Westlands Water District

Fresno, CA

Mechanical Maintenance Worker

Bargaining Unit: Miscellaneous Non-Supervisory Unit
Salary Code: 16
Fair Labor Standards Act Designation: Nonexempt
Effective Date: October 1, 2023

GENERAL DESCRIPTION:

Under general supervision of the Senior Mechanical Maintenance Worker, performs and may direct a crew performing construction, maintenance, fabrication, and repair work on water distribution and drainage systems and related equipment. Mechanical Maintenance Worker is a skilled level classification.

EXAMPLES OF WORK PERFORMED:

The information below is meant to serve as examples of the job duties and responsibilities for this classification. This list is neither inclusive nor exclusive, but indicative of several types of duties performed.

  1. Troubleshoots, disassembles, diagnoses, repairs, reassembles, and assists in manufacturing parts for vertical and horizontal pumps; butterfly, check, gate, and air valves; water delivery meters; traveling water screens; electrical and hydraulic components of valve actuators; and other mechanical facilities.
  2. Utilizes motor control panels to manipulate distribution systems to isolate equipment during inspections and repairs.
  3. Inspects, removes, and reinstalls, vertical pumps, horizontal pumps, motors varying in size up to 7,000 horsepower (HP), gate and check valves, traveling water screens; and inspects, repairs, replaces, or upgrades butterfly valves, pressure-reducing valves, sleeve valves, gate valves, check valves, and air release valves.
  4. Operates material-handling equipment, including one-ton capacity truck-mounted cranes, forklifts, arc and gas welding equipment, and hand and power tools, including portable equipment.
  5. Balances vertical pumps by stress relieving, shimming, trimming, filing, counter-weighting and dynamic balancing.
  6. Handles arc welding, brazing, and torch-cutting equipment.
  7. Sandblasts and applies protective coatings and molecular materials.
  8. Reads, comprehends, and follows procedures for confined space entry, hazardous materials use, crane and heavy equipment safety.
  9. Assists in the development and implementation of maintenance programs for pumping plants.
  10. Assists other departments with various tasks, including set-up, operation and maintenance of machinery and piping fabrication.
  11. Performs other duties as assigned.

CLASSIFICATION REQUIREMENTS:

Education and Experience

Any combination of equivalent education and experience that has led to the acquisition of the knowledge required by the position. A typical way of acquiring the knowledge would be:

Possess a United States’ high school diploma or General Equivalency Diploma GED, and four (4) years of experience performing a variety of duties related to mechanical maintenance of vertical and horizontal pumps or a large pumping plant facility; or any combination thereof.

Note: One (1) year experience as an Operations and Maintenance Trainee with Westlands Water District will substitute for two (2) years of the required experience.

Note: Recruitment may be limited to candidates with an education or experience background related to the specific position vacancy.

Knowledge of:

  • Principles, methods, materials, tools, and equipment used in the installation, operation, maintenance, and modification of mechanical, and hydraulic systems.
  • The operation of folding or telescoping truck-mounted cranes up to one-ton capacity and overhead shop cranes up to 6-ton capacity.
  • The operation and maintenance of pneumatic and hydraulically operated valves and controls.
  • Load lifting and rigging techniques.
  • Principles, methods, techniques, tools, and equipment used in a water distribution and drainage system..
  • The use and operation of arc and gas welding and cutting equipment.

Skills/Abilities to:

  • Apply knowledge, techniques, and materials employed in construction, maintenance, and repair of water distribution systems.
  • Follow and prepare oral and written instructions.
  • Safely operate and maintain assigned tools and equipment.
  • Read and interpret maps, engineering drawings, diagrams, sketches, plans and specifications.
  • Communicate effectively.
  • Perform basic record maintenance of work performed.
  • Establish and maintain effective interpersonal relationships at all organizational levels as well as with the public.
  • Operate a District vehicle and/or equipment, observing legal and defense driving practices.

LICENSE, CERTIFICATE, OR CREDENTIAL

Depending on assignment, must be certified by the National Commission for the Certification of Crane Operators (NCCCO) within twelve (12) months of assignment.

WORKING CONDITIONS

  • Heavy lifting of supplies and materials up to 100 pounds.
  • Use of hazardous materials.
  • Possess the physical strength and agility to work outdoors under adverse climatic conditions.
  • Work in an environment with exposure to dust, dirt, and/or weed abatement chemicals.
  • May stoop, kneel, crouch, crawl, climb, reach, sit, stand, and walk for extended period of time.
  • Possess the physical characteristics to perform the critical and important duties of the job, including the ability to climb stationary ladders up to 100 feet in height, work suspended above ground level (approximately 45 feet) in a bosun chair or aerial lift, and work in confined spaces such as in excavations (approximately 20 feet below ground level), buried dewatered pipelines and manifolds (ranging in size from 3 feet to 13 feet in diameter), and dewatered sumps and turnout facilities (approximately 30 feet below ground level).

STANDARD REQUIREMENTS

  • Possess a valid California Class C Driver’s License with a driving record acceptable to the District’s automobile insurance provider.
  • Depending on assignment, possession of a valid California Class A Driver’s License with air brake endorsements must be obtained within twelve (12) months of assignment along with a driving record acceptable to the District’s automobile insurance provider.