The design of Bentall Rowlands Flat bottom silos are based upon the loads and pressures derived from the German DIN 1055 1987 standard. Structural calculation based upon BS 5950 part 5 and wind loading of 50m/sec (180m/h) for a probability period of 25 years.
Standard ranges from 3.0m diameter 15 tonnes storage to 27.0m diameter 13,725 tonnes, all silos are designed for high cyclic loading, i.e. high usage of product in and out and at high tonnage rates. Silo roof panels, wall sheets and stiffening struts (up to 3mm thick) are sheared and formed from pre-galvanised steel sheet, with a minimum of G600 galvanising.