Safety Order: ThyssenKrupp northern elevator traction sheave brake (sheave jammer) maintenance



Reference number
SO-ED 2012-01
Revision Number
Rev 1

This safety order is issued pursuant to section 31 of the Safety Standards Act. A person affected by this safety order may appeal this order in writing to the Safety Standards Appeal Board within 30 days. The appeal process is set out on the Safety Standards Appeal Board's website at

Failure to comply with a safety order is an offence under section 72 of the Safety Standards Act.

Part 1: Details of Regulated Work or Regulated Product

This safety order is issued to all licensed elevating devices contractors that maintain the ThyssenKrupp Northern Elevator Traction Sheave Brake (“Sheave Jammer”) and applies to all makes and models of the Sheave Jammer maintained in conformance with section 8.6 of the A17.1/B44-2016 code.

Note: For elevating devices for which an installation permit is issued after April 30, 2020, this safety order supersedes Safety Order No. SO-ED 2012-01. For other elevating devices, Safety Order No. SO-ED 2012-01 continues to apply until the device has transitioned to the B44-2016 code, as per s.12.1 of the Elevating Devices Safety Regulation.

Part 2: Requirement(s) of This Safety Order

  1. Maintenance Requirements
    All licensed elevating device contractors that maintain the Sheave Jammer must comply with the “ThyssenKrupp Northern Elevator Recommended Maintenance and Testing Frequency” laid out in the attached document. In particular, this includes the requirement in Part 4 of the document which specifies that the Sheave Jammer must be dismantled annually for inspection and cleaning then tested after reassembly.

    In addition to the Sheave Jammer maintenance requirements prescribed by the manufacturer, all elevating devices equipped with a ThyssenKrupp Northern traction sheave emergency brake shall comply with the requirements of 8.6, including the following;

    The device shall comply with section of the A17.1/ B44-2016 code if any part of the driving machine brake is changed or adjusted, with the potential to affect the holding capacity or decelerating capacity of the emergency brake.
  2. Declarations
    The completed tests shall be documented using the required form (FRM-1221) and shall be reported annually using the spreadsheet included as part of the requirements of the Annual Contractor Reporting Directive D-ED 2020-01. The brake inspection information and test results as required by the Elevating Devices Safety Regulation shall be retained by the maintaining contractor on file in hard copy and electronic format for a minimum of five years and shall be provided to Technical Safety BC immediately upon request.
  3. Maintenance records
    Maintenance records shall be updated accordingly and shall comply with the requirements of A17.1/B44-2016 section, except as modified in the Elevating Devices Safety Regulation and shall be viewable on site at all times as required by A17.1/B44-2016 section

Part 3: Details of ordering Safety Manager or Safety Officer

I certify that I am authorized to issue this safety order in accordance with section 15 (d) of the Safety Standards Act or that I have been delegated this power under section 15 (g) of the Safety Standards Act.

Nav Chahal,
Provincial Safety Manager, Transportation

Attachment: ThyssenKrupp_Northern_Elevator_Traction_Sheave_Jammer_Maintenance.pdf

Safety Standards Act:
Safety Orders


  1. To prevent, avoid or reduce risk of personal injury or damage to property, a provincial safety manager may, in writing, issue a safety order.
  2. A safety order may be issued to any person in relation to any of the following:
    1. regulated work or regulated products generally;
    2. a specific class of regulated product or regulated work;
    3. a specific regulated product or regulated work.
  3. For certainty, a safety order issued under this section may apply to
    1. regulated work that meets the requirements under this Act,
    2. regulated work that previously met the requirements under this Act or a former Act but does not meet the current requirements under this Act,
    3. regulated products that meet the requirements under this Act, or
    4. regulated products that previously met the requirements under this Act or a former Act but do not meet the current requirements under this Act, including a regulated product that bears a certification mark.
  4. A safety order may specify any requirement that is intended to prevent, avoid or reduce the risk of personal injury or damage to property and may include any of the following orders:
    1. that an existing regulated work or regulated product must be made safe in compliance with the safety order;
    2. that a regulated product must be
      1. disconnected from a power source,
      2. uninstalled, or
      3. modified before continued use;
    3. that a regulated product must be operated, installed, manufactured or disposed of only as specified or that a regulated product must not be moved;
    4. that current or future regulated work or a regulated product must conform to the terms or conditions of the order;
    5. that a person take or refrain from taking any action that a safety manager considers necessary to prevent, avoid or reduce a risk of personal injury to persons or damage to property;
    6. that the manufacturer make reasonable efforts to recall the regulated product.
  5. The provincial safety manager must give written notice of the safety order to the following persons:
    1. the manufacturer of the regulated product;
    2. an owner of the regulated product if the identity of the owner is known to the provincial safety manager;
    3. the person in charge of the regulated work.
  6. The notice must state the reasons for the decision and that the person has the right to appeal the decision to the appeal board.
  7. Despite section 54, a safety order may not be stayed during an appeal.
Attachment Size
ThyssenKrupp_ SHeave Jammer.pdf 630.93 KB