Respondents advised that this approach was consulted on when a review was undertaken in England and Scotland and this approach was endorsed by the street works industry.
Dywedodd yr ymatebwyr yr ymgynghorwyd ynghylch y dull gweithredu hwn pan gynhaliwyd adolygiad yn Lloegr a’r Alban a bod y dull gweithredu hwn wedi cael ei gymeradwyo gan y diwydiant gwaith stryd.