REPAIRS AND MAINTENANCE OF INTERNAL AND EXTERNAL BR NATURE WORKS, SUCH AS PLASTER, TILES, JOINERY WORKS, SANITARY AND PLUMBING WORKS AT HQ 4EW BDE BAGJOLA UNDER GE(N) KOLKATA

Amount

Taking up or down 15mm dia steel tubing and connections, segregating serviceable pipe for reuse complete all as specified and as directed.

Supply and fix 15mm bore medium grade galvanized steel tubes with all fittings and fixed to wall or laid in floors etc complete all as specified and as directed.

All as per item No. 2 above but fixing only complete all as specified and directed. Note: Serviceable GI pipe obtained from item No. 1 above shall be reused after cleaning.

Taking down chowkahts or frames with shutters (without taking off shutters from the frame) not exceeding 1.5 Sqm each complete all as specified and as directed.

Taking down chowkahts or frames with shutters (without taking off shutters from the frame) exceeding 1.5 Sqm but not exceeding 4 Sqm each complete all as specified and as directed.

Supply and fix 2nd class hard wood , plain, solid , straight chowkhats and frames, wrought, framed, rebated on the solid rounded or chamfered put together with glue pinned at joints complete all as specified and as directed.

Materials and labour for treating back of chowkhats etc with tar or coal tar black paint, area tarred exceeding 0.10 sqm but not exceeding 0.50 sqm each complete all as specified and as directed.

Supply and fix 35mm thick 2nd class hard wood factory made plain framed panelled door shutters, (two panel) with lock rail and panel of 12mm veneered particle board with commercial veneered on both faces and rail and stiles as per IS 1003(Pt-I), kiln seasoned and chemically pressure treated etc. complete all as specified and as directed.

Supply and fix 35mm thick 2nd class Hard wood factory made glazed and skeleton door shutters, open rebated and prepared to received glass/gauge etc (without sash bars) edges of framing plain, chamfered or rounded and mitred , beads for securing glass etc the size of member of shutter as specified in SSR Part-I, clause 8.24 (a) complete all as specified and as directed.

Supply and fix solid PVC door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with M.S. Square tube with EPDM gasket as per specification and drawing complete all as specified and as directed.

Supply and fix 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, as per specification and drawing complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C1 (using 20mm graded stone aggregate) for fixing of hold fasts block and similar work including necessary form work complete all as specified and as directed.

Supply and fix mild steel work as in hold fast or similar article conforming to Fe-410-0 or Fe-310-0 including tarring and sanding complete all as specified and as directed.

Supply and fix 100 mm size stainless steel butt hinges, medium weight fixed with cadmium plated screws complete all as specified and as directed.

Supply and fix 100 mm size butt hinges, medium weight, cold rolled mild steel (ISI marked) complete all as specified and as directed.

Supply and fix 300mm 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 complete all as specified and as directed.

Supply and fix 150mm long aluminium anodised, barrel tower bolts of extruded section and fixed complete all as specified and as directed.

Supply and fix 150mm size extruded aluminum alloy handle fabricated type anodized (ISI Marked) complete all as specified and as directed.

Supply and fix in repair rolled mild steel Fe-410-w (grade E-250) quality A framed work such as grills, gratings, etc. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars and similar work complete all as specified and as directed.

Supply and fix stainless steel wire cloth of 0.36 mm nominal dia of wire and averaging of width of aperture 1.40mm, fixed with stainless steel wire staples complete all as specified and as directed.

Supply and fix in repairs stainless steel wire cloth of 0.36 mm nominal dia of wire and averaging of width of aperture 1.40mm, fixed with stainless steel wire staples complete all as specified and as directed.

Material and labour for two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to new steel surface including preparation of surfaces exceeding 10cm with or girth complete all as specified and as directed.

Material and labour for two coats of synthetic enamel paint over a coat of pink primer to new wooden surfaces of any description over 10cm width or girth including preparation of new surfaces complete all as specified and as directed.

Supply and fix aluminium powder coated glazed or gauged shutter for sliding window(2 or 3 track) with aluminium channel section weighing not less than 0.55 kg per sqm including aluminium channel, including all necessary fittings such as rollar, joining cleats, glazing clips, rubber packing aluminium screw as required etc complete all as specified and as directed. (Note:Wiremess/ glass shall be measured and paid separately)

Supply and fix powder coated aluminium frame for doors, windows, ventilators(including 2/3 track) with one or more rebates including joining cleat for fixing etc complete all as specified and directed.

Supply and fix 4mm thick sheet glass ordinary quality, glazing with aluminium beads in square/rectangular exceeding 0.5 Sqm in each pane fixed to aluminium frame complete all as specified and as directed.

Supply and fix in repair 25mm dia powder coated aluminium curtain rod fancy type( length from 0.90m to 1.5m)with fancy type end side brackets and fancy type hanging brackets complete all as specified and as directed.

Supply and fix in repair bib taps of 15mm bore fancy type, chromium plated cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for brass ferrule complete all as specified and as directed.

Supply and fix in repair angular stop cock of 15mm bore fancy type, chromium plated cast copper alloy, screwed down, high pressure, with crutch handle, screwed both ends for brass ferrule complete all as specified and as directed.

Supply and fix in repair pillar cock of 15mm bore, cast copper alloy with capstan heads fancy type, chromium plated screwed down, high pressure, with long screwed shanks and fly-nuts, screwed for iron pipe and fixed complete all as specified and as directed.

Supply and fix in repair 15mm dia Stop valve of PTMT any colour high pressure screwed for iron pipe and fixed (Minimum weight 90gms) complete all as specified and as directed.

Supply and fix in repair 15mm bore Bib tap (Minimum weight 90gms) standard of PTMT any colour high pressure screwed for iron pipe complete all as specified and as directed.

Supply and fix in repair 10 litre capacity PVC valve less, symphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe of polyethylene of low or high density or PVC. 32 mm dia, for low level cistern including PVC connections 15mm size with PTMT nuts and washer both side of length 450mm complete all as specified and as directed.

Supply and fix health faucet (ABS body) with 8mm dia 1 meter long flexible tube and wall hook for fixing in 15 mm dia pipe complete all as specified and as directed.

Supply and fix in repair chromium plated two ways bib cock with wall flange for fixing in 15 mm dia pipe complete all as specified and as directed.

Supply and fix in repair chromium plated wall mixer with connecting legs,for fixing in 15 mm dia pipe complete all as specified and directed.

Supply and fix in repair chromium plated mixer with connecting legs,for fixing in 15 mm dia pipes over wash hand basin complete all as specified and directed.

Supply and fix in repair chromium plated shower arm 400x25x25mm square shape for wall mounted shower with flange for fixing in 15mm dia pipe complete all as specified and as directed.

Supply and fix in repair chromium plated shower 105mm dia round shape single flow with air effect (ABS body and face plate chrome plated with rubit cleaning system) for fixing in 15 mm dia pipe complete all as specified and as directed.

Supply and fix glass shelf 600mm long with CP railings at sides complete all as specified and as directed.

Suply and fix in repairs stainless steel sink with drainage board made out of 1.00 mm thick sheet for kitchen with plug washers, waste pipe including bedding in cement mortar on dwarf wall or including cast iron cantiliver brackets connecting union overall size 915 X 460 mm with bowl size 405x355x178mm or 410x357x178mm complete all as specified and as directed.

Supply and fix in repair vitreous China squatting pan, ‘Orissa’ pattern, size 580 x 440 mm white, with integral foot rests including 'P'or 'S' trap (excluding flushing cistern and flush pipe) including provision of lime concrete bedding complete all as specified and as directed.

Supply and fix in repair Vitreous china EWC 'P' or 'S' Trap of size 400x365x540mm, white including Plastic water closet seat, white closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device suitable for EWC (excl flushing cistern and flush pipe) complete all as specified and as directed.

Supply and fix in repairs vitreous China wash basin white flat back, size 630 x 400 mm including PTMT waste coupling 32mm dia (min wt 45 gm), 15mm bore PTMT pillar tap,chain and plug and porcelain stopper etc. complete all as specified and as directed.

S & F in repairs Rotational moulded polyethylene water storage tanks (multilayer cylinderical vertical with closed top) 1000 Ltr Capacity, hoisted and fixed in position all as specified including dismantling existing water tank complete all as specified & directed.

All as per item No. 45 above but 500 Ltr capacity complete all as specified & directed.

Dismantling of old unserviceable floor, hearth or wall tiling including cement mortar bedding (but not backing and rubbish off the premises complete all as specified and as directed

Material and labour for Light shade Vitrified tiles 8 to 10mm thick (square/rectangular) polished, area of each tiles exc. 0.18 sqm but n.exc. 0.36 sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for Light shade Vitrified tiles 8 to10mm thick (square/rectangular) polished, area of each tiles exc. 0.18 sqm but n.exc. 0.36 sqm in skirting etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM (1:4) complete all as specified and as directed.

Material and labour for Non-skid ceramic coloured tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but n.exc. 0.18 sqm as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles over and including 15mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for glazed ceramic colour tiles (450x300) x7mm thick in skirting/dados etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM(1:4) complete all as specified and as directed.

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

Material and labour for 75mm thick PCC type D2 (1:4:8) using 40mm garded stone aggragate as in , sub-base of floors etc complete all as specified and as directed.

Demolition of brickwork built in cement mortar including all quoins, arches, pillars etc. complete all as specified and as directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan to any radius in half brick thick walls built in cement mortar (1:4) complete all as specified and as directed

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

Material and labour for rendering 15mm thick in cement mortar (1:6) on fair faces of brickwork or concrete surfaces, finishing the surface even and smooth without using extra cement complete all as specified and as directed.

Material and labour for rendering 5mm thick in CM (1:3) on ceiling, finished the surface even and smooth without using extra cement complete all as specified and as directed.

Material and labour for complete removal of existing treatment from old plastered surfaces of wall and ceiling by Vaccume based sanding machine, removal of nails etc & filling cracks/hole with putty, applying wall care putty upto 1mm thick as required ( Multipurpose mixer shall be used for uniform and proper mixing of putty) and applying two coats of emulsion distemepr white or coloured by Auto Roller over a coat of primer and complete all as specified and as directed as per manufacturers instructions.

Material and labour for 40mm thick PCC (1:2:4) type B1 (using 20mm graded stone aggregate) as in floors finished even and smooth without using extra cement complete all as specified and as directed.

Dismantling wall and ceiling board ( fibre, pulp, insulation etc.) or insulation boards/slabs/blankets, any thickness, including cover fillets etc. complete all as specified and directed.

Supply and fix Anodised aluminium snap grid frame work size of grid 605mmx605mm for false ceiling including GI hangers 2mm dia GI wire (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40x3mm size 60mm long and expansion hold fasteners 12.5mm dia 40mm long complete all as specified and as per manufacturers instruction complete all as specified and directed.

Supply and fix of 6mm thick high pressure steam cured non asbestos fibre cement designer ceiling board of size to suit grid mould (605 x 605mm as specified above) and fix in grid mould with necessary fixing arrangement as per manufacturer’s instruction complete all as specified and directed.

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

Supply and fix 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 complete all as specified and as directed.

Dismantling Asbestos cement / Transluscent ( Corrugated , semicorrugated etc.) sheets as in Roof covering , wall , ridge , hips valleys and flashings etc for the building structures not exceeding 10 m height from the average ground level complete all as specified and as directed.

Supply and fix 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.

Supply and fix 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.

Material and labour for (300x300)x25 mm thick PCC designer Pre-polished tiles (Factory make and approved size) as in floors, set & jointed in neat cement slurry and pointed in coloured cement with pigment over and including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Materials and labour for 75mm thick PCC (1:3:6) type C2 (using 40 mm graded stone aggregate) as in pavement/plinth protection , laid in bays and joints shall be filled up with bituminous gola with 80/25 bitumen ( 1 part of bitumen to be mixed with 3 part of sand and finished the surface fair and even complete all as specified & directed.

M&L for 20mm thick Granite(of any type)work(table rubbed and polished) in steps, jambs,pillars,window -cills, cooking plateforms and like in cement mortar(1:4) including pointing in white cement(1:2) using marble dust with admixture of pigment to match with shade of granite ,complete all as specified and directed.

Friends Trading Co (BID ID -3295951)

M/S MAHENDRALALL DUTTA (BID ID -3293068)

SENCO (BID ID -3293034)

Bansal And Co (BID ID -3294770)

M/s Anil Kumar Dutta (BID ID -3294968)

RBS Builders (BID ID -3294215)

SHRI MILAN CHANDRA DAS (BID ID -3293709)

RADHA ENTERPRISE (BID ID -3292962)