... moving. 2.Seismic resistance: grade 8 3.Durability 20ft Office container house: 1 Size(1)External diameter:L 6058mmX W 2438mmXH ... depend on you9 down pipe(4pcs)4pcs PVC down pipes in 4 corners10 Usageaccommodation,office,living room,hotel,meeting room, dormitory ... , toilet, storage, kitchen, shower room and so on.Basic facilites in the container house