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 Atasi Dengan Solusi Tampa Basa-Basi Gaskeun.. H O M E · I N B O X · G R I D · T H E M E · DAFTAR LOGIN ALTERNATIF · upah4d