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

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.3.2 Shop welding of M.S plates for fabrication of different diameter of M.S. pipes and specials by means of electric arc welding as per relevant I.S. specification using standard electrodes including edge preparation and charges for deployment of all types of tools and plants with electricity allcomplete as per specification and direction of the Engineer-in-Charge. [The Engineer-in-Charge shall approve the electrode for arc welding before use) 8mm

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.3.4Field welding of machined ends of pieces of M.S pipes and specials forlaying the same inside trench/over ground by means of electric arc welding as per relevant ISspecification using standard electrodes including edgepreparation and charges of deployment of electric generator set with fuel, lubricant, and all other tools and plants all complete as per specification and direction of Engineer-in-Charge. [ Engineer-in-Charge shall approve the electrodes for arc welding before use ]Throat thickness in mm 8mm

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 ]

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.3.7Supplying and fabricating 20 mm to 32mm thick (finished thickness) M.S flange. properly ribbed, one face machined, including drilling holes as perstandard table, fitting and fixing the same with M.S. pipe by electric arc welding as per relevant I.S. specification using standard electrodes and direction of the Engineer-in-Charge. [ The Engineer-in-Charge shall approve the electrodes for arc welding before use] 600mm dia

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.4Valves 2.4.1 Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane(for diameter above 250 mm) by providing temporary support,as required,gaskets,nuts& bolts etc.all cornplete as per specification and direction of the Engineer-in-Charge.[The rate Includes cost of flange joints]600mm dia.

BUILDING WORKS ( C ) BRICKWORKS, CONCRETE WORKS Etc. A. BRICK WORKS 1. Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. A. ORIGINAL WORKS 7. Supplying, fitting, fixing bolts with nuts, washer (i) 10 to 16 mm dia: (a) Length up to 75 mm

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. A. ORIGINAL WORKS 7. Supplying, fitting, fixing bolts with nuts, washer (i) 10 to 16 mm dia: (b) Length above 75 mm and upto 150 mm.

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. A. ORIGINAL WORKS 4. Drilling holes of requisite diameter in R.S. joists channels, tees.Plates etc. (a) (ii) Extra for drilling beyond depth of 10mm

CHAPTER - VII MISCELLANEOUS ITEMS Coating of 'Epoxy' Resin of thickness not less than 160 micron with a lowviscosity,crystallization-resistant 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 as well as damagefrom 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]

BUILDING WORKS ( C ) Brickworks,Concrete Works etc B. CONCRETE WORKS 4. Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety

BUILDING WORKS (A) EARTH WORK,ANTITERMITE TREATMENT 2. Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

BUILDING WORKS (A) EARTH WORK,ANTITERMITE TREATMENT 3. Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc.layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.

CHAPTER - VIII SUPPLYING OF MATERIALS 8.4Supply of Flat Rubber Gasket of EPDM Quality with ISI Mark to IS: 5382/1985 Type-4 suitable for flange joint, drilled to IS: 1538 (Table ... VI). The gasket should have dual thickness 3/6mm with 6 mm thickness at the sealing cross section.600mm dia

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.1.4 Lead jointing to C.I pipes and specials excluding cost of lead and spun yarn all complete to make the joint watertight at required hydraulic pressure as per specification and direction of the Engineer-in-charge,[Lead shall be supplied departmentally to the Agency at free of cost as per availability]Diameter in mm 600mm dia.

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 - VII MISCELLANEOUS ITEMS Cleaning distribution pipelines by opening of valves of any size including string. stirrups and draining out of the accumulated water there of using portable pump if necessary.

CHAPTER - VII MISCELLANEOUS ITEMS Repair of Air valve by supplying ebonite and- rubber ball. gasket. nuts and bolts with washers and labour all complete Diameter in mm 80

MATERIALS AND LABOUR 1. Building (B) Labour Rates Per Diem : 3)Mazdoor (Male). 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.

CHAPTER - VII MISCELLANEOUS ITEMS Repairing of leakage in socket-spigot type PSC pipe-joint by providing spun yarn gasketing in layer all round with cement-soda mortar covered over the packed gasket by providing materials and labours as per specefication and direction of EIC all complete. Diameter in mm 600

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. I) For structural members of specified sections weighing less than 22.5 Kg./m

Estimated amount

Add: 9%SGST

Add: 9%CGST

1% LWC