catwalks

I'm having a tough time trying to find any detailed plans on the arrangement of the catwalks for both the reciprocating engine room and for the turbine engine room. I'd like to be able to trace the paths to such spaces as the engineer's workshop and the paint stores compartment - both of which...

I have been pondering the Bruce Beveridge blueprints for quite a while and I noticed that there are doors leading onto said catwalk but they are not mentioned on the prints. On various movies I have seen them too so I know that they are there. Can somebody show me the plans for the catwalks or...