7358-Pattern Maker

Job description

SAN FRANCISCO CIVIL SERVICE COMMISSION

CLASS TITLE: PATTERNMAKER CODE: 7358

DEFINITION

Under general supervision, the 7358 Pattern Maker performs skilled work in connection with the fabrication, alteration, maintenance and repair of a variety of patterns for the manufacture of castings.

DISTINGUISHING FEATURES

The 7358 Pattern Maker is distinguished from 7344 Carpenter by the former�s responsibility to manufacture and maintain patterns of objects to be cast and special wooden parts.

SUPERVISION EXERCISED

None.

EXAMPLES OF IMPORTANT AND ESSENTIAL DUTIES

According to Civil Service Commission Rule 109, the duties specified below are representative of the range of duties assigned to this job code/class and are not intended to be an inclusive list.

1. Designs, lays out and constructs simple or intricate patterns from blueprints, sketches or models; calculates shrinkage of metal and alloys.

2. Repairs and corrects broken or damaged pattern equipment to compensate for defects in castings; replaces, repairs, and transports pattern parts, materials, and equipment throughout the city.

3. Maintains pattern tools, shop machinery, and equipment.

4. Constructs wood and metal pattern tools, machinery, equipment, and castings.

5. Constructs, repairs and alters wood and metal patterns and core boxes.

6. Makes filing cabinets and office equipment.

7. Reviews specifications for new machinery or equipment, including estimating labor, parts, and related costs.

8. Constructs and repairs fire department ladders, tools, special wooden parts for cable cars and antique street cars, plaques, and other equipment according to specifications.

9. Inspects and provides quality control over castings delivered by vendors.

KNOWLEDGE, SKILLS, AND ABILITIES

Knowledge of: Pattern making methods and practices, including design, fabrication, and maintenance techniques; safety practices which include workplace safety, safe operation of pattern making tools and equipment, and proper handling of materials; the use of pattern making tools and equipment; pattern making materials which include various types of woods, metals and alloys, plasters and plastics

Ability or Skill to: Design, lay out and make simple or intricate patterns; calculate shrinkages for various types of metals and alloys; work from blueprints, drawings, sketches, samples or oral instructions; communicate verbally in a clear and effective manner; maintain effective working relationships; use pattern making tools, materials and equipment safely.

MINIMUM QUALIFICATIONS

These minimum qualifications establish the education, training, experience, special skills and/or license(s) which are required for employment in the classification. Please note, additional qualifications (i.e., special conditions) may apply to a particular position and will be stated on the exam/job announcement.

Education:

Possession of a high school diploma or equivalent (GED or High School Proficiency Examination).

Experience:

Two (2) years of experience in pattern making. Experience must include interpreting blueprints and drawings, calculating shrinkages or dimensions and laying out, and constructing and maintaining wooden or metal patterns and replicated shapes.

License and Certification:

Possession of a valid Class C driver�s license at time of appointment.

Substitution:

Completion of a recognized pattern making apprenticeship program may substitute for the two (2) years of experience in pattern making.

SUPPLEMENTAL INFORMATION

Nature of work requires: continuous close attention and working within very close tolerances; some physical effort and considerable manual dexterity; exposure to working conditions where minor and major injuries may occur.

PROMOTIVE LINES

ORIGINATION DATE:

AMENDED DATE:

8/14/25

REASON FOR AMENDMENT:

To accurately reflect the current tasks, knowledge, skills & abilities, and minimum qualifications.

BUSINESS UNIT(S):

COMMN SFMTA

Standard information

Disaster service work

All City and County of San Francisco employees are designated Disaster Service Workers through state and local law (California Government Code Section 3100-3109). Employment with the City requires the affirmation of a loyalty oath to this effect. Employees are required to complete all Disaster Service Worker-related training as assigned, and to return to work as ordered in the event of an emergency.

Historic and future compensation