Page 92 - Industrial Plants

tilted by more than 2° during lifting. Since each approach with modular trailers was the optimum
module had a different center of gravity and off- solution to save time and cost, not all modules
axis orientation in both the X and Y directions, were able to be installed by this method due to
hydraulic slings had to be strategically positioned environmental obstacles hindering the movement
atop the lifting frame to provide adjustable support of the loaded SPMTs at site. SPMT trailers could
to the Module’s four corners, ensuring balanced not access installation areas of 23 stacked
lifting. Each hydraulic sling, or cylinder, was modules, as the size of the modules exceeded the
carefully calibrated to accommodate the specific limits of the final turns to the installation areas.
weight distribution and dimensions of the These modules had to be lifted from the top side
respective module. Through precise calculation of by CJ ICM’s 1600 tons crawler crane to get over
the slings’ stroke setup, engineers ensured optimal the obstacles and placed on their foundations.
balance between the modular lifting frame and the These methodical approaches applied by CJ
load. Furthermore, to guarantee safety and ICM’s engineers ensured the safe and efficient
compliance with tilt limits, rigorous testing assembly and then installation of these heavy
procedures were implemented. Prior to lifting, all modules, minimizing potential disruptions and
Modules underwent a comprehensive test lift to streamlining the construction process. By
verify clearance from the ground within the leveraging innovative techniques and equipment,
prescribed tilting parameters. the construction teams were able to effectively
Another challenging factor was installation overcome the unique challenges posed by the
tolerance. These massive modules had to be handling of these components in the unforgiving
stacked within a 30 mm tolerance. This was conditions of the Iraqi desert.
mainly achieved thanks to the 90-degree axle
movement capability of SPMT trailers. Furthermore
tirfors were used from four corners for precise
alignment. Although this direct installation

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