What is meant by hook up drawing. Log in to Reply. Hutama Putra Wibawa. Here cable will routed through conduit. Select Sector: If it is a one off then building straight of the schematic and photo documenting would work. Actions Shares. CR4 allows you to "subscribe" to a discussion so that you can be notified of new comments to the discussion via email. Automatic update of process flow diagram documentation system. Your data is summarized and knowledgeable. Differential pressure instruments hooks up or bill of a wide collection of a wide variety. Hook-up drawing also gives information the requirement of bulk material for each installation. That is what you are asking this forum to do.