bids are invited for 1 cement1 cement opc 53 grade in poly bags of 50 kg each make : ultra tech / acc / ambuja / jk. 2 sand1 sand coarse conforming to is-383-1970. 3 aggrgate1 graded stone aggregate coarse 10-20 mm conforming to is-383-1970 . 4 aggrgate2 graded stone aggregate coarse 20-40 mm conforming to is-383-1970 . 5 hard core1 hard core size 40-63mm graded 6 pcc solid block1 pcc solid block 400x200x200mm ( + / -10mm ) minimum strength 50kg / sqcm. pcc shall conform to is-2185 ( part i ) 2005. solid block made out of pcc 1:3:6 having the compressive strength 5 kn / sqmm. 7 tmt bar1 tmt bar fe 550 grade 10mm dia, ( make : tata / sail / kamdhenu / jai balaji / birla / uttam galva ) 8 water proofing1 water proofing compound, ( make : dr fixit, fevicol ) 9 earth filling1 earth filling 10 binding wire1 binding wire annealed not less than 0.9mm dia best quality 11 sand bag1 hdpe sand bag of size 34x14 inside laminated interlocking stitch, weight of the bag 42-45 gm / bag 12 bitumen sheet1 polythene bitumen membrane sheet of grade 2504 thickness 1.5mm type film, size 20m x 1m, minimum weight 2.25 kg / sqm make polybit 13 polythene sheet1 polythene sheet 150 micron thick best quality 14 playwood1 formwork shuttering plywood 8 x 4 x 12mm weight 30kg . make - ( centuryply / green ply or equivalent ) 15 scantling1 wooden scantling various sizes 16 black oil1 black oil for shuttering 17 nails1 nails various sizes 18 wooden logs1 wooden logs for props of size 1.6m long and 100mm dia 19 grating for drain1 grating for drain size 1mx0.95m made out of outer frame of size isa 40x40 5mm thk and 8 mm dia bars at 25mm gaping both ways 20 ms pipe1 ms pipe high grade of size 100mm od and 10 foot long with ms flanges on both side made out of 12mm dia plate