External repairs and painting work of Antenna room and old Animal House at TIFR

PART A CIVIL WORKS

Providing, erecting and dismantling (after completion of work) double bamboo scaffold with verticals inner as well outer faces and horizontals and braces as directed by the Engineer-in-charge. The height of the scaffold to be erected would be maximum 35' feet. The scaffolding should have a provision for continuous cantilever working platform constructed by aides to be strutted diagonally to prevent from buckling under the weight of men and materials, at comfort levels for the men and the artisans to work which is 6" to 9" inches away from the wall or chajja or any projections of the wall, ( for payment the scaffold height will be measured elevation area (both faces shall be considered as one length and height 3'-0" from topmost working platform level).

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and plastering 12 mm cement plaster of mix :1:4 (1 cement: 4 fine sand) incl. waterproofing compund as per the manufacturer's material specifications.

Rough cast plaster upto 10 m height above ground level with a mixture of sand and gravel or crushed stone from 6 mm to 10 mm nominal size, dashed over and including the fresh plaster in two layers, under layer 12 mm cement plaster 1:4 (1 cement : 4 coarse sand) and top layer 10 mm cement plaster 1:3 ( 1 cement : 3 fine sand) mixed with 10% finely grounded hydrated lime by volume of cement. Ordinary cement finish using ordinary cement

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.Mechanically Treated bars of grade Fe-500D or more.

Structural Repairs :- Providing structural repairs in Old Damaged concrete structures/surfaces with approved Polymer with following operations 1)Removal of loose/Spalled or damaged concrete by chipping and cleaning the concrete surface and reinforcement steel with wire brush and with water jet. 2) Cleaning the re-bars with rust remover for complete rust removal and washing with water jet to make the surface free from Acid content. 3) Applying Protective coat /bond coat using Polymer and Cement in the proportion of1:1.5(1 part polymer and 1.5 parts of cement in synthetic enamel paint like consistency with brush. 4) Reinstate the area with polymer modified mortar in layers of maximum 20mm with the proportion of Cement 50kg : Washed and dried river sand 87.50; Silica sand 37.50 kg. mixed with 10 liters of polymer (or 1kg cement :1.75kg washed and dried river sand ; 0.75kg Silica sand : 200ml polymer) 5) If thickness of repair exceed 20mm,after every 20mm thick bond coat as per 2 above to be applied continuing further structural repair works.This work is inclusive of all material,labour etc complete as directed with approved chemical manufacturer and specified by the manufacturer for Structural repair shall be used.

Providing SFMC (Super fine microconcrete) for strengthening of structural members incliding mixing and pouring, curing as directed by Engineer-in-charge

Centering and shuttering including strutting, propping etc. and removal of form for : Columns, Pillars, Piers, Abutments, Posts and Struts

FINISHING WORK

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work.

PART B Any unforeseen item not covered above, executed from CPWD Delhi Schedule of Rates 2018 upto a base value of Rs. 70,000/- Hint: Bidder is supposed to quote rate for this item in column (green) at value which is at a certain percentage above or below the rate of DSR 2018. For e.g. if the estimated rate is Rs.70,000/- then bidder should quote rate of Rs. 77,000/- incase he intends item in this part to be paid at the rate of 10% above DSR 2018 or Rs. 63,000/- incase he intends item in this part to be paid 10% below the DSR 2018 The value given in the rate for this item shall be used to derive the rate to be paid for the item from DSR 2018

DEEPAK ENTERPRISES

ORIENTAL INTEGRATED FACILITY MANAGEMENT PVT. LTD.

Bombay Construction