In order to qualify, you must meet the quality level of experience requirements described in the Office of Personnel Management (OPM) Qualification Standards Handbook X-118C. QUALIFICATIONS: Applicants will be rated in accordance with the OPM Qualification Standard Handbook X-118C for the WG-5300 Industrial Equipment Maintenance Group. Although a specific length of time and experience is not required for most blue-collar positions, you must meet any screen-out element listed, and show through experience and training that you possess the quality level of knowledge and skill necessary to perform the duties of the position at the level for which you are applying. Qualification requirements emphasis is on the quality of experience, not necessarily the length of time. The screen out element for this position is ability to do the work of a WG-5306 AIR CONDITIONING EQUIPMENT MECHANIC without more than normal supervision JOB ELEMENTS: Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the following areas: 1. Knowledge of the principles and theories of air conditioning and refrigeration and properties of refrigerants. Knowledge of the construction and operation of a variety of large commercial and complex industrial systems. 2. Knowledge of safety regulations, practices, and procedures. 3. Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators. Skill in maintaining difficult balances of a variety of refrigerant controls and complicated motor controls. 4. Skill in troubleshooting complex problems on large projects applying prescribed test procedures and equipment. 5. Skill in the use of hand tools, power tools, and a variety of test equipment. 6. Ability to interpret instructions, specifications, etc. (including blueprint reading). Physical Effort: The employee lifts, carries, and handles equipment up to 50 pounds unassisted and over 50 pounds with assistance. Works from ladders, scaffolding platforms, or cramped areas where equipment, parts, or tools are hard to reach. Work requires frequent stooping, stretching, bending, kneeling, and working in tiring, uncomfortable positions for long periods. In addition, work involves frequent movement and maneuvering of large, heavy equipment using hoists, holders, and pulleys as required. Working Conditions: The employee works indoors and outdoors, on elevated structures, and in cramped areas. Subject to discomfort from face masks or other protective devices when there is a possibility of exposure to toxic refrigerants, noxious gases, fumes, or acids. Subject to possible burns from refrigerants. Works near moving parts of equipment and machinery, energized electrical circuits, sharp metal edges, loud noises, and toxic fumes, which could cause cuts, burns, and respiratory ailments. May be subject to sudden and frequent temperature changes. PART-TIME OR UNPAID EXPERIENCE: Credit will be given for appropriate unpaid and or part-time work. You must clearly identify the duties and responsibilities in each position held and the total number of hours per week. VOLUNTEER WORK EXPERIENCE: Refers to paid and unpaid experience, including volunteer work done through National Service Programs (i.e., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community; student and social). Volunteer work helps build critical competencies, knowledge and skills that can provide valuable training and experience that translates directly to paid employment.You will receive credit for all qualifying experience, including volunteer experience.