OHS - Five Functional Assessments
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In search of outstanding terrainability.

In search of outstanding terrainability. | OHS - Five Functional Assessments | Scoop.it

In an industry that is effected by weather conditions, new ways of getting the job done are a must. Productivity and the ability to continue working regardless of the conditions within safe peramitors become ideal and the return on investment is great.

Tomas Haerewa's insight:

Quest #3

 

The vision of Pauls company revolves around delivering a safe workforce, producing results within set timeframes and Quality of products and the clearance of vegetation from the power lines. This type of machine has recently been modified and intro ducted to the fleet of machines.

 

The wet ground in many rural areas can delay the completion of the contract. This new machinery is aimed at delivering higher productivity in areas which previously have been unreachable in inclement weather.

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Excerpt from - http://www.deir.qld.gov.au/workplace/resources/pdfs/forest-harvesting-cop-2007.pdf

Part B:

Workplace health and safety 6.

 

Working near powerlines

 

The presence of powerlines and associated hardware in close proximity to harvesting operations represents a safety hazard to all people involved. Leaving trees adjacent to energised powerlines also poses a multitude of additional risks to forest harvesting workers as well as consumers.

If a powerline is above any part of the felling zone1 during forest harvesting activities, additional measures must be employed to ensure the trees being felled do not encroach on the ‘exclusion zone’2 from the powerline. The additional controls should be developed in conjunction with the owner of the powerline.

The Electrical Safety Act 2002 and the Electrical Safety Regulation 2002 provide the framework for working with and around electrical hazards. In particular, the code of practice – Working Near Exposed Live Parts gives advice on how to manage electrical risks. In matters pertaining to electrical safety, workplace duties exist under both the electrical safety and work health and safety legislation.

Where there is a reasonable likelihood during the performance of harvesting operations that a person or operating plant will contact a live part or come within the ‘exclusion zone’, a PCBU must advise the owner of the overhead electrical line in writing of the proposed works at least 7 days before that work commences (see Electrical Safety Regulation 2002 section 64A).

1 felling zone means the area in all directions around the tree being felled equivalent to a radial distance of two times the height of the tallest tree within the felling zone
2 exclusion zone means the minimum zone prescribed by Schedule 2 of the Electrical Safety Regulation 2002 in which an operator, person, vehicle or machine cannot encroach. The zone varies under a range of scenarios.

PN11174 Forest harvesting – Code of Practice 2007 Page 22 of 64

When working near high voltage live parts, a person or operating plant does not have to physically touch the exposed live part to be at risk of injury. Any live part carrying 1000 volts or greater is considered high voltage and is capable of arcing (jumping). Most of the powerlines that traverse forest harvesting areas are high voltage.

For high voltage situations, a person is working near exposed live parts when that person is likely, either directly or through any conducting medium, to enter the ‘exclusion zone’. A part is considered live until it is isolated and proven to be de-energised and not likely to become re-energised. If the part is a high voltage conductor, it is considered live until it is earthed.

Most high voltage powerlines have an auto re-close mechanism that triggers the circuit to re-energise shortly after it trips out. If the auto re-close mechanism is not switched off, a fallen powerline will remain live and pose significant danger to anyone in the vicinity.

The Electrical Safety Regulation 2002 states that a PCBU must ensure that work performed in the conduct of the person’s business or undertaking does not involve, except in accordance with requirements:

  a person coming into direct contact with an electrical part

  any operating plant or vehicle coming into direct contact with an electrical part

  a person coming within the exclusion zone for the person for an electrical part

  any operating plant or vehicle coming within the exclusion zone for the operating plant or vehicle for an

electrical part.

 

7. Accidents and incidents

 

Collecting and analysing health and safety information is a key part of a health and safety management system. Every accident must be recorded regardless of the amount of damage or injury. This allows less obvious risks to be identified and appropriate strategies to be developed to improve health and safety.

PCBUs must encourage workers to report any incidents or accidents, and then follow up if there is a problem. Early reporting can make the difference between rapid recovery and a serious injury or disease resulting in a lengthy absence from work. 

Tomas Haerewa's insight:

Quest #3

 

This code of practice is applicable to Paul throughout his daily work. It highlights the electrical safety regulations applicable and the requirement and considerations needed.

As an 'Authorised Person' along with insulated tools and plant; Paul is permitted to be within 1000mm of  the low voltage (240v - 415v) and 1200mm of high voltage (11,000v - 33,000v) power lines in Queensland. Paul's employer also has policies and procedures he is required to follow, to ensure the vegetation does not impact the power supply and or even contact the lines.

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▶ Boom Lift Safety - EDG Safety Series - YouTube

EDG Safety Series. Here you will find the Boom Lift Safety video for EDG Employees.
Tomas Haerewa's insight:

Quest #3

 

This video is helpful and gives an insight on the operation of a boom lift. The audience for this type of video is a less experienced operator, or learner level. Paul and his colleague have over 15 years combined experience working with Boom Lifts.

Paul is required to complete a comprehensive pre-start checklist before operating his machine. Paul is also an authorised person, which means his approach limits to live power lines is closer than the average boom lift operator.

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Preschool Director -

Preschool Director - | OHS - Five Functional Assessments | Scoop.it

Adelaide is the Director at a community based preschool centre. Her role is diverse but primarily falls into the field of caring for children and young people. Her students are aged between 4 - 6. 

As the director of the preschool, Adelaide has to ensure that the centre complies to all procedures, policies and safety requirements and relevant legislations and standards.

As the centre cares for the youth, additional hazards have to be considered, such as separated couples and custody requirements, emergency evacuation responsibilities and working with children check (Blue card). 

As the preschool is a community organisation, it is overseen by a management committee, made up primarily of volunteer and staff employed in the preschool. 

 

Tomas Haerewa's insight:

After a risk assessment of the premises, I was impressed with the level of controls and procedures in place to aid the workers in workplace health and safety.

Adherence to the:

OH&S Act 2011; WHS regulations; Australian Standards AS 4801 (OHS Management System);Australian Standards AS 1851 (Maintenance of fire protection and equipment)WorkCoverGuiding practice to meet standards set out in: Australian Children's Education and Care Quality Authority Quality Area 2 (Children’s Health and Safety)

All dictate a large amount of paperwork and procedures to be followed.

The environment is also heavily focussed on the protection and development of children in an educational sense. Providing a learning environment through ‘play based learning’ according to certain curriculum, does add a level of stress within the workplace.

First aid officers are present for the slips trips and falls, along with other minor injuries, which are common in this age group. Along with certain dietary knowledge of children in the preschool.

Evacuation and fire drills are conducted at least every three months and must be signed by attendees and submitted to the management committee at committee meetings.

By remaining in adherance to the procedures in place, along with internal and external audits which highlight areas of improvement; the preschool will continue to thrive and offer a leading location for youth development.

 

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Surfer -

Surfer - | OHS - Five Functional Assessments | Scoop.it

Sarah is a keen and able surfer. Growing up in Port Stephens in NSW she was blessed enough to spend most afternoons and weekends at the nearby beach. 

Sarah is a trained bronze medallion holder and was an active member in the local surf life saving club until moving to Brisbane.

Surfing is a form of recreation and Sarah uses it as such. She has limited time to enjoy the practice but when able, jumps at the opportunity.

Here she is enjoying some time in the waves at Kingscliff in northern New South Wales.

Tomas Haerewa's insight:

The media like to highlight the danger of the open water, every time a shark attack happens. Sarah studied marine science and has a more measured approach to the ocean and its inhabitants. Humans are generally visitors; and as such when not in our natural environment, we can be mistaken for prey or predators.

The risk of the local wildlife is relatively low when considering the amount of man hours humans are spending in the water, along with the ever increasing search for deserted or ‘unridden’ waves. 

A much larger hazard to be taken into consideration is the risk of drowning, with a social surfer not being as fit or trained as the daily participant; fatigue can inhibit judgement, ability and decision making all adding to the risk if incorrect decisions are made. Surfing with friends and on a patrolled beach is recommended to ensure help is close at hand in the event of an emergency.

The Australian sun is particularly harsh even on a seemingly overcast  day. With ongoing exposure to the elements; hydration and the use of sunblock, along with uv resistant clothing are all forms of PPE which should be utilised whenever appropriate.

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Schedule 2 - Electrical safety Regulation 2013

Tomas Haerewa's insight:

Quest #3

 

As highlighted in Schedule 2:

 

authorised person, for an electric line, means a person who—

(a)  has enough technical knowledge and experience to do work that involves contact with, or being near to, the electric line; and

(b)  has been approved by the person in control of the electric line to do work that involves contact with, or being near to, the electric line, or is authorised to act for the person in control of the electric line. 

 

Paul is trained to a certain level to be near to the live power lines. His qualification is known in the industry as M31A. This training card must be produced if he is audited by the energy provider (Energex) or an internal audit from his company.

 

Paul remarks that he has a "healthy respect for electricity, as I work alongside it, or in close proximity on a daily basis". A high level of experience, comprehensive training and a concerted effort to adhere to all policy and procedures; empowers Paul to operate within a dangerous industry, safely and to conduct his daily work with a professional approach.

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Electrical Source - November/December 2013

Electrical Source - November/December 2013 | OHS - Five Functional Assessments | Scoop.it
UPGRADE YOUR SKILLS See our new winter schedule Page 7 for We Light Up Your L NOVEMBER/DECEMBER 2013 ? VOLUME 9 ? ISSUE 4 EXPANDED DIGITAL MAGAZINE
Tomas Haerewa's insight:

Quest #3

 

Policies and procedures are developed to learn lessons from and aid in incident prevention.With experience, can come complacency. If the worker is not held accountable through auditing and monitoring. Often employers will have training and safety requirements but fail to monitor and ensure these procedures or rules are followed.
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Arborist -

Arborist - | OHS - Five Functional Assessments | Scoop.it

Paul is an arborist who works for a company clearing vegetation from the Energex power grid in South-East Queensland.

As the role suggests, Paul is required to work in close proximity to the power lines, both Low voltage and High voltage. This requires on most occasions, to be working from an Elevated Work Platform (EWP).

The scope of work is decided prior to Paul arriving on-site by his supervisor.

The aim is to clear the lines of vegetation impacting the grid now but also, to ensure at least 12 months of clearance, considering the growth of certain species of tree.

Paul is trained to identify and complete a risk assessment upon arrival to site; to ensure his safety along with the continuous supply of electricity from the grid. If this cannot be achieved, he must contact the electrical provider and arrange for the power to be shut off. 

Tomas Haerewa's insight:

Paul is a highly qualified Arborist, boasting more than 10 years in the industry both in the UK and Australia. Since being in Australia he has obtained his EWP license and the required certification and permits to work within close proximity to powerlines.

Working at heights is a large risk and these risks are controlled through the engineering of the plant which Paul uses on a day to day basis. The EWP is an insulated machine protecting him from the electrical dangers if he was to come into contact with the power-lines at all. This is highly unlikely as there are operating procedures which Paul is required to follow to avoid this situation. 

There is also a emergency ‘spotter’ in place anytime Paul is using equipment near the power network. The spotters job is only to watch Paul and to let him know if he, or his tools come within the exclusion zone of the lines. Low voltage exclusion zone is 1 metre, and high voltage is 1.2 metres. There are many procedures in place, both from Energex and from the subcontracting vegetation company, which must be followed to complete this high risk activity.

In this particular photo, Paul is removing an entire tree which has the potential to impact the lines. He must cut the vegetation to manageable sizes, lower down to the ground whilst avoiding the low voltage power-lines. This involves confidence, poise under pressure and the ability to control not only his chainsaw, but also the branches which he cuts. This type of work, above the lines is only allowed to happen on low voltage not on high voltage as the clearance zone on high voltage includes anything above the lines.

Paul wears a full body harness which is attached at all times whilst he is in the basket. This is an aid to stop him from falling all the way to the ground. He also wears safety glasses, a hard hat, high visibility clothing from neck to wrist to ankle, steel capped boots and insulated gloves which are designed to protect him from the electrical current passing to his body if the vegetation becomes live.

Manual handling risks are abundant in this industry, as once the tree is removed, the debris must also be wood-chipped by a mulching machine and taken off site.

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Spray Painter -

Spray Painter - | OHS - Five Functional Assessments | Scoop.it

Steve is a sand-blaster and painter working remotely on LNG sites. 

The type of paint used in this industry is called 'two-pack' and is designed to be applied to a minimum thickness, can be resistant to heat or cold extremes and has a minimum guarantee time, if the application is done within certain constraints. 

The surface to be painted requires special preparation, usually sand-blasting, and the paint must be applied in a timely manner after the preparation is complete.

Usually the sites which Steve is required to work on are remote and require special permits as he works in close proximity to hazardous substances and within a gas field.

Tomas Haerewa's insight:

Steve is working in a remote location preparing and painting parts of the LNG pipeline prior to installation and start-up. As such; this is considered to be an extremely high risk hazardous environment and there are strict rules in place to protect all workers and visitors to site.  The particular workplace which this painting and preparation is completed is within a ‘non-live’ environment, which is not exposed to live gas emissions or operating equipment. Nonetheless, a strict control of works permitting system is employed to communicate the works to all staff on site each day.

Dealing with hazardous substances in the form of two-pack paints and thinners and solvents to ensure correct application of the coatings is paramount. Each chemical present must be accompanied by current ‘Substance Data Sheets’ (SDS). These sheets explain the controls which need to be in place when using, preparing and also vital first aid information which must be followed. So it is important all operators are aware of these details prior to commencement of work.

The spray painting system is performed under high pressure air produced by a compressor. There is a risk of high pressure substance injection when using such equipment, so correct use and training on each plant used is important.

Manual Handling is also a large risk and accounts for much of the injury statistics involved in such industry. Being aware of slips, trips and falls, ensuring housekeeping is adequate and kept tidy, allows for clear movement around sight whilst wearing cumbersome PPE, which may limit vision and hearing senses. Training in manual handling also is of great importance, highlighting the way in which workers move and perform work can aid and help them avoid awkward positions.

PPE is the last form of protection from the hazards which present but is highly effective when introducing harmful, hazardous substances into the environment. Face masks, eye protection and gloves along with full length cotton clothing aid in avoiding contact with the skin and other ways of inhalation and absorption.

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Soccer Coach -

Soccer Coach - | OHS - Five Functional Assessments | Scoop.it

Adrian is a sports coach for the local soccer club. He volunteers his time to be involved to help the development and enjoyment of children in the sport, for ages 3-5. 

At this age and level, children are encouraged to participate and stay involved. With warm-up activities, passing and shooting drills, then a game simulation, the children are entertained and develop those skills after only 45 minutes on a Saturday morning.

The sports field is a relatively hazard free environment until you add the 8 children and balls to the mix. Many accidental falls and collisions can and do happen.

Parents and extended family are generally in the area for support and to aid with emotional meltdowns. Adrian strives to keep the session running to time and to keep the kids engaged and having fun.

Tomas Haerewa's insight:

Adrian has been a qualified grassroots coach for 3 years. His experience allows him to identify early the sign of fatigue and dehydration. As such he always encourages short drink breaks for the children. Along with these breaks he also supplies a water station on the side of the field and cups.

With the children being active and running whilst concentrating on soccer balls and his instructions the collisions and slips trips and falls are a large part of the risks involved. This of course is dependant on the co-ordination of some of his students also. Adrian is first aid trained to deal with injuries which might occur on the field but on most occasions a grazed knee is nursed by the parents of the child. Anything which requires more than first aid, an ambulance is called to the ground and the first aider then hands over responsibility to the paramedics.

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