Page 32 - Wire Rope News & Sling Technology - February 2020
P. 32

ple of what Caldwell and Bishop can
                                                                               achieve together; this project involved
                                                                               an extensive design phase, multiple
                                                                               Skype calls, and a collaboration of all
                                                                               relevant parties to arrive at the even-
                                                                               tual rigging solution.”
                                                                                 As an aside, Mongan explained that
                                                                               adjust-a-leg slings can be locked into
                                                                               place  for  constant  lifts  and  are  ideal
                                                                               for use in rigging applications and
                                                                               machinery moving. They are often
                                                                               used, he said, for loads that are bal-
                                                                               anced and symmetrical, but with lift-
                                                                               ing points not located in a position for
                                                                               a level lift. They are also suited for
                                                                               use when lifting loads at any desired
                                                                               angle, simply by lifting the with sling
                                                                               legs at that desired angle.
                                                                                 Over the next decade, British Antarc-
                                                                               tic Survey’s Research Stations will un-
                                                                               dergo a comprehensive  modernization
                                                                               program to ensure that facilities con-
                                                                               tinue to enable world-leading research.
         The beam is being used for wharf modernization at British Antarctic Survey’s Rothera Re-  The new wharf is scheduled to be
         search Station.                                                       built over two Antarctic seasons, start-
         Caldwell Adjustable                  It was 1,372mm (4.5 ft.) wide,   ing in November 2018 and completing
         Spreader Beam Lifts Rothera        1,920mm (6.3 ft.) high and weighed in at   in spring 2020, in order to improve ship
         Wharf Frames in Antarctica         10,100 lbs. (4.58t). It was provided along   and boating operations.  The  rear  sec-
           U.S.-based The Caldwell Group Inc.   with two patented model 52-58 adjust-  tion of the new wharf was constructed
         has customized an adjustable, 101,413-  a-leg  wire  rope  slings  with  6,705mm   in the first season, then the front sec-
         lb.  (46t) capacity lifting  beam for  the   (22 ft.) reach. The rig will eventually be   tion attached during the latest phase.
         latest phase of the wharf moderniza-  used to lift 20 wharf frames, the lightest   Gates added: “This is a very interest-
         tion at British Antarctic Survey’s Ro-  weighing 77,162 lbs. (35t).   ing project. At Bishop Lifting we have
         thera Research Station. Caldwell spe-  Ben Gates, Business Development   been delighted to play a part—albeit a
         cifically  designed  and  manufactured   Director at Bishop Lifting Equipment,   small one.”
         the  lifting  system to suit  the  harsh,   said:  “The  challenge  was,  in  simple   For  more information  about The
         cold environment.                  terms,  to lift  heavy loads, each  with   Caldwell Group, visit their website at
           The  model  24S-46t-315  adjustable   different centers of gravity. The adjust-
         bail  lifting  beam  was  delivered  by   able bail solved the problem in that it
                                            can be adjusted in one direction and  Crosby Acquires Feubo
         Caldwell’s UK-based partner, Bishop
         Lifting, to BAM, who is working in   the adjust-a-leg slings in the other.”  The Crosby Group, the global leader
         partnership with the British Antarctic   Mongan said: “The successful utiliza-  in lifting, rigging, and material handling
         Survey (BAS), part of the Natural En-  tion of the product on such a marquee   hardware, has completed the acquisition
         vironment Research Council (NERC),   project  showcases  our  ability to engi-  of Feubo, a global leader in offshore moor-
         to deliver civil projects associated with   neer and ship below-the-hook solutions   ing components for the oil and gas and
         the new RRS Sir David Attenborough,   globally. Further, it serves as an exam-         continued on page 34
         a research vessel owned by NERC and
         operated by BAS for scientific research
         and logistics projects. Principally, a new
         wharf will provide safe berthing and ef-
         ficient operations for the iconic ship.
           The 8,217mm (27ft.)-long beam was
         designed by Dan Mongan, special ap-
         plication support, new product develop-
         ment specialist at Caldwell. Due to the
         cold weather in the Antarctic, steel alloy
         selection, welding processes, and type of
         paint were all important considerations
         at the outset, he said. The beam was
         based  on  the  standard  model  24  ad-
         justable bail lifting system, but offered
         higher capacity. ‘Bail’ refers to the cen-  Feubo is a global leader in offshore mooring components for the oil and gas and wind
         ter item that the crane hook attaches to.  energy markets.
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