Pipe Clamp Size - 3.15 X 20 X 80 To Icf Drg. No. T-6-3-767 Alt. 'N/52'. Item-11. Matl. & Specn.- S: 1079/2009, Amndt. 01 Of Nov' 12. Grade 'Hr1' Sk. As Per Drg. Attach. [ Warranty Period: 30 Months Af Ter The Date Of Delivery ] ]