Mechanical, electrical, and plumbing (MEP) refers to the aspects of building design and construction., MEP design is important for design decision-making, accurate documentation, performance and cost-estimation, construction planning, managing and operating the resulting facility.
Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing fixtures, tanks, and other apparatuses to convey fluids. ... Boilermakers and pipefitters are not plumbers, although they work with piping as part of their trade, but their work can include some plumbing.
Mechanical system, Any building service using machines. They include plumbing, elevators, escalators, and heating and air-conditioning systems.