• Checking of the drafts and construction drawings.
• Preliminary examination by way of calculation by own or offical control authorities.
• Checking of all arriving materials from the sub-supplier.
• Nondestructive methods of testing at prefabricated parts.
• Ultrasonic and radiographic testing
• Surface crack testings by penetration or magnetic powder testing methods.
• Leak test by hydraulic test.
• Performance check.
• Final test and inspection.
