WS/SPBPS/2026-27/02

CHAPTER - VIII SUPPLYING OF MATERIALS 8.11Double flanged double eccentric design manually operated ductile iron butterfly valve having body disc, and end cover in graded ductile iron to 65, synthetic rubber face ring secured on disc by a SS/AISI 304 retaining ring with stainless steel screws the rubbering sitting on a corres-ponding integral monel 60 seat in body stub shaft of AISI 431 riding in PTFE lined stainless steel bearing, valves suitable for maximum working pressure of 10 kg/cm... and body tested 15 kg/cm..., flanges flat faced and drilled to I.S 1538: 1993.Diameter in mm 450

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 - 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]450mm dia.

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.

CHAPTER - VIII SUPPLYING OF MATERIALS 8.13 Ductile iron Single Chamber type air release valve having small orifice elastic ball resting on gun metal orifice nipple large orifice vulcanite ball seating on moduled seat ring, valve with built-in-Kinetic features, isolating sluice valve mounted in horizontal position and operated by a metre wheel gearing:inlet faced and drilled to IS 1538 Table 4 & 6. valve suitable for maximum working pressure of 10 kg/CM2 Diameter in mm 150

CHAPTER - II LAYING & JOINTING PIPES, SPECIALS ETC.2.1 C.I. / D.I. Pipe & Specials 2.1 C.I. / D.I. Pipe & Specials 2.4Valves 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]150mm dia.

S&F WORM SHAFT AFTER REPLACING THE OLD DEFECTIVE ONE. ALL MATERIAL SHOULD BE AS PER THE EXISTING ONE I.E. AS PER SAMPLE. RATE ANALYSIS APPROVED BY DG(WS) ON DATED 30/04/2019.

MANUFACTURING & SUPPLY AS PER SAMPLE OF WORM GEAR OF PHOSPHOR BRONZE FOR ACTUATOR. AS PER SAMPLE. RATE ANALYSIS APPROVED BY DG(WS) ON DATED 30/04/2019.

MANUFACTURING & SUPPLY AS PER SAMPLE OF ACTUATOR COMPONENTS EN-24 STEEL MAIN DRIVING SHAFT (INCLUDING FITTING, FIXING). AS PER SAMPLE. RATE ANALYSIS APPROVED BY DG(WS) ON DATED 30/04/2019

SUPPLY & FIXING OIL SEAL FOR ACTUATOR AFTER REMOVING THE OLDER ONE & NECESSARY CLEANING AS PER DIRECTION OF EIC. AS PER SAMPLE. RATE ANALYSIS APPROVED BY DG(WS) ON DATED 30/04/2019.