Your employers should have a Health and Safety file on the premises and yes someone in senior Management should have been in the appropriate courses and should have done RAs for each task. You should have been made aware of Manual Handling procedures re the beds and the taking down of curtains constitutes Working at Height and you should have step ladders and be trained in their use. Having sAid all that, these things are often neglected and workers can face victimisation if they bring such things to the notice of management.