Performs necessary repairs to plumbing and steam lines, electrical repairs, wiring, fixtures and equipment, furniture, doors and windows, hardware and machines of various kinds such as lawn mowers, Installs racks, exhaust hoods and blowers in laboratories; Installs shelving, storage cabinets and new hardware; Services and repairs overhead doors (replaces Torsion springs, stretch springs, cables, pulleys, tracks, panels and related parts); Performs minor plastering repairs and masonry repairs including glass block replacements; Performs minor painting jobs and refinishes furniture; Performs simple repairs to furnaces, air ducts and operating maintenance machinery; Installs, replaces and repairs various types of locks; May be required to drive to and from work sites; May be required to maintain mobile warehouse with related equipment to maintain warehouse; May be required to operate electronic equipment to enter work orders, purchase orders and supplies; Performs related duties as required. (A) Graduation from a vocational/technical high school in one of the skilled building trades: carpentry, caulking, electrical, glazier, masonry, mechanical, plumbing and one year of full-time experience in one of the skilled building trades: carpentry, caulking, electrical, glazier, masonry, mechanical, painting, plastering, plumbing (proof of education must be presented at time of filing application); or, (B) Three years of full-time experience in one of the skilled building trades (carpentry, caulking, electrical, glazier, masonry, mechanical, painting, plastering, plumbing); or, (C) Four years of full-time experience as a helper to one of the skilled building trades (carpentry, caulking, electrical, glazier, masonry, mechanical, painting, plastering, plumbing).