supply of thick web switch . drg.no. t-6155, manufacture and supply of 10125mm curved switches as per rdso%u2019s drg. no. t-6155 [ with latest alterations ] with zu-1-60 thick web grade 880 class-a tongue rails and uic 60 kg per m grade- 880, class a or b stock rails with elastic fasteners and spring operated setting device [ rdso-t-6216 with latest alterations ] complete with all fittings for 1 in 12, bg 60 kg turn out for fan shaped layout on psc sleepers i.e., all fittings for switch portion as per sub assembly no. t-6155 [ with latest alteration ] in accordance with rdso%u2019s standard drawing no. t-6154 [ with latest alterations ] excluding standard fish plates, fish bolts and nuts, elastic rail clips and insulating liners [ the tentative list of fittings as per alt-5 is enclosed at page 4 of annexure-a of rate contract. any addition / modification to the list of fittings, issued by rdso in subsequent alterations upto the date of closing of tender is also to be supplied by the firm for which no additional payment would be made. specification: t-10 / 2000. corrigendum no.1 of dec.2016 or with latest alteration if any upto the date of closing of tender ] [ warranty period: 30 months after the date of delivery ] , manufacture and supply of 10125 mm curved switches as per rdsos drg. no. t-6155 [ with latest alterations ] with zu-1-60 thick web grade 880 class-a tongue rails and uic 60 kg per m grade-880, class a or b stock rails with elastic fasteners and spring operated setting device [ rdso-t-6216 with latest alterations ] . complete with all fittings for 1 in 12, bg 60 kg turn out for fan shaped layout on psc sleepers i.e. all fittings for switch portion as per sub assembly no. t-6155 [ with latest alteration ] in accordance with rdsos standard drawing no. t- 6154 [ with latest alterations ] excluding standard fish plates, fish bolts and nuts, elastic rail clips and insulating liners [ the tentative list of fittings as per alt-5 is enclosed at page 4 of annexure - a of rate contract. any addition / modification to the list of fittings, issued by rdso in subsequent alterations upto the date of closing of tender is also to be supplied by the firm for which no additional payment would be made. specification: t-10 / 2000. corrigendum no. 1 of dec. 2016 or with latest alteration if any upto the date of closing tender ] [ warranty period: 30 months after the date of delivery ]