Dara Engineering & Infrastructures Interview Questions and Answers

Breathing apparatus functions and how to operate

• Breathing apparatus is used to provide clean air to the wearer in hazardous environments

• It functions by filtering or supplying air from an external source

• There are different types of breathing apparatus such as self-contained breathing apparatus (SCBA) and supplied air respirators (SAR)

• To operate a breathing apparatus, one must first inspect it for any damage or defects

• Next, the apparatus should be properly donned, ensuring a ti...read more

Green field refers to a new construction site while brown field refers to an existing construction site.

• Green field is a new construction site that has not been developed before

• Brown field is an existing construction site that has been previously developed

• Green field projects are usually easier to manage and have fewer risks compared to brown field projects

• Brown field projects require more planning and assessment due to potential environmental hazards and existing infrastruct...read more

Safe man hours can be calculated by multiplying the number of workers by the number of hours worked without any accidents or injuries.

• Safe man hours = Number of workers x Number of hours worked without accidents

• This calculation helps measure the safety performance of a workforce

• For example, if there are 100 workers and they worked for 8 hours without any accidents, the safe man hours would be 800

A safety management system is a systematic approach to managing safety in an organization.

• It involves identifying hazards, assessing risks, and implementing controls to prevent accidents and injuries.

• It includes policies, procedures, and processes to ensure compliance with safety regulations and standards.

• It promotes a safety culture within the organization, encouraging employees to prioritize safety in their daily activities.

• Regular audits and inspections are conducted to mo...read more

Critical lifting refers to lifting operations that involve high risk and require careful planning and execution.

• Critical lifting involves lifting heavy loads that are close to or exceed the crane's capacity.

• It requires careful planning, risk assessment, and coordination between all parties involved.

• Examples of critical lifting include lifting large machinery, construction materials, and heavy equipment.

• Proper equipment and rigging techniques must be used to ensure the safety ...read more

Subcontractor safety management system refers to the safety measures implemented by subcontractors on a worksite.

• Subcontractors should have their own safety policies and procedures in place

• Subcontractors should be required to follow the safety policies and procedures of the main contractor

• Main contractor should ensure that subcontractors are properly trained and equipped to work safely

• Regular safety audits should be conducted to ensure subcontractors are complying with safety...read more

ADNOC plant has a facial hair policy for safety reasons.

• Facial hair must not interfere with the proper fit of respiratory protection equipment.

• Employees must be clean-shaven in the area where the respirator seals against the face.

• Exceptions may be made for religious or medical reasons, but alternative protective measures must be taken.

• Regular training and monitoring of compliance with the policy is necessary.

TRA stands for Task Risk Assessment. It is a process of identifying potential hazards and risks associated with a task or activity.

• TRA involves identifying the task or activity to be performed

• Identifying potential hazards and risks associated with the task

• Assessing the likelihood and severity of the identified hazards and risks

• Developing control measures to eliminate or reduce the identified hazards and risks

• Implementing and monitoring the control measures

• Examples of TRA incl...read more