tender for remodeling/rehabilitation of watercourse o/l rd 9250-r sipper jamalpur minor.; 1 credit of old bricks and brick bats 2 supply, carriage and fixing of r.c.c panels of requisite sizeas per approved design drawing and p.w.d. specifications (24` x 24`) 3 supply, carriage and fixing of r.c.c lids dia 18` 4 supply carriage and laying of 100 micron polythene under bed lining 5 brick work for arch / culvertin cement mortar 1:3 (1 cement : 3 coarse sand)with extra for brick work in archspecially molded by common burnt clay non modular bricks of class designation 7.5 or cut-bricks have to be used: but for which no centering or supports are required up to 4.5 meters internal diameter as per based hsritem no.7.21.1 7.65=4376.16 plus 147=4523.16*.893=4039.18( detail analysis attached )