tender for improvement of various place patch work from brahaspati mahila road and bakarganj xing in zone 03 - construction of gsb granular sub base by providing well graded material spreding in uniform layers with mortar grader on prepared surface comp 2 prov/ applying tack coat with bitumen using at the rate of 0.30 kg per sqm as phalt before b.m.& s.d.c. layer including etc all comp 3 dense graded bituminous macadam (dgbm) 25 mm thick ( average) bituminour macadam with 60-90 tph batch type hmp hot mix plant producing and average output of 75 tonnes per hour crushed aggregates of specified etc all comp 4 prov/laying bitumious concrete (bc) 25 mm thick ( average) with computrised hmp type hot mix plant producing and average output of 75 tonnes per hour crushed aggregates of specified grading permiexed with bitumenour etc all comp