Last Thursday was a busy day for me... busy supervising lifting activities at my workplace... currently, I'm handling a project installing a new DDUPS (genset for power backup).
Well, there are 3 gensets arrived... the weight, hemmm roughly almost 19 tonnes... the length around 6 meters x 2.4m width..... need to put these monsters on the 2nd floor of our central utilities building (CUB)... the height is roughly around 6 meters...
Before the activity was performed, did discussed thoroughly with the main contractor & also the lifting contractors... initially, I did requested to installed cantilever but it's not practical (+ it quite expensive of course)... so the lifting contractors proposed to used TWO 60 tonnes mobile crane to lift the genset... BUT, before we really start the activity, my supervisor asked me to do some calculations on the lifting activity... calculate the angle, the minimum length of the genset on the plith, the available space for the genset move in, the length of the cable to ensure the cable will not damage the wall (the edge of CUB)... so, manage to calculate it & established Method Statement of lifting agreed by the contractor... will post all the calculations & photos in next posting....
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Note the mentioning of lifting calculation, just wanna know who is the qualified person to do the calculation ? thanks.
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