Kolkata Municipal Corporation Tender

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.)

Supplying, fitting and fixing in position fibre glass panes of approved quality with resin, nail, clip etc. as per IS:12866-1989. (In all floors for internal wall & upto 6 m height for external wall) (e) 4.0 mm thick (6.72 Kg/Sq.m)

Supplying profiles of required section made of Aluminium Alloy Extrusions conforming to IS: 732-1983 and IS: 1285- 1975; Annodized (with required film thickness and specified colour / natural) matt finished conforming to IS: 1868-1983 for fabrication of composit door, sliding & casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer - In-Charge. (Payment will be made on finished length of the work).(A) In 10-12 Micron thickness Annodizing film. I) Natural white. g) Fixed glazing. i) Top, bottom and side member.

Labour charge for fabrication and installation of composite door, window, partitions made from annodized extruded alloy aluminium sections for the following units:- (A) Glazed aluminium sliding windows made of extruded and annodized alloy aluminium sectios, fabrications, including cutting to proper shape and size, drilling and aligning of window shutter frame fitted with in built locking arrangements, sliding rollers and other necessary fittings, fixture, adhesives and joineries along with extruded neoprine or EPDM gasketing in between window frame and masonry work (walls,column, beam.lintels etc.) as well as between glass and shutter frame for fixing glass and Polysulphide sealant and in between shutter and window frame where necessary including cutting to requisite size and fixing glass as per drawing, specification and direction of EIC. The rate includes the hire charge of all tools and plants, including all incidental charges, adhesive, joineries such as screw, cleat angle etc. but excluding the cost of extruded aluminium sections, glass, neoprene /EPDM gasket, locking arrangement and rollers. iv ) Fixed glazing.Note: Add extra for each Addl. Floor over the rate of item 2A, 2B, 2C and 2D except 2A(vi) i) Upto 4th Floor Rs.12.00 per Sq.m ii) Above 4th Floor Rs.16.00 per Sq.m

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]

Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly a) 3.90 metre height

Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly b) Extra for additional 3.6 height or part thereof

Estimated amount

Add: 18%GST

1% LWC