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Qualification Requirements and Management Standards for Wet Spraying Boom Operators
Release time:
2026-04-14
Source:
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Summary:
As a critical piece of equipment for concrete shotcrete support operations in tunnels, mines, and other underground projects, the wet-mix shotcrete boom has operators whose professional competence directly impacts construction safety, project quality, and equipment performance. To ensure the standardized operation of wet-mix shotcrete booms, the state has established a clear qualification framework that covers multiple dimensions, including eligibility requirements, specialized knowledge, skill standards, safety awareness, and ongoing education.
I. Basic Admission Requirements and Professional Qualifications
To operate a wet-mix shotcrete rig, personnel must meet the following basic requirements and obtain the corresponding qualification certification:
Operators must be at least 18 Must be of the appropriate age and in good health, with physical conditions that meet the job requirements. For certain positions or roles, a medical examination report issued by a hospital is required, confirming no color blindness, sound limbs, and no motor impairments.
Operators must undergo professional, systematic training and pass both theoretical and practical examinations administered by relevant authorities or enterprises; only those who achieve a passing score may be assigned to duty. The training curriculum shall cover equipment structure and operating principles, maintenance and servicing, simulation exercises, and hands-on operation on actual equipment.
Trainees who pass the training will be issued a Training Completion Certificate or a Professional Competency Certificate by the training institution or industry organization. For operations within the scope of special equipment, operators must also obtain, in accordance with regulations, a Special Equipment Operator Certificate issued by the market supervision and administration authority.
II. Requirements for Professional Knowledge and Core Skills
A qualified wet-mix shotcrete boom operator must possess the following core knowledge and skills:
Mechanical Principles and Equipment Structure: Proficient in the basic structure of wet-spray trolleys, hydraulic systems, electrical control systems, and the principles of material conveying and pumping. Able to accurately identify the functions of each component and fully understand the equipment’s operational workflow.
Concrete technology knowledge: Understand the mix proportion characteristics of wet-mix shotcrete, the requirements for slump control, and the principles and effects of accelerating agent addition. Be able to fine-tune operational parameters based on the concrete’s consistency to ensure shotcreting quality and minimize rebound.
Operational and Troubleshooting Capabilities: Possess proficient hands-on skills with live equipment, including precise control of the robotic arm for concrete spraying on vertical surfaces, roof surfaces, and complex-shaped areas. Able to independently perform routine equipment inspections and scheduled maintenance, as well as make preliminary diagnoses and resolve common operational faults.
Safety and Compliance Awareness: Thoroughly understand and strictly adhere to safety operating procedures. Be well-versed in the hazards present at the construction site, proficient in the proper use of personal protective equipment, and capable of effectively responding to emergency situations.
III. Training, Certification, and Continuing Education
The acquisition and maintenance of operator qualifications depend on systematic training and continuous learning and development:
Training typically adopts a blended approach that combines theory and practice. Theoretical courses cover equipment knowledge and safety regulations, while practical sessions provide intensive hands-on training on simulators or actual equipment.
Some large construction firms organize specialized training courses for operators of tunnel-specific equipment and issue internal certifications to trainees who pass the assessment, or assist them in applying for industry-recognized certificates.
It is worth noting that some professional certifications are not valid for life; for example, certain international certification systems require that every 5 An annual update is required. This necessitates that operators closely monitor the expiration dates of their certificates and participate in regular recertification or continuing education to maintain the validity of their qualifications and keep pace with technological advancements.
IV. Safety Standards and Sense of Responsibility
beyond From a technical standpoint, a strong sense of responsibility and a rigorous safety mindset are indispensable professional qualities for operators:
Operators must strictly adhere to the post responsibility system, remain at their workstations, and are strictly prohibited from leaving their posts or switching shifts.
During construction, personnel have the right to refuse to carry out any unauthorized instructions, and it is strictly prohibited for unlicensed personnel to operate equipment.
It is essential to continuously monitor equipment operating conditions and changes in the work environment to ensure the safety of oneself and others.
Summary
Qualification management for wet-spray rig operators is a comprehensive system that encompasses entry requirements, training, assessment, certification, and ongoing supervision. It ensures that operators are not merely equipment drivers but highly skilled technical professionals who possess a deep understanding of mechanical principles, concrete technology, safety management, and equipment maintenance. As tunnel construction becomes increasingly mechanized and智能化, the demand for high-caliber, highly skilled wet-spray rig operators will grow ever more urgent, underscoring the increasing importance of their professional qualifications.
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