This individualized, competency-based study guide is designed to assist teacher-coordinators supervising cooperative education programs for plumber's helpers in providing students with general information for immediate reinforcement on the job and developing an understanding of the job prior to employment. A progress chart is provided to allow the instructor to pinpoint student progress. Contents include study guide objectives, suggested teaching procedures for the coordinator, answers to assignment sheets, answers to test, eight information sheets, and eight assignment sheets. Topics covered are occupational introduction; safety; tool and equipment safety; fire safety; steel and copper pipe and fittings; plastic pipe and fittings; drain, waste, and vent lines; and fixtures and valves. An eight-part test is provided at the end of the study guide. (YLB)