Page 50 - Wire Rope News & Sling Technology
P. 50

er beam) combined to complete the lift.
                                                                                 Slavinskas  said: “The steel cables
                                                                               were rigged on the rigging loops of the
                                                                               chimney.  We could not use  synthetic
                                                                               slings because the friction force could
                                                                               have  burnt  them  during  the  erection
                                                                               process. The tandem lift was the most
                                                                               reliable option. There were alterna-
                                                                               tives but they were  economically and
                                                                               logistically inferior.”
                                                                                 Slavinskas  recalled the lifting pro-
                                                                               cess:  the Terex crane had to tail the
                                                                               chimney to the position of 15m from the
                                                                               Liebherr to the center of the pipe. Then
                                                                               the main crane took the chimney alone
                                                                               and mounted it on the foundation. The
                                                                               only problem to overcome was turning
         continued from previous page       a 90t Faun ATF90G-4 mobile crane.   the truck transporting the chimney 90
         ment professionals in an environment   Haulage  firm  Klaipedos  Transek-  degrees,  which  required  some  of  the
         specifically suited to their needs. Our   spedicija took care of overnight trans-  site’s waste pile to be cleared away.
         classroom and showroom allow stu-  portation to the jobsite.            He added: “The lifting process took
         dents to not only see our products in   The following morning, a 500t capac-  no  more  than  three  hours.  It  took
         action but get hands-on experience   ity Liebherr  LTM1500-8.1 and 200t   more time to assemble the main crane
         with everything from STAC chain and   capacity Terex AC200—the latter was   [four hours] and then to disassemble
         shackles to manual chain hoists and   used for tailing—combined in tandem   it  [four  hours,  again].  While  there
         electric chain motors.”            lift to complete the project. Below the   was only one lift involved in this proj-
           Staffed by industry-expert enter-  hook of the Liebherr, a MOD 70 beam   ect, Strele has completed hundreds of
         tainment trainers, the CM-ET train-  was used at 3m in length, to accommo-  projects of this kind. One peculiarity
         ing  center  at  Rock  Lititz  provides   date rigging points manufactured onto   was that chimneys are more common-
         application  and  product  expertise  to   the outside of the chimney.  ly erected in multiple pieces of, say,
         touring companies at the Rock Lititz   Jokūbas  Slavinskas,  Project  Man-  20m in length.”
         Studio as well as entertainment pro-  ager  at Strele,  explained that at one   Of the MOD 70 spreader beam, that
         fessionals from around the world.   stage a second spreader beam was con-  can lift up to 70t at 10.5m or 33 ft. and
         Courses  available  at  the  facility  in-  sidered with the Terex but synthetic   up to 14m or 45 ft. at a lower capacity,
         clude everything from basic CM-ET   slings were opted for instead. In total,   Slavinskas said: “It performed well; it
         motor and rigging workshops to new   four 10m-long roundslings,  four 7m-  offered us what we needed and it was
         courses  such  as  rope  access  certifi-  long steel cables, two 25t shackles, two   delivered in a timely fashion. Actually,
         cation (SPRAT) and fall protection   55t shackles, and two 85t shackles (the   we took the job without having the ap-
         training. The company also offers in-  last four were connected to the spread-  propriate beam in  stock,  although  we
         depth product demos to provide better
         understanding on how to use and care
         for motors and rigging equipment.                                                            A MOD 70
                                                                                                    spreader beam
           To learn more about our Rock Lititz                                                      was used at 3m.
         Training Center, see our full course of-
         fering or to register for a training class,
         visit our training website: https://train-
         ing.cmworks.com/pages/rock-lititz.
         Modulift Spreader Beam
         Raises Chimney in Tandem
         Lift
           Baltic mobile crane rental company
         Strele Logistics supplied lifting and rig-
         ging  equipment,  including  a  Modulift
         spreader beam, as a 49t chimney was
         installed at a biological waste treatment
         facility in Kaunas, Lithuania.
           Strele  accepted  a  scope  of  work  to
         load the 35m-long, 2.75m-diameter
         pipe where  it was manufactured at
         Enerstena Group’s facility, 3km away,
         and erect it in its final location. It was
         first loaded onto a semi-trailer (a trail-
         er without a front axle) using two 15t
         capacity overhead cranes  that were
         already  installed in the building, and

         50     Wire Rope News & Sling Technology   April 2018
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