****

Is there anything in new mexico upc that says a sand interceptor vent cannot tie into sanitary sewer vent?

New Mexico. I cant find the part of code that states the distance from parapet wall.i want to say its 3 feet but my problem is i have to be 10 feet from the air intake that puts me up against the parapet wall.

Specifically the dirt tests.a person pounds a stake into the ground,then sticks a machine with another stake protruding from it clicks it on an bam water content an density.