Roof repair work at main canteen in FACT Fert Udogamandal.

Amount

Dismantling and removing the existing weather proofing work of brick jelly concrete and flooring, tiles inclusive of cement mortar/plastering/asphalt layer etc. if any laid over roof slabs and cleaning the surface well for re plastering at all heights including stacking serviceable materials for re-use as directed and disposal of the debris to the low lying areas up to a distance of 5KM.

Demolishing and removing old cement plaster and disposal of the debris at places pointed out within a distance of 150M.

RCC work 1:1 1/2:3 nominal mix using first class 20mm and down grade hard granite broken stones including all charges for mixing , laying, consolidating, curing, handling and fixing in position, etc. complete but excluding cost of form work and reinforcement for foundation footing, bottom and sides of trench , raft, plinth beams and pedestals over foundation footings of all shapes pile caps and mass concrete.

Plastering with cement mortar 1:4 for an average thickness of 20mm one coat, floated hard and trowelled smooth at all levels for finishing top of CC floors, rough faces of brick work, surfaces of rubble masonry etc

Finishing cement plastered surfaces integrally at all heights , with a neat flushing coat of cement.

Supplying of latex based multipurpose polymer SikaLatex® Power of Sika / Nitobond® SBR(Latex) of FOSROC or equivalent for adding to mortar at site.

Suppling and fixing 110mmdia PVC rain water spouts of pressure 4kg/sq.cm 500mm long over sunshades etc.at all levels after removing the existing damaged spout and grouting etc.complete as per instructions.

Supplying & injecting of low viscosity Polyurethane resin of make FOSROC / SIKA /BASF / ASIAN PAINTS SMART CARE/ HENKEL or equalent approved brand in RCC structures like tanks, slabs,beams & walls etc. by drilling holes, fixing non returnable packers at regular intervals (not more than 10cm).Cleaning the surface by hacking, wire brushing, removing loose and honeycombed concrete at the area having dampness, injecting using electrically operated pressure pump with all acessories having a minimum pressure of 4 kg/cm2, injecting till the refusal by allowing properly setting & sealing the nozzles without wasting the injecting materials and making the system water tight as required etc. complete as directed. Sealing the all leak path using rapid setting material and remove the packers after injection, sealing with appropriate plugging mortar of make FOSROC / SIKA / BASF / ASIAN PAINTS SMART CARE/ HENKEL or equalent.Scaffolding reqired for the work is under the scope of contractor. Payment shall be made per Kilogram of material net utilized during the grouting operation.

Providing & applying water proofing coating over the concrete roof surface in three coats. One coat of self-priming elastomeric waterproofing liquid (dilution with water in the ratio of 3:1 by volume) and two coats of undiluted elastomeric waterproofing liquid (Asian Smartcare Damp sheath Exterior or equivalent) after cleaning the surface properly with water jet machine, wire brush etc until free from scale, rust, grease, oil etc., preparing the surface to be true & flat and applying as per manufacturer's specification including filling the cracks with crack seal/filler, protecting the applied surface from sudden rains etc. complete.

Supplying Portland pozzolana cement (PPC) of grade 53 conforming to IS1489 part-1 in 50 kg bags