WS/CHETLABPS/26-27/05

BUTTERFLY VALVE DUCTILE IRON 400 MM DIAMETER, PN 1.6: THE BUTTERFLY VALVE SHALL GENERALLY CONFIRM TO BS EN 593, WITH LENGTH OVER FLANGES AS PER DOUBLE FLANGED SHORT (BS EN 593) BS EN 558 /ISO 5752 BASIC SERIES 12) BODY / DISC DUCTILE IRON GGG 40/IS:1865 GR. 400/15, STUB SHAFTS SS AISI 451, BEARINGS STEEL BACKED TEFLON, BODY SEAT INTEGRAL MONEL 60 NI CU ALLOY WELD DEPOSITED, DISC SEAL EPDM, DISC SEAL RETAINER SS 304/DUCTILE IRON, SHAFT SEAL HALPRENE, INTERNAL FASTNERS SS, FLANGES TO BE DRILLING AS PER IS: 1538 TABLE 4 & 6 PN 1.0/ 1.6 DJB ITEM CODE 4.27.8, PAGE 171, SOR E&M, DELHI JAL BOARD

DISMANTLING JOINTS 400 MM NOMINAL DIA. PROVIDING AND FIXING MILD STEEL DISMANTLING JOINTS OF PRESSURE RATING PN 1.6 WITH BOTH SIDE FLANGE END SUITABLE FOR INSTALLATION IN BETWEEN FLANGE END PIPES. ITEM NO. 51.95.9, PAGE NO. 420, SOR E&M, DELHI JAL BOARD.

CHAPTER - III TAKING OUT PIPES AND SPECIALS Cast Iron / Ductile Iron Pipes and Specials M.S. Pipes and Specials Taking out sluice valve by unscrewing nuts and bolts carefully and stacking the same within a lead of 30M including bailing out water from the Sluicevalve chamber due to normal seepage. if any. all complete as per direction of the Engineer-in-Charge. (Dismantling of Sluice Value Chcmber, where necessary. shall be paid extra as per relevant items of Schedule of Rates) Diameter in mm 400/450

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 400mm 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]400mm dia.

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.

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]

RE-INSTALL THE COMPLETE ACTUATOR ON THE VALVE GEAR BOX OF B/F VALVE, RE-CONNECTION OF POWER LINE AND CONTROL CIRCUIT WITH PROPER CABLE GLANDS AND EARTHING CONNECTION AND COMPLETE SWITCH SETTING BOTH OPEN & CLOSE WITH PROPOER SYNCHRONIZATION OF ELECTRICAL OPERATION FROM OPERATING PANEL/ CONTROL DESK ETC. COMPLETE AND COMMISSIONING AS PER DIRECTION OF EIC. RATE ANALYSIS IS APPROVED BY DG WS 02/01/2019

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.

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