In terms of contractual obligations, it is important to realise that the contracting party can change what ever they like in the Accepted Programme provided it still complies with the requirements of clause 31.2, one of which is to comply with any requirements stated in the Works Information. Ergo, if the H&S document is referenced from the employing parties WI, they have to comply with it under contract.
Likewise if the RAMS is referenced from the contracting parties WI, they have to comply with it.
Likewise if the RAMS is referenced from the contracting parties WI, they have to comply with it.