This manual covers the minimum requirements for inspection on pipes and pipefitting used in petroleum refinery. Locations to be inspected, inspection tools, inspection frequency, likely location of deterioration and causes, inspection and testing procedures have been specified in the Manual. Special emphasis was given on the quality assurance requirements in new projects and Additional Facilities jobs in view of the recent failur encountered in new projects. Critical issues of material selection and Common Paint Colour Code System have also been covered. Experience of newly completed projects is also incorporated to avoid repetitive failures on these accounts.