Cranes & Derricks Forms

Please Note: With the launch of DOB NOW: Build for Cranes on April 27, 2020, the following forms are now obsolete:

  • Form CD1 (Crane/Derrick / Mobile Work Platform Prototype Application)
  • Form CD1-OA (Crane/Derrick/Pile Driver Owner’s Prototype Amendment Application)
  • Form CD2 (Crane/Derrick/Mobile Work Platform Approval & Operation Application/Certificate)
  • Form CD3 (Crane Approval & Operation Application/Certificate)
  • Form CD11 (Equipment Owner Identification)
  • Form MC1 (Mast Climber Prototype Application)

As of April 27, 2020, all Crane Prototypes (CPs) and Crane Device (CDs) filings (new, amendments, and renewals) must be submitted in DOB NOW.

CD4 Crane or Derrick Notice Application – Required to submit a Crane Notice (CN) application. Changes include: 1) Form title 2) Data field boxes 1, 6, 7, and 8.

CD4-A Crane or Derrick Notice Application Amendment – Replaces CD10 form for CN applications only. However CD10 form still applies for amending CD2 and CD3 forms. To be used to submit any change made after the original application has been approved.

CD4-EQ Designation of Multiple Equipment Users – To be used to designate multiple equipment users. If filed without a CD4, this is considered an amendment and amendment fees apply.

CD5 Suspended Scaffold Application (Formerly known as the Notification of Staging and Outrigger Beam Use By Special Riggers form)
This form is to be used for the installation of a 2-point suspension scaffold on outrigger beams. It must be submitted by a NYC Licensed Master Rigger or a Licensed Special Rigger.

CD6 Crane/Derrick & Work Platform Plumbness & Torque Notification/Anchor Bolt Pull Out Test – To be used to notify the Cranes and Derricks division of the results of the mandatory work platform plumbness and torque test and anchor bolt pull test by a qualified professional.
After March 1, 2019, this form will no longer be used for new crane notifications. It will continue to be used on CNs filed prior to March 1, 2019.

CD7 Notification of Erecting, Climbing, or Dismantling of a Climber, Tower Crane, or Derrick – To be used to notify the Department’s Cranes & Derricks Unit before raising or lowering a climber, tower crane, or derrick Changes include: Derricks have been added as an additional equipment type requiring the submission of a CD7 form when applicable. The CD7 form and current notification procedures will remain in use regardless of whether the job is filed before or after March 1, 2019.

OLD CD8 Technical Report: Statement of Responsibility – To be submitted with a Crane Notice (CN) application subject to an inspection by a NYS PE or RA under the provisions of Directive 14 of 1975 as applied to cranes and derricks. After March 1, 2019, this form will no longer be used for new crane notifications. It will continue to be used on CNs filed prior to March 1, 2019.

NEW CD8 Technical Report: On-site Crane Inspections – File this form after any Crane Notice (CN) inspection is completed. It is filed for every new phase or assembly, including tower crane jumps or climbs (up/down). It is also filed when one year has passed since the last CN inspection. Only the updated CD8 with the specified revision date of March 2019 in the bottom right corner will be accepted. View the CD8 form instructions.

CD8-TR: Identification of Special Inspections – This form is filed in addition to a CD8 form when special inspections are required to be performed on structural elements that support the crane or derrick. It replaces the use of a TR1 form, which will no longer be accepted by Cranes and Derricks for new applications filed after March 1, 2019. The crane design applicant who filed the crane or derrick notice application for the job determines when and which special inspections are required in accordance with 1 RCNY 3319-01, NYC BC Chapter 17 and 1 RCNY 101-06. Special inspections shall only be performed by registered special inspection agencies, approved for the project by the crane design applicant. The crane design applicant may perform these special inspections only if the crane design applicant is a registered special inspection agency. View the CD8-TR instructions.

CD8-AD: On-site Crane Pre-Operation Inspections – File this form for any assembly, phase or jump in which a crane or derrick requires an assembly/disassembly director. It documents unassembled and assembled inspection components such as serial numbers, material testing reports, tower crane mast section plumbness and bolt torque. The pre-operational load test is reported on the CD8-AD form, as well as specific inspections to be performed by the assembly/disassembly director. CD8-AD forms are not required for the setup or breakdown of a self-erecting tower crane, provided the setup does not require a boom, mast or other attachment to be installed at the site. View the CD8-AD form instructions.

CD10 Tower & Mobile Crane / Derrick / Mast Climber / Pile Driver Amendment – To be used to submit any change made after the original application has been entered.

CD12 Designation of Primary Lift Director – This form was formerly used to add additional Crane Safety Coordinator to job. Now it will be used to designate the primary lift director. If filed without a CD4, this is considered an amendment and amendment fees apply.

CD13 Class "C" Hoisting Machine Operator License Examination – To be used by any person applying to take the test for the Hoist Machine Operator class C license. Call the Licensing Division for the additional forms to be completed.

CD16 Cranes and Derricks Division Applicants Statement of Notification to Community Boards – To be completed as indicated and submitted to the respective Community Board for the job location.

CD21 Request for Inspections (After Hours) – To be completed to request after hour Inspections.

CD22 Annual, Assembled and Unassembled Cranes & Derricks Inspection Request – To request inspection for Assembled/Unassembled Cranes, Derricks, and Mobile Work Platforms.

CD24 Contingency DOT Form/Letter – To be used to request authorization to proceed with Department of Transportation permitting process.

CD25 On-Site Waiver – To be used to request an exemption from a Certificate of On-Site Inspection for equipment that satisfies the conditions listed in Exception #3 to 1 RCNY 3319-01(c)(1), such as a service crane, clamshell rig, pile driver or a crane meeting the requirements of a 48 hour exemption.

Crane HMO B Rating Registration - To be used to credit experience obtained by operating crane(s) that fall into one of the listed Class B HMO ratings, on or before November 9, 2017. Complete and submit the scanned form to the Department’s Licensing & Exams Unit at

MC2 Mast Climber Device Application – New: Mast climber owners must only submit the MC2 form in conjunction with also submitting the MC-3 form for an approved CN application, or it will not be accepted. All other past uses of this form which were specific only to the device must now be done in DOB NOW: Build. The MC2 should be submitted with supporting documentation, which must include a list of the mast’s critical components, the owner’s certification and a disclosure of the mast climber’s history.

MC3 Installer and Remover Form – The mast climber owner must submit the MC3 form to designate the party responsible for installing or removing a mast climber at a job site.

MC4 Mast Climber Notice Application – The NYS-licensed engineer who prepared the mast-climber plans must submit the MC4 with the plans to notify the Department that a mast climber will be used. Changes include: Section 7 – Additional information.

MC5 Certificate of On-Site Inspection – The NYS-licensed engineer who prepared the mast-climber plans must submit the MC5 to sign off on a mast climber to be used in New York City. This application must be submitted with supporting documents and photos that demonstrate that the mast climber has passed all prior inspections before use.