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Department: Earthwork & Infrastructure Reports To: VP of Earthworks and Infrastructure Location: Various project sites across Minnesota, North Dakota, South Dakota, Iowa and Montana Status: Hourly (Non-Exempt) Position Summary The Base/Gravel Crew Supervisor is responsible for the daily oversight and coordination of base, gravel, and subgrade operations on heavy highway and road construction projects. This role ensures the crew performs work safely, efficiently, and in compliance with project specifications, schedules, and quality standards. The Supervisor leads by example, maintaining clear communication between crew members, project management, trucking operations, and survey/layout teams to ensure optimal productivity and quality results. Essential Duties and Responsibilities Crew Leadership & Oversight -Direct and supervise base/gravel crew members in grading, shaping, compacting, and finishing subgrade and aggregate base layers. -Coordinate the sequencing of material placement and compaction activities to maintain project schedules. -Provide daily direction, assign tasks, and monitor crew performance for safety, quality, and efficiency. -Promote teamwork, accountability, and a positive work environment. Project Coordination -Communicate regularly with the Project Manager, Foremen, and Survey/Grade Control personnel to align production goals and verify elevations and tolerances. -Work closely with trucking and materials dispatch to ensure timely delivery and efficient placement of materials. -Review project plans, specifications, and blueprints to ensure compliance with design grades and cross-sections. Safety & Compliance -Enforce company safety policies, conduct weekly safety meetings, and ensure all crew members follow safe work practices. -Inspect equipment and work areas to identify and correct potential hazards. -Maintain compliance with environmental, DOT, and project-specific regulations. Quality Control -Verify base and gravel placement meets density, thickness, and grade specifications. -Perform visual checks and coordinate with testing personnel for compaction and material sampling. -Identify and correct deficiencies before subsequent paving or surfacing activities. Equipment & Material Management -Ensure proper use, maintenance, and care of equipment, including graders, rollers, dozers, and trucks. -Report equipment issues promptly to maintenance or mechanics. -Monitor material quantities to prevent waste and ensure accurate documentation of usage. Administrative Duties -Complete and submit daily reports, crew timesheets, and production logs. -Track quantities installed and communicate progress to project management. -Assist with training, coaching, and performance evaluations for crew members. Central Specialties is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.