Tender For supply of coated line pipes as per api 5l, x-56, 12 3/4 inch (323.9 mm) od - item a , inland transportation upto delivery location and other costs item no. a , coated line pipes as per api 5l, x-52, 6 5/8 inch (168.3 mm) od - item b , inland transportation upto delivery location and other costs item no. b