6.7 Commissioning building services
Commissioning in terms of this section means, raising the building services systems covered by this guidance from a level of static completion to full working order and achieving the levels of energy efficiency that the component manufacturers expect from their product(s). Commissioning however should also be carried out with a view to enabling the safe operation of the installation.
Although there is no requirement within Section 6 for minimum efficiency levels of either, building-integrated or localised energy supply systems (e.g. diesel generators, micro wind turbines or photovoltaic arrays), there is a need for commissioning to be carried out to enable efficient use, unless they are exempt under schedule 1, regulation 3. Power plants which serve a number of buildings (e.g. an industrial estate) and only export surplus electricity to the National Grid will also need to be commissioned, unless exempt in terms of schedule 1, regulation 3. Automatic monitoring and targeting systems, when present, should also be commissioned to deliver the required outputs.
Conversions - in the case of conversions, as specified in regulation 4, the building as converted shall meet the requirement of this standard (regulation 12, schedule 6).
A building services installation in a building should be inspected and commissioned in accordance with manufacturers’ instructions to enable optimum energy efficiency. The building and services should have facilities such as test points, inspection hatches and measuring devices to enable inspection, testing and commissioning to be carried out. The commissioning report should include meters and the metering system as a separate item.
One way that can be considered as following the guidance would be to use the CIBSE Commissioning Codes (http://www.cibse.org/) and BSRIA Commissioning Guides (http://www.bsria.co.uk/).
One way that can be considered as following the guidance would be by confirming that the leakage testing has achieved the equivalent leakage performance standards specified in BES DW/143 – ‘Guide to good practice ductwork air leakage testing' .