Match rated load, speed, suspension ratio, sheave diameter, rope specification, motor power, brake voltage, encoder and machine-room arrangement. Shaft and structural limits must also be checked.
Keep records for the period required by local law and throughout the equipment lifecycle where practical, including inspections, faults, repairs, replacements and software changes.
The contract should assign civil works, openings, embedded items, waterproofing, power, scaffolding, lifting and corrections between the builder and elevator contractor.
The terms usually describe the number of communication points, but suppliers may count those points differently. Specify the required locations, such as the cabin, car top, pit, machine room and monitoring room. Confirm which stations can call and speak to each other in the proposed system.
Typical exclusions include unsafe work, unauthorized modification, incorrect installation, external power problems, water damage, misuse and normal wear unless contract terms state otherwise.
Compensating Chain is grouped for the elevator or escalator function represented by the listed product options. Confirm the exact model and application before selection.
An MRL elevator places the traction machine and control equipment within or near the shaft, reducing building space while retaining required access and clearances.