Although a specific length of time and experience is not required for most trade and labor occupations, you must 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 quality of experience, not necessarily the length of time.
Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the job elements and screen out listed below.
The Screen-out Element for this position is: THE ABILITY TO DO THE WORK OF A PLUMBER WITHOUT MORE THAN NORMAL SUPERVISION INCLUDING: 1) Installing, modifying, and repairing plumbing systems.(eg., sewage, water, oil, air, and gas distribution systems, water closets, tubs, backflow, prevention devices/assemblies, fire sprinkler systems, and showers); 2) Determining equipment, tools, and parts needed for plumbing repair work; 3) Reviewing blueprints, building plans, or specifications to determine plumbing work details or procedures.
Additional qualification information can be found from the following Office of Personnel Management website:
https://www.opm.gov/policy-data-oversight/classification-qualifications/federal-wage-system-qualifications/#url=WG-4200
Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.