SPECIAL REPAIR TO BLDG NO. T-284 NEAR BRAVO MESS AND ALLIED WORK AND ROOF SHEETS FROM ASBESTOS TO GALVALUME AT VARIOUS LOCATIONS AT CIJW SCHOOL VAIRENGTE UNDER GE SILCHAR

Amount

EXCAVATION & EARTHWORK

Excavating in post holes (or similar holes) each not exceeding 0.5cum, returning, filling in, getting out in soft / loose soil and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm and removing surplus soil to a distance not exceeding 50m complete all as specified and as directed

B/R WORKS

Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 15cm thickness (below or above ground level) and removal of debris complete all as specified and as directed

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) and disposing off complete all as specified and as directed

Demolition of reed, lathing, single or double including battens and plaster or chiken wire lathing complete all as specified and as directed

Dismantling of timber scantling 40sqcm and over in section, in any position in unframed works complete all as specified and as directed

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

Dismantling of plain or corrugated steel sheeting, any gauge or any thickness in roof covering /wall cladding complete all as specified and as directed

Dismantling of asbestos cement( plain or corrugated) sheets, any gauge or any thickness in roof covering /wall cladding complete all as specified and as directed

Dismantling boarding of any description fixed in any position with nails/screws complete all as specified and as directed

Taking down cement or cement lime plaster, any description on brick or stone walls, etc. including raking out joints, hacking for keys, scubbing down with water, etc. including all necessary scaffolding as required and rubbishing off the premises, etc. complete all as specified and as directed

Demolition of brickwork or stone / boulder masonry, built in cement mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stonework and precast concrete articles and disposing off complete all as specified and as directed

Taking down chowkats or frames not exceeding 1.5sqm each with shutters (without taking off shutters from the frame), disposing off and making good the disturbed areas, portions and surfaces

Taking down chowkats or frames exceeding 1.5sqm but not exceeding 4.0sqm each with shutters (without taking off shutters from the frame), disposing off and making good the disturbed areas, portions and surfaces

Taking up/down PVC pipes 110/150mm of any pattern and from any locations and disposing off complete all as specified and as directed

S&F in position steel work in trusses, purlins, posts and the like using tubular/ square hollow sections including special shaped washer, etc. using ERW or induction butt welded tubes / SHS conforming to IS-1161-2014 / IS-4923-1997 grade St-240 complete all as specified and as directed

S&F 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, ladders, framed balusters, walk ways, railings, framework of water tanks and similar works conforming to Fe-290 grade E-165 complete all as specified and as directed

S&F screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed at both ends, each screwed end to be fitted with washers and one hexagonal or square nut, not exceeding 5cm in length, dia of neck & shank 11 to 15mm complete all as specified and as directed

S&F MS plates (plain or chequered) channels, square cut or notched (ordinay and counter sunk) forming holes, without any attachment of Fe 410W grade-E -250, quality 'B' complete all as specified and as directed

S&F bands, straps, hold fasts, wall ties, two way and three way straps, plate washers and similar articles of mild steel 25x5mm conforming to Fe-290 grade E-165 complete all as specified and as directed

M&L for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed

M&L for mild steel TMT bars grade Fe-500D, 6 to 8mm dia, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed

M&L for mild steel TMT bars 5mm dia and over upto and including 10mm dia as in stirrups, spacers and binders securing with clips complete all as specified and as directed

M&L for use and waste formwork to sides of concrete foundations, bases of columns, rafts, raft beams, plinth beams and similar works, vertical or to batter, for rough finished flat surfaces of concrete complete all as specified and as directed

M&L for formwork to sides of pillars, posts, struts, piers, columns and stanchions for rough finished surfaces complete all as specified and as directed

M&L for formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs not exceeding 200mm wide and sides of RCC/ PCC bands in walls, horizontal or sloping and similar work exceeding 100mm but not exceeding 200mm wide complete all as specified and as directed

M&L for brickwork with sub-class 'B' bricks, straight or curved on plan exceeding 6m mean radius built in CM (1:6) complete all as specified and as directed

M&L for brickwork with sub-class 'B' bricks, straight or curved on plan to any radius as in half brick thick walls built in CM (1:4) complete all as specified and as directed

M&L for 75mm thick plain cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregates) as in floors, plinth protection, pavings, etc. surface finished even and fair, laid in alternate bays/panels and joints filled with bituminous mix of 1 part bitumen and 3 part of sand complete all as specified and as directed

M&L for cement concrete 1:3:6 type C-1 (using 20mm graded stone aggregates) as in bed blocks, back filling of steel frame and holdfasts, etc. including necessary formwork complete all as specified and as directed

M&L for plain cement concrete 1:4:8 (type D-2) using 40mm graded stone aggregate as foundation filling, mass concrete, etc. complete all as specified and as directed

M&L RCC M 25 design mix as in foundations including rafts, footings, foundation beams, plinth beams, column footings, under reamed piles, mass concrete, etc. complete all as specified and as directed

M&L RCC M 25 design mix as in columns, pillars, posts, etc complete all as specified and as directed

M&L RCC M 25 design mix as in bands, beams, cantilevers, bressummers, lintels over 1.5m span complete all as specified and as directed

Notes for serial item Nos. 33 to 35: (a) Mix design shall be conforming to relevant IS. Design mix shall be got designed from National Test House, SEMT Wing CME, Regional Research labs, IITs, National Institutes of Technology, Command Test Laboratory and Govt Engineering Collage and shall be got approved by the GE. Cost of obtaining design mix shall be included in the quoted rates (b) The Contractor shall use only one type brand of cement for entire structural/reinforced concrete work. In the event of contractor desiring use of any different brand of cement, fresh design mix shall be carried out and submitted for approval without any extra cost to the Govt. (c) Reinforcement steel will be measured separately under respective items herein

M&L for plain cement concrete 1:2:4 (type B-1) using 20mm graded stone aggregate as in cill and other similar items etc. complete all as specified and as directed

M&L for preparation of masonry / concrete wall surfaces and applying 1mm thick wall care putty rubbed with sand paper for making surface smooth and even including all necessary staging, scaffolding, etc. as required to work at heights, etc. complete all as specified and as directed

M&L for preparation of masonry / concrete wall surfaces and applying 1mm thick weather proof wall care putty rubbed with sand paper for making surface smooth and even including all necessary staging, scaffolding, etc. as required to work at heights, etc. complete all as specified and as directed

M&L rendering 15mm thick, in cement mortar (1:4) on walls / concrete surfaces, etc. in two layers (10+5mm) finishing layer mixed with integral water proofing compound @3% by weight of cement, finished even and smooth without using extra cement complete all as specified and as directed Note: WPC will be measured and paid separately under respective item herein

M&L rendering 15mm thick, in cement mortar (1:6) on walls / concrete surfaces, etc. finished even and fair without using extra cement complete all as specified and as directed

Supply only integral water proofing compound all as specified

S&F 3 way sliding anodised aluminium glazed window shutter with frame with the following specifications complete all as specified and as directed. (a) Frame 95x25x1.5mm thick (b) 35x25x1.5mm Z section in stiles, rails (c) 35x35x1.5mm T section mullion (d) PVC gasket and with 4.0mm thick coloured glass pane one side mirror finished, area not exceeding 0.5sqm each with aluminium handles and necessary locking arangements (e) Stainless steel wire mesh for mosquito proofing arrangement all as directed

S&F 2 way sliding anodized aluminium glazed ventilator shutter with frame consists of following specification complete all as specified and as directed (a) Ventilator frame 2 track of size 60x25x1.5mm thick (b) Stiles and rails of size 35x25x1.5mm (c) 35x35x1.5mm T section mullion (d) PVC gasket with 4mm thick tinted glass, including aluminium handles with necessary locking arrangement

Notes for item Nos. 43 & 44: (a) Area of opening shall only be considered for meaurement purposes (b) All necessary accessories including tinted glass, PLPB, fittings, fixtures for assembling / fixing as per drawing complete shall be included in the quoted rate

S&F false ceiling with anodised aluminium snap grid frame work for false ceiling comprising of perimeter channel 0.55mm thick with 2Nos. unequal flanges of 20 & 30mm and web 27mm fixed to surrounding wall using nylon sleeves at 900mm c/c with GI cleat and steel expansion fasteners with and including ceiling section (not exceeding 1.2m in length) of 0.55mm thickness, having curled web of 50mm and flange 26mm each with lips of 10.5mm fixed to intermediate channel with connecting clips at 457mm c/c to 6mm dia GI hangers (1.2m long) adjusting level fixed to roof slabs by means of ceiling cleats made of GI flat 40x3mm, 60cm long and expansion hold fasteners 12.5mm dia 40mm long including 4mm thick pre-painted decorative non-asbestos fibre cement building boards fixed with screws / laid / inserted on snap grid complete all as specified and as directed

S&F 150mm extruded aluminum alloy handles, cast type, anodized complete all as specified and as directed

S&F 200mm long aluminum anodised barrel tower bolts of extruded section complete all as specified and as directed

S&F in repairs 300mm aluminium anodised sliding door bolt with hasp and staple, bolt type, with mild steel hinge pin including bolt to hinge plate and fixed with screws complete all as specified and as directed

M&L for forming construction joint 30mm deep x 10mm wide filled with sealing compound 'A' complete all as specified and as directed

S&F in repairs 20mm dia fancy type chromium coated (tint as approved) MS curtain / drapery rods, etc. of rod wall thickness 1mm (min), including pair of CP MS brackets, holders with funnel at ends complete all as specified and as directed

M&L for preparation of new masonry / concrete wall surfaces and applying two coats of acrylic distemper (tint as approved) over and including one coat of alkali resistant walll primer with all necessary staging, scaffolding, etc. as required complete all as specified and as directed

M&L for preparing of new steel / metal surfaces of any description over 10cm in width or girth and applying two coats of synthetic enamel paint (tint as approved) over a coat of red oxide zinc chrome primer complete all as specified and as directed

M&L for preparing of new wood / wood based surfaces of any description over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of pink primer, tint as approved complete all as specified and as directed

M&L for preparation of new plastered surfaces and applying two or more coats of 100% premium acrylic emulsion paint having VOC less than 50gm/litre and UV resistance as per IS 15489:2004, alkali & fungus resistant, dirt resistant, exterior paint (of approved tint, company depot tinted) with silicon additives @1.43litre/10sqm over a priming coat of exterior primer applied @0.90litre/10sqm complete all as specified and as directed

M&L for vitrified tiles, light shade, 10mm thick, joint free, edge cut, area of each tile exceeding 0.18sqm but not exceeding 0.36sqm, of superior quality on floors, etc. set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match the colour of tiles, laid over and including 15mm thick screed bed in CM (1:6) (rate shall be included) complete all as specified and as directed

M&L for glazed ceramic tiles, coloured, of sie 450x300x7mm or 350x250x7mm thick of superior quality as in skirting, dado, etc. laid over 10mm thick backing coat in CM (1:4) (rate shall be included) pointed in white cement mixed with colouring pigment to match shade of tiles complete all as specified and as directed

S&F in position prepainted galvalume aluminium zinc (galvanised) and aluminium combined coating of 150gms/sqm (AZ-150) of 0.50mm TCT having top colour coat,GI based corrugated steel sheet 0.50mm thick of any colour ( as approved) having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws, complete all as specified and as directed

S&F in position prepainted galvalume aluminium zinc (galvanised) and aluminium combined coating of 150gms/sqm (AZ-150) of 0.50mm TCT having top colour coat,GI based plain steel sheet 0.50mm thick of any colour ( as approved) having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws, complete all as specified and as directed

M&L for 2nd class hard wood timber scantling wrought in section, timber framed & fixed complete all as specified and as directed

M&L for 2nd class hard wood timber scantling clean swan in unframed work & fixed complete all as specified and as directed

M&L 35mm thick plain framed paneled door shutter (any number of panels) 2nd class HW rail and style with lock rail and panels of 12mm thick ISI marked veeneered particle board with commercial veeneering on both faces, with size of rail and style shall be as per IS-1003 (Part-I) kiln seasoned and chemically pressure treated complete all as specified and as directed

S&F 35mm thick 2nd class hard wood glazed and skeleton shutters, open rebated without sash bars, with plain, chamfered or rounded, mitred, any number of panels, prepared to receive glass, gauges, etc. edges chamfered or rounded, sizes of members of shutters as specified in clause 8.24(a) of SSR Part-I, supplied and fitted to chowkats complete all as specified and as directed

S&F stainless steel wire cloth 0.56mm nominal dia of wire and average width of aperture 1.18mm and fixed with stainless steel wire staples complete all as specified and as directed

S&F in repairs for 4mm dia GI wire fixed to both ends of wall by means of necessary fastening bolts or T-shape nut & bolt for hold the wire, complete all as specified and as directed.

S&F PVC (SWR) pipes, 150mm bore, single socketed in any length with rubber ring joints fixed on walls/trenches or in floor with suitable clamps, etc. incluidng demolition/taking down of old and unerviceable existing pipe, complete all as specified and as directed

S&F 150mm bore PVC (SWR) bend of any radius complete all as specified and as directed

S&F 150mm bore PVC (SWR) Tee of any radius complete all as specified and as directed

E/M WORKS

Taking down copper / aluminium point wiring (light, fan, socket or power) including fixture and fittings viz. switches, ceiling roses, light fittings, pendants, regulators, sockets, etc. and disposing off complete all as specified and as directed

M&L for point wiring with 1.5sqmm, two single core, FRLS PVC insulated, ISI marked, unsheathed cable 1100V grade, IS-694 marked, with multi-stranded copper conductor, drawn through and including non-metallic heavy duty PVC conduit not less than 20mm dia and accessories concealed in walls, ceiling etc. and including provision of 1.5sqmm copper wire, green colour as earth continuity conductor and connected to common earth dolly complete all as specified and as directed for the following:

One light point controlled by one 5A one way switch

One ceiling fan / exhaust fan point controlled by one 5A one way switch

One switch socket outlet 3 pin 5A controlled by one switch on independent board

One switch socket outlet 3 pin 5A controlled by one switch on same board

M&L for point wiring with 2.5sqmm, two single core, FRLS PVC insulated, ISI marked, unsheathed cable 1100V grade, IS-694 marked, with multi-stranded copper conductor, drawn through and including non-metallic heavy duty PVC conduit not less than 20mm dia and accessories concealed in walls, ceiling etc. and including provision of 1.5sqmm copper wire, green colour as earth continuity conductor and connected to common earth dolly for 3 pin 15A switch socket independent outlet complete all as specified and as directed

S&F ceiling rose surface bakelite 65x50mm, ISI marked, with three terminals complete all as specified and as directed

S&F switch piano flush button type, single pole, ISI marked, one way 5A, 230V complete all as specified and as directed

S&F switch socket outlet, 2 in 1, 5A flush type, ISI marked, 230V complete all as specified and as directed

S&F switch socket combination outlet, 5 in 1, 6 pin, 5 & 15A flush type, ISI marked, 240V complete all as specified and as directed

S&F switch socket outlet, 5 pin, 5A flush type, universal, ISI marked, 230V complete all as specified and as directed

S&F PVC / polycarbonate lamp holder, insulated body, bracket holder / angle holder with back plate 240V complete all as specified and as directed

S&F wall surface mounted, compact LED box type, 4ft long, light fitting 1x20W all accessories prewired with 20W LED lamp and connecting with three core flexible copper conductor cable of suitable size from ceiling rose including taking down and disposing off old fitting complete all as specified and as directed

S&F building security light, LED luminaire 25W IP 66 with LED lamp, driver, etc. with all accessories pre-wired and connecting with 3 core flexible copper conductor cable drawn through PVC conduit of size 20mm and taking down and disposing off old fitting complete all as specified and as directed

S&F bracket for street light fittings of any size made out of GI pipe medium grade 25/32mm dia 1.25mtr length bend to required size and shape including provision of clamps and fittings in position and two coat of aluminium paint over a coat of red oxide primer , complete all as specified and as directed.

S&F BLDC ceiling fan 1200mm sweep, 230V, minimum air delivery 210CFM with service value 6.00 BEE 5 star rated, with blades, down rods and accessories and connecting up including disconnecting, taking down of old unserviceable fan and depositing to MES storeyard including all loading, unloading, carting, etc. complete all as specified and as directed

S&F heavy duty, PVC body with PVC blades, legs, ISI marked energy efficient, exhaust fan, 250mm sweep, 230V, 50Hz, 1200RPM, copper wound, with louvers and connecting up including provision of three core flexible copper wire of size 1.5sqmm from ceiling rose to exhaust fan including grouting the nuts and bolts and including all loading, unloading, carting, etc.complete all as specified and as directed

Supply, fixing, commissioning and testing of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductors, 1100V grade 4 core 16sqmm laid in trenches/fixed to wall/under road/drawn through pipes etc. with copper cable glands and copper thimbles including taking down old unsv cables, complete all as specified and as directed

S&F steel water tubing, medium grade, 25mm bore, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for cable protection, etc.including taking down old unsv GI pipe, complete all as specified and as directed

S&F steel water tubing, medium grade, 32mm bore, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings, ISI marked conforming to IS -1239 and fixed to walls or laid in floors / trenches required for cable protection, etc.including taking down old unsv GI pipe, complete all as specified and as directed

S&F in repairs fan hook fabricated in MS flat iron 25x6mm 300mm long, bent to shape with drilled holes to accommodate nuts suitable for hanging ceiling fans, entirely painted with two coats of synthetic enamel paint,including taking down old unserviceable existing hook, complete all as specified and as directed

S&F sheet metal enclosures for 8 way MCB DB, 240V, SPN, double door, IP 43 protection class conforming to relevant IS, with 200A rated insulated aluminium bus bar, neutral link, DIN rail, blanking plates, etc. duly flushed in wall and making good the disturbed surfaces including taking down old damaged DB and disposing off complete all as specified and as directed

S&F sheet metal enclosures for 4 way MCB DB, 415V, TPN, double door, IP 43 protection class conforming to relevant IS, with 200A rated insulated aluminium bus bar, neutral link, DIN rail, blanking plates, etc. duly flushed in wall and making good the disturbed surfaces including taking down old damaged DB and disposing off complete all as specified and as directed

S&F in repairs MCB SP, 240V, 10 to 40A, 10kA, 50Hz, C curve complete all as specified and as directed

S&F in repairs MCB isolator SPN, 240V, 40A, 10kA, 50Hz, C curve complete all as specified and as directed

S&F in repairs MCB isolator SPN, 240V, 6-32A, 10kA, 50Hz, C curve complete all as specified and as directed

S&F in repairs MCB isolator TPN, 240V, 63A, 10kA, 50Hz, B curve complete all as specified and as directed

M&L for earthing using GI earthing wire with galvanised steel earth plate electode 600x600x6mm thick buried directly in ground, earth pit not less than 2.25m deep below ground level connection to and including GI earth lead wire 4mm dia extended to 7.5m as earth lead by means of GI bolts, nuts, etc. with provision of charcoal and salt all as per electrical plate No. 3 of SSR Part-I including water arrangement with GI pipe 20mm dia (medium grade), earth lead protection pipe 15mm light grade with bends, elbow, etc. from earth plate to test point, excavation and earthwork in any type of soil, returning, filling, ramming and removing of soil to distance not exceeding 50m, make good to match with existing surface making PCC pit (earth chamber) having internal size 300x300x300mm and outer size 600x 600x600mm with RCC reinforced cover 50mm thick and testing on completion including making test points on wall as per SSR specifications, taking down and disposing off old earthing complete all as specified and as directed

Notes for serial item No.99: (i) The cost of GI earth continuity wire / strip with GI pipe 20mm medium grade upto 7.5m is deemed to be included (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item (iii) Earthing shall produce desired earth resistance values as directed by the Engineer-in-charge

ABDUL AUDUD (BID ID -3335052)

MS AFTAB LASKAR (BID ID -3330075)

SUBHENDU BHUSAN PAUL (BID ID -3334173)

MAGADH TRADING (BID ID -3335061)

M P SHARMA (BID ID -3334510)

M/S Goutam Chakraborty (BID ID -3334335)

M/S TAPAN KUMAR RAY (BID ID -3334359)

M/S SUBHAM ENTERPRISE (BID ID -3335026)