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: (a) Tack weld

CHAPTER - VIII SUPPLYING OF MATERIALS E. E. R. W. MS BLACK PIPE 8.15 Sypply of E.R.W.M.S. (Electrical Resistant Welded M.S.) black pipe of ISI Mark as per relevent IS Specification ( heavy quality ) having wall thickness not less than 5 mm. [N.B.: The rates for supply of TATA Make pipe will be arrived at by adding 20% of the corresponding rates ] Diameter in mm (Internal)150

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) ]

CHAPTER - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.5 Cutting & picking up existing metalled black top portion of road surface to an average depth of 300 mm by using Jack hammer with all necessary tool and plant including reening the serviceable materials & stacking within a lead of 75 mtr. all complete as per direction of the Engineer-in- Charge.

CHAPTER - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.13 Hire & labour charges for diesel generating set for lighting including fuel,300M wire, 11 points with 200 Watt bulb with post for hanging & maintaining the same for day & night for the period.

(C) III: Labour Rate for Sanitary and Plumbing 5.Plumbing Helper NOTE:The above rates are exclusive of 10 % profit and 1% Labour welfare cess, which would be admissible to the Contractor, but contractual percentage will not be applicable on the above rates. Page 113 of 124

CHAPTER - VIII SUPPLYING OF MATERIALS HIRE CHARGES OF MACHINERIES 8.29Hire charges for engaging Air Compressor machine with minimum pressure capacity of 5.0 Kg/sq.cm arrangement including all necessary equipments and operating staff, carriage, fuel, Tools and plants all complete for cutting Road / hard crust cutting with pneumatic hammer at desired point in water supply works as per direction of EIC . a) With Pneumatic hammers For minimum engagement of 8 hrs. In a day

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials  2.1 C.I. / D.I. Pipe & Specials 2.3.3 Field welding of M.S. plate by means of electric arc welding as per releventIS specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel, lubricant, and allother 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 - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.12 Supplying sign-board made of 25 mm thick sal plank with frame on all side of sal batten 50 mm x 32 mm with nailed on post 3.15m x 100mm x100mm and fitting fixing such with digging holes of dia 300 mm and depth 750 mm in all sorts of soil and repacking and consolidating the gap aroundthe post with cement concrete (1 : 3 : 6) painting 2 coats including cost of nails, bolts and nuts etc. complete in all respect as per direction of theEngineer-in-charge. Payment of concrete and painting to be made separately.(ii) 900 mm. x 600 mm. size of board.

CHAPTER - VIII SUPPLYING OF MATERIALS 8.25 Carriage of CI / Dl / ERWMS / AC pipes including loading into truck at the lifting point, unloading at destination and stacking properly in godown or yard etc. as directed (Including carriage by head load upto 30 metres at each of the two points. The rate covers all the above operations, actual transport all complete.diameter in mm 125 carriage....carriage....diameter in mm 300 upto 5km

CHAPTER - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.8 Hire and labour charges for 75 mm dia bamboo railing on Jhau/Eucalyptusor other approved timber\bamboo posts 1.4 m above G.L and 0.60 m below G.L including tying strongly with coir ropes and boring holes for posts in any soil/ concrete surface/Bituminious surface packing the sides etc including cost of carriage of all materials and labour complete including cost of restoration to the damages of the ground to its original condition as per direction of Engineer in charge after removing the barricade.(Cost of restoration would be paid seperately. a) 75mm. dia bamboo railing & 125mm. Dia Jhau/Eucalyptus/other approved timber posts @ 1.60m apart (ii) Railing with 3 rows.

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]

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 ( C ) Brickworks,Concrete Works etc A. BRICK WORKS 2. Labour for laying single brick flat soling including ramming and dressing bed to proper level and filling joints with powdered earth.

CHAPTER - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.14 Signalling arrangement at both sides of site to avoid any accident during working period 4 nos. red flags during sunlight at 4 corners and 2 nos light (lamp) in other than sunlight.

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 ] a) Diameter from 450 mm & upto 600 mm.ii) 10 mm thick plate

CHAPTER - VIII SUPPLYING OF MATERIALS sF. MS FLANGE 8.17 Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness 12mm NB Diameter in mm 150

CHAPTER - VII MISCELLANEOUS ITEMS Supplying, fitting and fixing of C.I. Mechanical Compression flexible Collar Couplings suitable for C.I. Spun Pipes (as per IS: 1536) and D. I. Pipes (as per IS: 8329) complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type - 4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated). The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. Diameter in mm 150

CHAPTER - VIII SUPPLYING OF MATERIALS 8.3 All types of Ductile Iron (D.I) Specials (viz. Bend. Tee. Taper. Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing)c) Tail Piece 100 mm to 300mm dia.

CHAPTER - VIII SUPPLYING OF MATERIALS 8.6Cost iron double flanged manually operated sluice valves generally conforming to IS 14846 : 2000, having four faces and spindle nut of gunmetal. inside screw non- rising type quality gunmetal /AISI 410 spindle: seat tested to 10kg/CM... and body tested to 15kg/CM..., flanges flat faced and drilled to 1.S.: 1538 : 1993. Painted black all over with asphalt base paint. Valves tested by closed end method. NB Diameter in mm 150

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 10. Sluice valve chamber with C.I. heavy cover with locking arrangement, (weight not less than 25 kg) (size of chamber 450 mm X 600 mm inside upto 900 mm depth) 250 mm thick cement brick walls (6:1), 150 mm thick cement concrete (6:3:1) bed with stone chips, 20 mm thick cement plaster (6:1) for inside wall and 15 mm thick cement plaster (4:1) for outer walls including rounding corners.

CHAPTER - VIII SUPPLYING OF MATERIALS 8.3 All types of Ductile Iron (D.I) Specials (viz. Bend. Tee. Taper. Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing) a) All Socket Tee 100 mm to 300mm dia.

CHAPTER - VIII SUPPLYING OF MATERIALS 8.3 All types of Ductile Iron (D.I) Specials (viz. Bend. Tee. Taper. Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing) b) Doubled Socketed Bend 100 mm to 300mm dia

CHAPTER - VII MISCELLANEOUS ITEMS Manufacturing and. supplying M.S. Saddle with 10mm thick M.S. pipe, 25mm thick M.S. Flange including fabrication true to size with M.S. clamp, drilling hole on angle/ flat, gas cutting and welding etc. complete. 18 in/6in dia

Sub Total

GST 18%

CESS 1%