ENE 06 - Energy Efficient Transportation Systems

Counterbalancing ratio fixed - KBCN0327

The requirement to analyse the counterbalancing ratio can be omitted if the project team can provide a statement confirming that it has been set by the manufacturer due to existing standards and to maximise efficiency. The remaining criteria must be met.

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Escalators or moving walks – variable speed drive - KBCN1621

The requirements refer to 'a load sensing device that synchronises motor output to passenger demand through a variable speed drive'. The intent is that the inverter must operate full-time to moderate output based on passenger demand.

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Evacuation lifts - KBCN0437

Evacuation lifts, which will be used during an emergency only, can be excluded from the relevant BREEAM criteria. However, if these lifts are used during the normal operation of the building, then they still need to be assessed.

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Existing lift shaft retained - KBCN0971

Where existing lift shafts are being retained, with a new lift system installed, all criteria for this Issue can still be assessed and credits awarded accordingly, despite the limitations of the existing shafts. The transport analysis should still be carried out as this will inform the developer of any shortfall in capacity and may influence the design of the new lift system. Despite the limitations of the existing building, BREEAM seeks to reward the installation of an energy-efficient lift system.

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Existing lifts outside the scope of assessment - KBCN0793

Transportation systems should be considered as within the scope of the assessment where these serve the assessed area. However, in cases where the developer cannot influence their specification or carry out work to these, they should not be assessed. This would, for example, include situations where, in an assessment of a tenancy area, the lifts are under the landlord's control or, in a first fit-out assessment of a shell and core development, which includes newly-specified lifts which will not undergo any further work. Reference in the criteria to compliance for existing lifts is intended to apply where existing lift systems are being refurbished, or where existing lifts are within the control of the developer and are being retained . (Refer also to other relevant compliance notes). In such cases, where these are the only lifts and transportation system present in the building, this Issue should be filtered out of the assessment by responding ‘no’ to the relevant filtering question in the online scoring and reporting tool. This Issue is intended to assess transportation systems, which fall within the scope of the refurbishment and where their specification can be influenced as part of the assessed project.

3.11.20 Amendments made in issue 2.0 of the UK RFO 2014 manual.

30.11.17 Re-worded for clarity.

22.11.17 Wording amended to clarify that such lifts will not be assessed.
16.11.17 Clarification added on how to filter out this Issue.

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Extending a lift shaft - KBCN0802

Where the scope of works regarding a lift only includes extending the lift shaft to other floors, then assessment of this lift is not appropriate.  Where changes are made to the lift system, then assessment is required. Where changes to lift systems are made, these lifts need to be included in the assessment to encourage specification of energy efficient transport systems.

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Lifts with speeds 0.15m/s or less - KBCN1146

Lifts with speeds 0.15m/s or less fall outside the scope of ISO 25745 and can, therefore, be excluded from the assessment of this Issue. This applies, for example, to lifts in single dwellings or those installed in other low-rise buildings, specifically for the use of persons with impaired mobility.

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Only lifts in building are for persons with impaired mobility - KBCN1330

Where the only lifts, escalators or moving walkways in the assessed development are for persons with imparied mobility with speeds no greater than 0.15m/s, and there are no lifts which fall within the scope of the criteria, the Issue should be filtered out of the assessment. Credits cannot be awarded by default.

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Regenerative drives – requirement for specification - KBCN1253

Requirements for the specification of a regenerative drive for lift installations are subject to an analysis of resultant energy savings. However, where it can be demonstrated that this is not financially viable, accounting for payback over the service life of the installation, this option can be discounted. Please also refer to other scheme-specific guidance relating to this requirement.

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Scope of the criteria for lifts – Small service lifts (dumbwaiters) - KBCN1589

Small service lifts, of the type typically used to transport prepared food and crockery in restaurants (sometimes referred to as 'dumbwaiters'), fall outside the scope of this assessment issue.

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Transportation analysis carried out by the lift manufacturer - KBCN0232

BREEAM recognises that lift manufacturers / suppliers are often engaged to provide such specialist advice. Where the assessor is satisfied that the analysis has been carried out correctly, the analysis can be submitted as compliant evidence.

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