10+ L&T Construction Safety Supervisor Interview Questions and Answers

Flashback arrestor is used to prevent fire in gas cutting set.

• Flashback arrestor is a safety device designed to prevent the flame from traveling back into the gas supply line.

• It works by extinguishing the flame front before it can reach the gas source.

• There are different types of flashback arrestors for different gases such as oxygen, acetylene, propane, etc.

Insulated rubber gloves are used for electrical work.

• Insulated rubber gloves provide protection against electric shock.

• They are made of rubber or other insulating materials.

• The gloves should be tested and certified for electrical use.

• They should have a voltage rating that matches the electrical work being performed.

• Proper care and maintenance of the gloves is important to ensure their effectiveness.

• Other personal protective equipment (PPE) such as safety glasses and insulated...read more

The lifting work system refers to the process and procedures in place for safely lifting and moving heavy objects in the workplace.

• Involves assessing the weight and size of the object to be lifted

• Determining the appropriate lifting equipment to use

• Ensuring proper lifting techniques are followed to prevent injuries

• Training employees on safe lifting practices

• Implementing protocols for team lifts when necessary

Welding work hazards include exposure to fumes, gases, radiation, and electrical hazards.

• Exposure to welding fumes can lead to respiratory issues and metal fume fever.

• Gases produced during welding, such as carbon monoxide and nitrogen oxides, can be harmful if inhaled.

• Radiation from welding arcs can cause eye damage and skin burns.

• Electrical hazards can result from faulty equipment or improper grounding, leading to shocks or electrocution.

HIRA stands for Hazard Identification and Risk Assessment.

• HIRA is a process used to identify potential hazards and assess the associated risks.

• It involves identifying hazards, evaluating the likelihood and severity of harm, and implementing controls to mitigate the risks.

• HIRA is an important tool for ensuring workplace safety and preventing accidents.

• Examples of hazards that may be identified through HIRA include chemical exposure, falls from heights, and electrical hazards.

Necessary requirement during work at height

• Proper training and certification

• Use of appropriate personal protective equipment (PPE)

• Inspection and maintenance of equipment

• Fall protection systems

• Safe work practices and procedures

• Emergency rescue plan

• Communication and coordination among workers

• Risk assessment and hazard identification

Precautions to take during excavation

• Ensure proper planning and risk assessment before starting excavation

• Locate and mark underground utilities to avoid accidental damage

• Use proper protective equipment such as hard hats, safety glasses, and high visibility clothing

• Implement proper shoring or sloping techniques to prevent cave-ins

• Monitor the atmosphere for hazardous gases or lack of oxygen

• Establish clear communication and emergency procedures

• Provide adequate training to worker...read more

Confined space refers to an area that is not designed for continuous human occupancy and has limited entry and exit points.

• Examples include tanks, silos, sewers, and tunnels.

• Confined spaces pose a risk of asphyxiation, suffocation, and exposure to hazardous substances.

• Proper training, equipment, and procedures are necessary for safe entry and work in confined spaces.

A work permit system is a formal written system used to control certain types of work that are potentially hazardous.

• Work permit systems ensure that proper precautions are taken before high-risk work is carried out.

• They typically involve a written permit that must be obtained before work begins.

• Examples of work permit systems include hot work permits, confined space entry permits, and excavation permits.

The base of scaffolding is the foundation or support structure on which the scaffolding is built.

• The base of scaffolding is typically made of sturdy materials such as steel or wood.

• It is important for the base to be level and stable to ensure the safety of workers using the scaffolding.

• Examples of base components include base plates, mud sills, and screw jacks.

Excavation hazards refer to the risks associated with digging or trenching activities.

• Potential cave-ins or collapses of the excavation site

• Contact with underground utilities or other buried objects

• Falls or slips into the excavation site

• Exposure to hazardous materials or gases

• Equipment accidents or malfunctions

• Lack of proper protective systems or equipment

• Examples include construction sites, utility installations, and mining operations

Safety refers to the measures and precautions taken to prevent accidents, injuries, and hazards in a given environment.

• Safety involves identifying and assessing potential risks and hazards.

• It includes implementing safety protocols and procedures to mitigate risks.

• Safety also involves providing proper training and education to employees or individuals.

• Regular inspections and maintenance of equipment and facilities are essential for safety.

• Emergency preparedness and response pl...read more

The heavy tower is a structure used in construction projects to support heavy loads and provide stability.

• Heavy towers are typically made of steel or concrete to withstand the weight of equipment and materials.

• They are often used in conjunction with cranes to lift and move heavy objects.

• Heavy towers play a crucial role in ensuring the safety of workers and the success of construction projects.

TPI stands for Threads Per Inch, a measurement used in manufacturing and engineering to determine the number of threads on a screw or bolt.

• TPI is calculated by counting the number of threads within a one-inch length on a screw or bolt.

• Higher TPI values indicate finer threads, while lower TPI values indicate coarser threads.

• TPI is an important factor in determining the compatibility of nuts and bolts in mechanical assemblies.

Tool box meetings are regular safety meetings held on job sites to discuss potential hazards, safety procedures, and promote a safety culture.

• Tool box meetings are typically held at the beginning of each work shift or day.

• Topics discussed include recent incidents, near misses, safety reminders, and any new safety procedures.

• Employees are encouraged to actively participate by sharing their own experiences and suggestions.

• The goal of tool box meetings is to increase safety awar...read more

The risk is the potential for harm, loss, or danger resulting from a specific hazard or situation.

• Risk is the likelihood of an event occurring and the potential consequences of that event.

• Identifying and assessing risks is crucial for developing effective safety measures.

• Examples of risks in a workplace include slips, trips, falls, exposure to hazardous chemicals, and equipment malfunctions.