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•• 762 GENERAL MAINTENANCE MECHAN:EC II NATURE OF WORK This is skilled and occasionally superv±~~ry work involving the application of skills and practices of more than one trade in the mainten--ance, repair and installation of mechanical and structural facilities . Work involves the responsibility for perfo'Ji:ming maintenance and repair work on machinery and buildings, including work of a complex nature of projects of signi ficant size . The work in.volves skilled tasks in more than one trade. Work is normally performed under .~:en:eral supervision, and these employees may act as assistants to the maintenance foreman. Assignments are normally received through written or oral instructions .g_i' through discussion with supervisors and operating personnel . Work requires some independent judgment and usually involves supervision of other maintenance mechanics, semi-skilled or unskil~ed laborers. EXAMPLES OF WORK: PERFORMED Inspects and diagnoses faulty operation of large air handling equip· Removes and replaces valves, pump ~ earings, strainers, and motor shafts. Installs water, steam andCchemical pipe~. Installs and repairs automati c~- chemical. feed machines . Welds and solders t~bes, pipes and support f~c,Ulles. "'·"'·,.,Piagnoses electrical circuit malfunctions and repairs high pole lights . Repairs and adjusts electric and hydraulic doors and gate operating equipnent . Ferforms r elated work a s r equired. ment . DESIRABLE KNCWLEDGE, SKI LLS AND ABILITIES Working knowledge of the tools , p~inciples and practices of the main. temtnce t faqe.s,· including carpentry, plumbi ng , electricity, air- conditi oni ng, weldi ng , ·s t eamf i tti ng, painti ng, and masonry . Considerable knowledge ~f:':.:t:i1eq ija:zar.<is and saf et y pr ecauti ons of t he trades rel at ed to the ,posi tion. , < Ability t o interpret work from sketches, bl ueprints , and written di r ections . Abi l ity to supervise skilled and unskil led persoruiel. Skill i n the use of: ha.rld t ools. DESI RABLE TRAINING AND EXPERIENCE Graduation from a trade of vocat i onal school; consider able experience in construction ~ 'maintenance work; or any equivalent combination of t raining and exper i'~nce . �