2 flow and to assist easy parking; ? minimum spacing from any carpark column of 1200mm was required to prevent disturbance of existing foundations; and ? a regular practical layout was required to match the interior design and shelving layout of the library . The criteria were met with a grid of new columns at 7.8m x 13.2m. Single height steel columns were utilised between each carpark level, therefore carpark slabs did not need alteration and

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