supply of inspection gauges as per rdso drg no.t-4782 , manufacture and supply of complete set of inspection gauges as per rdso drg no.t-4782 (p art) for 1 in 12 cms crossing b.g. for 60 kg. to drg. no. rdso/t- 4220 for use in depot. one set consists of : (a) bottom width gauge (at sleeper location) gauge no.1, (b) flange way clearance gauge no. 2,(c) flang e way clearance (at throat) gauge no. 3, (d) flange way clearance (41mm) gauge no.4, (e) nose depress ion gauge no.5, (f) nose thickness gauge no.6, (g) end slope gauge no.7, (h) wing rail gauge(outside) g auge no.13, (i) wing rail gauge(at nose) gauge no.14. (duly packed in well cushioned double decker syst em for easy handling) [ warranty period: 30 months after the date of delivery ] ]