Kolkata Municipal Corporation Tender

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials  2.1 C.I. / D.I. Pipe & Specials 2.3 M.S. Pipes 2.3.1 Gas cutting of M.S. pipes and/or M.S. plates of different thickness all complete as per specification and direction of the Engineer-in- Charge. Thikness in mm 5mm to 8mm thick plate

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. B. REPAIRING 2. Welding in M.S. structural work with gas or electric: (b) Continuous weld.

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. A. ORIGINAL WORKS 1. M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length,fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. III) For built up sections / srtuctural members of specified sections weighing not less than 22.5 Kg./m

CHAPTER - VII MISCELLANEOUS ITEMS Coating of 'Food Gr. Epoxy' Resin of thickness not less than 240 micron with a low-viscosity, crystallization-resistant food grade epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommended proportion for use on metal, concrete and wood surface to protect from corrosion, give anti-fungal properties ,as per guide line of FDA and USDA as well as damage from chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [ This item will be operated on prior permission from the concerned SE/Dy Chief Engineer]

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 2. Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories,specials viz.socket, bend, tee, union, cross, elbow, nipple, short piece etc.including cost of all materials,jointing materials ,cutting pipes,making threads,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.Payment for painting will be made seperately) (i) 15 mm dia. medium quality

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials  2.1 C.I. / D.I. Pipe & Specials 2.3.6 Fabricating M.S. Specials of different diameter in shop out of 8 mm to 12 mm thick M.S plates supplied depart-mentally, cutting the plates to exact size & shape by gas cutting device and/or by adopting any other approved type of mechanical means, bending the same in true curvature by template and rolling machine of approved design including proper marking, levelling joints followed by electric arc welding - longitudinal and circumferential, as necessary, using standard electrodes as per I.S.specification including edge preparation, electricity charges and hydraulic testing of the fabricatedpiece all complete as per specification and direction of the Engineer-in-Charge.[ The Engineer-in-Charge shall approve the electrodes for are welding before use. Fabrication of M.S. flange to form M.S Flanged Tail Piece shall not be considered as M.S. special ]i) 1300 mm diameter i) 10mm thick

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials  2.1 C.I. / D.I. Pipe & Specials 2.1.6 Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 1200mm dia.

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials  2.1 C.I. / D.I. Pipe & Specials 2.1.6 Flange joint to C.l./D.l/MS. pipes and specials including supply of rubber gasket. nuts. bolts. washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-Charge. Diameter in mm 750mm dia.

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials  2.1 C.I. / D.I. Pipe & Specials 2.3.9 LowerIng M.S pipes & specials in trench up to a depth of 3.00 metre below G.L, laying and jointing the same inside the trench / over ground by means of electric arc welding using standard electrodes as per l.S. specification, all complete as per direction of the Engineer-in-Charge. [The Engineer-in-Charge shall approve the electrodes for arc welding before use. (For laying over ground. the rates shall be reduced by 10% and that is inclusive of holding arrangements) ] 1200mm

CHAPTER - VII MISCELLANEOUS ITEMS Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;- In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor]

CHAPTER - VIII SUPPLYING OF MATERIALS HIRE CHARGES OF MACHINERIES 8.28Hire charges of lighting generator of capacity 5KVA including fuel, mobil, operator, carriage etc. including all complete for water supply works. For minimum engagement of 8 hrs. In a day

CHAPTER - VIII SUPPLYING OF MATERIALS HIRE CHARGES OF MACHINERIES 8.28Hire charges of lighting generator of capacity 5KVA including fuel, mobil, operator, carriage etc. including all complete for water supply works. For beyond 8hrs. of working

Hire charges for Supply and Fixing of metal halide flood light fittings for 400Watt metal halide lamp /200 Watt LED FLOOD light fittings with all accessories as required and wiring with proper size PVC wire including mains, sub main, switches ETC AND maintaining the same for: 1st night

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. B. REPAIRING 2. Welding in M.S. structural work with gas or electric: (a) Tack weld

Hiring charge of 1 no. 125KVA 3 Phase silent DG set including supply & fixing of 400 Amp 4 pole changeover switch and laying of required capacity and lenght of cable with connection as reqd. (on temporary basis) and engaged one generator operator round the clock to run the generator as and when required(Including Fuel).

MATERIALS AND LABOUR  1. Building (B) Labour Rates Per Diem : 17)Fitter Mechanic. Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

Sub Total

GST 18%

CESS 1%