upah4dWhat is 4D BIM? – BIM 4th Dimensions: Duration, Time & Scheduling. 4D is related to planning the construction site by adding a new element i.e. time. Scheduling dataUPAH4D Penyedia Game On NO 1 di IndonesiaLINK LOGIN LINK DAFTAR Link Alternatif : 1.5M ratings 277k ratings