GE/ALP (8464) KOLKATA OF 2025-26

Amount

Dismantling removing all unsound concrete, plastered material by chipping/chiseling gently at all effected and adjoining areas of concrete etc till sound surface is reached all various locations in building subsequently cleaning the surfaces by hair brush and air blower and removing rubbish off the premises and disposing at the dumping site as approved by local authorities including hoisting assembling and fixing of double layer steel scaffolding to external perimeter of building complete all as specified and directed .

Removing of concrete all around reinforcement bar upto 12 mm dia and over from behind the reinforcing bars average 25mm (but not less than 15mm air gap) by manual methods (using wire brushing, chiseling etc) and applying chloride free rust removing chemical on rusting steel reinforcement bar and removing all rust from steel reinforcement bar by emery paper and cleaning the area thoroughly by water and allow it to dry and totally rust free of reinforcement bar complete all as specified and as per manufacturer's instruction. Make( Rust removing chemical ):- Reebaklens RR of FOSROC or equivalents solutions SIKA/STP.

M&L and preparation of existing reinforcement surface by brush and application of two component epoxy zincrich primer on existing reinforcement surface of minimum specific gravity 1.75, adhesive bond strength with steel is 1.50N/mm2 and maximum coverage area 5.00 Sqm per litre and complete all as specified and directed. Make- Nitozinc primer of FOSROC or equivalent make as approved by GE.

M&L for introducing new reinforcement bars upto 12 mm dia and over for structural connection in RCC beams, columns, lintel and slabs including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150 mm and upto 200 mm including power drilling, fixing the reinforcement in position using epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges etc complete all as specified and directed.

M&L for providing and placing in position free flow non shrink cementitious micro concrete of Grade of M-50 to the effected beam, column etc . The micro concrete shall have a minimium 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minium tensile strength 5N/mm2 @ 28 days, minimium flextural strength 5N/mm2 @ 28 days and 60 mm average thickness of Column and complete all as specified and directed. Make: SIKA/FOSROC/HINDCON

M&L for providing and placing in position free flow non shrink cementitious micro concrete of Grade of M-50 to the effected beam, column etc . The micro concrete shall have a minimium 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minium tensile strength 5N/mm2 @ 28 days, minimum flextural strength 5N/mm2 @ 28days and complete all directed 40 mm average thickness of Beam/lintel complete all as specified and directed. Make: SIKA/FOSROC/HINDCON

Supply, mixing and application two component structural grade polymer modified reinstatement morter, where local spalling has taken place or shuttering is not possible . The morter can be applying in layers not exceeding 6 mm thick in each layer in and upto any thickness in smaller vertical pockets and upto any thickness in horizontal applications. The mortar should have a minimium compressive strength 12N/mm2 in 1 day and 45N/mm2 in 28 days. Minimum flexural strength should be 8 N/mm2 in 28 days. A modified styrene butadience emulsion for use as a bonding aid and gauging liquid for cementious system to be mixed with cement slurry before the application of modified polymer mortar to be used @ 6 ltr/bag of cement. The bonding agent should have minimium compressive strength 24N/mm2. Minimum tensile strength 3.5N/mm2, minimium flexural strength 6.5N/mm2 complete all as specified and directed upto 25 mm average thickness. Make :- SIKA/FOSROC/HINDCON NOTE:- Cement and sand morter in proportion of (1:2) graded coarse sand ) with polymer admixed in proportions approved by Engr-in-charge

Use and waste of formwork to sides of column, pillars, posts, stanchions for rough foinished surface complete all as specified and directed.

Use and waste of formwork to sides and soffit of beams, lintels, cantilevers, shelves etc for rough finished surface complete all as specified and directed.

M&L for applying of high efficiency polymeric resin base film forming curing agent /compound over concrete surface and maximum coverage area 5.00 Sqm per litre as per manufacturers instruction complete all as specified and directed. Make:- Concure LP90 of FOSROC or equivalents solutions SIKA/STP/ Maruti / Choksey chemicals.

S&F for shear connector of 8 mm dia & requisite length on the surface to be repaired for the bonding between old and new concrete as per the locations instructed by the Engr-in-Charge. The shear connectors shall be of L shape and welded with existing reinforcement at least 100mm in length @ 200mm centre to centre both horizontally and vertical followed by coat of epoxy Zinc primer complete all as specified and directed.

M&L for hoisting, assembly and fixing of double layer steel scaffolding to external perimeter of building duly cross braced and properly aligned for the functional aspect and safety of the building including dismantling, shifting & removal from site complete all as specified and directed . Note: - Elevational area of the building shall be measured for payment of scaffolding.

Hacking out of old broken glass any thickness, size quality or description from wooden/steel frame fixed with wooden beads/metal pinning complete all as specified and directed.

S&F for 4 mm thick plain sheet glass in square not exc. 0.50 sqm in each pane, fixed with pin headed beads or putty (in metal frames etc) complete all as specified and directed.

S&F in repair for stainless steel wire cloth with stainless steel 0.36 mm nominal dia of wire and average width of aperture 1.40 mm and fixed with wire staples (for windows and gauzed doors) complete all as specified and directed.

S&F in repairs for extruded aluminium alloy handles, fabricated type, anodised 125 mm long complete all as specified and directed.

S&F in repairs 100 mm long mild steel butt hinges, medium weight, cold rolled and fixed complete all as specified and directed.

S&F in repair for 150 mm long aluminium anodised barrel tower bolts of extruded section complete all as specified and as directed.

S&F in repair for 300 mm long aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast aluminium alloy and fixed complete all as specified and directed.

S&F in repair stainless steel curtain rod anodised aluminium alloy 25 mm dia with pair of suitable brackets, finnels and also making good the wall surface to match the existing surfaces complete all as specified and directed.

S&F in repairs for 19 mm thick prelaminated particle board, interior grade, prelaminated one side with decorative choice lamination and other side balancing white lamination, fixed with screw to timber frame work complete all as specified and directed.

S&F for 30 mm wide continuous (piano) hinges, mild steel, bright finish or electro galvanised fixing to wooden frame complete all as specified and directed.

S&F for 100 mm long fancy type Brass handles, cast type, polished bright complete all as specified and directed.

S&F for magnet catcher fixed in cabnet shutter (one portion) and wooden frame (other portion) with screw complete all as specified and directed.

S&F for bottom wooden leg as per existing size with screw complete all as specified and directed.

Taking down wooden/ steel chowkhats/ door/ window frame including shutter (without taking off shutter) exc.1.5 Sqm but n exc 4 sq m each and removing to or from store complete all as specified and directed.

Taking down wooden/ steel chowkhats/ door/ window frame including shutter (without taking off shutter) not exc.1.5 Sqm each and removing to or from store complete all as specified and directed.

S&F for 30 mm thick flush shutters, solid core construction, with block board core and plywood face panels, commercial type on both sides complete all as specified and directed.

S&F for 30 mm thick 2nd class hard wood glazed and skeleton shutters, open rebated and prepared to receive glass, gauze, etc. (without sash bars), edges of framing plain, chamfered or rounded. fitted with cut and mitred beads for securing glass, etc.; sizes of members of shutters as specified in SSR Part I, Section 8, clause 8.24 (a); supplied and fitted to chowkats complete all as specified and directed.

S&F for 2nd class hardwood plain, solid, straight chowkats and frames, wrought, framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints, complete all as specified and directed.

M&L for preparation of new wooden surfaces of any description, not otherwise described oer 10cm width or girth and application of two coats of synthetic enamel paint over one coat of pink primer complete all as specified and directed.

S&F for Solid PVC door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with M.S. Square tube, suppling & fixing in opening as per specification & drawing and complete all as specified and directed.

S&F for factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails. M.S. frame shall be covered with heat moulded plain colour PVC ‘C’ channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets 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 M.S. frame welded / sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement, suppling & fixing in the frame at site as per specification & drawing and complete all as specified and directed.

S&F for 100 mm MS Butt hinges, medium weight, cold rolled mild steel, and fixed complete all as specified and directed.

S&F for 150 mm long extruded aluminium alloy handles, fabricated type, anodised complete all as specified and directed.

S&F for 125 mm long extruded aluminium alloy handles, fabricated type, anodised complete all as specified and directed.

S&F for 150 mm long aluminium anodised barrel tower bolts of extruded section complete all as specified and as directed.

S&F for 100 mm long aluminium anodised barrel tower bolts of extruded section complete all as specified and as directed.

S&F for 300 mm long aluminium alloy, anodised sliding door bolt with hasp, staple (bolt type) and fixing clip of sheet,cast or extruded section and fixing bolt of extruded section or cast aluminium alloy and fixed complete all as specified and as directed.

S&F for 140 mm long Floor door stopper of brass body and tongue with hard drawn steel spring , fixed in floor complete all as specified and directed.

S&F for Aluminium anodised (powder coated) Three track sliding window frame with shutters with (2 nos glazed and one wire gauzed shutter) including all necessary joining cleats, hold fast, rubber gasket, snap beading and locking arrangements fixed with screws to wall etc. complete with glazing and including 5 mm thick tinted glass to aluminium frame work using rubber gasket and including stainless steel wire cloth of 0.36 mm dia & average width of aperture 1.40mm with staple or suitable fillets wire mesh fitted with screws and washers including deco aluminium grill with the following section of frame and shutter:- (A) Sections for shutter :- (i) 'Vertical' section 38 x 20 x 1.50 mm thick. (ii) 'Interlock' section 38 x 20x 1.50 mm thick. (iii) 'Top/ Bottom' section 41 x 20 x 1.50 mm thick. (B) Section for frame :- (i) Top & Sides 92.36 x 29.70 x 1.60 mm thick. (ii) Bottom 92.36 x 29.70 x 1.60 mm thick complete all as specified and directed.

S&F in repairs mild steel framed work such as grills, gratings, etc., with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors, angle iron chowkhats; ladders; framed balusters; walk ways; railings; frame work of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed. .

S&F for vitreous China wash down water closet pan ( pedestal pattern) incl PVC seat cover , (excluding fixing bolts, flushing cistern and flush pipe) , including connection to drain ( or outgoing pipe) and to flushing pipe etc. complete complete all as specified and directed.

S&F in repair for PVC valveless, symphonic action type low level flushing cistern white with inlet ball valve, float and handle including brackets, 10 ltr capacity complete with flush pipe (Long bend) 32 mm dia and complete all as specified and directed.

S&F in repairs for white Plastic water closet seat cover, closed pattern with flat bottom, and mild steel chromium plated or aluminised hinging device complete all as specified and directed.

S&F in repair for CP tubular towel rail 600 mm long 20 mm dai complete all as specified and directed.

S&F in repair 20 mm Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

S&F for Vitreous china squatting pan of orissa patern size (580 mm x 440 mm) white with integral foot rest (excluding flushing cistern and flush pipe) complete all as specified and directed.

S&F in repairs 15 mm Dia CP Bib taps (Two-in-one), fancy type with crutch handle, screwed down, screwed for iron pipe or for brass ferrule and fixed complete all as specified and directed.

S&F in repairs Health Faucet mild steel chromium plated suitable for 15 mm dai pipe with 1.25 mtr long flexible tube and wall hook including making connections and fixed in position complete all as specified and directed.

supply only white cement in bags of 25 Kgs packing complete all as specified and directed.

S&F in repair 15 mm dia bib tap standard of PTMT any colour high pressure screwed for iron pipe and fixed. (Minimum weight 15mm-90gms/20mm-125gms) complete all as specified and directed.

S&F in repair 15 mm dia bib tap cast copper alloy chromium plated with capstan head handle, screwed down high pressure screwed for iron pipe or for brass ferrule complete all as specified and directed.

S&F in repairs 15mm dia fancy type Pillar taps, cast copper alloy, with capstan heads, chromium plated, screwed down high pressure, with or without lettered 'Hot' or 'Cold' with long screwed shanks and fly-nuts, screwed for iron pipe and fixed complete all as specified and directed.

S&F in repair 15 mm 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.

S&F in repairs 15 mm dia stop valve cast copper alloy chromium plated with capstan head handle, screwed down high pressure screwed for iron pipe or for brass ferrule complete all as specified and directed.

S&F in repairs 15mm dia angle valve, chromium plated, screwed down high pressure, with crutch or butterfly handle screwed both ends for iron pipe on for unions, complete all as specified and directed.

S&F for PVC (SWR) gully trap 125/110 mm,setting and jointing with solvent cement complete all as specified and directed.

S&F in repairs 110 mm bore PVC (SWR) Pipes single socket, complete all as specified and directed.

All as per item No 60 here in before but 75mm bore and complete all as specified and directed.

S&F in repairs PVC bend/tee suitable for 110mm bore pipe complete all as directed.

All as per item No 62 here in before but 75mm bore complete all as specified and as directed.

Dismantling of floor, hearth or wall tiling including cement mortor bedding (but not backing removing serviceable to store and rubbish off the premises complete all as specified and directed.

M&L for Glazed ceramic colour tiles in vertical surface of size (450 mm x 300 mm x 7 mm) thick set and jointed in neat cement slurry and pointed in white or coloured cement to match over 10mm thick cement plaster in cement mortar (1:4) complete all as specified and directed.

M&L for Non-skid ceramic tiles 7 to 8 mm thick (square/ rectagular) area of each tile exceeding 0.11 sq m but not exceeding 0.18 sqm , in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match incl 15mm thick screed bed or bedding layer in cement mortar (1:6) complete all as specified and directed.

M&L for Non-skid ceramic tiles 7 to 8 mm thick (square/ rectagular) 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 15 mm thick screed bed or bedding layer in cement mortar (1:6) complete all as specified and directed.

M&L in repair rotational moulded polythylene water storage tanks 500 litres capacity (cylindrical vertical with closed top) hoisted and fixed in position complete all as specified including 20 mm brass valve high pressure with polythene float and fly nut complete and GI tank nipple, screwd for iron pipe complete all as specified and directed.

All as per iten No 68 here in before but 1000 ltr capacity complete all as specified and directed.

Cutting chases, pinning in, making good to facings where required and pointing in cement mortar (1:3 to ends or edges of landings, steps, cills, sunshades,) shelves, lintels, etc.; and cutting chases for concealed water tubing etc., and making good, cutting not exc 10 cm girth and complete all as specified and directed.

Taking up or down 20 mm bore steel water tubing and connections, including cleaning for removal to store (GI Pipe) complete all as specified and directed.

Taking up or down 25 mm bore steel water tubing and connections,including cleaning for removal to store (GI Pipe) complete all as specified and directed.

S&L for 20 mm bore (Outer dia) CPVC pipes of SDR 11and plain CPVC SDR 11 fitting fixed on wall or floor (concealed ), ceiling or laying in floors complete all as specified and directed.

S&L for 25 mm bore (Outer dia) CPVC pipes of SDR 13.5 and plain CPVC SDR 11 fitting fixed on wall or floor, ceiling or laying in floors complete all as specified and directed.

S&F for 20 mm bore CPVC Male Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

S&F for 25 mm bore CPVC Male Brass Threaded Adaptor (MTA/ MBTA) complete all as specified and directed.

S&F for 20 mm bore CPVC Female Brass Threaded Adaptor (FTA/ FBTA) complete all as specified and as directed.

S&F for 25 mm bore CPVC Female Brass Threaded Adaptor (FTA/ FBTA) complete all as specified and as directed.

S&F in repairs PVC connections 15mm size with PTMT nuts of length 600mm complete all as specified and directed.

S&F in repairs 32 mm PVC waste pipe 900 mm long with complete all as specified and directed.

S&F in repair for sinks with drainage board made of stainless steel 1 mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipe overall size (915 mm x 460 mm) bowl size (410 mm x 330 mm x160 mm) complete all as specified and directed.

S&F in repair for sinks made of stainless steel 1 mm thick kitchen or laboratory with plugs, washers and wastes including bedding in cement mortar on to dwarf wall or including fixing cantilever brackets and connecting union to pipe, overall size (495 mm x 420 mm) bowl size (410 mm x 330 mm x 160 mm) complete all as specified and directed.

S&F for Vitreous China wash basin, angle back, size 600x480mm white, excluding taps, waste, chain and plug and porcelain stopper but including brackets complete all as specified and directed.

Taking down cement plaster on brick or stone wall surfaces including glazed tiles wherever exists including raking out joints, hacking for key and scrubbing down with water complete all as specified and directed.

M&L for 5 mm thick plastering on ceiling surfaces in cement mortar (1:3) surface finished even and fair complete all as specified and directed.

M&L for 20 mm thick (in two layer) plastering on fair face of Brick surface with cement mortar (1:4) mixed with water proof compound finish surface even and smooth with out using extra cement complete all as specified and directed.

M&L for 15 mm thick cement plaster with cement mortar (1:6) on other than fare face of brick wall finish even and smooth without using extra cement complete all as specified and directed.

M&L for preparing new decorated plastered or unplastered surfaces of ceiling, pillasters, cornices etc and applying coat of 2 mm thick wall care putty with two coats acrylic distemper complete all as specified and directed.

M&L for three coats of white wash on new decorated surface ceiling incl prepartion complete all as specified and directed.

M&L for two coats cement base paint over a coat of primer on newly plastered surface including preparation of surface, complete all as specified and directed.

M&L for one coat of cement base paint (white or coloured as per site reqmt) on old decorated surface of external walls incl preparation to remove all foreign materials incl necessary arrandement for working platform complete all as specified and directed . Note : No separate payment shall be made for colour of distemper where required or directed. Cost is included in unit rate.

M&L for complete removal of existing treatment of old decorated wall surfaces etc complete all as specified and directed.

M&L for 1mm thick wall care putty on old decorated walls surfaces complete all as specified and directed.

M&L for old decorated walls applying two coat of acrylic oil emulsion distemper complete all as specified and directed.

M&L for applying one coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm overcomplete all as specified and directed.

M&L for preparation of plastered and unplastered surfaces of old decorated walls, applying one coat of acrylic oil emulsion distemper complete all as specified and directed.

M&L for one coat of white wash on old decorated surface of ceiling incl preparation complete all as specified and directed.

M&L for one coat of synthetic enamelled paint on old decorated wooden surface exc 10 cm width or girth including preparation complete all as specified and directed.

M&L for one coat of synthetic enamelled paint on old decorated Steel surface exc 10 cm width or girth including preparation complete all as specified and as directed. Note for item No. 1 to 99 :- The work to be carried out upto and including 12th floor. The rates quoted shall be inclusive of necessary scaffolding and safety measures of labours engaged in the work as per MES safety code of IAFW-2249”

DIPAK ENTERPRISE (BID ID -3331539)

GAYATRI ENTERPRISE (BID ID -3332458)

NICE INFOTECH (BID ID -3330822)

A S ENTERPRISE (BID ID -3329992)

R.R.ENTERPRISE (BID ID -3329830)

KAMAKHYA TRADERS (BID ID -3333155)

M/S AVIJEET INTERNATIONAL (BID ID -3333081)

AUTO ELECTRICALS (BID ID -3333115)