KMC/WS/C/SEC-J/58/05/25-26

CHAPTER - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.4 Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumping main, washout line raking every detection against damage of S.W. pipe line electrical cable etc. as underground obstruction including 37.5 mm timber shuttering, earth cutting, dewatering, barricading and back filling etc. as per directionj of E-I-C

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. 1.1 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.

CHAPTER - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.2 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 based on the basis of measurement of finished quantity of work.(a) With earth obtained from excavation of foundation

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.1.2 Lowering any type of Ductile Iron (DI) pipes & specials and laying along trench at any depth as per speclfication and direction of the Engineer-incharge, ( laying over ground. the rates shall be, reduced by 10% and the rates so reduced shall be inclusive of cost of all sorts of holding arrangements]Diameter in mm 100mm dia.

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.1.7 Cutting of C.l/D.I pipes for fitting with pipes and-or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-in-Charge.D iameter in mm 100mm dia.

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.1.8 Chamfering the spigot end of C.l./D,l. pipes for fitting with the socket of C.I./D.I pipes and/or specials in tyton jointed water mains or other wise using electric grinder as per specification and direction of the Engineer-in-Charge. Diameter in mm 100mm dia.

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS (b) Repair Works 18. Drilling and tapping C.I. main. (i) Upto 15 mm

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS (b) Repair Works 19. Plugging up C.I. main with necessary materials & Labour Complete

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS (b) Repair Works 18. Drilling and tapping C.I. main. (ii) Above 15 mm upto 25 mm

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 - 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 - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.1.5 Rubber gasket joints to C.l./D.l. pipes and specials all complete to makesthe joint water tight as required hydraulic pressure as per specification and direction of the Engineer-in-Charge.[Cost of Rubber. gasket of approved make induding supply to any pointwithin the Kolkata Municipal Area shall be paid separately.}Diameter in mm 100mm 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 100

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]50mm dia.

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

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) (ii) 20 mm dia. medium quality

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 19(II) Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted 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 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.) PVC Pipes (Dia) (a)15 mm

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) (iii) 25 mm dia. medium quality

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 19(II) Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted 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 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.) PVC Pipes (Dia) (b)20 mm

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(16.)Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(iv) 100 mm

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(16.)Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(iii) 150 mm

BUILDING WORKS ( C ) Brickworks,Concrete Works etc A. BRICK WORKS 7. Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

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 100

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 - I [ SUPPLEMENTARY ] EXCAVATION, SHORING, BAMBOO PILING, FENCING & SIGN BOARD, LIGHTING & SIGNALING AND SITE CLEANING ETC. 1.10 Hire and labour charges for coir rope fencing 25 mm dia rope single on 120 mm dia bamboo posts 1.40 m above G.L and 600 mm below G.L, 1.50 m apart including digging holes complete.

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 - VI DISINFECTION OF PIPELINE Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/l within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in- Charge.[After successful completion of the process, disposal of water and bacteriological testing of sample of flushed out water from the mains should be made at no extra cost] Diameter in mm 100

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 7. Supplying, fitting and fixing bib cock or stop cock. (f) (i) Polythene Bib Cock / Stop Cock (HD) with metal inlet (EMCO / ATLAS or equivalent) 15 mm

PLUMBING WORKS (A)-(I) FERRULE AND FERRULE CONNECTION (b) REPAIR WORKS 3. Dismantling existing ferrule with fittings and refixing same after cleaning.

CHAPTER - III TAKING OUT PIPES AND SPECIALS Cast Iron / Ductile Iron Pipes and Specials M.S. Pipes and Specials Shifting house connection or stand post connection from existing main to new main after excavation through any kind of soil and road materials up to required depth. dismantling existing ferrule with all fittings. plugging hole of old main with G.I. plug. drilling and tapping the new main. refixing the ferrule on the new main with serviceable old G.I pipes and other specials (New G.l. pipes and other specials. if required to be installed shall be paid extra) and back filling the trench with excavated materials all complete as per specification and direction of the Engineer- in-Charge.

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 100 upto 5km

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