HELPER A 1. Communicates with insulation team and others to perform job tasks. 2. Applies, removes, and repairs complex insulation on industrial equipment, pipes, ductwork, or other mechanical systems such as heat exchangers, tanks, and vessels. 3. Installs cryogenic insulation materials such as aerogel or cellular glass. 4. Covers, seals, or finishes insulated surfaces with vapor stops and sealants. 5. 6. Fabricates, fits, or wraps and applies insulation following design drawings and project specifications. 7. Reads and interprets isometric piping drawings and selects required insulation material. 8. Measures and cuts insulation, using tape measures, knives, and scissors or other measuring devices HELPER B 1. Communicates with insulation team and others to perform job tasks. 2. Applies, removes, and repairs basic insulation on industrial equipment, pipes, ductwork, or other mechanical systems such as heat exchangers, tanks, and vessels. 3. Installs hot and personnel protection insulation materials such as mineral wool or fiberglass. 4. Fabricates, fits, or wraps and applies insulation following design drawings and project specifications. 5. Measures and cuts insulation, using tape measures, knives, and scissors or other measuring devices. HELPER C 1. Communicates with insulation team and others to perform job tasks. 2. Participate in daily pre-job briefings and safety discussions. 3. Transports and stages material in the immediate work area for crew to install. 4. Performs housekeeping duties as direct by supervisor. 5. Perform material handling activities and housekeeping at heing on platforms or scaffolding. 6. Perform equipment spotter and flagger duties. 7. Act as confined space attendant or fire watch. 8. Fabricate insulation accessories under the supervision of the Shop Foreman