Wales
Wales are metal or wooden barriers used in trenches and excavation sites to prevent soil from caving in and protect workers. Think of them like strong walls that hold back dirt and create a safe working space underground. Construction companies use them as a crucial safety measure when digging deep holes or trenches for projects like pipelines, foundations, or utility installations. You might also hear them called "trench shields," "trench boxes," or "shoring systems." These terms all refer to the same basic safety equipment that's required by safety regulations for protecting workers in deep excavations.
Examples in Resumes
Supervised installation of Wales and shoring systems for 20+ major pipeline projects
Managed safety compliance using Wales and trench boxes on municipal water line installations
Trained crew members on proper Wales placement and OSHA safety requirements
Typical job title: "Excavation Specialists"
Also try searching for:
Where to Find Excavation Specialists
Professional Organizations
Job Boards
Safety Resources
Example Interview Questions
Senior Level Questions
Q: How do you determine the appropriate waling system for different soil types and depths?
Expected Answer: A senior candidate should explain how they assess soil conditions, consider depth requirements, and choose appropriate materials and configurations based on project specifications and safety regulations.
Q: Describe a challenging excavation project you managed and how you ensured safety compliance.
Expected Answer: Look for answers that demonstrate leadership, problem-solving, and thorough understanding of safety protocols and team management in complex excavation scenarios.
Mid Level Questions
Q: What factors do you consider when installing wales in different weather conditions?
Expected Answer: Candidate should discuss how weather affects soil stability, installation procedures, and necessary adjustments to ensure safe working conditions.
Q: How do you inspect wales and shoring systems for potential safety issues?
Expected Answer: Should describe regular inspection procedures, common warning signs, and proper documentation of safety checks.
Junior Level Questions
Q: What is the minimum depth at which shoring or wales are required?
Expected Answer: Should know basic OSHA requirements for when protective systems are needed (typically 5 feet) and understand why this is important for worker safety.
Q: What are the basic components of a waling system?
Expected Answer: Should be able to identify main parts like wales, uprights, and cross braces, and explain their basic functions in supporting trench walls.
Experience Level Indicators
Junior (0-2 years)
- Basic knowledge of trench safety requirements
- Understanding of proper wales installation
- Ability to identify basic soil types
- Knowledge of safety equipment use
Mid (2-5 years)
- Installation supervision
- Safety inspection procedures
- Equipment maintenance
- Team coordination
Senior (5+ years)
- Project planning and management
- Advanced soil analysis
- Emergency response coordination
- Safety program development
Red Flags to Watch For
- Unfamiliarity with basic OSHA trench safety requirements
- No experience with proper installation procedures
- Lack of understanding about soil types and conditions
- Poor knowledge of emergency procedures
Related Terms
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