tender for provision of scour arrangement in the main header line at sarita vihar sps-- 1 supply of 450 mm dia. ms pipe duly painted with black enamel paint, length- 130 mtrs. thickness - 6 mm. djb circulated rates 2 supplyof 450 mm dia. sluice valve, ci double flanged non-rising spindle sluice valve, is:14 sub, ci body/wedge/bronze ring/s.s. 410 shaft construction. make:- kirloskar/ivc/dorot/any djb approved make sor djb 2024-25 4.3.1 oem rates 3 hydraulic excavator (3d) with driver and fuel. dsr 2021/0020 4 hiring and running charges of crane 20 tonne capacity. dsr 2021/0028 5 pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like. dsr 2021/14.23 6 laying of 450 mm dia. ms pipe including welding works with the help of expert staff, mechanical tools and tackles as required at site. cutting the rusted nut bolts of dead end of scour arrangement provided in the main header line, with the help of gas cutter, taking out the dead flange from the pit. fixing the sluice valve of 450 mm dia. in the existing scour arrangement flange and newly laid ms pipe flanges both sides with the help of nut, bolts, packing as required at site. justified rates 7 brick work with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in foundation and plinth in:: cement mortar 1:6 (1 cement : 6 coarse sand).4(2x2x0.355) = 5.68, less ms pipe vol.2x3.142x0.462x0.355/4 =0.25 cum, 5.68-0.25 = 5.43 cum dsr 2021 6.1.2 8 cement plaster (in fine sand), 12 mm cement plaster of mix :1:6 (1 cement: 6 fine sand). 2 x 2 x 2 = 8 sqm, 22 x 2 x 2 = 8 sqm,, less ms vol. of pipe , 2(3.14x0.462/4)= 0.73 sqm, 8+8+0.73=16.73 sqm.dsr 021-13.1.2 9 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:3:6 (1 cement : 3 coarse sand (zone-iii) : 6 graded stone aggregate 20 mm nominal size) mtr. for pcc bed (2.1x 2.1 x 0.20)= 0.88 dsr 2021-4.1.5 10 testing and commissioning of scour arrangement on full pressure and as per satisfaction of engineer in-charge.