While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell. Ability to design, fabricate, install, operate, troubleshoot, and repair plumbing and pumping systems using PVC, CPVC, polyethylene, FRP, copper and black iron pipe.