bids are invited for provision of 03 over head water tank to ghokuto vill (dab), dist- dimapur, nagaland. - (a)earth work in excavation by mechanical means (hydrolic excavator) manual means in foundation trenches or drains (not exeeding 1.5m in width or 10 sq mmon plan) . 0.378 cum(b)providing and laying in position cement concrete of specified grade - all works up to plinth level 1:4:8. 0.972 cum(c)steel work welded in built up section/framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primerusing structural steel etc, as required. in stringers, treads, landings etc, of stair casesincluding use of chequered plate wherever required, all complete. (i)post iron 65x65x6 mm, l = 2.70+0.60 = 3.30. 76.56 kg (ii)horizontal & triangular l iron 45x45x6 mm, horizontal l = 1.50x4+1.35x4x2+1.2x(4+3) = 25.20 triangular l = 1.75x4+1.62 x4+1.62x4 = 19.96 mt. 180.64 kg (iii)ms plate gusset plate 6 mm thck. 24.434 kg total : 676.500 kg(d)ditto but in gratings frames, guard bar, ladder, ralling brackets, gates and similar works. 209.47 kg(e)finishing walls with deluxe multi surface paint system with interiors and exteriors : painting steel work with deluxe multi surface paint to give an even shade. two or more coat applied @ 0.9 lts/10 sqm over an under coat of primer applied @ 0.80 ltr/10 sqm. (i)post l iron 65x65x6 mm, w=0.065x4+0.006x2=0.272mt. 2.94 sqm (ii)horizontal and triangular iron 65x65x6mm l=25.20+19.96 =45.16, w=0.045x4+0.006x2=0.192mt. 2.94sqm (iii)ms plate gusset plate 6mm thick. 5.88sqm (iv)ms pate 6mm thickin top of staging. 2.88sqm total : 44.79 sqm(f)providing and placing on terrace (at all floor levels) plythene water storage tank, is : 1270 i marked, with cover and suitable locking arrangement and making necessary hoes for inlet, outlet and over flow pipes but without fitting and base supported for tanks. 2000 per ltr 15 mtrnote : technical specification already mentioned in pdf file. total quantity : 1