Quality check points before lifting and during structure erection

• Prior to erection process, AB threads and nuts must be checked to ensure that
  • Nut of Anchor Bolt should move freely
  • Thread of Anchor bolt should be free from external material (i.e. cement, dust, grease, oil etc.)
  • Both nuts should be available with every anchor bolt
  • Anchor bolt thread should not be damaged or bent
• Check the top level of nut and Anchor bolt deviation
• Painting quality should be satisfactory
• Touch up of paint to be done on handling mark location on structure before lifting
• Always cross check the bolts sizes and part marks with drawing
• Check Bolt tightening as per following procedure and steps
  • Diagonal bolt tightening
  • Initial snug tightening of bolts
  • Final tightening of bolts to be done by Torque wrench as per defined Torque value
  • Turn of nut tightening to be ensured with proper marking
• Ensure proper fixing of secondary items
• Check the painting condition and painting requirement for specific Project