SPECIAL REPAIRS TO ROOF AND ALLIED WORK IN SH 07 SH 08 SH 10 AND SH 35 AT MOK NAVAL BASE KOCHI

Amount

Dismantling of Asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings complete all as specified and as directed.

Dismantling structural steel work including doors, gates but excluding framed truss etc. complete all as specified and as directed.

S&F Pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws complete all as specified and as directed.

M & L for MS rolled sections confirming to Fe 410 -W (Gde-E- 250) quality- A as in main and cross beams, hip and jack rafters,; and purlins where connected to common rafters running rails and guides for sliding door fixed with angle cleats or other connecting plates complete(height up to 12m) complete all as specified and as directed.

M & L for steel work in tubular trusses including special shaped washer etc complete using ERW or induction butt welded tubes conforming to IS 1161-1979 grade St-240 (height up to 12m) complete all as specified and as directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and as directed.

M&L for cement concrete 75mm thick type C2, 1:3:6 (40mm graded aggregate) as in plinth protection finished even and smooth without using extra cement complete all as specified and as directed.

S&F PVC eaves gutter 180 mm dia in any length including iron brackets fixed to walls/angles including taking down eaves gutters and rainwater pipes (any size or pattern), with all fittings etc.,complete all as specified and as directed.

S&F 110mm dia of PVC (SWR) pipe single socketed in any length with rubber ring joints fixed on walls(joining to be done with solvent cement)including taking down eaves gutters and rainwater pipes (any size or pattern), with all fittings etc.,complete all as specified and as directed.

S&F 110mm dia of PVC(SWR) bends any radius ,complete all as specified and as directed.

Taking down chowkats or frames with shutters (without taking off shutters from the frames) not exc 1.50 sqm each,complete all as specified and as directed.

S&F powder coated Anodised aluminium frame for doors, windows ventilators with one or more rebates including joining cleat for fixing etc. complete all as specified and as directed.

S&F powder coated Anodised aluminium window and ventilator shutters, side hung type without sash bars, aluminium sections weighing 0.55 kg/m including necessary joining cleats, glazing clips,rubber packing, anodised aluminium snap beading,screws, anodised aluminium fittings such as peg stays 150mm long (1 no.). hinges type B21 100mm long (2 no.) suitable handle (1no.)complete all as specified and as directed.

M&L for 4.80 mm thick Sheet glass, ordinary quality and glazing with oil putty in square n exc 0.5 sq.m in each pane complete all as specified and as directed.

S&F aluminium powder coated(50 micron) dark coloured deco grill 75mm aperture made out of 7.50 mm plate & finished, deco grill will have 7.50mm width and 6mm thick with rubber beading & hooks etc complete all as specified and as directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for etc complete all as specified and as directed.

S&F 1.25 mm thk Steel rolling shutters, with out ball bearing, but gear operated type with bevel gear box and crank as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer; erected in position as indicated,etc complete all as specified and as directed.

M&L for prepairing new steel surfaces of any description over 10cm width or girth not otherwise described ( steel/iron) and applying two coats of anticorrossive epoxy paint over a coat of primer complete at any height of hangars/store houses (height up to 15m) ,etc complete all as specified and as directed.

M&L for preparation of old steel surfaces and applying two coats of anticorrossive epoxy paint at any height of hangars/store houses (height up to 15m) ,etc complete all as specified and as directed.

Taking down cement plaster on brick walls etc including raking out joints , hacking for key, scrubbing down with water etc complete all as specified and as directed.

M&L for 15mm thick cement plaster on brick wall with cement mortar 1:4 mixed wth water proofing compound finished even and smooth with out using extra cement etc complete all as specified and as directed. Note :- Water proofing compound will be measured and paid separatelyunder relevent Item of this schedule.

supply only integral water proofing compound all as specified and as directed.

M&L for rendering in CM 1:6, 10mm thick for on fair faces of brickwork or concrete surfaces finished even and smooth without using extra cement etc complete all as specified and as directed.

M&L for preparation of newly plastered external wall surface ,scrubbing by using nylon/jute/wire brushes/scrapper blades or by using sanding machines to remove algae, moss, fungus and loosely adhered particles like dust, efflorescence etc and washing the surface with pressure jet washers and surface allowed to dry etc complete all as specified and as directed.

M&L for complete removal of external wall surface ,scrubbing by using nylon/jute/wire brushes/scrapper blades or by using sanding machines to remove algae, moss, fungus and loosely adhered particles like dust, efflorescence etc and washing the surface with pressure jet washers and surface allowed to dry etc complete all as specified and as directed.

M&L for application of one coat of primer with sealant properties using "Seal-O-Prime" or "Weather coat exterior primer" ( of Berger make or equivalent make in other makes ) and allowed to dry overnight to receive first coat of emulsion paint complete all as specified and as directed. Note :- Before application of primer coat, the moisture of the wall surface shall be checked with a moisture meter .

M&L for application of first coat of exterior emulsion antifungal paint on primed wall surface using rollers made from foam or synthetic fibres,to get a smooth and tint free surface and allowed to dry for at least 8 hrs/ overnight to receive second coat of emulsion paint complete all as specified and as directed.

M&L for application of second coat of exterior emulsion antifungal paint on wall surface using rollers made from foam or synthetic fibres,to get a smooth and tint free surface complete all as specified and as directed. Note for Item No.25 to 29 :- Application through company authorised applicator or under company supervision using modern tools and techniques shall be ensured. contractor shall submit performances guarantee for a period of five years after completion as per prescribed format .

M&L for preparation of new surfaces and applying three coats of white wash on wall surface etc complete all as specified and as directed.

M&L for Complete removal of existing treatment of internal surface and applying two coats of oil bound distemper over a coat of primer,after applying 3mm thick wall care putty etc complete all as specified and as directed.

M&L for Preparation of old decorated surface of walls including cornices (Plastered or unplastered) and applying two coats of white wash at any height of bldgs/store houses all as specified and as directed .

Dismantling floor,hearth or wall tiling including cement mortar bedding,removing serviceable tiles to store and rubbish of premises all as specified and as directed .

M/L for ultra charged vitrified tiles 7mm to 8mm thick (square/rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm in floors etc.set and jointed in neat cement slurry and pointed in white or coloured cement to match including screed bed or bedding layer of mortar 15 mm thick in CM 1:6 for laying floor finishes etc coplete all as specified and as directed .

M/s ANTONY THOMAS AND CO

Albert Rebello and Company