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A-Standard Inspection procedure for Dry & thorough inspection
- Checking the registration number of the Boilers
- Carryout thorough inspection of Boiler from both inside and out side
- Check for defects like corrosion, erosion, bend, bulging, pitting, deformation, thermal expansion etc of pressure parts
- Check thickness of pressure parts
- Check the conditions of mountings & fittings
- Witness non destructive tests if required
B-Standard procedure for ground inspection of pressure parts under erection
- Verification of documents of pressure parts with relevant certificates
- Verification of approved drawings
- Checking pressure parts makers stamp & other identification marks with form no-II
- Checking of leading dimension of the parts & comparing with approved drawings
- Checking general condition of the pressure parts like dent marks, pitting, bend etc
- Checking of fittings & mountings with relevant drawings
C-Standard procedure for material inspection
- Verification of the approved drawings corresponding to the materials & documents
- Checking of the pressure parts materials with relevant IBR certificate and approved drawing.Check name of the material, its specification, heat no, cast no.class, size, identification number & stamping etc
- Checking of leading dimension of the parts & comparing with approved drawings
- Checking general condition of the pressure parts like dent marks, pitting, bend etc
- Selection of samples for physical and chemical analysis/testing
D-Standard Procedure for weld set up inspection
- Verification of approved drawing
- Verification of Welder’s certificate
- Verification of the certificates of welding consumables
- Verification of the approval of contractor for particular job
- Verification for the procedure of welding procedure
- Verification for the site satisfactory simulation test results
- Verification of test results of pipe, tube or plates
- Checking of root gap,weld groove profile and alignment of the pressure parts to be welded as per approved drawing
- Ensure weld joint area to be welded is free from dust, dirt, oil & grease.And also ensure it is crack free
- Check weld joint identification number.
E-Standard Procedure for welding joint inspection
- Visual inspection of general condition of the weld joint like, slag, under cut, finish, surface crack, leg length etc
- Check alignment of the pressure parts
- Witnessing Dye penetrant test, magnetic particle inspection test & hardness tests if required
- Selection of weld joints for NDT test like ultrasonic & radio graphic tests
F-Standard Procedure for Boiler Hydraulic tests
- Verification of the satisfactory non destructive tests of the welding joints
- Verification of PMI (Positive Material Identification) report of the weld joints
- Verification of pressure parts calculation approval
- Verification of all previous inspection reports and Post weld heat treatment (PWHT) charts
- Check the calibration reports of pressure gauges using for hydraulic test
- Witnessing Hydraulic test carried out as per IBR-1950
- Checking of deflection, distortion and extension of pressure parts during hydraulic test
- Thorough inspection of pressure parts for any leakages and sweating
G-Standard Procedure for Boiler steam tests
- Verification of the provisional order of the Boiler
- Witnessing the steam test carried out as per IBR-1950
- Check, popping pressure, reset pressure, blow down, accumulation, chattering, lift
- Checking of the performance of the mountings and fittings
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