Retesting of reassembled lifting accessories if original manufacturing controls are ensured; retesting requirement if repair/replacement of parts due to breakage, damage, or evidence of diminished capacity.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

February 25, 2003

Mr. Dan Wagester
Siemens Westinghouse Power Corp.
4400 Alafaya Trail
Orlando, Florida 32826-5032

Re: Whether 29 CFR 1926.251(a)(4) requires re-testing after disassembly/reassembly of special custom design lifting device

Dear Mr. Wagester:

Marking and proof-testing requirements for special custom-designed lifting accessories.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 7, 2003

Barry A. Cole
Executive Vice President
Miller Safety Consulting, Inc.
5750 Pecos Street, Suite #6
Denver, CO 80221

Re: §1926.251(a)(4) requirement for marking and proof-testing special custom-design or other lifting accessories

Dear Mr. Cole:

Wire rope clips on suspension scaffolds; safety latches on large crane hooks; order of assembly for hanging scaffolds; and horizontal lifeline design.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 4, 2004

Martin D. Spencer Jr.
Northeast Area Rigging Coordinator
International Brotherhood of Boilermakers
5745 Big Tree Road
Orchard Park, NY 14127

Re: Wire rope clips on suspension scaffolds; safety latches on large crane hooks; hanging scaffolds - order of assembly; jobsite fabricated lifting accessories - criteria; and horizontal lifelines: use of wire rope clips, anchorages, number of persons allowed to be connected, requirements relating to sag, and use of synthetic rope.

Dear Mr. Spencer:

Requirements for load-testing and marking of special custom-design rigging accessories; applicability of ASME standards.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

February 9, 2004

Jeff Moser
Director of Corporate Safety, Training & Education
PFK-MARK III, Inc.
170 Pheasant Run
Newtown, PA 18940

Re: §1926.251 - whether special test weights must be used for load tests; applicability of ASME inspection standards; whether manufactured (i.e., non-custom) lifting devices must be marked.

Dear Mr. Moser:

Rigging equipment for material handling; custom-designed accessories.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

 

Custom-designed lifting accessories must be proof-tested and marked before being deployed for use and after repair or replacement.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

June14, 2002

Mr. Ron Pancari
Project Manager
Vogt-NEM, Inc.
4000 Dupont Circle, Suite 400
Louisville, KY 40207

Dear Mr. Pancari:

Testing requirements for "lifting blinds" or "lifting covers" on pressure vessels.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 1, 2010

Letter # 20071113-8104

Re: Testing requirements for "lifting blinds" or "lifting covers" on pressure vessels

Question (1): Our company manufactures pressure vessels. We typically use custom-engineered "lifting blinds" or "lifting covers" (referred to collectively as lifting covers) on the top flange of the pressure vessels to enable the lifting contractor in the field to hoist the vessel onto the foundation and anchor bolts.

Proof testing of lifting beams used to lift wind turbine components.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

June 8, 2012

Mr. Trent Schon, CSP
Director of Safety/Renewable Energy Groups
Mortenson Construction
M.A, Mortenson Company
700 Meadow Lane North
Minneapolis, MN 55422

Dear Mr. Schon:

We are writing in response to your letter of August 11, 2011 concerning proof testing of lifting beams used to lift wind turbine components.