Residual hazards that exist after controls put in place may rely on the use of Personal Protective Equipment to mitigate any remaining chance of harm.
Processes that are inherently more risky require a permit to work. Specifically these are entering and working in a confined space and work which introduces potential sources of ignition in environments that are not specifically designed for that purpose.
Particularly hazardous work is termed notifiable work.
A confined space is an enclosed or partially enclosed space and is not intended or designed primarily for human occupancy. It may present a risk from one or more of the following at any time:
Examples include: storage tanks, tank cars, process vessels, boilers, silos, pits, pipes, sewers, shafts, ducts and shipboard spaces.
Working in a confined space is specialised work and requires expertise in identifying and managing hazards.
The Protocol: Confined Space Entry has more detailed information on responsibilities, hazard assessment and control, emergency management, training and competency, records management associated with confined space work.
Worksafe also provides guidance on Planning Entry and Working Safely in a Confined Space.
Anyone at the University who is considering entering a confined space must first contact Facility Management and follow the Confined Space Permit to Work procedure.
Hot work is defined as any work involving processes that have the potential to cause a fire or explosion. Examples of hot work include operations where any open flame or any other type of heat source is used that is capable of igniting combustible materials or flammable atmospheres.
Ignition can result from sparks, slag, falling hot debris and by conduction of heat along metal.
The University of Canterbury has a number of purpose-built scientific and engineering rooms and laboratories housing equipment that may generate heat. These are specifically designed and built to withstand the heat generated by the processes and no hot work permit is required when these facilities being used for that purpose for which they are designed.
Further detail on responsibilities, procedures, hazard assessment and control, emergency management and record keeping can be found in Protocol: Hot Work.
Anyone at the University who is considering undertaking Hot Work must first contact Facilities Management and follow their Hot Work Permit procedure.
Isolating (Lockout) is the use of a lock to render machinery or equipment inoperable or to isolate an energy source. The purpose is to establish 'zero energy'. This is where all sources of energy including electrical, pneumatic, hydraulic, mechanical and stored energy are isolated so that they pose no danger. The purpose of zero energy and lockout is to prevent the release of an energy source that could activate moving parts on equipment or machinery.
The Protocol: Isolation and Danger Tagging has more detailed information on lockout and tagging requirements, responsibilities and procedures.
Use of a lock or locking system to render equipment or a system inoperable is required when inadvertent energising of equipment or service during maintenance, build, inspection, or repair may result in serious or fatal injuries, damage to equipment and facilities, and harm to the environment.
At times it is necessary for equipment or systems to be operating (energised) in order to troubleshoot or make fine adjustments. Working on energised equipment must only be done by people who:
Facilities Management must be consulted regarding the isolation of any service to any part of the University, e.g. electricity, heating or water.
The following hazardous work is deemed to be notifiable. It is unlikely that any work of this type would be done without the involvement of Facilities Management. Facilities Management must approve Notifiable Work prior to notification to Worksafe NZ. Notification to Worksafe must be made 24 hours prior to the commencement of the work.
Personal protective equipment (PPE) provides protection when all other control measures can’t adequately eliminate or minimise risks to health and safety.
The University of Canterbury will provide workers with approved safety and protective equipment as required by the Health and Safety at Work Act 2015.
Specific departments and courses have strict rules on the wearing of PPE in laboratories, in workshops, and in fieldwork. Students should check with course supervisors on these requirements.
PPE must meet New Zealand safety standards. PPE must also be regularly checked to ensure it is not damaged and is still fit for purpose. Some PPE items have expiry dates and these must be monitored and replacements ordered.
Further detail on PPE requirements and responsibilities are set out in the Protocol: Personal Protective Equipment.
Work at height means working in a place where a person could be injured if they fell from one level to another. This can be above or below ground level.
The HSE Act requires that if there is a potential for a person at work to fall from any height, reasonable and practicable steps must be taken to prevent harm from resulting.
University of Canterbury deems working at height as from the moment you leave the ground to undertake a task.
The Protocol: Height Safety has further detail on responsibilities hazard assessment and control, emergency management, training and competency in relation to working at height.
Some work at height is deemed to be notifiable work. Specifically this is:
Facilities Management must approve Notifiable Work prior to notification to Worksafe NZ. Notification to Worksafe must be made 24 hours prior to the commencement of the work.
Worksafe has very good guidance material for Working Safely at Height.
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