Manage installation, commissioning and handover of retrofit works

URN: COSVR757
Business Sectors (Suites): Construction Site Management
Developed by: Construction Skills
Approved on: 30 Sept 2020

Overview

This standard is about managing the installation, commissioning and handover of retrofit work 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 management which is defined as the management 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      manage the 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 on 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 six 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      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      check and record that the retrofit works conform to quality,
          standards and compliance with the retrofit design and
          manufacturers’ instructions, throughout the installation
          process, for at least fourteen 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      recommend, record and implement corrective actions when
          required for at least fourteen 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      manage the scheduling and coordination of the inspection,
          testing, and commissioning and record the outcomes for
          retrofit works

P9      recommend, record and implement any required 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    manage 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 assessment
          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
Manage implementation of the retrofit plan

K2      why it is important to manage the implementation of the
          retrofit plan ensuring effective and efficient working practices
          compliant with design and quality standards for a given
          occupational area, and how to do this

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

Performance Criteria 3
Review and record on works progress

K4      why reviewing and recording on works progress against the
          project programme, resources and planned sequencing of
          works is required

K5      how to review, record and report on works progress against
          the project programme, resources and planned sequencing of
          work

K6     when and how to recommend and take corrective action

K7      how to identify potential risks of failure and mitigate through
          planning, accuracy, dimensional control and sequencing of
          work, including but not limited to:

          K7.1      technical and performance risks:

                       a   thermal bridges
                       b   heating
                       c   ventilation
                       d   thermal bypass
                       e   condensation and interstitial condensation
                       f    alterations in structure 
                       g   moisture movement
                       h   fire safety
                       i    acoustic and sound insulation

          K7.2      inefficiencies
          K7.3      additional costs
          K7.4      delays to programme
          K7.5      abortive works
          K7.6      duplication
          K7.7      damage
          K7.8      latent defects

Performance Criteria 4
Recognise defects in installation

K8       how to recognise defects in installation with specific
           reference to:

           K8.1      gaps in installation
           K8.2      missing and inappropriate fixings
           K8.3      detailing at corners, edges, junctions and openings
           K8.4      interaction with building services
           K8.5      combustion appliances, flues and ventilation
           K8.6      fire safety
           K8.7      acoustic and sound insulation
           K8.8      thermal bypass and thermal bridges
           K8.9      loading

K9       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

K10   why it is important to check, record and report that ventilation
         is not compromised and complies with all relevant standards,
         and how to do this, for the following:

         K10.1      gas and other combustion appliances
         K10.2      flues
         K10.3      general ventilation

Performance Criteria 6
Check and record installation of works

K11     why it is required to carry out specified checks of the retrofit
           works during installation and record the works conform to:

           K11.1     quality
           K11.2     standards
           K11.3     manufacturers’ instructions, technical information
                         and product data sheets
           K11.4     retrofit design

K12     how to check and record installation of works for quality,
           standards and compliance with the retrofit design, and
           manufacturers’ instructions for the following:

           K12.1    alterations to the structure
           K12.2    loadings
           K12.3    fixings
           K12.4    corners, junctions and edges of building elements
           K12.5    interfaces between the building fabric, services and
                        the occupants
           K12.6    windows and doors including reveals, sills and soffits
           K12.7    thermal bypass
           K12.8    thermal bridges
           K12.9    air tightness
           K12.10  vapour barriers
           K12.11  moisture movement
           K12.12  moisture ingress
           K12.13  condensation and interstitial condensation risks
           K12.14  rainwater goods
           K12.15  mechanical, electrical and plumbing (MEP) 
           K12.16  fire safety
           K12.17  acoustic and sound insulation

K13      the potential risks and implications of non-compliance and poor
            quality installations over time for active and passive fire
            safety measures

K14      the principles of a building as a system and its component parts
            and the importance of identifying standards and the
            consequences of failure to follow organisational requirements

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     how to recognise ventilation and air movement pathways
           through buildings and ensure that these are maintained,
           whilst balancing the need for airtightness

K18     how to recognise 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
Recommend, record and implement corrective actions

K23     how and when to recommend, record and implement
           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**
Manage the scheduling and coordination of the inspection testing and commissioning

K24      why managing the scheduling and coordination of the
            inspection testing and commissioning for retrofit works is
            required

K25     how to manage the scheduling and coordination of the
           inspection testing and commissioning for 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     the stages of commissioning including but not limited to:
           K28.1    setting-to-work
           K28.2    regulation
           K28.3    performance optimisation
           K28.4    recording
           K28.5    post-commissioning checks
           K28.6    fine tuning during occupancy

K29     why the final commissioning of all building services is done
           together, rather than separately

Performance Criteria 9
Recommend, record and implement corrective actions for  retrofit works following commissioning

K30      why recommending, recording and implementing corrective
            actions is required following commissioning

K31      how to recommend, record and implement corrective
            actions following commissioning

Perf*ormance Criteria 10*
Manage, monitor and evaluate the project handover

K32     why it is important to manage the project handover on
           completion of the installation, and how to do this

K33     why monitoring and evaluation of the project handover is
           required

K34     how to manage the project handover in accordance with the
           handover strategy and requirements of relevant certification
           schemes

K35     how to gather, record, analyse and interpret information

K36     how to convey the following information about the installed
           measures: 
           K36.1    physical inspection and explanation of function and
                        operation
           K36.2    demonstrate the safe operation of any components,
                        devices and controls
           K36.3    visual checks to ensure the recipient is able to
                        operate the components, devices and controls
           K36.4    care needed to avoid detrimental effects
           K36.5    maintenance, including requirements to comply with
                        guarantees and warranties
           K36.6    efficient operation to facilitate the delivery of
                        intended reduction in energy use
           K36.7    importance of ventilation
           K36.8    post completion services
           K36.9    provision of documentation including end-user
                        advice information

K37      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:
            K37.1   clients
            K37.2   designers and contract administrators
            K37.3   installers and contractors
            K37.4   end-users
            K37.5   external enforcement and quality assurance bodies
            K37.6   funding organisations
            K37.7   guarantee or warranty providers

K38      how to ensure operatives undertaking the handover are
            vocationally competent to do so and have access to
            adequate knowledge of the measures and the behaviours
            required for their safe, efficient and effective operation and
            maintenance

K39      when to undertake the handover procedure, including a
            phased handover

K40      when basic, intermediate and advanced levels of monitoring
            and evaluation are required and what information is
            required for each

K41      timescales for completing and reporting different levels of
            monitoring and evaluation

K42      who are the recipients of the handover process

K43      which stakeholders require copies of the following
            documentation:
            K43.1    test certificates and commissioning records
            K43.2    operation and maintenance instructions and
                         manuals
            K43.3    warranty and guarantee certificates
            K43.4    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

VR757

Relevant Occupations

Production Managers and Directors in Construction

SOC Code

1122

Keywords

Retrofit; Retrofit Works; Retrofit Measures; Handover; Commissioning;