Kolkata Municipal Corporation Tender

Renewing worn out putty of glass panes :(a) Panes not exceeding 0.2 Sq.m

Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to IS 1038-1975 and manufactured from rolled steel sections conforming to IS 7452-1974 with non-friction projecting type, box type hinges, glazing clips, lugs locking bracket, handle plate etc, including hoisting in position, straightening if required, fixing lugs in cement concrete (1:2:4) with stone chips 20 mm down cutting holes and mending good damages to match with existing surface complete in all respect excluding glazing. (Add extra @ 1.2 % for each additional floors upto 4th floor and @1.5% for each addl. Floor above 4th floor.) In Ground floor Flash butt welded windows and ventilators (No shop priming will be allowed to facilitate inspection of workmanship) Without integrated grills. (c ) Extra over item no. 33 (a) and (b) for, (v) Two point nose aluminium handle including fitting and fixing. Note:- For windows and ventilators joints welded by arc welding,the above rates at (a) and (b) shall be reduced by 10%. Mode of measurement. (The weight of grill will be determined (theoritically) from section of the grills actually used excluding the rolled steel section of the window / vent. The weight of the grill should be calculated at 7.85gm./ cu.cm.)

Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to IS 1038-1975 and manufactured from rolled steel sections conforming to IS 7452-1974 with non-friction projecting type, box type hinges, glazing clips, lugs locking bracket, handle plate etc, including hoisting in position, straightening if required, fixing lugs in cement concrete (1:2:4) with stone chips 20 mm down cutting holes and mending good damages to match with existing surface complete in all respect excluding glazing. (Add extra @ 1.2 % for each additional floors upto 4th floor and @1.5% for each addl. Floor above 4th floor.) In Ground floorFlash butt welded windows and ventilators (No shop priming will be allowed to facilitate inspection of workmanship)Without integrated grills. (c ) Extra over item no. 33 (a) and (b) for, (vii) Aluminium peg stay 300 mm long including fitting and fixing Note:- For windows and ventilators joints welded by arc welding,the above rates at (a) and (b) shall be reduced by 10%. Mode of measurement. (The weight of grill will be determined (theoritically) from section ofthe grills actually used excluding the rolled steel section of the window / vent. The weight of the grill should be calculated at 7.85gm./ cu.cm.)

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]

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 BS5493 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]

Estimated amount

Add: 18%GST

1% LWC