It is expected that contracts for works and facilities will normally be let by competitive tender and that, unless there is some exceptional reason, the lowest should be accepted.
Disgwylir y bydd contractau ar gyfer gwaith a chyfleusterau yn cael eu gosod ar dendr cystadleuol fel arfer ac, oni bai am ryw reswm eithriadol, y dylid derbyn y pris isaf.