supply of inspection gauges , inspection gauges for 6400 mm 0.r. fan shaped switch (curved) bg for 60 kg on psc sleeper to drg. no. rdso/t-4966 for use in depot: (rdso/t- 6213). the single kit consist of 4 nos. different gauges. [ warranty period: 30 months after the date of delivery ] ] , manufacturing and supply of complete set of inspection gauges as per rdso drg no.t-9002 part) for 6400mm thick web switch 1 in 8.5 t-6280, one set consists of 1. gauge no.-1/a &1/b- end templa te-at actual toe, 2. gauge no.2a & 2b- head with checking gauge at point �h�( 22 mm head thickness), 3. gauge no.2/1-head with checking gauge at point �h� (22mm head thickness), 4. gauge no.3a & 3b-h ead with checking gauge at point �h� (55 mm head thickness), 5. gauge no.3/1-head with checking gau ge at point �h� (55 mm head thickness). list of gauges as per rdso and enclosed as annexure-i. [ warr anty period: 30 months after the date of delivery ] ]