@Tim Fairley thanks mate, I’m doing all of them in a large commercial project, including Mechanical/BMS, Electrical, Fire, Hydraulic, Security. I have templates from previous projects - were a bit light on in my previous companies/projects, so I’m not 100% confident ensuring I have everything covered considering I’m not too well versed in services drawings and specs henceforth, not too confident with the typical scope gap risks with the installation/co-ordination/interface issues that could arise during the build. And yep, I have a civil engineering background… lol