Initial benchmarking work has been undertaken by the services, however due to the impact of COVID-19 further commissioning was delayed and will now be completed by the end of 2020.
Mae'r gwasanaethau wedi gwneud gwaith meincnodi cychwynnol, ond oherwydd effaith COVID-19 gohiriwyd gwaith comisiynu pellach ac felly bydd yn cael ei gwblhau erbyn diwedd 2020.