Where
lifts, escalators or moving walks (transport types) are specified:
1.a
An analysis of the transport demand and usage patterns for the building has been carried out to determine the optimum number and size of lifts, escalators or moving walks
1.b
The energy consumption has been estimated in accordance with ISO/DIS 25745 Energy performance of lifts, escalators and moving walks, Part 2: Energy calculation and classification for lifts (elevators) or Part 3: Energy calculation and classification for escalators and moving walks, for one of the following:
1.b.i
At least two types of system (for each transport type required); OR
1.b.ii
An arrangement of systems (e.g. for lifts, hydraulic, traction, machine room-less lift (MRL)); OR
1.b.iii
A system strategy which is 'fit for purpose'.
1.c
The use of regenerative drives should be considered, subject to the requirements in
CN6
1.d
The transport system with the lowest energy consumption is specified.