regulation 5(a)
SCHEDULE 2(Manner of erection and installation)
Cleaning and testing
Every automatic rail-weighbridge shall be so positioned as to facilitate cleaning and testing.
Installation (Clause 3.5 of Part 1 of OIML R 106)
Ease of static testing
3.5.1. The automatic rail-weighbridge shall be accessible to vehicles for moving test weights if it is to be used as the control instrument.
Drainage
3.5.2. If the weighing mechanism is contained in a pit, there shall be a provision for drainage to ensure that no portion of the automatic rail-weighbridge becomes submerged or partially submerged in water or any other liquid.
Extract from Clause 5.2.1 of Part 1 of OIML R 106
The automatic rail-weighbridge shall be installed so that an automatic weighing operation will be virtually the same for testing as it is for a transaction.