supply of combination gfn linercombination gfn liner, manufacturing and supply of combination gfn-66 insulating liners for use with concrete sleepers to rdso drg. no. t-3708, alt.7 / latest alteration and spn. irst-44-1995 with corrigendum no. 6 of march 2018 / latest corrigendum. [ note: combination gfn liner one set is comprised of t-3707 - 01 no and t-3708 - 01 no ] [ n.b: terms latest alterations wherever used will mean the alterations up to the actual date of closing of tender ] . [ warranty period: 30 months after the date of delivery ] , manufacturing and supply of combination gfn-66 insulating liners for use with concrete sleepers to rdso drg. no. t-3708, alt.7 / latest alteration and spn. irst-44-1995 with corrigendum no. 6 of march 2018 / latest corrigendum. [ note: combination gfn liner one set is comprised of t-3707 - 01 no and t-3708 - 01 no ] [ n.b: terms latest alterations wherever used will mean the alterations up to the actual date of closing of tender ] . [ warranty period: 30 months after the date of delivery ] , manufacturing and supply of combination gfn-66 insulating liners for use with concrete sleepers to rdso drg. no. t-3708, alt.7 / latest alteration and spn. irst-44-1995 with corrigendum no. 6 of march 2018 / latest corrigendum. [ note: combination gfn liner one set is comprised of t-3707 - 01 no and t-3708 - 01 no ] [ n.b: terms latest alterations wherever used will mean the alterations up to the actual date of closing of tender ] . [ warranty period: 30 months after the date of delivery ] , manufacturing and supply of combination gfn-66 insulating liners for use with concrete sleepers to rdso drg. no. t-3708, alt.7 / latest alteration and spn. irst-44-1995 with corrigendum no. 6 of march 2018 / latest corrigendum. [ note: combination gfn liner one set is comprised of t-3707 - 01 no and t-3708 - 01 no ] [ n.b: terms latest alterations wherever used will mean the alterations up to the actual date of closing of tender ] . [ warranty period: 30 months after the date of delivery ]