Senior Drafting Technician

Under direction, performs the more difficult, responsible drafting
work involved in preparation of drawings, maps, charts, graphs,
sketches, and plans and/or takes the lead over one or more drafting
technicians; does other related duties as required.

NOTE: The examples of work for this title are for illustrative
purposes only. A particular position using this title may not perform
all duties listed in this job specification. Conversely, all duties
performed on the job may not be listed. From written specifications of the new width of a proposed roadway,
makes all necessary revisions to a complete set of drawings, including
dimensions and notes, for a highway construction project.

From a layout and manual reference, prepares several views of a simple
gear system and obtains data on dimensions, tolerances, and so forth
from the manual and by measuring the layout.

Prepares isometric diagrams from sketches of a plumbing or electrical
wiring system of a small building such as a single family residence.

Updates compilation sheets of underground utilities in a geographic
area.

Reviews drawing of new underground line proposals by utility
companies.

Plots new underground lines on compilation sheet to check for
interference with any existing lines; where interference exists and
need changes are minor, recommends alternative position.

Determines arrangement and prepares drawings of printed circuit boards
from electronic schematics, information as to maximum size, and
manuals giving dimensions of standard parts.

From precedents, drafting standards, and established practices,
prepares final construction drawings for floodgates, dams, bridges,
culverts, channel excavation, and dikes.

Prepares boring profiles, typical cross-section, and profiles.

Delineates related topographic details as required.

Plots maps/charts showing profiles and cross-sections indicating
relation of topographical contours and elevations to buildings,
retaining walls, tunnels, overhead power lines, and other structures.

Drafts detailed drawings of structures and installations such as
roads, culverts, and fresh water supply and sewage disposal systems.

Computes volume of tonnage of excavations and fills and prepares
graphs and hauling diagrams used in earthmoving operations.

May accompany survey crew in field to locate grading markers or
to collect data required for revision of construction drawings.

Draws plans and details of structures showing foundations, building
frame, floor and roof framing, structural reinforcing steel, concrete,
masonry, wood, and other structural material and elements.

Drafts electrical equipment working drawings and wiring diagrams
used by construction crews and repairers who erect, install, and repair
electrical equipment/wiring in communications centers, power plants,
or electrical distribution systems.

Gives instructions and advice to other drafting technicians.

May train new drafting technicians.

May prepare cost estimates for various projects.

Will be required to learn to utilize various types of electronic
and/or manual recording and information systems used by the agency,
office, or related units. One (1) year of drafting experience.

Knowledge of drafting techniques and instruments used in preparing
detailed sketches, drawings, charts, and plans.

Knowledge of procedures for reducing, enlarging, tracing, lettering,
and filing of maps, charts, sketches, graphs, and plans.

Knowledge of symbols, standards, and terminology used in drafting
work.

Ability to analyze complex drafting problems.

Ability to understand, remember, and carry out oral and written
directions.

Ability to learn quickly from written and oral explanations and from
demonstrations.

Ability to prepare engineering and/or architectural drawings that are
neat, accurate, and logically arranged utilizing methods/techniques
of drafting.

Ability to make mathematical computations using standard
tables/formulas.

Ability to give instructions, advice, and guidance to other employees.

Ability to utilize various types of electronic and/or manual recording
and information systems used by the agency, office, or related units.

Ability to read, write, speak, understand, and communicate in English
sufficiently to perform duties of this position. American Sign
Language or Braille may also be considered as acceptable forms of
communication.

Persons with mental or physical disabilities are eligible as long as
they can perform essential functions of the job after reasonable
accommodation is made to their known limitations. If the accommodation
cannot be made because it would cause the employer undue hardship,
such persons may not be eligible.