Repair and maintain mastic asphalt

This standard is about repairing and maintaining mastic asphalt. It includes identifying and repairing surface defects in mastic asphalt.

This standard will also involve interpreting information, adopting safe, healthy, and environmentally responsible work practices, selecting, and using materials, components, tools and equipment, minimising damage, and working within the allocated time, in accordance with organisational requirements which are equal to or exceed current statutory and legislative requirements.

This standard is for people working in the occupational area of mastic asphalt and can be used by operatives, supervisors, and managers.

Interpretation of information
P1 interpret the information relating to the work and resources to confirm its relevance for the following:

• drawings
• specifications
• schedules
• risk assessments
• method statements
• oral and written instructions
• manufacturer’s information

Safe work practices
P2 comply with the current legislation and official guidance to carry out the work, and maintain safe systems of work relating to the following:

• methods of work
• safe use of health and safety control equipment
• safe use of access equipment or systems
• safe use, storage and handling of materials, tools, and equipment
• specific risks identified through a risk assessment or during work
• specific risks to health including mental health and wellbeing

Selection of resources
P3 select the correct required quantity and quality of the following resources for the methods of work:

• materials
• components and fixings
• tools and equipment

Minimise the risk of damage
P4 comply with organisational procedures to minimise the risk of possible damage to the work, its surrounding area, and environment by:

• protecting the work and its surrounding area
• maintaining a safe, clear, and tidy, work space
• disposing of waste in accordance with site procedures and current legislation

Meet the contract specification
P5 comply with the contract information to repair and maintain mastic asphalt efficiently to the required specification by:

• demonstrating work skills to:
  • prepare the area
  • cut material to size
  • fit, apply, and position, materials where required
  • clean and dry substrates and surfaces
• using and maintaining tools and equipment
• visually inspecting and surveying the condition of mastic asphalt and repairing to working instructions for:
  • cracks, splits, and blisters
  • removing debris and freeing blockages to gutters and outlets

Approach to the work
P6 complete the work within the estimated and allocated time, in accordance with organisational procedures, the programme of work, and to meet the needs of others and the client

P1 Interpretation of information
K1 why organisational procedures have been developed and how they are implemented
K2 types of information, their source and how they are interpreted in relation to:

• drawings
• specifications
• schedules
• risk assessments
• method statements
• manufacturer’s information
• oral and written procedures for dealing with damaged and incorrect materials and resources
• current legislation and regulations governing buildings

K3 the importance of reporting and rectifying inappropriate information
K4 the range of relevant digital services, tools, and systems, and how they are used

P2 Safe work practices
K5 information for current legislation and official guidance and how it is applied
K6 the different types of fire extinguishers and how and when they are used in relation to:

• water
• CO2
• foam
• powder

K7 how emergencies should be responded to in accordance with organisational authorisation and personal skills, in relation to:

• fires, spillages, injuries
• emergencies relating to occupational activities
• identification of and reporting of asbestos containing materials

K8 the organisational security procedures for tools, equipment, and personal belongings, in relation to:

• operative
• site
• workplace
• company
• vehicles
• customer
• the general public
• plant equipment

K9 how to report risks and hazards identified by the following:

• methods of work
• risk assessment
• personal assessment
• manufacturer's technical information
• statutory regulations
• official guidance
• Control of Substances Hazardous to Health (COSHH)

K10 the accident and near miss reporting procedures and who is responsible for making the report
K11 why, when, and how health and safety control equipment, identified by the principles of prevention should be used, in relation to :

• collective protective measures
• personal protective equipment (PPE)
• respiratory protective equipment (RPE)
• local exhaust ventilation (LEV)

K12 how to comply with environmentally responsible work practices to meet current legislation and official guidance
K13 the organisational procedures when dealing with potential accidents, health hazards, and the environmental impact, whilst working:

• in the workplace
• below ground level
• in confined spaces
• at height
• on the highway
• with tools and equipment including plant equipment and gas
• with materials and hazardous substances
• when moving and storing materials by manual handling and mechanical lifting

P3 Selection of resources
K14 why the limitations, sustainability, and defects, associated with the resources are important and how defects should be rectified
K15 why the resources have been selected and how they are used
K16 how to confirm the resources and materials conform with the specified task
K17 how the resources should be used, and how any problems associated with the resources are reported in relation to:

• mastic asphalt
• bitumen
• adhesives
• felts
• solar protection
• air and vapour control layers (AVCLs)
• expanded metal lath
• flashings
• edge trims
• gas
• lime dust
• rubbing sand
• asphalt buckets
• associated fixings and fittings
• digital equipment
• tools and equipment
• temporary traffic management equipment
  
  

K18 how to identify the hazards associated with the resources, and methods of work, and how they are overcome
K19 methods of calculating the quantity, length, square meterage, and possible percentage of wastage, associated with the method and procedure to repair and maintain mastic asphalt

P4 Minimise the risk of damage
K20 how to protect work, its surrounding area, and the environment, from possible damage and the purpose of protection from general workplace activities, other trades, and adverse weather conditions
K21 how to minimise damage to existing building fabric
K22 why and how, the safe disposal of waste must be carried out in accordance with the following:

• environmental responsibilities
• organisational procedures
• manufacturer’s information
• site guidance

K23 why it is important to maintain a safe, clear, and tidy, work space

P5 Meet the contract specification
K24 how to meet the contract specification in relation to the following:

• how to identify and evaluate defects in mastic asphalt including mechanical and chemical damage
• how to carry out general maintenance requirements including cutting out damaged areas (cracks, splits, and blisters) and repairing with new hot mastic asphalt
• how to utilise mastic asphalt plant and equipment including:
  • mixers
  • cauldrons
  • hot charges
  • gas and gas torches
• why it is important to use gas in accordance with manufacturer’s instructions and official guidance
• the importance of constraints relating to the repair and maintenance of mastic asphalt on historic and listed buildings
• why it is important to identify and follow the installation quality requirements
• when to seek specialist advice
• the limits of your own authority
• how to work with, around, and in close proximity, to plant and machinery
• how to work at height
• how to use access equipment and systems
• how to use tools and equipment
• how and why operative care and maintenance of tools and equipment is carried out
• how to use temporary traffic management equipment and systems

K25 the importance of teamwork and communication
K26 the importance of mental health awareness and wellbeing
K27 the importance of applying fairness, inclusion, and respect (FIR), when dealing with others
K28 the needs of other trades associated with repairing and maintaining mastic asphalt

P6 Approach to the work
K29 the programme of work to be carried out, including the estimated and allocated time, and why deadlines should be kept