MEP works represent the mechanical, electrical, and plumbing systems that make buildings functional, comfortable, and safe. These systems are the “nervous system” of any structure, providing heating, cooling, ventilation, lighting, power, water supply, drainage, and fire protection. Mechanical systems include HVAC (heating, ventilation, and air conditioning) which controls indoor temperature, humidity, and air quality. This involves chillers, boilers, air handling units, ductwork, fans, and thermostats. Electrical systems cover power distribution from the main utility connection to circuit breakers, wiring, outlets, lighting fixtures, emergency backup generators, uninterruptible power supplies, and low-voltage systems such as data networks, security cameras, and fire alarms. Plumbing systems include water supply pipes bringing potable water to sinks, showers, toilets, and appliances, as well as drainage pipes removing wastewater. Plumbing also covers gas piping for stoves or water heaters, and stormwater drainage. MEP design requires careful coordination because these systems often share limited space in ceilings, walls, and shafts. Conflicts between ductwork, pipes, and electrical conduits must be resolved before installation. Modern MEP works increasingly incorporate energy efficiency through LED lighting, smart controls, variable frequency drives, and water-saving fixtures. Building Information Modeling (BIM) is commonly used to visualize and coordinate MEP systems in 3D. Companies like ASAS Built provide MEP works that comply with building codes, safety standards, and client specifications, ensuring that buildings are comfortable, efficient, and safe.