a method of constructing a palletizer cell by providing square platform bases which are assembled into an array in abutment with each other , each platform base mounting a respective component of palletizing equipment , such as a robot , one or more conveyors , a slip sheet bin , a discharge module , etc . with one platform base anchored to the factory floor and the rest attached to one or another of the platform bases to form the array of platform bases thereby properly locating the various equipment with each other by the fitting together of the platform bases . safety fencing sections are mounted atop one or more outer sides to substantially enclose the space within the palletizer cell . each platform base is formed with side openings which may be engaged with the tines of a fork lift .