UpCodes logo
Go To Full Code Chapter
NOTE: For test frequency, see Unexposed Portions of Pistons
Piston rods of roped water-hydraulic elevators shall be exposed, thoroughly cleaned, and examined for wear or corrosion. The piston rods shall be replaced if at any place the diameter is less than the root diameter of the threads (Item 5.11). Pressure Vessels
Pressure vessels shall be checked to determine conformance with the applicable requirements, thoroughly cleaned, internally examined, and then subjected to a hydrostatic test at 150% of the working pressure for 1 min (3.24.4) (Item 2.33).

Related Code Sections

1705.13 Special Inspections and Tests, Special Inspections for Seismic Resistance
assigned to Seismic Design Category C, D, E or F, periodic special inspection shall be required for both: Welding operations of elements of the seismic ...