Gasket for trunnion seal of ball mill bbd 3448 of boiler 9

1)trunnion forging as per drg no. 12160117802 (rev.00) along with test piece and prod. std. ht00246 rev.03 in heat treated and rough machined condition. qty: 2 no 2)rough machined dumble forging as per drawing no. 32120617806 (rev. 00) and technical requirements mentioned theirin. supplier has to submit a forging plan (along with sketches) to achieve 4:1 reduction ratio and heat treatment. supplier to furnish tc for material and ndt qty: 2 no