B20 If you do not have a copy of a previous CRA, please confirm the approximate date the last CRA was carried out on the building.
B20 Os nad oes gennych gopi o Asesiad Risg blaenorol o’r Cladin, rhowch fras amcan o’r dyddiad y cynhaliwyd yr Asesiad Risg diwethaf o’r Cladin ar gyfer yr adeilad.