Does the code limits the length of a longitudinal weld in circular ducting? For example, if I have a 42 ft long duct, 20 ft diameter. The duct will be supplied to the site in 3 longitudinal sections (each section 42 ft long). At site, the 3 sections will be field welded longitudinally.
Does...
Is there a code reference for the required frequency for testing grout at site? For example, once a day .. etc.
The grout will be used at the column base.