The occupational analysis contains a brief job description, presenting for the occupation of plumbing 12 detailed task statements which specify job duties (tools, equipment, materials, objects acted upon, performance knowledge, safety considerations/hazards, decisions, cues, and errors) and learning skills (science, mathematics/number systems, and communications). The 12 task statements cover the following performance duties: installing building sewer, installing building drains and storm sewers, installing and/or maintaining drain waste and vent systems, water supply systems, installing and/or maintaining domestic hot and cold water distribution systems, installing and/or maintaining gas and/or oil systems, installing and/or maintaining hydronic heating systems, installing and/or maintaining fire protection systems, installing and/or maintaining private sewer disposal systems, setting and/or repairing fixtures and fixture trim, and repairing plumbing fixtures and/or fixture trim. (JR)