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David Nyborg

Retro-Active Elevator Code Changes in NYC

Written By: George Nyborg


The deadline for compliance with NYC Department of Buildings (DOB) requirements to have dual plunger brakes or a single plunger with a rope gripper is fast approaching: January 1, 2027. The reasoning behind this retroactive requirement is simple. If a plunger on a single plunger brake fails to close, there is no brake holding the elevator. In contrast, with a dual plunger brake, the other plunger will hold if one fails. Single plunger brakes are typically found on older elevators. Therefore, if you have an old machine with a single plunger brake, you should consider upgrading the machine.

Key Topics Covered

  • Deadline: January 1, 2027.

  • Requirements: Dual plunger brakes or single plunger with rope gripper.

  • Safety: Dual plunger provides backup.

  • Upgrade Options: Add rope gripper and renew controller, replace with dual, plunger brake, and modernize old machines.

  • Planning: Contact Tri-State Elevator for guidance

Elevator Plunger Breaks; added safety

Compliance Deadline

and Requirements

The deadline for compliance with NYC Department of Buildings (DOB) requirements to have dual plunger brakes or a single plunger with a rope gripper is January 1, 2027. This retroactive requirement ensures safety; if a single plunger brake fails, there is no brake holding the elevator, whereas a dual plunger brake will have a backup. Single plunger brakes are typically found on older elevators, and upgrading to meet these requirements is crucial.




Upgrade Options and Considerations

Elevator Rope Gripper

If your old machine runs smoothly and you want to avoid the expense of installing a new machine, you need to add a rope gripper and the necessary circuitry, which may also require a new controller. Alternatively, a new dual plunger brake can be added to replace the single plunger brake, possibly needing controller adjustments. For elevators with single-speed AC operation or old drum machines (near 100 years old), a complete modernization with a new gearless high-efficiency machine is recommended.


Planning and Assistance

Tri-State Elevator can assist in determining the best method for code compliance based on the elevator's type, age, and operation. Lead times for materials are currently 14 weeks, and delays and costs will likely increase as the deadline approaches. Contact Chip at Tri-State Elevator for further guidance and to plan your upgrade in advance.



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