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Air Force Enlisted Job Descriptions

3E3X1 - STRUCTURAL

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Specialty Summary: Manages, constructs, repairs, and modifies structural systems and wooden, masonry, metal, and concrete buildings. Fabricates and repairs components of buildings, utility systems, and real property equipment. Ensures compliance with environmental regulations. Related DOD Occupational Subgroup: 710.

Duties and Responsibilities:

Prepares and interprets working drawings and schematics for maintaining, altering, and repairing buildings and structures. Surveys proposed work sites to determine material and labor requirements. Prepares cost estimates. Reviews structural work progress and coordinates changes in schedules. Constructs and repairs footings, floors, slabs, foundations, walls, roofs, steps, doors, and windows for prefabricated and permanent structures. Constructs and modifies buildings. Prepares, applies, and finishes mortar, concrete, plaster, and stucco. Fabricates, repairs, and installs metal parts and assemblies for utility systems and buildings.

Erects steel and lays out trusses and structures to specific dimensions. Welds, brazes, and solders ferrous and nonferrous metals using oxyacetylene and arc welding processes. Welds butt, lap, tee, and edge joints in all working positions. Inspects, maintains, repairs, and installs overhead and rollup doors, and mechanical gates. Installs forms and reinforcing material. Applies protective coatings such as primers, stains, and sealants.

Troubleshoots, repairs, and installs commercially manufactured locking devices such as keyed, combination, cipher, panic hardware, and pad locks.

Erects scaffolding and works from high reach ladders and mobile platforms.

Identifies and selects materials. Selects construction materials considering strength, moisture content, grade, mix, application procedures, and curing.

Manages, inspects, and evaluates work center activities. Ensures compliance with commercial and military publica-tions. Submits and reviews supply and equipment requisitions. Discusses inspection findings and recommends corrective action.

Specialty Qualifications:

Knowledge. Knowledge is mandatory of: building maintenance, repair, and construction, including roofing; nomenclature of woodworking materials and methods of material storage; theory of squaring by equivalent measurements; application of shop mathematics; theory of wood treatment; type and specification requirements of masonry and concrete materials; batching formulas; methods of curing concrete, mortar, plaster, stucco, tile, and lime mixtures; types of coating preservatives and applications; compatible products to be combined in composite systems; methods of preparing various surfaces for finishing; locking devices; composition, characteristics, and identification of common commercial grade metals; construction grade metal requirements; types and uses of metal hardware; methods of forming and cutting metals; metal fabrication and repair; welding processes; metal layout; shop drawings; metal measurement and layout devices; cutting equipment; gas and arc welding equipment; safety procedures and practices; and environmental concerns and safety precautions required in using, storing, and disposing of hazardous materials.

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