COMPREHENSIVE MAINT AND MISC B R REPAIRS TO CERTAIN BLDGS AT MAIN CAMP TECH AREA AT AFS TAMBARAM

Amount

Dismantling floor hearth or wall tiling incl cement mortor bedding (but not backing) removing the rubbish of the premises complete all as specified and directed by Engineer-in-Charge.

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

Demolition of concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed by Engineer-in-Charge.

M&L 25mm thick Plain Cement Concrete TypeB0 (1:2:4) using 12.5mm graded stone aggregates as in sub base complete all as specified and directed by Engineer-in-Charge.

Roughing surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust etc and brushing neat cement slurry with 3.0 Kg of cement per sqm complete all as specified and directed by Engineer-in-Charge.

M&L Non skid ceramic coloured tiles 6-7 mm thick (square/rectangular) area of each tile exc 0.06sqm but n.exc 0.11Sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15 mm thick screed plaster in CM 1:4 complete all as specified and directed by Engineer-in-Charge.

M & L glazed ceramic coloured tiles of size 350x250x7/450x350x7 mm thick on vertical surface as in dados, skirting etc, set and jointed in neat cement slurry over and including 10mm thick plaster in cement mortar 1:3, pointed with white/ coloured cement to match complete all as specified and directed by Engineer-in-Charge.

M&L non skid ceramic coloured tiles 7 to 8 mm thick (Square/ rectangular ) in floors ,area of each tile exc 0.11 sqm but n.exc. 0.18 sqm set and jointed in neat cement slurry and pointed in white or colour cement to match the shade of tiles, over and including 15mm thick screed plaster in CM 1:4 complete all as specified and directed by Engineer-in-Charge.

All as per item No 8 but in vertical surfaces set set and jointed in neat cement slurry over and including 10mm thick plaster in cement mortar 1:3, pointed with white/ coloured cement to match complete all as specified and directed by Engineer-in-Charge.

M&L for vitrified ceramic coloured tiles light shade 10 mm thick (square / rectengular) polished area of each tile n exceeding 0.36 sqm , in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 15 mm thick screed bed in CM 1 :4 in floors etc complete all as specified and directed by Engineer-in-Charge.

All as per item No 10 but in vertical surfaces set set and jointed in neat cement slurry over and including 10mm thick plaster in cement mortar 1:3, pointed with white/ coloured cement to match complete all as specified and directed by Engineer-in-Charge.

M&L Machine cut Mirror polished kota stone slab flooring 20 -25 mm thick over cement screed based laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polish complete including 20 mm screed bed layed with CM 1 :4 etc including dismantling of stone slab complete all as specified and directed by Engineer-in-Charge.

M & L for Machine cut Mirror polished kota stone slab 20-25 mm thick in riser of steps,skirting,dado and pillar laid over cement screed and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polish complete including 15 mm thick screed bed in CM 1 :4 in floors etc including dismantling of stone slab complete all as specified and directed by Engineer-in-Charge.

M&L for Granite 25 mm thick (of any type) work (table rubbed and polished) in steps, jambs, pillars, win dow-cills, cooking plat forms and like in cement mortar (1:4) including point ing in white cement (1:2) us ing marble dust with admix ture of pigment to match with shade of granite including 10 mm thick backing coat in CM 1:4 complete all as specified and directed by Engineer-in-Charge.

Taking down PVC chowkats/Frames of area n.exc 1.5 Sqm with shutter (without taking off shutters from the frame) each complete all as specified and directed by Engineer-in-Charge.

Taking down PVC shutters of any description of area n.exc 1.5 Sqm each complete all as specified and directed by Engineer-in-Charge.

S&F Solid PVC Door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with MS square tube supplying and fixing in opening as per specification & drawing complete all as specified and directed by Engineer-in-Charge.

S&F Factory made solid panel PVC door shutter 30mm thick (Style) consisting of frame made out of MS tube for top & bottom rails. MS frame shall be covered with heat moulded plain colour PVC 'C' channel having PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheet for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; Panelling of plain colour PVC sheet to be fitted in the MS frame welded/sealed to the style & rails with suitable PVC sheet beading, and jointed together with solvent cement,supplying & fixing in the frame at site as per specification and drawing complete all as specified and directed by Engineer-in-Charge.

S&F 100 mm long stainless steel butt hinges for PVC doors complete all as specified and directed by Engineer-in-Charge.

S&F Extruded Aluminium alloy handle fabricated type, anodised of size 150mm complete all as specified and directed by Engineer-in-Charge.

S&F Aluminium anodised barrel tower bolt of extruded section of size 150mm complete all as specified and directed by Engineer-in-Charge.

S&F in repairs door closer, aluminium (extruded section body) hydraulically regulated, designation No. 3, universal type, suitable for door shutters of 851 to 1000 mm in width and weight between 61 to 80Kg complete all as specified and directed by Engineer-in-Charge.

Disconnecting existing PVC tanks from its position and removing from the site of maximum height (G+4) storey and S&F new rotational moulded polyethylene water storage tanks 500 litre capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I complete all as specified and directed by Engineer-in-Charge.

All as per item No. 23 above but 1000 litre complete all as specified and directed by Engineer-in-Charge.

Taking down old cement plaster including racking out joint hacking for keys and scrubbing down with water etc., on wall/ ceiling surfaces and removing the debris from the defence premises complete all as specified and directed by Engineer-in-Charge.

M&L for rendering 15mm thick on brick/ concrete surfaces with CM 1:4, finished even and smooth without using extra cement complete all as specified and directed by Engineer-in-Charge.

M&L for rendering 10mm thick on brick/ concrete surfaces with CM 1:6, finished even and smooth without using extra cement complete all as specified and directed by Engineer-in-Charge.

M&L for rendering 5mm thick on ceiling surfaces with CM 1:3, finished even and smooth without using extra cement complete all as specified and directed by Engineer-in-Charge.

Material and labour for preparation of new plastered surfaces of walls/pillars /cornices by brooming down with using broom/sand papering or by any other mean, washing down with water and applying two coats of cement base paint as per approved tint/colour with using paint brush/roller brush complete all as specified and directed by Engineer-in-Charge.

Material and labour for preparation of new plastered surfaces of walls/pillars /cornices by brooming down with using broom/sand papering or by any other means, preparing the surfaces smooth by applying one coat of chalk whitening as priming coat and after that applying two coats of oil bound distemper (washable) as per approved tint/colour with using electric paint roller or roller brush complete all as specified and directed by Engineer-in-Charge.

Material and labour for preparation of new plastered surfaces of ceiling by sand papering or by any other means, preparing the surfaces smooth and after that applying three coats of lime white wash with using paint brush complete all as specified and as directed by Engineer-in-Charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed by Engineer-in-Charge.

Dismantling AC corrugated or semicorrugated sheets in roof covering / wall cladding complete all as specified and directed by Engineer-in-Charge. Note : Serviceable AC sheet shall be refixed with new J or L hook under relevant fixing item.

M&L 6mm thick AC corrugated sheet on roof covering fixed with L or J type hook complete all as specified and directed by Engineer-in-Charge.

Fixing only 6mm thick AC corrugated sheets with J or L hook in good condition obtained from dismantling of old AC sheet complete all as specified and directed by Engineer-in-Charge.

S&F in repair 2mm thick fibre glass reinforced transulent corrugated sheeting with two corrugate side lap fixed with 'L' or 'J' type hook fixed in roof ,wall etc complete all as specified and directed by Engineer-in-Charge.

Material and labour for steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 complete all as specified and directed by Engineer-in-Charge.

S&F for Rolled steel sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates complete all as specified and directed by Engineer-in-Charge.

M&L Preparation of new steel surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-Charge.

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

Taking down of steel tubing and connections complete on walls floors etc for 15mm bore of pipe complete all as specified and directed by Engineer-in-Charge. Note : Serviceable GI tubing shall be used after necessary cleaning, removing rust with new clamps in relevant refixing items.

All as per item No. 41 above but bore of pipe in 20mm dia complete all as specified and directed by Engineer-in-Charge.

All as per item No. 41 above but bore of pipe in 25mm dia complete all as specified and directed by Engineer-in-Charge.

Refixing of old steel tubing and connections is in now or old positions (walls ceiling floors etc) bore of pipe 15mm complete all as specified and directed by Engineer-in-Charge.

All as per item No. 44 above but bore of pipe 20mm complete all as specified and directed by Engineer-in-Charge.

All as per item No.44 above but bore of pipe 25mm complete all as specified and directed by Engineer-in-Charge.

Supplying and laying of 16mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all as specified and directed by Engineer-in-Charge.

Supplying and laying of 20mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all as specified and directed by Engineer-in-Charge.

Supplying and laying of 25mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 15 mm bore CP Bib tap cast copper alloy fancy type crutch or butterfly handles screwed down for iron or for brass ferrule complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 15 mm bore pillar taps cast copper alloy fancy type chromium plated screwed down high pressure with long screwed shanks and fly nuts screwed for iron pipes complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 15mm dia chromium plated fancy type angle/stop cock cast copper alloy screwed down high pressure fancy screwed both ends for pipe or for union complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 15 mm dia Bib tap standard PTMT any colour screwed for iron pipe (Min weight 90 gms) complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 15mm dia Pillar taps of PTMT any colour high pressure screwed for iron pipe and fixed.(Minimum weight 15mm-110gms) complete all as specified and directed by Engineer-in-Charge.

S&F in repairs 15mm dia Angle/Stop valve of PTMT any colour high pressure screwed foriron pipe and fixed. (Minimum weight 15mm-90gms/ 20mm- 92gms) complete all as specified and directed by Engineer-in-Charge.

S&F in repairs PVC over head tank cover for any capacity complete all as specified and directed by Engineer-in-Charge.

S&F in repairs PVC connections 15mm dia 600mm long (for cold/hot water connection with brass or PTMT flynuts and washer at both ends complete all as specified and directed by Engineer-in-Charge.

S&F in repairs PVC valve less syphonic action type flushing cistern 10 litres capacity, high/low level with inlet ball valve, float and handle including brackets complete all as specified and directed by Engineer-in-Charge.

S&F in repairs Ball valves of High pressure of PTMT with epoxy coated with aluminum rod & high density plastic ball 15mm inside flushing cistern( min wt - 142gms) complete all as specified and directed by Engineer-in-Charge.

All as per item No.59 above, but 20mm dia (min weight - 210gms) complete all as specified and directed by Engineer-in-Charge.

All as per item No.59 above, but 25mm dia (min weight - 455 gms) complete all as specified and directed by Engineer-in-Charge.

Demolition of Stone slabs & tiles of any description or thickness in floors, aprons etc laid dry or laid dry & pointed complete all as specified and directed by Engineer-in-Charge.

M&L 75 mm thick Plain Cement Concrete 1:4:8, Type D2 nominal mix (using 20 mm graded stone aggregate) , as in sub base complete all as specified and directed by Engineer-in-Charge.

M&L sand filling under paver blocks including watering and consolidation complete all as specified and directed by Engineer-in-Charge.

M&L rubber moulded machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60mm thickness,M-35 Grade with grey cement and pigment complete all as specified and directed by Engineer-in-Charge.

M&L Screed bed or bedding layer of mortar 15mm thk for laying floor finish in CM 1:6 complete all as specified and directed by Engineer-in-Charge.

S&F for Chequered cement concrete tiles 30cm x 30cm x 20-25mm thick, set, jointed and pointed in neat cement slurry in floors Pattern, size and shade pointed with grey cement and pigment complete all as specified and directed by Engineer-in-Charge.

M&L for providing Plain Cement Concrete 1:2:4, type B1 nominal mix (using 20 mm graded aggregate) as in cills, steps, bands, copings, bed plates , etc including necessary form work including formwork complete all as specified and directed by Engineer-in-Charge.

Material & Labour for providing and fixing stainless steel (Grade 304) railing made of hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size, on the top of floor other side of waist slab with suitable arrangement complete all as specified and directed by Engineer-in-Charge.

ragavbuilders (BID ID -3383865)

M R Govinda Reddy and Sons (BID ID -3381786)

M/s KM Marimuthu Achary (BID ID -3390929)