The ground or foundation have to can supporting the weight of the scaffold and any type of loads most likely to be placed on it. https://oysnvjpygl4k47carwnjzxt5ne7eedfzxhwosx2rdf6rhz2npc2a.cdn.ampproject.org/c/s/b.cari.Com.my%2Fhome.php%3Fmod%3Dspace%26uid%3D2999372%26do%3Dprofile