AS NZS 2885.6:2018 pdf free.Pipelines- Gas and liquid petroleum Part 6: Pipeline safety management. 1.5.3 Documentation 1.5.3.1 General The SAFETY MANAGEMENT PROCESS shall be documented with sufficient detail so that independent reviewers or future users can make an informed assessment of the integrity of the process and its outcomes, including the basis for the identification of THREATS and the reasoning...