REPAIR AND RENOVATION OF MANGALORE TILE ROOFING FOR AFMM AND OLU AT IISc BANGALORE

Amount

Demolishing brick tile covering in terracing including stacking of serviceable material and disposal of unserviceable material to the appropriate disposal area as per direction of Engineer-in-charge.

Removing and fixing Old Mangalore tiles on existing reepers

Supplying and fixing new Mangalore tiles on existing reepers of same pattern

Providing Mangalore Ridge tiles set in C.M. 1:2 and pointed with C.M. 1:2. of approved pattern as per the direction of Engineer in Charge

Removing and fixing old Mangalore ridge tiles including pointing with C.M. 1:3. as per the direction of Engineer in Charge

Providing & fixing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete as per design drawings. 1.60 mm thick with zinc coating not less than 350 g/m²

Providing & fixing ridges or hips of width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete as per design drawings. 0.63 mm thick with zinc coating not less than 275 g/m²

Providing and supplying Nandi wood reepers of size 50x25mm for Mangalore tile roofing

Providing Honne wood wrought and putup for purlins, common rafters and similar work including cost of materials, labour, usage charges complete as per specifications.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two coats on new work after thoroughly brooming the surface to remove all dirt, dust, mortar drops and foreign matter including preparing the surface even and sand papersmooth, cost of materials, labour complete as per specifications and as per directions of Engineer-in-charge.(New reepers, Rafters)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One coats on old work as per specifications and as per directions of Engineer in charge. (Existing reepers & rafters)

Providing and supplying Galvanised steel plain sheets with 0.63 mm thick with zinc coating not less than 275 gm/m² including all materials, Seam bolts and nuts, GI plain washers, Bitumen washers etc. with necessary accesories as per the direction of engineer incharge.

Repairs to roof with available corrugated zinc sheets/ A.C.sheets with new J bolts, screws and washers etc., on existing reeper and rafters.

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound) content less than 50 g/L, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. Two coats as per specifications and as per directions of Engineer in charge.( Asian Paints Apex Tile Guard for Mangalore tiles roofing)

Providing Brick work with common burnt clay Non Modular bricks of class designation 3.5 in superstructure above plinth level in all shapes and sizes in Cement mortar 1:6 (1 cement : 6 coarse sand) including cost of all materials, labour, scaffolding and usage charges of machinery & other incidental charges complete as per the direction of engineer incharge of work. For constructing Band over Roof

Providing 18 mm cement plaster in two coats under layer 12 mm thick cement plaster with cement mortar 1:5 (1 cement : 5 coarse sand) finished with a top layer 6 mm thick cement plaster with cement mortar 1:6 (1 cement : 6 fine sand) to brick masonry including rounding off corners wherever required smooth rendering, providing and removing scaffolding, including cost of materials, labour, curing complete as per specifications and as per directions of Engineer-in-charge.Plastering for Bands over roof Brick Work

Repairs to plaster in patches of 2.5 m2 and less in walls, ceilings 10 to 20mm thick in cement mortar 1:6 including cutting the patches in proper shape and replastering the surface of the wall including disposal of rubbish with a lead of 50m including curing cost of materials, labour, complete as per specification.

Providing and laying in Cement Concrete for all Basement & surface level works, return walls, retaining walls, sunken floors etc. The granite/trap/ basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticisers, laid in layers, well compacted using needle vibrators, providing weep holes wherever necessary, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing and all other appurtenances required to complete the work as per technical specifications. M20 Design Mix Using 20 mm nominal size graded crushed coarse aggregates Including shuttering

Cutting out cracks of internal and external walls and roof terrace to V - section cleaning out, wetting, grouting with cement and sand slurry 1:3 (1 cement, 3 sand)/ (Crack filler/ crack sealant) including cost of materials, labour, complete as per specifications.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 g/L of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. Two coats as per specifications and as per directions of Engineer in charge.

Removing white wash or colour wash by steel brushing and / or scraping, sand papering and preparing wall surface smooth including repairs to scraches including cost of labour, material complete as per specifications.

Taking out existing wooden door shutter/window, repair by cutting, painting etc. and refixing of repaired door shutters/window to existing door/window frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the Engineer-in-charge.

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty: Float glass panes of nominal thickness 5 mm (weight not less than 12.5kg/m²)

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge (one-time Qty will be considered for payment)

Providing and Applying PU based Elastomeric Liquid Applied PU Waterproofing Membrane single component, cold applied, water based acrylic PU dispersion with highly elastic and UV resistant water proofing treatment to the Existing Roof surface/Chajjas/Sunken portion of WC:Bathroom applied @ 1.2 l/per m2, having tensile strength greater than 1.5N/mm2, elongation greater than 300% with solid content not less than 60% in 2 coats including surface preparation, priming the surface with water based acrylic primer @0.1 l/m2, and spreading 60 gsm geotextile between two top coats completely as per specification. The finished cost to include surface preparation, making coving at Junction, Bore Packing, treatment of construction joints completely as per specification.

Providing and Supply of Carpenter class I for various works as per the direction of engineer in charge. For fixing of wooden reepers

Providing and Supply of semi Skilled helper for various works as per the direction of engineer in charge.

Tractor-Trolley for debris shifting ouside the BBMP limits and etc

M.VENKATACHALAPATHI (BID ID -3318508)

M DINESH (BID ID -3318499)

S NINGAPPA (BID ID -3317457)