Lime Mixer Machine Operator

Granite Construction • Forney, TX

4d • Onsite

About The Position

Building a career at Granite may be the most valuable thing you could do... Find your dream job today, and be part of something great. Our most powerful partnership is the one we have with our employees. Our people are our most valued asset and the foundation of Granite’s century-old success. We’re building more than infrastructure; we are building your future. General Summary Operator will perform a pre trip inspection prior to commencing work, and needs ot be capable of mixing lime at at various depths with consistency in accordance with TXDOT Quality Control specifications.

Requirements

• High School Diploma, GED or equivalent years of experience
• Appropriate training and experience required
• Operator Mixer Machine
• Practice good safety habits
• Work in dusty or dirty surroundings
• Follow instructions and meet set standards
• Make decisions based on verifiable standards.
• Stoop, bend, and crouch
• Use hands, arms, and legs fully
• See well (either naturally or with correction)
• Lift up to 50 pounds, with frequent lifting and carrying of objects weighing up to 25 pounds.
• Strict adherence to safety protocol
• Careful mechanical management
• Wear specialized Personal Protective Equipment (PPE) including respirators, goggles, and caustic-resistant gloves.

Responsibilities

• Sets up, controls, and maintains the industrial machinery used to blend raw lime (calcium oxide or hydrated lime) with water, sand, or other chemical aggregates.
• Weighs, measures, and loads raw chemical ingredients according to precise formula specifications.
• Manages specific water-to-lime proportions and monitors exact mix durations (typically around 10 minutes) to ensure proper chemical blending without losing light materials to the wind.
• Inspects the "slump" or thickness of the output and pulls regular physical samples to verify chemical ratios conform to rigorous quality standards.
• Cleans machinery components, troubleshoots blockages with hand tools, and clears bulk sediment between formulation changes to keep equipment operating efficiently.
• Performs a pre-trip inspection prior to commencing work.
• Mixes lime at various depths with consistency in accordance with TXDOT Quality Control specifications.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED