tender for in- service inspection of plant equipments & pipelines - mobilization of skilled manpower (level- ii & iii) , ndt instruments, required consumables, carrying out below mentioned ndt activities and submission of report visual examination - thorough examination of the entire equipment/ pipeline loop including body, nozzle, studs, washer & supports as instructed by the engineer in-charge for any dimensional variation, visual crack, surface condition, viz. errosion , corrosion etc. job include removal of insulation, buffing & grinding (if any) for inspection hardness measurement - thorough grinding & cleaning of the surface, insulation removal (if any) prior to performing the test. non-denting equipment should be used and hardness should be taken at four diametrically opposite points in case of pipelines. one spot consist of three points, ultrasonic thickness measurement - thorough grinding & cleaning of the surface, insulation removal (if any) prior to performing the test. thickness should be taken at four diametrically opposite points in case of a pipeline using normal probe with a proper record of the results including percentage reduction in the thickness. job include removal of insulation for carrying out the test.