Knowledge and familiarity with an array of commercial laundry, kitchen and cooking equipment; facility pipe systems, fixtures, appurtenances associated with potable and non-potable water, natural gas, steam, hot water, chilled water, air, sewage and storm water drainage - This knowledge must be sufficient to allow the incumbent to determine if the systems are being properly utilized, installed, serviced and maintained in the most economical and safe manner. The function of this branch is to install, repair and perform scheduled maintenance on a variety of kitchen equipment and facility infrastructure plumbing systems such as natural gas piping, potable water systems, back-flow prevention, non-potable water systems (e.g., sprinkler systems), hot water heaters, hot and chilled water systems.