FUJI Precast Box Culvert is designed for JIS (T-25) with an earth cushion of minimum 200 mm
to maximum 3000 mm. Box Culvert design is also confirming to IRC 70R loading.
Box Culvert is ideally suitable for road crossing.
Box Culvert is intended to be used as underground Storm Water Duct, underground Utility
Duct and Vehicular Underpass.
Box Culvert is available in the following sizes.
Width: 600 ~ 3000 mm
Height: 900 ~ 3000 mm
https://www.fujisilvertech.com/product/box-culvert/