Photo 1 for RFI 11.pdf

This is an image of an industrial plumbing or HVAC system installation, showing multiple pipes and valve assemblies mounted on a wall board. The system includes various copper and black iron pipes of different diameters arranged horizontally and vertically, with several ball valves equipped with blue handles and red shut-off tags positioned at key points along the piping runs. The valves appear to be labeled with specifications, and the installation includes both supply and return lines connected through a manifold-style arrangement. The pipes show evidence of being newly installed or recently worked on, with some markings visible on the surrounding wall surface. This type of system is typical in commercial or residential mechanical installations for water distribution, heating, or cooling applications.