Health & Safety Flashcards

1
Q

What is The Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR)?

A

The Regulations (issued in 2013) require a responsible person (employers, the self-employed and individuals in control of work premises) to keep records and notify the HSE and/or ORR of workplace incidents. RIDDORs are recordable is someone is off for 3 days or more. RIDDORs are immediately reportable for a variety incidents listed below.
• Deaths – Notification is required of all deaths (workers and non-workers) on construction sites if they arise from a work-related accident or incident (including violence). It is not necessary for suicides to be reported.
• Specific Injuries:
¬ Fractures (not including to fingers, thumbs and toes).
¬ Amputations.
¬ Injury likely to lead to permanent loss of sight or reduction in sight.
¬ Crush injury to the head or body causing damage to the brain or internal organs.
¬ Serious burns which cover more than 10% of the body or cause significant damage to the eyes, respiratory system or other vital organs.
¬ Scalping that requires hospital treatment.
¬ Loss of consciousness caused by head injury or asphyxia.
¬ Any other injury arising from work in an enclosed space which results in hypothermia or heat-induced illness or requires resuscitation or admittance to hospital for more than 24 hours.
• Occupational Diseases:
¬ Carpal tunnel syndrome.
¬ Severe cramp of the hand or forearm.
¬ Occupational dermatitis.
¬ Hand-arm vibration syndrome.
¬ Occupational asthma.
¬ Tendonitis or tenosynovitis of the hand or forearm.
¬ Occupational cancer.
¬ Any disease attributed to an occupational exposure to a biological agent.
• Dangerous Occurrences: plant or equipment coming into contact with overhead power lines or explosions or fires causing work to be stopped for more than 24 hours.

If someone is off work for 7 days (not including the day of the incident) due to injury but not for a reason listed above, the responsible person must notify the HSE and/or ORR at that point.

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2
Q

What is classed as working at height?

A

‘Working at height’ means working in a place where a person could be injured by falling, even if it is at or below ground level. Note: most fatal falls are from heights of 4m or less

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3
Q

What are the current latest number of fatalities in the construction industry?

A

The number of deaths in the construction industry was higher than any other sector in the last financial year, new figures reveal.

Statistics from the Health and Safety Executive (HSE) have revealed that 40 people in the industry died in 2019/20, up from a record low of 30 in 2018/19.

The increase came as overall work-related fatal accidents in Britain dropped to their lowest figure on record, at 111. The figures do not include any statistics relating to coronavirus or any other disease, which are compiled separately.

Construction was the industry with the most deaths in the period, with fatalities twice the number of agriculture, forestry and fishing, which stood at 20, down from 32 the previous year.

Data released by the HSE detailing the fatalities shows that falls from height accounted for 14 of the deaths, while being “trapped by something collapsing” caused 11.

In 2017/18 there were 144 fatalities. In 2018/19 there were 147 fatalities. There has been little/no reduction in the last 10 years, following 30 years of general reduction from approximately 500 a year. The five most common causes of fatal injuries (which are consistent with previous years) were due to:
• workers falling from height (40)
• being struck by a moving vehicle (30)
• being struck by a moving object (16)
• trapped by something collapsing/overturning (11)
• contract with moving machinery (14)

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4
Q

What are the Manual Handling Operations Regulations?

A
The Regulations (last amended in 2002) apply to a wide range of manual handling activities, including lifting, lowering, pushing, pulling or carrying. The process is:
     • avoid the need for hazardous manual handling, so far as is reasonably practicable (e.g. use plant and equipment);
     • assess the risk of injury from any hazardous manual handling that can’t be avoided; and
     • reduce the risk of injury from hazardous manual handling, so far as is reasonably practicable (e.g. provide training, limit maximum loads).

There is no maximum weight limit. This must be assessed for each situation based on a persons strength, fitness, underlying medical conditions, the weight to be lifted, the distance to be carried and the nature of the load.

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5
Q

What are the responsibilities of Employees under the HASAW Act?

A

Employees have clear responsibilities, as follows:

  1. “To take reasonable care for the health and safety of themselves and of other persons who may be affected by their acts or omissions at work.”
  2. “To cooperate with their employer so far as it is necessary to enable the duty or requirement of the employer to be performed, or complied with.”
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6
Q

What does it mean for risks to be as low as reasonable practicable (ALARP), or lowered so far as is reasonably practicable (SFAIRP)? How do you ensure risks are managed this way?

A

For a risk to be as low as reasonable practicable (ALARP), it must be possible to demonstrate that the cost involved in reducing the risk further would be grossly disproportionate to the benefit gained. The ALARP principle arises from the fact that infinite time, effort and money could be spent on the attempt of reducing a risk to zero. It should not be understood as simply a quantitative measure of benefit against detriment though and many ALARP considerations will not calculate the monetary risk and benefit. It is more a best common practice of judgement of the balance of risk and societal benefit.

When a calculation is completed though (generally via the Cost Benefit Analysis method), the September 2018 figure for the value of a prevented fatality is £1,897,129, although London Underground multiplies this number by 3 for calculations (i.e. it would spend ~£5.7m to reduce the chance of a fatality for 10 people from 0.4 to 0.3). Is should be noted that the figure is used for assessing aggregate risk to many people (e.g. a station fire). It would not be acceptable to send someone into a situation where they were certain to die if it would cost £6m to protect them.

So Far As Is Reasonably Practicable (SFAIRP) is essentially the same thing, but is the term used in the Health & Safety at Work Act.

Risks can generally be managed such that they are ALARP or lowered SFAIRP by follow Regulations as well as approved codes of practice if they exist, and guidance if they do not. The last resort is using first principles and a Cost Benefit Analysis to quantitatively ensure the risk are ALARP/lowered SFAIRP.

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7
Q

What are the Control of Vibration at Work Regulations?

A

The regulations require employers to identify which of their employees may be at risk from hand arm vibration (HAV) or whole body vibration (WBV) disorders. HAV disorders can be caused by the use of hand-held power tools and can cause painful and disabling disorders of the blood vessels, nerves and joints such as vibration-induced white finger. Whole body vibration is generally transmitted via the seat when sitting down in a vehicle/machine, or through the feet. Drivers of certain tractors, forklift trucks, quarrying or earth moving machinery could be exposed to WBV which could lead to back pain.

HAVs and WHVs must always be assessed, mitigated and monitored where there is risk. There are also set limits for: limit () and exposure (); limits are:
• Average daily exposure action value (EAV), where the employer must introduce a programme of controls to eliminate risk, or reduce exposure to as low a level as is reasonably practicable:
- Hand arm vibration 2.5 m/s² average.
- Whole body vibration 0.5 m/s² average.
• Average daily exposure limit value (ELV), where the employer must take immediate action to reduce their exposure below the limit value:
- Hand arm vibration 5 m/s² average.
- Whole body vibration 1.15 m/s² average.

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8
Q

What are the key state agencies that enforce the law?

A

The Health and Safety Executive (HSE), Office of Road and Rail (ORR), London Fire Brigade (LFB), Environmental Agency (EA), local authorities and the police.

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9
Q

What are is the hierarchy of control in relation to working at height?

A
  1. Avoid working at height if possible.
  2. Use an existing safe place of work.
  3. Provide work equipment to prevent falls.
  4. Mitigate distance and consequences of a fall.
  5. Instruction and training and/or other means.

For the above, collective protective measures (such as scaffolding) must be prioritised over personal protection (such as using a fall arrest harness).

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10
Q

What are the Construction Product Regulations.

A

They mandate CE marking (where applicable), which signify that a product complies with relevant safety, health and/or environmental regulations across the European Economic Area (EEA). Demonstrating compliance with the regulation requires an ‘attestation of conformity’ (AoC). There are 5 levels of AoC which depend on the nature of the product. It also means there is standardised information on the following (helpful for designers):
• Safety.
• Testing criteria
• Fire resistance.
• Mechanical resistance and stability.
• User instructions, including hygiene and environmental instructions.
• Protection against noise.
• Energy, economy and heat retention.
• Sustainable use of natural resources.
• Handling instructions.
• Storage recommendations.
• Maintenance.
• Warranties.
• Dealerships.

In the event of the UK leaving the EU with no deal, the UK will replace the system of CE Marking with UK Conformity Assessed (UKCA) Marking for placing products on the UK market. The process is identical and all that changes is the ‘mark’ itself. CE Marking will still be required for UK manufacturers who wish to place products in the EU market including Ireland, as whilst the UK will recognise the CE mark as equivalent, the EU will not intially recognise the UKCA mark (this may change when a post-Brexit deal is concluded).

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11
Q

Discuss behavioural safety.

A

Behavioural safety involves the application of behavioural science to construction safety. This means looking into why and how people act, and seeking to resolve safety issues and risks through those avenues. A key aim is to create a culture of safety, but this is often difficult on construction projects due to the frequent turn over of staff.

Over the last few decades, the people dying on construction sites have increasingly been older workers, whereas previously they tended to be younger ones with little experience. One theory is that the training and education is effective for younger people, but there may be a behavioural issues with more veteran workers. Whilst they have received much more training over their careers, they have ‘got away’ with doing things unsafely for so long that they struggle to break the habit or appreciate the risks. They were also working when H&S was much less stringent (especially pre 1990) and learnt their trade in those conditions. This is why, against an average of 0.45 fatalities per 100,000 workers overall, there were:
• 0.21 fatalities per 100,000 workers aged 16 to 19;
• 0.29 fatalities per 100,000 workers aged 20 to 24;
• 0.53 fatalities per 100,000 workers aged 55 to 59;
• 0.92 fatalities per 100,000 workers aged 60 to 64; and
• 1.99 fatalities per 100,000 workers aged 65+.

Source (has all age ranges): https://www.hse.gov.uk/statistics/pdf/fatalinjuries.pdf

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12
Q

What are the responsibilities of an Employer under the HASAW Act?

A

“It shall be the duty of every employer to ensure, so far as is reasonably practicable, the health, safety and welfare at work of all his employees.” Specific requirements are:
• The provision and maintenance of safe plant and safe systems of work.
• The provision of information, instruction, training and supervision.
• The maintenance of a safe place of work and provision and maintenance of a safe means of access to, and egress from it.
• Adequate facilities and arrangements in respect of employee’s welfare at work.
• Consult employees.
• Have a safety policy
• Not charge for equipment

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13
Q

What is the Corporate Manslaughter and Corporate Homicide Act?

A

The Act (introduce in 2007) means companies and organisations can be found guilty of corporate manslaughter as a result of serious management failures resulting in a gross breach of a duty of care. Whilst prosecutions are of the organisation as a whole, directors etc. can be liable. The associated HSE guidance states the following as essential principles:
1. Strong and active leadership from the top:
• visible, active commitment from the board;
• establishing effective ‘downward’ communication systems and management structures;
• integration of good health and safety management with business decisions.
2. Worker involvement:
• engaging the workforce in the promotion and achievement of safe and healthy conditions;
• effective ‘upward’ communication;
• providing high-quality training.
3. Continuous assessment and review:
• identifying and managing health and safety risks;
• accessing (and following) competent advice;
• monitoring, reporting and reviewing performance.

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14
Q

What does RIDDOR stand for? When is a RIDDOR reportable? When is a RIDDOR recordable?

A

The Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR).
• RIDDORs are immediately reportable for a variety of specified injuries, diseases and dangerous occurrences, as well as work related deaths that aren’t the result of suicide. RIDDORs are also reportable if someone is off work for 7 days or more (not including the day of the accident) for a non-specified injury. A report must be received within 10 days of the incident or within 15 days for accidents resulting in the over seven-day incapacitation of a worker.
• RIDDORs are recordable is someone is off for 3 days or more.

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15
Q

What are the Health and Safety Information for Employees Regulations?

A

The Regulations (introduced in 1989) require employers to display a poster telling employees what they need to know about health and safety.

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16
Q

What regulations control high risk materials?

A

• The Control of Lead at Work Regulations 2002
• The Control of Asbestos Regulations 2006
Both specify maximum exposure limits before competent specialist contractors are required.

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17
Q

What are the Management of Health and Safety at Work Regulations 1999?

A

The Management of Health and Safety at Work Regulations 1999 require employers and the self-employed to carry out a risk assessment. Employers with five or more employees need to record the significant findings. They must then make arrangements for implementing the H&S measures identified as necessary by the RA such as:
• appoint competent people to help implementation;
• set up emergency procedures;
• provide clear information and training to employees;
• co-operate, and work together, with other employers sharing the same workplace;
• display Health and Safety law posters.

It also formally established the principles of prevention. These are often simplified to ERICPD: eliminate, reduce, isolate, control, protection and discipline.

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18
Q

What are the 4 types of duties in health and safety law?

A

1) Absolute Duty, indicated by the words “shall ensure”. Examples include the safeguarding of machinery “every employer shall ensure that measures are taken which are effective to prevent access to any dangerous part of machinery…..”
2) Practicable Duty, defined as “possible to be accomplished with known means or resources”. It is not possible for employers to allege that something is impracticable because it might slow up production or is otherwise inconvenient or difficult.
3) So Far As Is Reasonably Practicable (SFAIRP), indicated by the words “suitable and sufficient”. SFAIRP is essentially identical to risk that is As Low As Reasonable Practicable (ALARP). The sacrifice (in terms of time, money or trouble) must be shown as being greatly disproportionate to risk reduction achieved. If challenged by the enforcing authority, the employer has to prove that the measures and precautions taken were reasonably practicable in the circumstances.
4) Reasonable Care, indicated by the words “reasonable care”. This requires the degree of caution and concern an ordinarily prudent and rational person/organisation would use in similar circumstances. Not taking reasonable care would imply negligence.

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19
Q

What do companies have health and safety policies?

A

Every company has a legal obligation to have a written health and safety policy under the Health and Safety at Work Act.

TfL’s is one page commitment to health, safety and the environment, which is signed by the Commissioner and Managing Directors. It states the vision of “everyone home safe and healthy every day”. It also includes:
• a commitment to put in place processes and rules for normal and emergency situations.
• a commitment to have yearly improvement plans.
• a commitment to as low as reasonable practicable (ALARP) risk.
• a commitment to train and develop staff.

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20
Q

What are the Lifting Operations and Lifting Equipment Regulations (LOLER)?

A

The Lifting Operations and Lifting Equipment Regulations (latest revision is 1998) requires that:
• equipment is fit for purpose, marked with the safe working load (SWL), tested and identified properly, and is confirmed as strong and stable enough. Minimum testing frequency varies based on if people (6 months) or materials (12 months) are being lifted.
• lifting operations must be planned, supervised and carried out in a safe manner by people who are competent.
• where equipment is used for lifting people it must be marked accordingly.

In BS 7121 (Code of Practice for Safe Use of Cranes), the competent person is referred to as the ‘Appointed Person’.

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21
Q

What powers does the HSE have during a visit to a construction site?

A

The HSE or ORR can send an inspector to any site. They ensure workers are safe and can stop work if something dangerous is occurring. After the visit they can do any or all of the following:
• give you an improvement notice (21 days to improve),
• give you a prohibition notice (stop doing something until it has been made safe),
• prosecute you.

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22
Q

What are the responsibilities of Designers, Suppliers and Manufacturers under the HASAW Act?

A

Designers, Suppliers and Manufacturers must ensure that:
• articles and substances are designed and constructed so that they are safe and without risk to health when they are being prepared for use, used, cleaned and maintained.
• articles and substances are tested where it is necessary to ensure that the article will be safe.
• users are provided with adequate information about the use for which the articles or substances has been designed and any conditions that may be necessary when it is used.
• where the information is revised, it is supplied to the user.

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23
Q

What is the Six Pack Set of Regulations?

A

Under the Health and Safety at Work Act 1974, they are:
• Manual Handling Operations Regulations.
• Personal Protective Equipment at Work Regulations.
• Health and Safety (Display Screen Equipment) Regulations.
• Workplace (Health, Safety and Welfare) Regulations.
• The Provision and Use of Work Equipment Regulations.
• Management of Health and Safety at Work Regulations.

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24
Q

What is AFR? What is LTIFR? What is TfL’s AFR and LTIFR?

A

Accident Frequency Rate and Lost Time Injury Frequency Rate. Lost time injuries include all on-the-job injuries that require a person to stay away from work more than 24 hours, or which result in death or permanent disability.
• AFR = (RIDDOR accidents per year/employment) x 100,000. TfL’s was is 0.15 (Construction industry generally is 0.22)
• LTIFR = (lost time injuries/total employee hours worked) x 100,000 (sometimes companies multiply a million). TfL’s is 0.28

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25
Q

What does the term ‘Appointed Person’ refer to?

A

The Lifting Operations and Lifting Equipment Regulations (latest revision is 1998) states that, amongst other things, lifting operations must be planned, supervised and carried out in a safe manner by people who are competent.

In BS 7121 (Code of Practice for Safe Use of Cranes), the competent person for a lift operation(s) is referred to as the ‘appointed person’. BS 7121 recommends that the ‘appointed person’ in any lifting operation:
• generally selects the crane(s) and lifting accessories for the job
• carries out approval of all risk assessments, lift categorisation and method statements.
• gives instruction to other employees on the operation, supervises work and consults with other responsible bodies to ensure that work is undertaken as safely as possible.

The responsibilities of an ‘Appointed Person’ mean that it is highly desirable as well as recommended that anyone wanting to fulfil this role has a background in lifting operations. An appointed person must be able to assess site conditions and equipment and make recommendations based on the type of task being carried out. This is all easier to do with a background in lifting. Despite this, it isn’t necessary for an appointed person to have any formal qualification to carry out their job; legislation places emphasis on competency and it is the employer’s role to ensure that an ‘appointed person’ is competent. Competency is often judged by several factors including experience, but it is very likely that a relevant qualification will be asked for, for which there are two main training schemes in the UK.

26
Q

Why would we use an ACoP or Guidance Note? What are the and would take precedent? Why would you not use either and what would occur if an incident occurred that was not in accordance with ACoP or the Guidance Note?

A

Approved Codes of Practices (ACoP) are issued by the Health and Safety Executive and give advice on how to comply with the law by providing a practical guide to what is ‘reasonably practicable’. For example, if regulations use words like ‘suitable and sufficient’, an ACoP can illustrate what this requires in particular circumstances. It is important to note ACoPs will not be applicable in every situation and care must be taken to ensure they are relevant to a particular application, as well as that no additional measures are required due to specific risks. ACoPs have a special legal status. If employers are prosecuted for a breach of health and safety law, and it is proved that they have not followed the relevant provisions of the ACoP, a court can find them at fault unless they can show that they have complied with the law in some other way.

The HSE also publishes guidance on a range of subjects. Following guidance is not compulsory and employers are free to take other action. But if they do follow guidance they will normally be doing enough to comply with the law. Guidance is issued to:
• explain how the law should be interpreted
• to help people comply with the law;
• to give technical advice.

Note: British Standards (with a few exceptions) are examples of ‘best practice’. They are most similar to ACoPs and are not legal requirements.

27
Q

What are the Working at Height Regulations?

A

The Working at Height Regulations (latest revision is 2005) mandates:
• Strength and stability calculations are required for scaffolds unless built to a standards configuration (I.e. product data sheets or TG20).
• All work at height must account for weather conditions.
• Competence of and training for those who engage in any activity (including organisation, planning and supervision) relating to work at height. I.e. also covers the inspection of work equipment for work at height.
• The implementation of the 8 level hierarchy of control.

‘Working at height’ means working in a place where a person could be injured by falling, even if it is at or below ground level.

28
Q

What does COSSH stand for? What do the COSSH regulations require?

A

Under the Control of Substances Hazardous to Health (COSHH) Regulations (last amended in 2002), an employer has a duty to protect they workers from exposure to harmful substances. This means they must assess the risks associated with the use of chemicals, solvents and other agents, and take all necessary steps to prevent the risks from affecting their employees. This means following a hierarchy of control measures:

 1. Eliminate the use of a harmful product or substance and use a safer one.
 2. Use a safer form of the product, e.g. paste rather than powder.
 3. Change the process to emit less of the substance.
 4. Enclose the process so that the product does not escape.
 5. Extract emissions of the substance near the source.
 6. Have as few workers in harm’s way as possible.
 7. Provide personal protective equipment (PPE) such as gloves, coveralls and a respirator. PPE must fit the wearer.

Where necessary employers must introduce a system of health surveillance. They must also provide information and training to all staff about the risks associated with hazard substances, particularly those which cause dermatitis, many cases of which are RIDDORs.

29
Q

What are the Health and Safety (First Aid) Regulations?

A

The minimum requirements of the regulations (introduced in 1981) on any work site are:
• a suitably stocked first-aid kit.
• an appointed person to take charge of first-aid arrangements.
• information for employees about first-aid arrangements.

30
Q

What types of enforcement notices can be issued that relate to health, safety and welfare? Who can issue them?

A
  • Improvement notices – require the person to remedy the contravention or the matters occasioning it in the specified period for compliance (should be not less than 21 days from the date of service of the notice) during which the recipient of the notice may lodge an appeal with the employment tribunal.
    • Prohibition notices – issued to direct that an activity should not be carried on by or under the control of the person on whom the notice is served, unless the matters giving rise to the inspector’s opinion have been remedied.

In the UK, they can be issued by the Health and Safety Executive (HSE) or the Office of Road and Rail (ORR).

31
Q

What is a Section 61 agreement?

A

Forms part of the Control of Pollution Act 1974. Section 61 focuses on prior consent for work on construction sites. The process is:

 1. An application is sent to the local authority. It must include works to be done and the proposed methods of minimising noise produced by the works, as well as the anticipated noise levels.
 2. The local authority has 28 days to accept/reject. They can add any condition and limit the consent.
 3. Applicant can then appeal to magistrates court if they disagree (within 21 days) with the terms of the rejection.
32
Q

What are the Workplace (Health, Safety and Welfare) Regulations?

A

The Regulations (introduced in 1992) cover the following requirements, which must be provided in all workplaces:
1) Health
• Ventilation.
• Minimum indoor temperatures of 16 degrees Celsius, or 13 if manual handling is involved. Note there is no set maximum but employers should prevent the workplace from being uncomfortable hot. There are also specific additional requirements for hot and cold working.
• Lighting, including automatic emergency lighting.
• Cleanliness and waste removal.
• Room size (minimum 11m3 per person, using 3m as a maximum for ceiling height).
2) Safety
• A maintained work environment.
• Floor and traffic routes that are sufficient for circulation.
• Transparent or translucent objects that are made from a safety material where they pose a risk.
• Windows that are safe to open and close, as well as safe when opened.
3) Welfare
• Sanitary conveniences and washing facilities
• Drinking water
• Accommodation for clothing and facilities for changing
• Facilities for rest and to eat meals

33
Q

What are the principles of prevention?

A
  1. Avoiding the risk.
  2. Evaluating the unavoidable risks.
  3. Combating the risks at source.
  4. Adapting the work to the person.
  5. Adapting to technical progress.
  6. Substitution.
  7. Development of an overall prevention policy.
  8. Collective protection measures.
  9. Instructions to workers.

The acronym ERICPD is often used as a simplification of the above. ERICPD stands for eliminate, reduce, isolate, control, protect and discipline. ERIC PD is also known as the general hierarchy of risk controls.

34
Q

What are the Provision and Use of Work Equipment Regulations?

A

The Regulations (introduced in 1998) apply to all equipment including mobile, non-electric and lifting. For example: tool box tools, mechanised plant, lifting equipment and ladders. The main requirements are:
• Equipment must be suitable for purpose, maintained, and regularly inspected (when first installed, prior to use, and when anything has occurred to alter the equipment or its use) by competent person;
• Risks are to be eliminated by “Hardware” (guards etc.) and/or “Software” (safety systems);
• Emergency stops systems need to be in place;
• Employees must have sufficient safety information, instruction and training to use the equipment;
• Suitable and sufficient lighting must be provided when using equipment.

35
Q

What are hazards, risks and safety defined as?

A

As per EN 50126:
• A hazard is any situation that could contribute to an accident. Note that a hazard is a situation and not an event.
• A risk is the probable rate of occurrence of a hazard causing harm and the degree of severity of the harm.
• Safety is the freedom from unacceptable risk of harm.

36
Q

What is the general hierarchy of risk controls?

A
  1. Eliminate the hazard. Can you do without it, have it done off site?
  2. Reduce. Reduce the exposure to noise by increasing the distance between the noise source and the employee. Reduce the harmful substance, can you use something less harmful.
  3. Isolate. Separate the noise from the employee. Put an acoustic hood over the equipment or put the employee in an acoustic booth.
  4. Control. Have interlocks and guards fitted. If you open the guard the equipment should stop, think how your microwave oven works.
  5. Personal Protective Equipment (PPE). The least desirable mitigations. PPE will only protect the person wearing it and that is assuming they have the right PPE.
  6. Discipline/training. Employees need to be trained to work in a hazardous environment. Discipline must be maintained to ensure risk mitigation measures are followed.
37
Q

Where do the requirements for Safe Systems of Work and written Risk Assessment come from?

A
  • Safe Systems of Work are required by the Health and Safety at Work Act 1974.
    • Written Risk Assessment are required by the Management of Health and Safety at Work Regulations 1999.
38
Q

What is the UK’s prominent H&S legislation?

A

The Health and Safety at Work Act 1974. It places duties on employers, employees, contractors, suppliers of goods and substances for use at work. The Act created the HSE and allowed subsequent Regulations to be implemented.

39
Q

Define competence. Is a CSCS card a sign of competence?

A

Competence is having the right skills, knowledge, experience, training and attitude. A CSCS card shows knowledge at the point in time that the test was completed only.

40
Q

What is the Health and Safety at Work Act 1974

A

The Act (introduced in 1974) is an umbrella act that created of the Health and Safety Commission and Health and Safety Executive, since merged, and bestows extensive enforcement powers, ultimately backed by criminal sanctions extending to unlimited fines and imprisonment for up to two years. Key duties are:
• Duties of employers: ensure, so far as is reasonably practicable, the health, safety and welfare at work of all his/her employees, specifically by safe provision and maintenance of plant and systems of work, as well as information and training. Also prepare and keep under review a safety policy. Trade unions may appoint safety representatives and demand safety committees. Since 1996 employers have had a duty to consult all employees on safety matters. No employer may charge an employee for provision of health and safety arrangements.
• Duties of persons having control of premises:
Section 4 defines a duty of occupiers of premises, for example commercial landlords, managers of serviced office accommodation, and also maintenance contractors, towards people who use those premises for work. Those premises, and the means of entry and exit, must be, as far as reasonably practicable, safe and without risks to health.
• Duties of employees: Take reasonable care for the health and safety of him/herself and of other persons who may be affected by his/her acts or omissions at work; and co-operate with employers or other persons so far as is necessary to enable them to perform their duties or requirements under the Act.
• Duties of persons in general: “no person shall intentionally or recklessly interfere with or misuse anything provided in the interests of health, safety or welfare in pursuance of any of the relevant statutory provisions.”

41
Q

What are the Control of Noise at Work Regulations?

A

The Regulations (introduces in 2005) have the following limits:
• Lower Exposure Limit (at which employers are required to assess the risk to workers health and provide employees with information and training) of 80 dB(A) and 135 dB(C)
• Upper Exposure Limit (at which employers needed to provide hearing protection and hearing zone) of 85 dB(A) and 137 dB(C)
• Exposure Limit Value (above which employees should not be expose) of 87 dB(A), 140 dB(C)
Where db (A) refers to average level of exposure and db (C) refers to peak sound pressure.

42
Q

What are the Personal Protective Equipment at Work Regulations?

A

The Regulations (last updated in 1992) require that PPE should be used as a last resort. Wherever there are risks to health and safety that cannot be adequately controlled in other ways, PPE to be supplied. They also require that PPE is:
• properly assessed before use to make sure it is fit for purpose;
• maintained and stored properly;
• provided with instructions on how to use it safely;
• used correctly by employees.

43
Q

Can you give me 2 H+S regs you worked to on Finsbury Park and give me an overview of them?

A

Electricity at Work Regulations 1989:
Expands on rules regarding electrical safety in the Health and Safety at Work Act 1974. As with the HASAWA, employers are given duties and responsibilities to make sure that all work activity that uses or may be affected by electricity is done safely, and that all foreseeable risks are assessed and minimised as much as possible.
The regulations are not purely to prevent electric shocks, but also mean employers must take into account the suitability, design, construction and installation of electrical systems used for specific tasks in the workplace, where such systems are sited and the protection and precautions provided for the use of such systems.
In most workplaces, the most common use of the regulations is the PAT Testing of all electrical devices.

The Control of Noise at Work Regulations 2005:
The Control of Noise at Work Regulations 2005 place a duty on employers within Great Britain to reduce the risk to their employees health by controlling the noise they are exposed to whilst at work.
Lower Exposure Limit: 80 dB(A), 135 dB(C)
Upper Exposure Limit: 85 dB(A), 137 dB(C)
Exposure Limit Value: 87 dB(A), 140 dB(C)
The lower exposure level of 80 dB(A) meant that should an employee’s average exposure be over that amount then the employer would be required to assess the risk to workers health and provide employees with information and training.
The upper exposure level of 85 dB(A) represented the limit at which employers needed to provide hearing protection and hearing zones.
The exposure limit value of 87 dB(A) represented the limit at which employees should not be exposed.

44
Q

SOR: Where does the requirements for SSOWs come from?

A

Health & Safety at Work Act 1974.

45
Q

SOR: What were you looking for when you reviewed the SSOWs.

A

That the methodology had been clearly layed out and was in line with the specification and design issued. That any risks had been highlighted and were ALARP.

46
Q

What is the Regulatory Reform (Fire Safety) Order 2005?

A

‘The regulations require that there is a ‘responsible person’ (RP). The role of the RP will default to the most senior person in an organisation if not appointed. The responsible person must take fire precautions. A risk assessment must be produced and stored. The RP is also accountable for the following tasks:
• assess dangerous substances on site and either remove them or reduce them (i.e. only enough welding gas for 2 days and have regular re-stocks rather than having enough for the year long programme).
• provide appropriate fire detection systems
• provide approprioate fire fighting equipment that is easily accessible, simply to use and indicated by signs.
• provide sufficient emergency exits (number, size and distribution) and keep them as well as the routes to them clear at all times. Specific requirements include that they: cannot be sliding or revolving doors; must open in the direction of escape, must be indicated with signs; must be served by normal and emergency lighting; and must not be locked.
• inform others around them of the hazards they present, and find out what hazards others might present.
• inform people of the risks and mitigation in place, then train them, as well as also inform them if things change.
• conduct drills and have appropriate procedures;
• maintain all fire systems.
• where two or more responsible persons share, or have duties in respect of, premises, they must all coordinate, cooperate and communicate.
• appoint competent persons to help them.

47
Q

What are the four stages of a fire?

A

Incipient – This first stage begins when heat, oxygen and a fuel source combine and have a chemical reaction resulting in fire. This is also known as “ignition” and is usually represented by a very small fire which often (and hopefully) goes out on its own, before the following stages are reached. Recognizing a fire in this stage provides your best chance at suppression or escape.

Growth – The growth stage is where the structures fire load and oxygen are used as fuel. There are numerous factors affecting the growth stage including where the fire started, what combustibles are near it, ceiling height and the potential for “thermal layering”. It is during this shortest of the 4 stages when a deadly “flashover” can occur. Historically, this sudden increase in the fire has trapped, injured and killed firefighters and other responders.

Fully Developed – When the growth stage has reached its maximum and all combustible materials have been ignited, a fire is considered fully developed. This is the hottest phase of a fire and the most dangerous for anybody trapped nearby.

Decay – Usually the longest stage of a fire, the decay stage is characterized a significant decrease in oxygen or fuel, putting an end to the fire. Two common dangers during this stage are first – the existence of non-flaming combustibles, which can potentially start a new fire if not fully extinguished. Second, there is the danger of a backdraft when oxygen is reintroduced to a volatile, confined space.

48
Q

What are the Fire Precautions (Sub-surface Railway Stations) Regulations?

A

These regulations apply to stations where more than half of their platforms are enclosed (see S1086 for a full list). Unless the London Fire Brigade (LFB) have agreed a specific exemption in writing, they requirement that:
• Doors that aren’t on routes of escape must be kept locked.
• Automatic fire suppression must be installed in rooms with electrical switchgear, except one that houses escalator or lift machinery.
• Automatic fire detection must be installed in rooms with suppression, and offices that are not fire compartmentalised, as well as staff rooms.
• The station premises requires a public address system.
• All parts of the station must be kept clear of combustible matter.
• Each member of staff must be given basic emergency instructions as soon as practicable.
• At least two people must be on duty at all times.

Note: The LFEPA provided exemptions until it was abolished in 2017, with duties transferred to the LFB.

49
Q

Provide some of the key conclusions of the Desmond Fennel investigation into the 1987 King’s Cross Underground Fire.

A

The 287 page report with 157 recommendations aimed to investigate: how the fire started; why was there a flashover (where fire spreads very rapidly through the air because all of the combustible materials reach ignition temperatures at the same time); and why 31 people died. The implemented recommendations are the basis of many Operational procedures and processes.

Key factors in why the fire started - people continued to smoke (even though it had been banned in 1985), especially on the escalator when about to leave the station (the fire started on the ‘Up’ escalator). The escalator was not being cleaned or maintained properly, even though problems (such as missing fire cleats) had been raised. Numerous previous very small fires on the escalator had been ignored/not recognised as a major cause for concern.

Notes on the flashover - the fire started at approx. 19:25 when the wooden track (where a significant amount of grease, dust and debris has accumulated) came a light. The fire was effectively carried with the escalators movement and spread to the top (passenger) side via the wooden skirting boards. Between 19:43 and 19:45, flashover occurred and a modest fire erupted. It happened because the amount of the escalator on fire increased (including both balustrades and floor) to the point where air can no longer entrain to the top of the flame, causing the flames to ‘lie down’ and the hot gases to stay beneath the escalator floor in the trench below. This caused preheating of the entire trench and a section of the ticket hall including the ceiling paint that produced thick black smoke when it all lit in a very short space of time (i.e. flashover).

Key factors in why there was so much loss of life - there was no fire response or evacuation plan and the member of staff who investigated the first alarm had no fire training and initially directed people to an exit he did not realise had been closed. The key station staff were all on meal breaks. The police who managed the evacuation until the fire services arrived did not fully understand the station layout. They evacuated the lower levels via an alternate route to the ticket hall, but the dense black smoke after flashover made this deadly. This was compounded by a wooden hoardings that were dealing part of the ticket hall and locked Bostwick gates elsewhere in the station without panic releases or keys immediately available to the emergency services. Nothing was applied to temper the fire until 19:45, when flashover occurred and it was essentially too late.

Other factors - unclear who had responsibility for customer safety and this was not monitored effectively or audited at all. Fire was considered inevitable on parts of the Underground, and termed ‘smouldering’. The hazard caused by smoke was not understood. There was no one in the control centre and much of the equipment was out of order. The public address system was not used. Radio didn’t work underground. There was no fire detection system in the escalators. There was no consideration to evacuate by train. There was no staff assembly point or emergency service rendezvous point. The Railway Inspectorate did not audit LU effectively and there was inadequate liaison with the fire brigade.

50
Q

When must a scaffold be inspected? What regulations relate to these requirements?

A

The requirements come from the Working at Height Regulations 2005 and state a scaffold must be inspected:
• before it is used for the first time and then every 7 days, until it is removed.
• each time it is exposed to conditions likely to cause deterioration (e.g. following adverse weather conditions)
• following substantial alteration.

51
Q

What do the Working Time Regulations state?

Question: “How did you manage this? What are the maximum hours someone can work a day, and max days in a row? What dictates that?”

A

The Working Time Regulations state:
• Unless the individual worker has agreed in writing that it should not apply to them, the working time averaged over a rolling 17 week period should not exceed 48 hours per week.
• An adult worker is entitled to a rest period of not less than eleven consecutive hours in each 24-hour period during which they works for their employer.
• Works are entitled two uninterrupted rest periods each of not less than 24 hours, or one uninterrupted rest period of not less than 48 hours, in each 14-day period.

Adherence to the Working Time Regulations does not manage the risk of fatigue and suppliers should assess fatigue risks and implement controls to reduce them, so far as is reasonably practicable.

Regulation 25 of the Railways and Other Guided Transport Systems (Safety) Regulations 2006 (ROGS) provides further information one controlling fatigue in staff performing safety critical activities.

52
Q

What is the F.E. Bird Triangle?

A

It states that for every fatality, there are 10 serious accidents, 30 minor accidents, 600 near misses and 2500 unsafe acts. Note: the numbers are indicative and there is significant debate about the exact ratios. Regardless, reducing near misses is shown to reduce accidents. However, it has received criticism for focusing attention on minor accidents and near misses, as opposed to serious injuries and fatalities, which often emanate from different risk sources.

53
Q

What is Cost Benefit Analysis (CBA) in support of risk that is managed as low as reasonable practicable(ALARP)/so far as is reasonably practicable(SFAIRP)?

A

In a Cost Benefit Analysis (CBA), all costs and benefits are expressed in a common currency, usually money, so that a comparison can be made between different options. It is a defined methodology for valuing costs and benefits that enables broad comparisons to be made between health and safety risk reduction measures on a consistent basis, giving a measure of transparency to the decision making process. A CBA cannot form the sole argument of an ALARP decision nor can it be used to undermine existing standards and good practice.

54
Q

What are The Confined Space Regulations? What is a confined space defined as?

A

The Regulations (introduced in 1997) required that:
• It must always be considered whether one can avoid working within the confined space, or failing that the space be modified so it is no longer a confined space.
• Risks related to: the general space conditions; from the works; from outside the space and to emergency rescue be considered.
• Permit to enter systems and emergency procedures should be in place.

A confined space is one where, by virtue of its enclosed nature, there arises a reasonably foreseeable ‘specified risk’. It is not possible to provide a comprehensive list of confined spaces. Some places may become confined spaces when work is carried out, or during their construction, fabrication or subsequent modification. ‘Specified risks’ include:
• Serious injury from fire or explosion;
• Loss of consciousness from increase in body temperature;
• Loss of consciousness or asphyxiation from gas/fume/vapour/lack of oxygen;
• Drowning;
• The inability to reach a respirable environment due to entrapment by a free flowing solid;

55
Q

What is Root Cause Analysis?

A

Root cause analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems. A factor is considered a root cause if removal thereof from the problem-fault-sequence prevents the final undesirable outcome from recurring; whereas a causal factor is one that affects an event’s outcome, but is not a root cause. Though removing a causal factor can benefit an outcome, it does not prevent its recurrence with certainty. Essentially it is a four step process:
1) Define and describe properly the event or problem (e.g. via the ‘five whys’ technique).
2) Establish a timeline from normal situation until the final crisis or failure.
3) Distinguish between root causes and causal factor.
4) Assess solutions to prevent reoccurrence.
RCA can also be used pre-emptively as an effective method of mitigating faults or problems.

56
Q

What is leptospirosis?

A

Leptospirosis is an infection caused by bacteria, which can be found in the urine of infected animals such as rats and mice. Signs and symptoms can range from headaches, muscle pains, and fevers to bleeding from the lungs or meningitis. It is often initially mistaken for a fever but can be fatal.

57
Q

What are some fallacies (i.e. commonly perceived but actually false) around as low as reasonable practicable (ALARP) risk?

A

There are 4 fallacies provided by the HSE:
• Fallacy 1 – Ensuring that risks are reduced ALARP means that we have to raise standards continually.
• Fallacy 2 – If a few employers have adopted a high standard of risk control, that standard is ALARP.
• Fallacy 3 – Ensuring that risks are reduced ALARP means that we can insist on all possible risk controls.
• Fallacy 4 – Ensuring that risks are reduced ALARP means that there will be no accidents or ill-health.

58
Q

What are the Health and Safety (Display Screen Equipment) Regulations?

A

The Regulations (introduced in 1992) requires employers whose workers who spend a significant part of their normal work using Display Screen Equipment (DSE) to:
• analyse workstations to assess and reduce risks;
• make sure controls are in place;
• provide information and training;
• provide eye and eyesight tests on request, and special spectacles if needed;
• review the assessment when the user or DSE changes.

59
Q

What is the Employers’ Liability (Compulsory Insurance) Act?

A

The Act (introduced in 1969) require employers to take out insurance against accidents and ill health to their employees.

60
Q

Finsbury Park: Are the lift pits a confined a space?

A

See definition in previous question.

61
Q

teest

A

test