Abstract
The inspection of pipeline coating is crucial to the lifetime performance of the pipeline. Inspection during installation of the pipeline and as part of the routine maintenance programme is essential. It is often said that inspection processes save money by ensuring that relevant specifications are achieved but that writing reports for the inspection process cost money. One way to reduce the cost of inspection reporting and to speed up the inspection process is to use a data management system to present the inspection data in a consistent and organised manner. The automation of the reporting process is an important cost saving that allows more time to be allocated to the important task of inspection and the achievement of the coating specification. There have been recent developments in both the design of reporting software and inspection gauges which together make achieving a paperless quality assurance system a reality for all protective coating applications. This paper describes the latest design and operational features of coating thickness gauges, dewpoint meters, surface profile gauges and other related gauges and describes how data can be easily transferred from the memory of these gauges into personal computers and mobile devices by running a dedicated software program for coating inspection data management. The creation of reports combining test results from a broad range of both digital and non-digital test methods will be discussed with particular emphasis on the use of Standard reports and the preparation of pre-formatted report forms.
Highlights
During the coating of steel structures several inspection measurements are required to be taken and reported in accordance with whichever standard the installer is required to follow.ISO 19840 Paints and varnishes -- Corrosion protection of steel structures by protective paint systems -- Measurement of, and acceptance criteria for, the thickness of dry films on rough surfaces and ISO 8502-4 Preparation of steel substrates before application of paints and related products -- Tests for the assessment of surface cleanliness -- Part 4: Guidance on the estimation of the probability of condensation prior to paint application are but two of the standards which may be used.As important in this process is the reporting of the findings
The inspection of pipeline coating is crucial to the lifetime performance of the pipeline
It is often said that inspection processes save money by ensuring that relevant specifications are achieved but that writing reports for the inspection process cost money
Summary
During the coating of steel structures several inspection measurements are required to be taken and reported in accordance with whichever standard the installer is required to follow. ISO 19840 Paints and varnishes -- Corrosion protection of steel structures by protective paint systems -- Measurement of, and acceptance criteria for, the thickness of dry films on rough surfaces and ISO 8502-4 Preparation of steel substrates before application of paints and related products -- Tests for the assessment of surface cleanliness -- Part 4: Guidance on the estimation of the probability of condensation prior to paint application are but two of the standards which may be used. As important in this process is the reporting of the findings. A reading of 2.0 μg/cm total salt level on the instrument would be divided by 1.65 to give 1.2 μg/cm as chloride
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