Prepare surfaces for membrane roofing systems
Overview
"This standard is about cleaning, drying and preparing surfaces appropriate to the substrate for the following waterproof membranes roofing systems reinforced bitumen, single ply and liquid applied on new and/or re-roofing contracts
This standard will also involve interpreting information, adopting safe, healthy and environmentally responsible work practices, selecting and using materials, components, tools and equipment, 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 reinforced bitumen, single ply and liquid membrane roofing systems and can be used by operatives, supervisors and managers"
Performance criteria
You must be able to:
Interpretation of information
P1 interpret the following information relating to the work and resources to confirm its relevance:
• drawings
• specifications
• schedules
• method statements
• risk assessments
• permits to work
• manufacturers’ information
• electronic data
• oral and written procedures
• current regulations
• site inductions
Safe work practices
P2 comply with the relevant legislation and official guidance to carry out the work and maintain safe and healthy work practices relating to the following:
• methods of work
• safe use of health and safety control equipment
• safe use of access equipment
• safe use, storage, handling and distribution of materials, tools and equipment
• specific risks to health
• specific risks associated with asbestos containing materials
• specific risk associated with respirable crystalline silica (RCS)
Selection of resources
P3 select the required quantity and quality of the following resources for the methods of work:
• materials
• components and fixings
• tools and ancillary equipment
Minimise the risk of damage
P4 comply with organisational procedures to minimise the risk of damage to the work and surrounding area by:
• protecting the work and its surrounding area from damage
• maintaining a safe, clear and tidy work area
• disposing of waste in accordance with current legislation
Meet the contract specification
P5 comply with the contract information to prepare surfaces for membrane roofing systems efficiently to the required specification by:
• demonstrating work skills to:
- measure
- cut
- mark out
- fit
- position
- secure
• using and maintaining hand tools, power tools and ancillary equipment including one of the following:
- LPG gas torch
- hot air gun
- electronic torch
• clean, dry and prepare surfaces as appropriate to the substrate to given working instructions for one of the following membrane roofing systems:
- reinforced bitumen
- single ply
- liquid applied
Allocated time
P6 complete the work within the estimated, allocated time in accordance with organisational procedures, the programme of work and to meet the needs of other occupations and/or client
Knowledge and Understanding
You need to know and understand:
P1 Interpretation of information
K1 why organisational procedures have been developed and how they are implemented
K2 the following types of information, their source and how they are interpreted:
• drawings
• specifications
• schedules
• method statements
• risk assessments
• permits to work
• manufacturers’ information
• electronic data
• oral and written procedures
• current legislation
• site inductions
K3 the importance of reporting and rectifying inappropriate information
P2 Safe work practices
K4 information for relevant, current legislation and official guidance and how it is applied
K5 the following types of fire extinguishers and how and when they are used:
• water
• CO2
• foam
• powder
K6 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
• identification of silica
K7 the organisational security procedures for tools, equipment and personal belongings in relation to:
• operative
• site
• workplace
• vehicles
• company
• customer
• the general public
K8 how to report risks and hazards identified by the following:
• methods of work
• risk assessment
• personal assessment
• manufacturers’ technical information
• statutory regulations
• official guidance
• Control of Substances Hazardous to Health (COSHH)
K9 the accident reporting procedures and who is responsible for making the report
K10 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)
K11 how to comply with environmentally responsible work practices to meet current legislation and official guidance
K12 the organisational procedure when dealing with potential accidents, health hazards and the environmental impact whilst working:
• below ground level
• in confined spaces
• at height
• in proximity to fragile elements
• with tools and equipment
• with materials and substances
• moving and storing materials by manual handling and mechanical lifting
P3 Selection of resources
K13 why the characteristics, quality, uses, sustainability, limitations and defects associated with the resources are important and how defects should be rectified
K14 the organisational procedures to select resources, why they have been developed and how they are used
K15 how to confirm the resources and materials conform with the specification and how any problems associated with the resources are reported
K16 how the following resources should be used and how any problems associated with the resources are reported:
• primers
• preparation coats
• separating/isolating/carrier/cushion layers
• joint tapes
• screed materials
• associated materials
• components
• fixings and fittings
• hand and/or power tools
• ancillary equipment
K17 how to identify the hazards associated with the resources and methods of work and how they are overcome
K18 methods of calculating the quantity length and wastage associated with the method and procedure to prepare surfaces for membrane roofing systems
P4 Minimise the risk of damage
K19 how to protect work and its surrounding area from damage and the purpose of protection from general workplace activities, other occupations and adverse weather conditions
K20 how to minimise the damage to existing building fabric
K21 why and how the disposal of waste must be carried out safely in accordance with the following:
• environmental responsibilities
• organisational procedures
• manufacturers’ information
• statutory regulations
• official guidance
K22 why it is important to maintain a safe, clear and tidy work area
P5 Meet the contract specification
K23 how to meet the contract specification in relation to the following:
• carry out remedial work to roofing backgrounds
• clean and dry surfaces and method
• prepare surfaces (as appropriate to the substrate) for reinforced bitumen, single ply and liquid applied membrane systems
• hot work permits
• apply primers/preparation coats
• install separating/isolating/cushion layers
• install joint tapes
• the relevance of an assessment of significance
• how to recognise specific requirements for the building structure
• work with, around and in close proximity to plant and machinery
• safely work at height using access and fall prevention equipment
• use all hand tools, power tools and ancillary equipment including LPG gas torch, hot air gun, electronic torch
• how and why operative care and maintenance of all hand and power tools and ancillary equipment is carried out
K24 the importance of teamwork and communication
K25 the importance of mental health awareness and wellbeing
K26 the importance of applying Fairness, Inclusion and Respect (FIR) when dealing with others
K27 the needs of other occupations associated with prepare surfaces for membrane roofing systems
P6 Allocated time
K28 the programme of work to be carried out including the estimated and allocated time and why deadlines should be kept
K29 the types of progress charts, timetables and estimated times and the organisational procedures for reporting circumstances which will affect the work programme