TENDER FOR ROOFING AND RENOVATION WORKS AT CYBERPARK KOZHIKODE

Amount

DISMANTLING WORK

Demolishing mud phaska in terracing and disposal of material within 50 metres lead.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. Rate to include for demolishing of screed also below the tiles.

Dismantling of existing aluminium,acp, gypsum and plywood partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

WATERPROOFING WORKS:All water proofing works should have a warranty of 5years from the applicator and the contractor after the completion of project.Any defetcs arised during this period has to be rectified by them free of cost.

WATERPROOFING SYSTEM FOR TOILET AREA

All cracked surfaces shall be opened up in V-groove shape upto maximum of one inch and fixing PVC Nozzles in 60 cm centre to centre distance and fixing the same with suitabel mortar like Dr. Fixit Polymer Mortar HB. After that packing the opened V-groove cracks with suitable Polymer Modified Mortar using Cement:Sand = 1:3 admixed with Water and Dr. Fixit Pidicrete URP @ 1 kg per 50 kg bag of Cement and prior to that, V-groove surfaces should be primed with Dr. Fixit Epoxy Bonding Agent. The PVC Nozzle shall be grouted with Cement-Water-Dr. Fixit Pidicrete AM @ 200 gm per 50 kg Bag of Cement and Dr. Fixit Pidicrete URP @ 1 kg per 50 kg Bag of Cement. After grouting, the next day, the PVC Nozzle's should be cut properly and shall be levelled with Dr. Fixit Polymer Mortar HB.

ANGLE FILLET: All the junctions of floor and vertical sides in sunken portion shall be provided with cement-sand screed based angle fillet of 75 mm X 75 mm including reinforcing the coating with application of base coat of Dr. Fixit Pidifin 2K & sticking 40 gsm glass fiber-mesh & applying second coats of Dr. Fixit Pidifin 2K on angle fillets. The screed shall be admixed with Dr. Fixit Pedicrete URP a latex based additive ) dosage -1 kg/ 50 kg cement bag ), that will provide strength and water resistance to water leakage.Screeding also to be done with this.

Bore Packing :- All the pipes to placed / inserted in the core cut areas, shall be wrapped around by the Dr. Fixit Bathseal Tape, a twin sided adhesive tape and placed appropriately to be grouted around the cut bores. Grouting the gaps between the pipe and the core cutting by an expansive cementitious grout Dr. Fixit Pidigrout 10M that shall be poured into the gaps after fixing in place an effective leak-free shuttering.

63mm Dia

110mm Dia

160mm Dia

Providing and applying acrylic cementitious two component waterproof coating, Dr. Fixit Pidifin 2K having minimum elongation of 50% at 1mm thickness and excellent in prevention of water permeability. The system includes base preparation of cleaning, brushing and removal of flacky materials, grouting the porous area with cementitious grout, proper coving between slab and wall junctions and applying in two coats @ 0.75 kg/Sqm/Coat. Coating shall be done on the entire horizontal surface. Vertical Areas: The coating has to be continued 1.2 m up to the wall level,etc., complete.

Providing and applying 15 mm thick with CM 1:4 plastering admixed with Dr. Fixit Pidiproof LW+ @ 0.2litre/bag of cement as per manufacturer's specifications including curing etc...complete.

Terrace Repair & Waterproofing

All cracked surfaces shall be opened up in V-groove shape upto maximum of one inch. After that packing the opened V-groove cracks with suitable Polymer Modified Mortar using Cement:Sand = 1:3 admixed with Water and Dr. Fixit Pidicrete URP @ 1 kg per 50 kg bag of Cement and prior to that, V-groove surfaces should be primed with Dr. Fixit Epoxy Bonding Agent.

Treatment of pipe outlet/drain using Dr. Fixit Bathseal Tape to the periphery of the Pipe Outlet and filling the same with Dr. Fixit Pidigrout 10M. (Wherever it is necessary)

Making angle fillet of 75mm X 75mm using Polymer Modified Mortar using Cement:Sand = 1:3 admixed with Water and Dr. Fixit Pidicrete URP @ 1 kg per 50 kg bag of Cement and prior to that, surfaces should be primed with Dr. Fixit Epoxy Bonding Agent.

Providing and applying a primer coat of Dr. Fixit Primeseal, dilute with water in the ratio 2:1 (Dr. Fixit Primeseal: Water = 2: 1) and apply @ the rate of 8-10 Sqm/liter depending upon the porosity of the substrate. Providing and applying two coats of Dr. Fixit HydroShield PUD Plus- one component water based, high solid, UV Resistant Eco Friendly hybrid Polyurethane membrane with following properties. 1.Elongation of 350%as per ASTM D 412, 2 Adhesion to substrate ≥ 3.5 N/Sqmm as per ASTM D 3359, 3. Water vapour permeability of ≥ 25 g/sq.m 24 hrs as per ASTM D 1653, 4.Tensile strength (@ 50 mm/ min) of ≥ 1.50 N/mm2 as per ASTM D 412, 5.Shore A hardness of 70 to 75 as per ASTM 2240, 6. Crack bridging ability - Excellent-able to bridge cracks up to 2 mm as per AS/NZD 4548.5 : 1999, Coating is applied by brush or roller to achieve a total DFT of 1 mm, with coverage of approximately 0.7 litre/Sqm/Coat (Total 1.4 litre in Two Coats) with a time interval of 4 hour to 6 hour between each coat. The height of the coating to Vertical Parapet Walls will be 300 mm from the FFL. Entire Horizontal Surfaces and Upstands shall be Coated in Total.

Providing and laying in position cement concrete of specified grade including the cost of centering and shuttering - 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Waterproofing system for metal roofing

Clean the METAL ROOFING Surface free of dust, dirt, grim, grease, oil etc. Use of pressure water jets and detergents recommended for removal any pre applied membranes

Treating Gaps: Periphery joints, lap joints between panels, on fasteners and gaps shall be treated with Polyurethane Sealant, Dr. Fixit PU Sealant, liberally to ensure closing of all gaps.

Providing and applying one coat of primer such as, Dr. Fixit Pidipoxy MIEP Primer, @ 5 - 6 Sqm/ kg shall be applied on the entire surface,. Further applying 2 coats of Dr. Fixit Cool Roof at coverage of 500 ml/Sqm/Coat and in two coats total consumption of 1 litre/ Sqm to attain a DFT of 450 to 500 microns as per manufacturer's methodology. The Joints / Overlaps should be Treated Additionally with 40 to 50 GSM Non- Woven Geotextile Fleece Fabric / Seam Tape sandwich between two coats.

Providing and laying vitrified tiles with spacer of 3mm, 8mm thick of approved make and quality, colour and shade, 600mm x 600mm over and including a 20mm thick base of CM (1:3) (1 cement: 3 coarse sand) finished neatly.(Basic rate Rs 50/Sft).

Grouting the joints of floor and wall tiles having joint of 3mm width, using epoxy grout mix of 0.70kg of organic coated filler of desired shade(.10kg of hardner and .20kg of resin per kg) including filling/grouting and finishing as per the direction of engineer in charge

Providing and laying vitrified tiles with spacer of 3mm in skirting, riser, wall of 8mm thick of approved make and quality, colour and shade, 600mm x 600mm over and including a 12mm thick bed of CM (1:3) (1 cement: 3 coarse sand) finished neatly.(Basic rate Rs 50/Sft).

Providing & fixing for Roofing Single skin GALVALUME sheet with colour coated made out of 0.5 mm TCT :550 Mpa cold rolled sheet with hot dip metallic coating of aluminium zinc alloy 150 gms / sq.m with 20 microns on top with silicon modified polyester and 5 microns back up epoxy coating at the bottom having 975/1000 mm cover width with 26 mm high crest at 195/200 mm c/c in length as approved by the architect and fixed with necessary suitable imported galvanised carbon steel, self drilling & self tapping screws of HILTI / Bosch of required diameter and length all complete with EPDM sealing washers with sealant. Rate should include cost of plastic caps of approved colour of UV resistance and button bolts, all as per manufacturers specification, ridge, piece, aprons, large boards, etc all accessories, all complete as directed by the engineer. (Includes gutter).

MS structure for roofing and staircase

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved epoxy primer all complete.(includes stringers, treads, landings etc. of staircases, including use of chequered plate wherever required, the existing damaged chequered plate to be replaced with new one) all complete. The new frames on roof to be fixed above the existing puff panels,(Successful bidder should submit a schematic drawing indicating propsed layout of roofing work after award of work.)

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete :Flashings/ Aprons.( Upto 600 mm)

Finishing with epoxy paint two or more coats, at all locations prepared and applied as per manufactures specifications including appropriate priming coat, preparation of surface (including scrapping and sand papering dirt and rust from existing staircase and all structural members at site),etc. complete on steel work

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5sqm and above in existing wall (making good of existing openings/holes in wall) including cutting the patch in proper shape , raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground , all complete as per direction of engineer in ; with CM 1:4 .Rate to includine scaffolding charges also.

Finishing walls with water proofing cement paint of required shade :new work (2 or more coats applied at 3.84kg/10sqm)

Removing and re-fixing of doors(glass,aluiminum & wooden) wherever required for carrying out necessary interior works like floornig,ceiling etc. in complete.

Cleaning of external façade of building such as structural glazing,ACP,louver,cladding sheets etc.including the cost of manpower,equipments,tools, cleaning materials,tackles,cosumables,safety gears etc. complete. The rates quoted shall be inclusive of all taxes, duties, transportation etc, etc.complete.The above mentioned surfaces to be cleaned properly with suitable cleaning materials which do not have any adverse effect on the facade.All the dirt should be properly removed from existing profiles while cleaning, to the satisfaction of engineer in charge.

SANITARY INSTALLATIONS

Removal of existing sanitary fittings like urinals, water closet, etc with all allied fittings including health faucet, angle valves, pillar cock, etc. (It will be reused after completion of renovation)

Re-fixing of all removed sanitary fittings, after completion of work and making good the walls and floors with necessary sealants and making it leak proof.Rate shall be inclusive of all necessary screws and materails required for re-fixing.

Supplying, laying and jointing hard PVC pipes with PVC specials such as tees, bends, door bend, door tee, elbow, unions, etc. with clamp testing the lines rectifying any leakages or defects etc. complete as directed by the Engineer in charge for soil, waste, vent pipe, etc. concealed or open at all levels including cost conveyance of all materials , labour charges, sundries etc. complete for internal & external work exposed on walls as directed by the Engineer in charge. a. 75mm dia(6kg/sq.cm)

b. 110mm dia (6kg/sq.cm)

Removal & refixing of lightining arrestor on terrace with necessary materials, after the installation of new roof, as directed by the engineer in charge

R. Sajikumar

Tati construction Pvt. Ltd.