Civil Drafters

Prepare drawings and topographical and relief maps used in civil engineering projects, such as highways, bridges, pipelines, flood control projects, and water and sewerage control systems.

Job Task

• Correlate, interpret, and modify data obtained from topographical surveys, well logs, and geophysical prospecting reports.
• Draft plans and detailed drawings for structures, installations, and construction projects such as highways, sewage disposal systems, and dikes, working from sketches or notes.
• Draw maps, diagrams, and profiles, using cross-sections and surveys, to represent elevations, topographical contours, subsurface formations and structures.
• Finish and duplicate drawings and documentation packages, according to required mediums and specifications for reproduction, using blueprinting, photography, or other duplicating methods.
• Review rough sketches, drawings, specifications, and other engineering data received from civil engineers to ensure that they conform to design concepts.
• Supervise or conduct field surveys, inspections or technical investigations to obtain data required to revise construction drawings.
• Produce drawings using computer assisted drafting systems (CAD) or drafting machines or by hand using compasses, dividers, protractors, triangles and other drafting devices.
• Calculate excavation tonnage and prepare graphs and fill-hauling diagrams for use in earth-moving operations.
• Calculate weights, volumes, and stress factors and their implications for technical aspects of designs.
• Determine the order of work and method of presentation, such as orthographic or isometric drawing.
• Explain drawings to production or construction teams and provide adjustments as necessary.
• Locate and identify symbols located on topographical surveys to denote geological and geophysical formations or oil field installations.
• Plot characteristics of boreholes for oil and gas wells from photographic subsurface survey recordings and other data, representing depth, degree and direction of inclination.
• Supervise and train other technologists, technicians and drafters.
• Determine quality, cost, strength and quantity of required materials, and enter figures on materials lists.

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