item rate contract for maintenance of ci & gi pipe lines for ensuring uninterrupted water supply to estate area of o.f.bhandara. - m & l g.i. pipe of medium grade with all fittings ( tee, nipple, socket, union, reducer, elbow of any dimension medium quality as per is 1239 part-ii ) laid in trecnces ( as per is 1239, part-i ) 15 mm 2 m & l g.i. pipe of medium grade with all fittings ( tee, nipple, socket, union, reducer, elbow of any dimension medium quality as per is 1239 part-ii ) laid in trecnces ( as per is 1239, part-i ) 20 mm 3 m & l g.i. pipe of medium grade with all fittings ( tee, nipple, socket, union, reducer, elbow of any dimension medium quality as per is 1239 part-ii ) laid in trecnces ( as per is 1239, part-i ) 25 mm 4 m & l g.i. pipe of medium grade with all fittings ( tee, nipple, socket, union, reducer, elbow of any dimension medium quality as per is 1239 part-ii ) laid in trecnces ( as per is 1239, part-i ) 40 mm 5 m & l g.i. pipe of medium grade with all fittings ( tee, nipple, socket, union, reducer, elbow of any dimension medium quality as per is 1239 part-ii ) laid in trecnces ( as per is 1239, part-i ) 50 mm 6 labour only cutting existing steel tubing ( g.i.pipe ) for alteration or addition 15mm. 7 labour only cutting existing steel tubing ( g.i.pipe ) for alteration or addition 20mm 8 labour only cutting existing steel tubing ( g.i.pipe ) for alteration or addition 25mm. 9 labour only cutting existing steel tubing ( g.i.pipe ) for alteration or addition 40mm. 10 labour only cutting existing steel tubing ( g.i.pipe ) for alteration or addition 50mm. 11 labour only screwing existing steel tubing ( g.i.pipe ) for alteration or addition 15mm. 12 labour only screwing existing steel tubing ( g.i.pipe ) for alteration or addition 20mm. 13 labour only screwing existing steel tubing ( g.i.pipe ) for alteration or addition 25mm. 14 labour only screwing existing steel tubing ( g.i.pipe ) for alteration or addition 40mm. 15 labour only screwing existing steel tubing ( g.i.pipe ) for alteration or addition 50mm. 16 m&l gun metal gate with iron wheel head screwed both ends for iron pipe and fixed, 15mm. 17 m&l gun metal gate with iron wheel head screwed both ends for iron pipe and fixed, 20mm. 18 m&l gun metal gate with iron wheel head screwed both ends for iron pipe and fixed, 25mm. 19 m&l gun metal gate with iron wheel head screwed both ends for iron pipe and fixed, 40mm. 20 m&l gun metal gate with iron wheel head screwed both ends for iron pipe and fixed, 50mm. 21 m&l bib tap standard for iron pipe fixed. ( bib cock brass size ½”, is 781:1967 wt.approx. 400gms. 22 labour only cutting c.i. pipe and reducing to required length before laying each 80mm. 23 labour only cutting c.i. pipe and reducing to required length before laying each 100mm. 24 labour only cutting c.i. pipe and reducing to required length before laying each 150mm. 25 labour only cutting c.i. pipe and reducing to required length before laying each 200mm. 26 labour only cutting c.i. pipe and reducing to required length before laying each 250mm. 27 labour only cutting c.i. pipe and reducing to required length before laying each 300mm. 28 m&l cast iron pipes with flanged ends, centrifugally cast class a, in any length laid in trenches, 80 mm. ( as per is 1536: 1993 ) 29 m&l cast iron pipes with flanged ends, centrifugally cast class a, in any length laid in trenches, 100 mm. ( as per is 1536: 1993 ) 30 m&l cast iron pipes with flanged ends, centrifugally cast class a, in any length laid in trenches, 150 mm. ( as per is 1536: 1993 ) 31 m&l cast iron pipes with flanged ends, centrifugally cast class a, in any length laid in trenches, 200 mm. ( as per is 1536: 1993 ) 32 m&l cast iron pipes with flanged ends, centrifugally cast class a, in any length laid in trenches, 250 mm. ( as per is 1536: 1993 ) 33 m&l cast iron pipes with flanged ends, centrifugally cast class a, in any length laid in trenches, 300 mm. ( as per is 1536: 1993 ) 34 m&l bends, taper ( any type ) , teepiece ( single & double branch ) , y junction, any angle / radius and straight connecting pieces but all end flanged up to 150mm 35 m&l bends, taper ( any type ) , teepiece ( single & double branch ) , y junction, any angle / radius and straight connecting pieces but all end flanged 200mm to 350mm. 36 m&l flanged pipes & fittings joint with rubber gasket, including of bolts, nuts & washers, 80mm. 37 m&l flanged pipes & fittings joint with rubber gasket100mm. 38 m&l flanged pipes & fittings joint with rubber gasket, including of bolts, nuts & washers, 150mm. 39 m&l flanged pipes & fittings joint with rubber gasket, including of bolts, nuts & washers, 200mm. 40 m&l flanged pipes & fittings joint with rubber gasket, including of bolts, nuts & washers, 250mm. 41 m&l flanged pipes & fittings joint with rubber gasket , including of bolts, nuts & washers, 300mm 42 m&l c.i.mechanical compression collar couplings 80mm, suitable for jointing with is- 13382:2004 43 m&l c.i.mechanical compression collar couplings 100mm, suitable for jointing with is- 13382:2004 44 m&l c.i.mechanical compression collar couplings 150mm, suitable for jointing with is- 13382:2004 45 m&l c.i.mechanical compression collar couplings 200mm, suitable for jointing with is- 13382:2004 46 m&l c.i.mechanical compression collar couplings 250mm, suitable for jointing with is- 13382:2004 47 m&l c.i.mechanical compression collar couplings 300mm, suitable for jointing with is- 13382:2004 48 m&l c.i.mechanical compression flanged socket tailpieces ( adapter ) 80mm, suitable for jointing with is- 13382:2004 49 m&l c.i.mechanical compression flanged socket tailpieces ( adapter ) 100mm, suitable for jointing with is- 13382:2004 50 m&l c.i.mechanical compression flanged socket tailpieces ( adapter ) 150mm, suitable for jointing with is- 13382:2004 51 m&l c.i.mechanical compression flanged socket tailpieces ( adapter ) 200mm, suitable for jointing with is- 13382:2004 52 m&l c.i.mechanical compression flanged socket tailpieces ( adapter ) 250mm, suitable for jointing with is- 13382:2004 53 m&l c.i.mechanical compression flanged socket tailpieces ( adapter ) 300mm, suitable for jointing with is- 13382:2004 54 labour only excavation in trenches, not exceeding 1.5m depth and 1.5m wide soft loose soil. 55 labour only excavation in trenches, not exceeding 1.5m depth and 1.5m wide hard dense soil. 56 labour only excavation in trenches, not exceeding 1.5m depth and 1.5m wide mud . 57 labour only returning filling including spreading and levelling soft hard dense soil. 58 labour only returning filling including spreading and levelling soft loose soil. 59 labour only demolition & dismantling of cement concrete in any position. 60 m & l for cement concrete type b2, 1:2:4 ( 40mm graded aggregate ) in foundation, filling and mass concrete etc. complete.