Application of mechanical system concepts through on- and off-campus mechanical system construction projects. Advancement of trade experience and knowledge with real-life, practical, hands-on rigors. Course work includes continued study of plan reading and drawing, material and equipment selection and specification, system layout and installation, appliance start-up and operation, and utility maintenance and service performance. Actual job and material cost estimating is essential. Field trips to industry and product vendor demonstrations may be included. 3 Credits (0 Lecture - 9 Lab) Prerequisite(s): PLH112 or PLH113.