Tender For corrigendum : supply of insulating joint 14" -600# as per data sheet no. c007-000-83-44-ds-001 (with surge diverter) , insulating joint 6" -600# as per data sheet no. c007- 000-83-44-ds-002 (with surge diverter) , insulating joint 4" -600# as per data sheet no. c007-000-83-44- ds-002 (with surge diverter)