Speaking of PPE, make sure you have gloves of every type, goggles, face shield, 5-point harness with fall arresting lanyard, hearing protection, hard hat, bump cap, chemical apron, steel toed boots, rubber chemical boots, arc fault suit, welding helmet, welding jacket, full face respirator with various "up-to-date" cartridge types, SCBA breathing equipment with extra tanks and you better have a few Level "A" protective suits on hand. Now you ready to go to work.