tender for cutting chain complete set for plasser make bcm-rm- 80 machine, plasser pt. no.64.08.2000.14,as per rdso specification no. - tm/hm/6/111, rdso drawing no. tm/9302 (rev.) a&b. one set of consistingof scrapper shovel, intermediate link, etc. as per list of 08 (eight) items 1) scrapper shovel, plasser part no. -64.08.2038 = 85 nos. 2) intermediate link, plasser part no.: 61.04.211 = 85 nos. 3) chain bolt, plasser part no.- 61.04.212 = 340 nos. 4) round shaft chiesel, plasser part no. - 64 .08. 2034 = 425 nos. 5) trapezoidalheaded bolt with double nut & heavy duty spring washer, plasser part no. - 61.04.218 = 510 nos. 6) lockwasher for round shaft chiesel, plasser part no. - 64 -08-2035 c = 425 nos. 7) serrated elastic hallow pin(fixing pin), plasser part no. - 8 x 40din 1481= 425 nos. 8) dredger drum disc, plasser part no. - 61 -04- 519= 01 no. make: - plasser or equivalent., hsn code:- 7325. note : 1) each set of cutting chain will consist of 85nos. of scrapper shovel, 85 nos. of intermediate link, 170 nos. of chain bolt, 170 nos. of t. headed bolt, 425nos. of round shaft chiesel, 425 nos. of lock washer, 425 nos. of serrated elastic hallow pin (fixing pin) and01 no. of dredger drum disc. 2) balance quantity of chain bolt and t. bolts numbering - 170 nos. and 340 nos.respectively shall be supplied in spare and the same must be suitable for mounting fitment in the supplied cuttingchain. a ) : detail specification of each components : i) scrapper shovel & intermediate link: a) metallurgicalgrade: 1 of is: 276-2000, specification austenitic manganese steel casting. b) hardness: 220 - 230 bhn. ii)chain bolt: material grade: 40 cr4 of is: 5517- 1993. iii) round shaft chiesel: a) material grade: 60 si 7 to is:3195- 1992, b) hardness: 54 4 hrc (rockwell). iv) trapezoidal headed bolt: material: en - 45, should besupplied with double nut and heavy-duty spring washer. v) lock washer for round shaft chiesel: material: en -45. vi) fixing pin should be serrated and made by spring steel. b ) : other conditions : i) metallurgicalcomposition, hardness certificate and ultrasonic test certificate from a government recognized test houseshould be provided along with supply. ii) finished components should have no burrs and chips. iii) components ofeach set should match with each other in all respect. iv) the components shall be protected with one coat ofboiled limseed oil conforming to is: 77-1976 (limseed oil for paints) or with other rust preventing compound. v)month and year of manufacturers identification along with melt/batch no shall be in graved/embossed at thescraper shovel for identification purpose . c) working / performance guarantee : a) guarantee certificate ofworking at least 20 kms. for scrapper shovel, intermediate link, dredger drum disc and cutting chain completeset. b) in case of any failure, the failed parts should be replaced with a new one within 07 (seven) days at suppliercosts. in case of penalty failure of the chain, the same should be replaced by the contractor on his own costwithin a fortnight. d) supply schedule - 90 days from the date of issue of letter of advance acceptance.
