Sch 6 para 31 Manner of erection and installation
(1) Every automatic rail-weighbridge must be— (a) so positioned as to facilitate cleaning and testing; and (b) installed so that the weighing operation is the same for testing as it is for a transaction. (2) If the weighing mechanism of the automatic rail-weighbridge is contained in a pit, there must be provision for drainage to ensure that no portion of the rail-weighbridge becomes submerged or partially submerged in any liquid.