The document is the third of a series, to be integrated with a G.E.D. program, containing instructional materials at the basic skills level for the construction cluster. The volume focuses on plumbing and consists of 20 instructional units which require a month of study. The units include: (1) importance of plumbing; (2) pipe and tubing connection; (3) blueprint reading and measuring tools; (4) blueprint reading and power tools; (5) systems design and testing equipment; (6) systems design, testing, and fitting; (7) systems design and materials used; (8) residential sewage systems; (9) cold water distribution systems and residential floor plans; (10) heating systems; (11) boilers and chimneys; (12) heat; (13) hot water heating systems; (14) selection and installation of fire lines; (15) leadwork and flanges; (16) transits; (17) on-the-job work aids; (18) private disposal systems; (19) railing work, repair, and storm information for the teacher: aim, instructional aids, equipment, primary references, introduction and motivation, a presentation of integrated concepts, application, evaluation criteria guidelines, summary, suggested time and sequence listing, and supplemental references and resource materials. A bibliography and resource list are included. (EC)