REPAIR AND MAINTENANCE OF BR NATURE OF WORK IN OTM AND OFFICE BLDG IN STN HQ, MES AND CENTRAL AMENITIES AT KANKINARA MIL STN UNDER GE (NORTH) KOLKATA

Amount

Dismantling 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 stone/brick pattern ceramic colour tiles (450x350) x 7mm thick in vertical surface etc, set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of 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 tiles exceeding 0.11 sqm but not 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 directed.

Material and labour for light shade vitrified tiles 1200 x 600mm x 8 to 10mm thick (square/rectangular) polished, as in floor set and jointed in neat cement slurry & pointed in white cement and pigment to match the colour of tiles over and including 15mm thick screed bed in cement mortar (1:6) complete as specified and directed.

Material and labour for glazed ceramic coloured 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 directed.

Material and labour for glazed ceramic colour tiles (1200x600 mm) x7mm thick in vertical surface etc set and jointed with adhesive as per manufacturer's instruction and pointed in white or coloured cement to match the colour tiles 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 n.exc. 0.36 of each tile in floor set and jointed in neat cement slurry & pointed in white cement and pigment to match the colour of tiles over and including 15mm thick screed bed in cement mortar (1:6) complete as specified and directed.

Material and labour for light shade vitrified tiles 8 to 10mm thick (square/rectangular) polished, area of each tiles 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.

Supply and fix in repair Vitreous china wash down water closet pan, one piece EWC, including plastic water closet seat, white closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device suitable for pan complete all as specified and as directed. (Make :Cat no-A1014110(CERA) or equivalent).

Supply and fix in repair Vitreous china wash down water closet pan, EWC, including plastic water closet seat, white closed pattern with flat bottom & cover and mild steel chromium plated or aluminised hinging device suitable for pan complete all as specified and as directed.

Supply and fix in repairs vitreous china wash basin white flat back, including PTMT waste coupling 32mm dia (min wt 45 gm), chain and plug and porcelain stopper, connection pipe, waste pipe, pedestal etc. complete all as specified and as directed. Make : Cat no-A2040104(basin),A2090102(Pedestal) of CERA or Cat no-91075 (Hindware) or equivalent.

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

Supply and fix in repairs Vitreous China urinals, bowl type (back or corner wall type), complete including providing and fixing plugs, bedding urinal against wall in cement mortar 1:2, securing urinal to plugs with and including 60mm long brass screws, pointing around urinal back in cement; fixing automatic flushing cistern with brackets, flush pipe, grating and Union for discharge pipe. (Exclusive of fixing supply pipe to flushing cistern, trap and waste pipe) complete all as specified and as directed.

Supply and fix in repair brass chromium plated tubular towel rail , 20 mm dia, D type, 600mm long between flange fixed with chromium plated brass screws complete all as specified & directed.

Supply and fix in repair soap dish, SS approximate size 160x160x90mm and fixed in position omplete all as specified & directed.

Supply and fix in repair glass corner rack 225mm x 225mm fixed in position omplete all as specified & directed.

Supply and fix in repair quarter turn pillar cock, 15mm, chromium plated complete all as specified and as directed.(Make:Cat no-G1017101 (CERA) or equivalent as specified in PS).

Taking down of existing aluminium door carefully from the existing frame and repair the same for smooth operation/movement, including replacing of door handle,aluminium hinge, rubber bead etc and refixing in the same location after repairing all components complete all as specified and directed. (Area of door not exc 4.00 Sqm)

Taking down chowkats frames with single or double shutter (without taking off shutter from the frame) exc 1.50 and not exc. 4.00 Sqm in each complete all as specified and directed.

Taking down chowkats frames with single or double shutter (without taking off shutter from the frame) n. exc 1.50 Sqm in each complete all as specified and directed.

Taking down shutters only of any description exc 1.0 sqm and n exc 2.0 Sqm each opening complete all as specified & directed.

Material and labour for 2nd class hardwood in plain, solid, straight chowkats and frames, wrought, framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints and fixed including hold fast and PCC 1:3:6 for filling complete all as specified and as directed .

Supply and fix 35mm thick 2nd class hard wood factory made plain framed panelled door shutters, (single panel) without 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. including 3 nos 100 mm SS hinge, 2 nos 150 mm aluminium tower bolt, 2 nos 150 mm aluminium handle complete all as specified and as directed.

Supply and fix 35 mm thick, glazed/skeleton shutters with second class hard wood,open rebated and prepared to receive glass, gauze, etc (without sash bars) edges of framing plain, chamfered or rounded, fitted with cut mitred beads for securing glass, etc, Sizes of members of shutters as specified in SSR Part I, Section -8, clause 8.24 (a) including 3 nos 100 mm SS hinge, 2 nos 150 mm aluminium tower bolt, 2 nos 150 mm aluminium handle, SS wire mesh etc complete all as specified and directed.

Supply and fixing factory made uPVC white colour Three track three panels sliding window with fly proof S.S wire mesh (Two nos. glazed & one no. wire mesh panels) upto 1.50m height made of (big series) frame 116 x 45 mm & sash 46 x 62 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead /double glazing bead of appropriate dimension. (Area of window above 1.75 sqm) comprising of uPVC multichambered frame, with inbuilt roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, complete all as specified and directed. (Note: The unit rate quoted by contractor includes cost of 3.50 mm thick glass and includes all other connected accessories. Net Opening shall be measured for payment purpose.)

Supply and fixing Solid PVC Wall Lining consisting of 5 mm thick decorative type colour PVC sheet inclusive of solvent cement and fixing at site with and including PVC frame as per specifications after dismantling old wall panelling (fibre, pulp, insulation,glass etc) any thickness including cover fillets 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, suppling & fixing complete all as specified and as directed.

S & F 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 including 3 nos 100 mm SS hinge, 2 nos 150 mm aluminium tower bolt, 2 nos 150 mm aluminium handle complete all as specified and as directed.

S &F in repair of aluminium door frame and shutter single leaf panelled door partly glazed and partly ACP board door shutter divided into two panels fabricated including aluminium anodised snap beading and rubber gasket/lining for fixing of glass and ACP board panel. The door frame shall be fixed aluminium anodised bolt by drilling in the existing wall and with thrust bolt of suitable size.The door frame and shutter shall be comprising of the following section and fittings complete all as specified and as directed. (a) Aluminium anodised door frame section 101.6x44.5x1.27 mm (b) Aluminium anodised styles of shutter section 85x44.5x1.56 mm (c) Aluminium anodised top & bottom rail of shutter section 101.6x44.5x2.5 mm (d) Aluminium anodised middle/lock rail of shutter section 100x44.45x2 mm (e) Aluminium anodised handle 250 mm long 02 Nos in each shutter (f) Hydraulic door closer/floor spring-1 No (g) Six lever mortice lock brass. (h) 04 Nos aluminium butt hinges 100mm long (i) 2 mm thick ACP board. (j) 3.50 mm thick glass. (Note: In case of two leaf each leaf shall be measured seperately.)

Supply and fix 3 track sliding aluminium window with frame section size 92 mm x 31.75 mm x1.05 mm anodized 2 nos glazed shutter for sliding window with aluminium channel section weighning not less than 0.55 Kg per Rm including 4 mm thick one side glass aluminium cleat, roller rubber neoprene packing/gusket etc and 1 no aluminium anodized wire mesh shutter for sliding window with aluminium channel section weighning not less than 0.55 Kg per rm including stainless steel wire cloth of 0.36 mm nominal dia of wire and average width of aperature 1.40 mm aluminium cleat,roller rubber neoprene packing/gusket complete all as specified and as directed.

Supply and fix 2 track sliding aluminium window with frame section size 61.85 mm x 31.75 mm x 1.00 mm anodized 2 nos glazed shutter for sliding window with aluminium channel section weighning not less than 0.55 Kg per Rm including 4 mm thick one side glass aluminium cleat,roller rubber neoprene packing/gusket etc complete all as specified and as directed.

Supply and fix aluminium louver with frame section size 63.5 mm x 38.10 mm x 0.92 mm anodized with 2 no movable blade with section weighning not less than 0.55 Kg per Rm including 4 mm thick foggy glass aluminium cleat, roller rubber neoprene packing/gusket etc complete all as specified and as directed.

Supply and fix aluminium designed grill for windows including jointing cleat for fixing etc complete all as specified and as directed

Supply and fix in repairs 4.0 mm thick sheet glass ordinary quality and glazing with oil putty in square n. exc 0.50 sqm in each pane, complete all as specified and as directed.

Supply and fix in repairs 4.0 mm thick sheet glass ordinary quality and glazing with oil putty in square exc 0.50 sqm in each pane, complete all as specified and as directed.

Supply and fix in repair Stainless steel wire cloth of 0.36 mm nominal dia of wire and average width of aperature 1.40 mm fixed with stainless steel wire staples complete all as specified and as directed.

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

Supply and fix anodised aluminium snap grid frame work(size of 605x605mm) for false ceiling including suspenders/hangers 2 mm dia GI wire(upto 1200mm length) adjusting level fixed to roof shads by means of ceiling cleats made out of GI flat 40x3 mm size 60mm long and expansio hold fasteners 12.5mm dia 40mm long complete all as specified as per manufacturers instructions.

Supply and fix of 4 mm thick high pressure steam cured non- asbestos fibre cement designer ceiling board of size grid mould(605x605mmas specified above) and fix in grid mould with necessary fixing arrangement complete all as specified and as directed (Make: Everest/Rhino/charminar)

Supply and fix in repair curtain rod(SS) and fancy type bracket pair complete all as specified and as directed .

Supply and fix in repairs 15mm bib cock fancy type chromium plated cast copper alloy complete all as specified and as directed.

Supply and fix in repairs two in one,15mm, bib cock fancy type chromium plated cast copper alloy complete all as specified and as directed.

Supply and fix in repair stop cock 15mm bore fancy type, chromium plated with long shank and cup concealed type 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 repairs 15mm stop cock fancy type chromium plated cast copper alloy complete all as specified and as directed.

Supply and fix in repair wall mixer, 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. Make: Cat no-F1018401BA(CERA) or equivalent.

Supply and fix in repairs 15mm sink cock, fancy type chromium plated cast copper alloy complete all as specified and as directed. (Make :CERA,Cat no-F1018251BA or equivalent make as specified in PS)

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 brass nuts and washer both side of length 450mm complete all as specified and as directed.

Supply and fix CP health faucet with SS pipe complete all as specified and as directed.

Supply and fix steel tubes, galvanised 15 mm bore, medium grade with all fittings & fixed complete to wall and ceiling or laid in floors etc after taking up or down 15mm dia steel tubing & connection including cleaning for refixing or removal to store complete as specified and directed .

Supply and fix steel tubes, galvanised 20 mm bore, medium grade with all fittings & fixed complete to wall and ceiling or laid in floors etc after taking up or down 20mm dia steel tubing & connection including cleaning for refixing or removal to store complete as specified and directed .

Supply and fix 500 litres capacity rotational moulded polythene water storage tanks, multilayered(cylindrical vertical, with closed top), hoisted and fixed in position as specified in SSR Part I including dismantling water tanks exc 250 & n exc 500 ltr capacity including cover, float valve and removing from site complete all as specified and directed.

Supply and fix 1000 litres capacity rotational moulded polythene water storage tanks multilayered(cylindrical vertical, with closed top), hoisted and fixed in position as specified in SSR Part I including dismantling water tanks any capacity including cover, float valve and removing from site complete all as specified and directed.

Material and labour for applying one coat of synthetic enamel paint on old painted steel surface of any description over 10cm width or girth including preparation of old painted steel surfaces complete all as specified and directed.

Materials and Labour for 20 mm thick granite slab over 20 mm thick CM(1:6) cement screed bed, laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing and dismantling old one complete all as specified and directed.

Dismantling plain or corrugated asbestos sheet any gauge , thickness , including roof covering / wall etc for the building structures complete all as specified and as directed .

Supply and fix Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.5 mm 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 as directed .

Supply and fix Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.5mm thick of any colour having tensile strength of 550 Mpa as in Ridge, roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed .

M&L for hollow steel sections for structural use, designation CF, in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Circular,Square, Rectangular Hollow Sections), including distance pieces, cleats, angle iron,plate etc welding as required,incl dismantling old steel complete all as specified and directed.

M & L for preparation of new steel surfaces of any description not otherwise described over 10cm width or girth and applying two coats synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

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

S&F in repairs double action floor spring hydraulically regulated made up of minimum 1.25 mm thick aluminium alloy sheet foundation box,main body with stainless steel cover,governing pivot made of brass,other parts made of mild steel heavy duty and fixed complete all as specified and directed

M & L for 75mm thick plain cement concrete (1:2:4) type B-2 (using 40 mm graded aggregate) including demolition old PCC complete all as specified and directed.

M&L for Chequered cement concrete tiles 30cm x 30cm x 25mm thick, laid over 20 mm thick screed bed or bedding layer of mortar in CM (1:6) for laying floor finishes set, jointed with grey cement and pigment and pointed in neat cement slurry in floors including demolition old tiles complete all as specified and directed.

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

Materials and labour for rendering 20 mm thick cement plaster in cement mortar (1:4) in two layers, each 10mm thick, top layer mixed with integral water proofing liquid admixture as per manufacturers instruction on brick or concrete surfaces of wall, finished the surface fair and even complete all as specified and as directed (WPC shall be measured and paid separately).

Material and labour for applying two coats of 100% Premium acrylic emulsion paint on newly plastered surfaces of wall by spray machine after cleaning the surface by Vacuum based sanding machine, washing down etc 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 over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and as directed. Note : Guarantee of smart periodical shall be 5 (five) years from the date of completion of the work.

Material and labour for complete removal of existing treatment from old decorated plastered surfaces of wall by Vacuum based sanding machine, washing down, removal of nail etc & filling cracks/hole with putty, and applying two coats of 100% Premium acrylic emulsion paint by spray machine on plastered surface, 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 over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over old surfaces complete all as specified and as directed. Note : Guarantee of smart periodical shall be 5(five) years from the date of completion of the work.

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

Material and labour for preparation of newly plastered surfaces of wall by Vacuum based sanding machine , applying wall care putty 1 mm thick (Multipurpose mixer shall be used for uniform and proper mixing of putty) and applying two coats of emulsion distemper white or coloured by Auto Roller complete all as specified and as directed as per manufacturers instruction.

Material and labour for complete removal of existing treatment from old decorated plastered surfaces of wall by Vacuum based sanding machine, removal of nail etc & filling cracks/hole with putty,applying wall care putty 1mm thick (Multipurpose mixer shall be used for uniform and proper mixing of putty) and applying two coats of emulsion distemper white or coloured by Auto Roller including one coat primer complete all as specified and as directed as per manufacturers instruction.

M & L for providing and applying plaster of paris putty of 1 mm thickness to prepare the surface even and smooth complete all as specified and as directed .

Supply and fix in repair UPVC pipes 110 mm bore type 'A'single socketed in any length with rubber ring joint fixed to walls with and including PVC brackets complete all as specified & directed.

Supply and fix in repair UPVC bend/shoe 110mm bore complete all as specified and as directed.

Material and labour for Brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in built in cement mortar (1:6) including demoition of old brickwork complete all as specified and as directed.

Shubham Enterprise (BID ID -3354982)

N C DUTTA (BID ID -3355996)

M/S. RISING ENTERPRISE (BID ID -3355925)

B N ENTERPRISE (BID ID -3355600)

J.S. Construction (BID ID -3354597)

CHOWDHURY SMALL INDUSTRIES (BID ID -3356026)

MATRIX ENTERPRISE (BID ID -3352740)

S M ENTERPRISE (BID ID -3354204)