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8640
CERTIFIED WELDER
Nature of Work
Under general supervision, at the full-performance level, an
employee in this class specializes in fabricating, welding,
cutting and installing steel in the repair and renovation of
highway maintenance equipment or construction of bridges. Work
may be performed under hazardous conditions and in inclement
weather on high steel structures. An hourly rate of pay is
assigned to this class. Performs related work as required.
Examples of Work
Repairs or constructs bridges with fabricated steel by welding
using electric metal arc welding equipment according to
American Welding Society Standards (AWS).
Repairs highway maintenance equipment and vehicles using gas
and electrical welders, torches and other welding equipment.
Welds metal re-bar or piling together to strengthen concrete
forms or extend-welds metal re-bar or piling together to
strengthen concrete forms or extend pilings in the erection
of new bridges.
Cuts and grinds structural steel using acetylene gas cutting
torches and power grinders.
Climbs high steel structures to perform welding tasks on metal
bridge components.
Separates weld seams using power hammers and hand hammers to
prepare for rewelding.
Adjusts pressure gauges on acetylene or gas cutting torches to
assure proper operation for smooth cutting of metals.
Lays out plans according to specifications for cutting metals
used in repairing high steel structure bridges.
Checks work area periodically for presence of volatile gases
and toxic fumes.
Maintains welding equipment, checks pressure gauges and valves
to ensure adherence to safety procedures.
Repairs equipment in the field by welding metal components
together to allow continued operation of machinery.
Inspects work for accuracy and completeness according to plans
and specifications.
Knowledge, Skills and Abilities
Knowledge of the nomenclature, use and maintenance of welding
equipment and cutting tools.
Knowledge of acetylene, propane and other gases,
characteristic dangers and uses with welding and cutting
equipment.
Knowledge of welding rod specifications as outlined by
American Welding Society (AWS).
Knowledge of basic mathematics.
Knowledge of melting temperatures of various metals used in
bridge maintenance repair.
Knowledge of materials, design and assembly procedures used in
welding.
Ability to read and layout plans.
Ability to cut and fit metal component in the rebuilding or
repair of equipment or high steel structures.
Ability to regulate fuel pressure gauges on gas welding and
cutting equipment.
Ability to climb high steel structures.
Ability to operate welding equipment used in highway bridge
maintenance.
Ability to follow oral and written instructions.
Ability to maintain effective working relationship with
others.
Minimum Qualifications
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Training:
Certification as a welder by the American Welding
Society, the American Petroleum Institute or the American
Society of Mechanical Engineers.
Substitution:
Three years of full-time or equivalent part-time
paid experience in welding.
SPECIAL REQUIREMENT: The applicant must become certified in
welding by the Department of Highways Materials Control,
Soil and Testing Division after hire.
AND
A Commercial Driver's License may be required after
employment.
NOTE: Preference in appointment may be shown to applicants
possessing a valid certification as a welder by the American
Welding Society, the American Petroleum Institute or the
American Society of Mechanical Engineers.
Established: 5/17/83
Revised: 10/04/83, 4/10/84, 12/18/87, 12/9/91
Effective:
1/6/92