Tender For Access To Operation Of Installed 900Mm Dia Butterfly Valve At Delivery Line Of Cdef Pump At Tps. , Chapter - Vii Miscellaneous Items Dewatering By Pumps Including All Leads, Lifts And Making All Arrangements Of Disposal. Where Continuous F, kolkata-West Bengal

Access To Operation Of Installed 900Mm Dia Butterfly Valve At Delivery Line Of Cdef Pump At Tps. , 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 (E) Roofing, Sheet Walling &Waterproof Treatment . A. Roofing & Sheetwalling 14. Supplying, Fitting & Fixing Zn-Al Alloy (55% Al & 45% Zn) Coating Of 150 Grams Per Sq. Metre (Followed By Colour Coated On Both Side) Steel Sheet Work Having Minimum Yield Strength Of 550 Mpa Of Trapizoidal Profile Of Approved Make (Excluding The Supporting Frame Work) Fitted And Fixed With 55 Mm & 25 Mm Self Tapping Screw, Epdm Washer 16 Mm Dia & 3 Mm Th. Washer Etc. Complete With 150 Mm End Lap And One Corrugation Minimum Side Lap. (Payment To Be Made On Area Of Finished Work). (I) In Roof:- A) With 0.5 Mm Thick Sheet , Santras. , Chequered Plate 10Mm Thick Make : Sail/Tata/Jindal, B) Above 4Mm Thickness , Building Works (F) Structural Steel Works, Grills, Gates Etc. A. Original Works 3. Cutting To Requisite Length Or Shape Departmental R.S. Joists,Channels, Angles, Tees, Plates Etc. (Payment To Be Made On Area Of Cut Surface) , 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. , 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 , Supply & Delivery Of Universal Joint Of Shaft Dia. 25Mm To 35Mm. , Fitting Fixing Of The Extension Shaft With Proper Alingment On Valve Platform , (Vi) Structural Steel (Ms) Angles, Joist, Channels, Flats Etc. (E 250 Conforms To Is: 2062&808) (A) Upto 200Mm Size. , 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) , 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] , 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)100 , Sub Total , Gst 18% , L.W.Cess @1%

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