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Mike Parnell Feb 7, 2011 9:54:00 AM 1 min read

Custom Lifting Devices Can Help Solve Rigging Challenges

Often we discover that standard rigging will not provide sufficient load control and a custom system or device is required. Sometimes the designated lifting points on a load have been placed more for the convenience of the manufacturer rather than the field installation crew. Another challenge can arise due to the shape and center-of-gravity of the load, which results in a rigger trying to get too creative.

ITI strongly endorses the use of β€œqualified” below-the-hook lifting devices. You can find terrific guidance in developing a custom device from the ASME BTH-1 Design of Below-the-Hook Lifting Devices document. Also in ASME B30.20 Below-the-Hook Lifting Devices, we have access to informative care, use and inspection criteria for lifting devices. (Both documents are available at www.asme.org or the ITI Bookstore).

The following are just a small offering of ideas that can solve some load handling problems. The items pictured do not imply an endorsement of a given manufacturer, however, the name has been provided as a help to the reader. Numerous lifting device manufacturers exist in the U.S. and around the world. You may find that a custom device already exists though not shown on the manufacturer’s website or in their catalog. Contact a number of lifting device manufacturers to see if they have already designed a special lifter for your type application. You may be surprised at what is available. An excellent resource is the Member Directory at www.awrf.org.

 


Clamps for Beams

 

clamps for beams

clamps 4 beams 2

 


Adjustable Lifting Frame

 

caldwell lifting frame

Product Features:

  • New knock-down design is easily transported
  • 6 or 9 ton capacity
  • Spreads up to 12' x 12'
  • Four point spreader beam provides added stability
  • Chain top rigging and hoist rings
  • Lower lifting shackles standard
  • Complies with ASME standards

 

 


Rig Release

 

rig release caldwell

  • Lift Arm only moves when the load line is slack
  • Manual pull rope or radio remote
  • Design factor is five
  • Even works for Christmas treeing

rig release

 


Pallet Fork for Crane Loads

pallet fork

  • Adjustable bail and forks
  • 1-20 ton capacity

 

 


Adjustable Spreader Bar

spreader bar caldwell

 

  • Spread 4-20 feet
  • 2-15 Ton capacity

 

 


Spreader

 

spreaderkits

  • Tandemlock ends, your pipe
  • 14 Tons and above

 


Counter Balance Spreader Bar

 

bushman avontec

 


Tilt-Up Rigging

 

tilt up rigging

tilt-up rigging

 

 


Happy trails to my crane and rigging friends.

Mike Parnell
ITI – Field Services

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