Car and counterweight

Pages:32-40
 
FREE EXCERPT
A4. Car and counterweight
A4.1. Car height
A4.1.l. The internal height of the car should not be less
than 6ft 7in. (2m).
A4.l.2. The height of the entrance (or entrances) for the
normal access of users should be at least equal to the height of the
lowest door at any landing.
A4.2. Car floor area
A4.2.1. In order to prevent the number of persons in the car
from exceeding the contract load, the net car floor area * of a
lift other than those covered by A4.2.2 and A4.2.3 should be
limited. For that purpose the relationship between the contract
load and the maximum net floor area of the car may be determined
in accordance with the following table.
32
1 In practice these loads are used only in exceptional cases.
Contract load Maximum
number
of persons
Maximum net car floor area
lb kg sq. ft m
22O 1001 14.3 0.40
3951 180' 25.4 0.50
495 225 37.5 0.70
660 300 49.7 0.90
825 375 511.8 1.10
990 450 614.0 1.30
1155 525 715.6 1.45
1 320 600 817.2 1.60
1485 675 918.8 1.75
1 650 750 10 20.5 1.90

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