supply of diamond crossingdiamond crossing,fabrication and supply of 1 in 8.5 diamond crossing for 52 kg. complete with double slips (cu rved switches) b.g. for 52 kg. rails on psc sleeper layout complete with cms acute crossing to rdso?s drg . no. t-4867, cms obtuse crossing to rdso?s drg. no. t-5265 and 7000 mm or switches (curved) to rdso ?s drg. no. t-5364 latest alteration complete with all parts as listed in the sub-assembly drawing but exclu ding standard fish plates, fish bolts, elastic rail clips and insulating liners/metal liners and as per irs spe cification irs:t-29-2000 and irs:t-10-2000 with latest alterations. [ warranty period: 30 months after the date of delivery ] ]