Kletz and colleagues in 1998 discussing follies of permit to work (PTW) systems, and some improvements. Was meant to be a mini-post, but couldn’t be bothered cutting it back. Extracts: ·         “A quick check of the Institution of Chemical Engineers’ Accident Database reveals that over 700 accidents of the 5000 listed were maintenance-related” ·         Some… Continue reading More Effective Permit-to-Work Systems