Page 36 - Wire Rope News & Sling Technology - August 2018
P. 36

continued from page 34             number of other seals.”            of 8-ton capacity Broderson carry decks
         rounding boulders were drilled and fixed   Sea-Lift’s  Waddell  added:  “We  were   for  material handling;  and a 250-ton
         into position to prevent cave-in during   indebted to a local person who sup-  capacity Liebherr LTM1200 all-terrain
         the rescue, which would have made it   plied 8 ft. plywood sheets  to create a   crane, used to hoist the Yankee off the
         unsafe for the rescue team, put the seal   safe pathway [to the site]. I have used   second-floor temporary mezzanine that
         further out of reach, and put the pup’s   such gantries before and know them to   the dryer was slid out onto.
         life in greater danger—or worse.   be lightweight and versatile—ideal for   Long outlined those challenges in
           Gary Moorhouse, Director at Lifting   the job in hand. LGS [Lifting Gear &   greater detail. Since the dryer was a pri-
         Gear & Safety, said: “The rescue team   Safety] were very helpful, as usual.”  mary component of an existing in-line
         quickly identified a need for an overhead   Lifting Gear  & Safety stocks Reid   paper machine, he said, it was deeply
         lifting solution to remove a large boulder   Lifting’s Porta-Gantry range from 1t to   embedded within the plant and required
         and a crane wasn’t an option due to the   5t capacity.                the project team to make three direction-
         nature of the location and environment.                               al changes and three elevation changes
         They suspected it would be about 1t in  Irving Equipment Uses         to avoid existing infrastructure.
         weight but they opted for our 5t system  Hydra-Slide Low Profile        Long added: “As the dryer was on
         to give them plenty of capacity to work   Skidding System For Dryer   the second floor of the plant, in order
         with. We frequently supply Reid’s gan-  Change-Out                    to get it  to ground  level  a temporary
         tries for diverse applications, but this   A  350-ton  capacity  Hydra-Slide  low   mezzanine was designed and installed
         was the first time that one has been used   profile hydraulic skidding system was   outside of the plant at the same eleva-
         for a wildlife rescue such as this.”  used to change-out a Yankee dryer at   tion as the sliding system, and the back
           Versatile solution               a facility in New Brunswick,  eastern   wall of the plant was removed. This al-
           Nick  Battersby,  Managing Direc-  Canada, recently. The LP350 was uti-  lowed us to slide the dryer completely
         tor at Reid Lifting, a manufacturer of   lized  by  heavy lifting  and specialized   outside of the building and onto the
         lightweight gantry and davit  cranes,   rigging business, Irving Equipment.  mezzanine before lifting it off with our
         said: “Further to the versatility demon-  Affiliated company Irving Tissue, a tis-  Liebherr LTM1200.”
         strated  by such a unique application,   sue production firm, had a requirement   It was determined that the concrete
         the seal pup rescue also showcased how   to remove a 55-ton dryer and replace in   floor of the building could not support the
         a rapid response to an emergency or   kind. Both systems were 12 ft. 5 in.-diam-  loads that would be imposed by the dryer
         unscheduled situation can be delivered   eter and 13 ft. 4 in.-long cylinders with 4   as it travelled along its path. In order to
         to an end user through our rental part-  ft.-long shafts sticking out of either end.   mitigate this, a steel grillage system was
         ners. It is also uplifting that the Porta-  Irving was responsible for all movements   engineered and installed to bridge the
         Gantry is now associated with a human   of the outgoing and incoming units.  floor between supporting columns under
         interest story that led to the rescue of a   Ryan Long, Operations Manager for   the floor for the entire route. Since the
         seal pup that captured the hearts of ev-  southern  New  Brunswick  and  Nova   dryer removal was part of a larger over-
         eryone involved with the project—and   Scotia at Irving Equipment, explained   all shutdown, the grillage system had to
         further  afield,  as  local  and  national   that the scope of work presented four   be installed in a sequence that didn’t im-
         media covered what turned out to be a   standout challenges,  namely travel   pede that scope of work.
         significant rescue operation.”     route, second floor location of the dry-  Innovative solution
           It’s not clear how Miracle, thought to   er, floor strength, and tight confines for   The underside of the installed dryer
         be stuck for at least two days, became   blocking up the loads.       was approximately 5 ft. off of the floor,
         stranded beneath the boulders; it had   In addition to the LP350, Irving em-  which made for a considerable amount
         got itself trapped, say, 10 ft. from the   ployed  an Enerpac EVO power pack   of  blocking  to be done  when  lowering
         surface.  One  media report suggested   system and four 50-ton capacity jacks   it  down  to  the  floor.  “Combined  with
         it was startled by something and took   for vertical jacking of the dryer; a pair      continued on page 38
         shelter  in  the  rocks.  An  area  of  the
         beach was sealed-off while Reid’s gan-
         try was brought in and the site secured.
         Once freed, the seal, which appeared to
         be unharmed,  was taken to a special
         sanctuary in Taunton, Somerset.
           De Celis concluded: “Moving the boul-
         ders was essential in allowing us access
         to rescue this animal; I’m not sure how
         else we could have done it, particularly
         within the timeframe we needed to  do
         it in. When performing a rescue, time is
         of the essence, as animals can become
         stressed or suffer due to lack of food and
         water. Therefore, the outcome could have
         been very different if we either could not
         have gained access, or if it had taken too
         long to do so. I take personal satisfaction
         that the rescue plan came together and
         that Marina, aka Miracle, has now been
         successfully released  at Combe  Martin   The Liebherr was used to hoist the dryer off the second-floor temporary mezzanine that the
         on the North Devon coast, along with a   unit was slid out onto.

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