lining up contract for for radiography and stress relieving jobs in various plants , at rcf thal , supply of items as per following specifications , radiographic inspection of weld jts . , stress relieving for pipe size up to 2 , thk . upto 1 , stress relieving for pipe size up to 2 , thk . 1 to 2 , stress relieving more for pipe size than 2 , up to 4 , thk upto 1 , stress relieving for pipe size more than 2 , up to 4 , thk 1 to 2 , stress relieving for pipe size more than 4 , up to 6 , thk upto 1 , stress relieving for pipe sizemore than 4 , up to 6 , thk 1 to 2 , stress relieving for pipe sizemore than 6 , up to 10 , thk upto 1 , stress relieving for pipe sizemore than 6 , up to 10 , thk 1 to 2 , stress relieving for pipe size more than 10 , up to 14 , thk upto 1 , stress relieving for pipe size more than 10 , up to 14 , thk 1 to 2 , stress relieving for pipe size more than 14 , up to 18 , thk upto 1 , stress relieving for pipe size more than 14 , up to 18 , thk 1 to 2 , stress relieving for pipe size more than 18 , up to 24 , thk upto 1 , stress relieving for pipe size more than 18 , up to 24 , thk 1 to 2 , stress relieving for pipe size more than 24 , up to 30 , thk upto 1 , stress relieving for pipe size more than 24 , up to 30 , thk 1 to 2 , stress relieving for pipe size more than 30 , up to 36 , thk upto 1 , stress relieving for pipe size more than 30 , up to 36 , thk 1 to 2 , stress relieving for pipe size more than 36 , up to 40 , thk upto 1 , stress relievingfor pipe size more than 36 , up to 40 , thk 1 to 2 , stress relieving for pipe size of weld joints ( weld jt . area basis ) , preheating of pipes & cylinderical equipment , requirement of preheating equipment , requirement of sr equipment , requirement of radiography equipment , mobilization , demobilization