Supervise the installation, comissioning and handover of retrofit works

URN: COSVR699
Business Sectors (Suites): Construction Site Supervision
Developed by: Construction Skills
Approved on: 30 Sept 2020

Overview

This standard is about supervising the installation, commissioning and handover of retrofit works 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 construction site supervision which is defined as the supervision of multiple construction trades and disciplines and can be used by operatives, supervisors and managers


Performance criteria

You must be able to:

P1      observe and apply organisational requirements appropriate for
          the protection of the workforce, sub-contractors, suppliers,
          consultants, occupants, visitors, the general public, and the
          environment by the application of information relating to:
          1.1      methods of work
          1.2      risk assessments
          1.3      safe use and storage of tools
          1.4      safe use and storage of materials and components
          1.5      traffic management
          1.6      emergency plans
          1.7      fire safety
          1.8      acoustic and sound insulation
          1.9      thermal insulation
          1.10    workforce competency
          1.11    site constraints

P2      supervise implementation of the retrofit plan ensuring effective
          and efficient working practices compliant with design and
          quality standards, for a given occupational area

P3      review and record works progress against the project
          programme, resources and planned sequencing of works, and
          recommend and take corrective action when required

P4      recognise and report defects in installation with specific reference
          to five of the following:
          4.1      gaps in installation
          4.2      missing and inappropriate fixings
          4.3      detailing at corners, edges, junctions and openings
          4.4      interaction with building services
          4.5      combustion appliances, flues and ventilation
          4.6      fire safety
          4.7      acoustic and sound insulation
          4.8      thermal bypass and thermal bridges
          4.9      loading

P5      check, record and report that ventilation is not compromised and
          complies with all relevant standards for the following:
          5.1      gas and other combustion appliances
          5.2      flues
          5.3      general ventilation

P6      Carry out specified checks of the retrofit works and record that
          the works conform to quality, standards and compliance with the
          retrofit design, and manufacturers' instructions, throughout the
          installation process, for at least eight of the following:
          6.1      alterations to the structure
          6.2      loadings
          6.3      fixings
          6.4      corners, junctions and edges of building elements
          6.5      interfaces between the building fabric, services and the
                     occupants
          6.6      windows and doors including reveals, sills and soffits
          6.7      thermal bypass
          6.8      thermal bridges
          6.9      air tightness
          6.10    vapour barriers
          6.11    moisture movement
          6.12    moisture ingress
          6.13    condensation risks
          6.14    rainwater goods
          6.15    mechanical, electrical and plumbing (MEP)
          6.16    fire safety
          6.17    acoustic and sound insulation

P7      identify, record and implement agreed corrective actions when
          required for at least nine of the following: 
          7.1      alterations to the structure
          7.2      loadings
          7.3      fixings
          7.4      corners, junctions and edges of building elements
          7.5      interfaces between the building fabric, services and the
                     occupants
          7.6      windows and doors including reveals, sills and soffits
          7.7      thermal bypass
          7.8      thermal bridges 
          7.9      air tightness
          7.10    vapour barriers
          7.11    moisture movement
          7.12    moisture ingress
          7.13    condensation risks
          7.14    rainwater goods
          7.15    mechanical, electrical and plumbing (MEP)
          7.16    combustion appliances, flues and ventilation
          7.17    fire safety
          7.18    acoustic and sound insulation

P8      schedule and coordinate the inspection testing and
          commissioning, and communicate the outcomes for retrofit
          works

P9      identify, implement and record agreed corrective actions for
          retrofit works following commissioning including but not limited
          to two of the following:
          9.1      ventilation
          9.2      combustion appliances
          9.3      heat recovery devices
          9.4      heating systems
          9.5      hot water systems
          9.6      lighting fittings
          9.7      systems and controls
          9.8      insulation
          9.9      draught proofing
          9.10    windows and doors
          9.11    solar blinds, shutter and shading devices
          9.12    renewable energy installations
          9.13    fire safety
          9.14    acoustic and sound insulation

P10    contribute to the project handover on completion of the
          installation of retrofit works


Knowledge and Understanding

You need to know and understand:

Performance Criteria 1
Observe and apply organisational requirements
K1      what organisational requirements apply to the protection of the
          workforce, sub-contractors, suppliers, consultants, occupants,
          visitors, the general public, and the environment in relation to the
          following:
          K1.1      methods of work
          K1.2      risk assessments
          K1.3      safe use and storage of tools
          K1.4      safe use and storage of materials and components
          K1.5      traffic management
          K1.6      emergency plans
          K1.7      fire safety
          K1.8      acoustic and sound insulation
          K1.9      thermal insulation
          K1.10    workforce competency
          K1.11    site constraints

Performance Criteria 2
Supervise implementation of the retrofit plan
K2      why it is required, and how to supervise the implementation of
          the retrofit plan ensuring effective and efficient working
          practices compliant with design and quality standards for a given
          occupational area

K3      why it is required, and how to ensure operatives undertaking the
          installation, commissioning and handover are qualified to do so
          for a given occupational area

K4      why it is required, and how to ensure operatives have access to
          adequate knowledge of the retrofit works and the behaviours
          required for their safe, efficient and effective operation and
          maintenance

Performance Criteria 3
Review and record on works progress
K5      why reviewing and recording works progress against the project
          programme, resources and planned sequencing of works is
          required

K6      how to review, record and report works progress against the
          project programme, resources and planned sequencing of
          work

K7      when and how to recommend and take corrective action

K8      how the following increase the risk of failure of the installation
          works:
          K8.1       technical and performance issues:
                        •    thermal bridges
                        •    heating
                        •    ventilation
                        •    thermal bypass
                        •    condensation and interstitial condensation
                        •    alterations in structure
                        •    moisture movement
                        •    fire safety
                        •    acoustic and sound insulation
          K8.2      inefficiencies
          K8.3      additional costs
          K8.4      delays to programme
          K8.5      abortive works
          K8.6      duplication
          K8.7      damage
          K8.8      latent defects

Performance Criteria 4
Recognise and report defects in installation
K9      how to recognise and report defects in installation with specific
          reference to:
          K9.1      gaps in installation
          K9.2      missing and inappropriate fixings
          K9.3      detailing at corners, edges, junctions and openings
          K9.4      interaction with building services
          K9.5      combustion appliances, flues and ventilation
          K9.6      fire safety
          K9.7      acoustic and sound insulation
          K9.8      thermal bypass and thermal bridges
          K9.9      loading

K10    how and when to propose suitable corrective action for any
          defects in installation

Performance Criteria 5
Check, record and report that ventilation is not compromised
K11    why it is required, and how to check, record and report that
          ventilation is not compromised and complies with all relevant
          standards for the following:
          K11.1    gas and other combustion appliances
          K11.2    flues
          K11.3    general ventilation

Performance Criteria 6
Carry out checks and record installation of works
K12    why it is important to carry out specified checks of the retrofit
          works during installation and record the works conform to:
          K12.1    quality
          K12.2    standards
          K12.3    manufacturers' instructions, technical information and
                       product data sheets
          K12.4    retrofit desigmn

K13    how to carry out checks and record installation of works for
          quality, standards and compliance with the retrofit design, and
          manufacturers' instructions, for the following:
          K13.1    alterations to the structure
          K13.2    loadings
          K13.3    fixings
          K13.4    corners, junctions and edges of building elements
          K13.5    interfaces between the building fabric, services and
                       the occupants
          K13.6    windows and doors including reveals, sills and soffits
          K13.7    thermal bypass
          K13.8    thermal bridges
          K13.9    air tightness
          K13.10  vapour barriers
          K13.11  moisture movement
          K13.12  moisture ingress
          K13.13  condensation and interstitial condensation risks
          K13.14  rainwater goods
          K13.15  mechanical, electrical and plumbing (MEP)
          K13.16  fire safety
          K13.17  acoustic and sound insulation

K14    the potential risks and implications of non-compliance and poor
          quality installations over time, for active and passive fire safety
          measures

K15    the potential risks and implications of non-compliance and poor
          quality installations over time, including but not limited to:
          K15.1    occupant health and safety
          K15.2    indoor air quality
          K15.3    mould
          K15.4    performance gaps
          K15.5    rot
          K15.6    building fabric decay
          K15.7    overheating

K16    the importance of maintaining ventilation

K17    why it is important to recognise ventilation and air movement
          pathways through buildings and ensure that these are
          maintained, whilst balancing the need for airtightness

K18    the different properties of insulation materials and how these
          relate to thermal, moisture, condensation, acoustic and sound,
          and fire safety

K19    the different types of air and vapour control layers and breather
          membranes, where and how they should be used, and why it is
          important to install them correctly

K20    the importance of ensuring the integrity of air and vapour control
          layers and breather membranes following installation and the
          need to ensure continuity

K21    how condensation forms in buildings, how this relates to moisture
          and moisture movement and what steps can be taken to mitigate
          potential risks

K22    why a Whole Building approach is taken to retrofit works and how
          this relates to building performance and building use

Performance Criteria 7
Identify, implement and record agreed corrective actions
K23    how and when to identify, implement and record agreed
          corrective actions for the following:
          K23.1    alterations to the structure
          K23.2    loadings
          K23.3    fixings
          K23.4    corners, junctions and edges of building elements
          K23.5    interfaces between the building fabric, services and the
                       occupants
          K23.6    windows and doors including reveals, sills and soffits
          K23.7    thermal bypass
          K23.8    thermal bridges
          K23.9    air tightness
          K23.10  vapour barriers
          K23.11  moisture movement
          K23.12  moisture ingress
          K23.13  condensation and interstitial condensation risks
          K23.14  rainwater goods
          K23.15  mechanical, electrical and plumbing (MEP)
          K23.16  combustion appliances, flues and ventilation
          K23.17  fire safety
          K23.18  acoustic and sound insulation

Performance Criteria 8
Schedule and coordinate, and communicate the outcomes
K24     why the scheduling and coordination of the inspection testing
           and commissioning for retrofit works is required

K25     how to schedule and coordinate the inspection testing and
           commissioning of retrofit works

K26    why it is required, and how to record outcomes for retrofit works,
          services and fabric

K27    the range of non-destructive testing and investigation methods
          including but not limited to:
          K27.1     thermal imaging
          K27.2     moisture content of building fabric
          K27.3     air tightness for building envelope and identifying air
                        filtration and air leakage points
          K27.4     energy use of buildings from meters and sub-meters for
                        individual systems
          K27.5     sound insulation testing
          K27.6     borescope testing

K28     why the final commissioning of all building services is done
           together, rather than separately

K29    the stages of commissioning including but not limited to:
          K29.1    setting-to-work
          K29.2    regulation
          K29.3    performance optimisation
          K29.4    recording
          K29.5    post-commissioning checks
          K29.6    fine tuning during occupancy

Performance Criteria 9
Identify, record and implement agreed corrective actions following commissioning
K30    why identifying, recording and implementing agreed corrective
          actions is required following commissioning

K31    how to identify, record and implement agreed corrective actions
          following commissioning

Performance Criteria 10
Contribute to the project handover
K32    why it is required, and how to contribute to the project handover
          on completion of the installation of retrofit works

K33    how to supply the relevant information in relation to the project
          handover in accordance with the 'handover strategy' and
          requirements of relevant certification schemes

K34    how to gather and record information

K35    how to convey the following information about the installed
          measures:
          K35.1    physical inspection and explanation of function and
                       operation
          K35.2    demonstrate the safe operation of any components,
                       devices and controls
          K35.3    visual checks to ensure the recipient is able to operate
                       the components, devices and controls
          K35.4    care needed to avoid detrimental effects
          K35.5    maintenance, including requirements to comply with
                       guarantees and warranties
          K35.6    efficient operation to facilitate the delivery of intended
                       reduction in energy use
          K35.7    importance of ventilation
          K35.8    post completion services
          K35.9    provision of documentation including end-user advice
                       information

K36    how to present information and recommendations for any
          remedial actions or changes to the retrofit process required, to
          relevant stakeholders including, but not limited to:
          K36.1    clients
          K36.2    designers and contract administrators
          K36.3    installers and contractors
          K36.4    end-users
          K36.5    external enforcement and quality assurance bodies
          K36.6    funding organisations
          K36.7    guarantee or warranty providers

K37    who the recipients of the handover process are

K38    why is it important to supply copies of the following
          documentation:
          K38.1    test certificates and commissioning records
          K38.2    operation and maintenance instructions and manuals
          K38.3    warranty and guarantee certificates
          K38.4    As Constructed plans


Scope/range


Scope Performance


Scope Knowledge


Values


Behaviours


Skills


Glossary


Links To Other NOS


External Links


Version Number

1

Indicative Review Date

30 Sept 2025

Validity

Current

Status

Original

Originating Organisation

CITB

Original URN

VR699

Relevant Occupations

Building Trades, Construction Supervisor

SOC Code

5330

Keywords

Retrofit; Retrofit Works; Retrofit Measures; Handover; Commissioning; installation; Schedule; Whole Building; As Constructed; Project;