Hydromill/Hydrofraise Operator

Job Description

Job Description

Since 1955, Nicholson Construction Company has been setting the industry standard for performance and technical innovation in geotechnical construction. We have built our reputation by performing the highest quality work and providing the most innovative solutions on the widest range of demanding and high profile projects. Nicholson is part of a global network of unparalleled geotechnical resources and expertise, specializing in deep foundations, earth retention, ground treatment and ground improvement.

Summary:

• Operates Nicholson owned or rented Hydromill / Hydrofraise trench cutters diaphragm wall equipment to excavate slurry wall panels in soil and rock while meeting all Nicholson and OSHA standards.

Description:

• Able to direct the operation of the crew assigned to his equipment.
• Operates Hydromill / Hydrofraise trench cutters to excavate slurry-supported trenches to required depth, verticality and alignment.
• Monitors and adjust key operational parameters (torque, slurry flow, cutter position, cutter rotation speed, penetration rate).
• Responsible for the daily checks, daily maintenance and documentation of the equipment operated.
• Coordinates with slurry plant technicians and other teams to maintain excavation in a safe manner and meet quality standards of the company.
• Ensures that all Nicholson quality standards are met.
• Informs Superintendent or site mechanic of malfunctioning equipment or equipment related problems.
• Ensures that all Nicholson and OSHA safety regulations are followed and enforced; responsible for safety on site.
• Attends and participates at safety meetings.
• Responsible for maintaining daily logs, equipment inspection forms and excavation records.
• Ensures that the work performed is built to the plans, specifications and the level of quality expected of Nicholson.

Qualifications & Requirements:

• High School Diploma or GED
• OSHA 10-hour 
• Crane Certification (NCCCO or equivalent) preferred.

Experience:

• Minimum of 3 years of construction experience, 2 years of which must have been as a Hydromill/ Hydrofraise or similar trench cutter equipment excavating slurry wall trenches. 
• Experience operating crawler cranes is required.
• Experience on diaphragm wall and deep foundation projects is required.

Knowledge and Abilities:

• Proven ability to operate Hydromill / Hydrofraise equipment safely and efficiently.
• Understanding of slurry wall excavation techniques, slurry usage, and verticality control.
• Understanding of trench-cutter technology, slurry circulation systems, real-time verticality control systems, and rock/soil excavation mechanics.
• Thorough understanding of lifting operations and hoisting safety. 
• Understands equipment operating systems and instrumentation (mechanical, electronic and hydraulic).
• Ability to troubleshoot hydraulic, mechanical and electrical systems under field conditions.
• Ability to read and understand excavation plans.

Physical Requirements:

• Reaching high and low, stooping, and bending continually
• Lifting/carrying/moving up to 100 pounds continually
• Able to travel per the Nicholson travel policy
• Requires a high degree of concentration in a busy and noisy construction environment
• Requires working in all types of weather

Mental Requirements:

• Converse effectively using both verbal and written communication.
• Make decisions and assume accountability
• Concentrate on tasks
• Demonstrate ability to manage stress and emotions as related to the workplace
• Attention to detail
• Identify and resolve conflict
• Assess safety and risk