REPAIR/ REPLACEMENT OF JOINERIES, BRICKWORK, PLASTERING, TILING, ROOFING, PLUMBING AND CERTAIN B/R WORKS IN TECHNICAL AREA AT 20 WING AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

Dismantling Plain or corrugated steel sheeting/ FRP sheet any gauge thickness incl Nainital or similar pattern roof coverings complete all as specified and directed.

Dismantling asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings incl ridges complete all as specified and directed.

M&L for Pre-painted galvalume aluminum zinc coating GI based corrgated / semi corrugated / trapesoidal 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 directed.

M&L for 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 directed.

M&L for 0.63 mm thick Galvanised, corrugated mild steel sheeting with two corrugations side lap, fixed with L or J hook and washers, in roofs, walls etc. with grade of zinc coating 275 etc complete all as specified and directed.

M&L for 0.63 mm thick Plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 etc complete all as specified and directed.

M&L for Fibre glass reinforced translucent corrugated sheeting 2 mm thick with two corrugation side lap fixed with coach screw and washer in roof wall etc fixed with L type or J type or cranked hook bolts in lieu of screw complete all as specified and directed.

Dismantling of wrought or mild steel work of any description or otherwise provided for complete all as specified and directed.

M&L for mild steel work for wind tie including securing bolt and necessary; drilling posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

M&L for steel work in tubular truss including special shaped washer etc complete using ERW or induction butt welded tubes confirming to IS-1161-1998 grade St-240 complete all as specified and directed.

M&L for preparation of new steel surface of any description, over 10cm 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.

Dismantling timber scantlings 40 sq.cm and over in section, in any position complete all as specified and directed.

M&L for second class hard wood framed and fixed in scantlings clean swan complete all as specified and directed.

M&L for preparing surface of wood and wood based materials, new or old, of any description and girth, not otherwise described and treated with two coats of creosote oil complete all as specified and directed.

Dismantling boarding any description fixed in any position fixed with nails as in eaves board complete all as specified and directed.

M&L for 20 mm thick second class hard wood planed one side boarding with butt joints fixed with nails in any situation (except flooring & skirting) like eaves board, board under valley gutters etc complete all as specified and directed.

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

M&L for Powder coated galvanised iron snap grid frame work of size 600 x 600 mm for false ceiling comprising of Main runner 'T' section of size 38mm x 24mm x 0.40mm thickness, Cross 'T' of size 29mm x 24mm x 0.3mm thickness and wall angle of size 24mm x 24mm x 0.43mm thick suspended with 4mm dia GI wire from purlin @ 1.20m c/c and fixed with 4mm thick designer ceiling boards complete all as specified and directed.

M&L for 6mm thick Asbestos cement plain building boards fixed in ceiling, fixed to timber frame work with screws fixed in repairs (where the area of patches repaired does not exceeding 3 sqm each) complete all as specified and directed.

Removing existing water proofing/black top treatment including concrete padding, plastering roughening of concrete surfaces, cleaning and washing down the surfaces with water and removing debris/rubish materials outside MOD land complete all as specified and directed.

M&L for 15 mm thick plaster in CM (1:4) mixed with water proofing compound on roof slabs finished even and fair without using extra cement after cleaning of roof surfaces with wire brushes complete all as specified and directed. Notes : WPC shall be measured and paid separately.

M & L for applying evenly a tack coat of industrial bitumen 85/25 @ 1.2 kg/Sqm including cleaning surface complete all as specified and directed.

M&L for water proofing treatment to roof slabs by applying one coat of bituminous /polymerized primer confirming to IS -3384 @0.30 litre/Sqm, by lying actetic polypropylene (APP) modified membrane pre fabricated, reinforced with non woven polyester, of 3.0 Kg/Sqm(minimum) 3mm thick with minimum 75 mm side overlaps and minimum 100mm and applying one coat of bituminous aluminium paint over APP membrane complete all as specified and directed.

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing), and rubbish to the premises complete all as specified and directed.

M&L for glazed ceramic coloured tiles in vertical surface 350 x 250 x 7 mm or 450 x 300 x 6-7 mm thick with matching highlighter laid over and including 10 mm thick rendering in cement mortar 1:3 set and jointed in neat cement slurry and pointed in white or colour cement to match the tiles complete all as specified and directed.

M & L for Non - skid Ceramic tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm 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 and including 20mm thick screed bed in CM 1:6, set, jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed.

M & L for Non - skid Ceramic tiles 7 to 8 mm thick (square/rectangular) 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 and including 20mm thick screed bed in CM 1:6, set, jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed.

All as per Item No 27 above, but as in skirting laid over and including 10 mm thick rendering in cement mortar 1:3 set and jointed in neat cement slurry and pointed in white or colour cement to match the tiles complete all as specified and directed.

Dismantling of Stone slabs and tiles of any description or thickness in floors, aprons etc. laid, bedded and pointed in any mortar complete all as specified and directed.

M&L Granite (of any type) work (table rubbed and polished) 18 to 20mm thick in steps, jambs, pillars, window-cills, cooking platforms 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.

Taking down wall panelling of any size and any description including fillets etc and other similar work complete all as specified and directed.

M&L for Solid PVC Wall Lining consisting of 5mm thick wood grain printed PVC sheet inclusive of solvent cement and fixing at site on PVC frame as per specifications and drawing etc complete all as specified and directed.

M&L 5mm thick PVC sheet fillet of width 35mm for wall paneling inclusive of fixing on to wall to make PVC Frame as per specification and drawing complete all as specified and directed.

M&L for dismantling unserviceable wheel of hanger door and replacing with new wheel of same description, railing including greasing, servicing, changing of bearing etc complete all as specified and directed. The rates includes all T&P required for dismantling and refixing.

M&L in repair, 0.80mm thick Mild steel, plain, black sheet in wall cladding, steel gates and similar work, cut to size, holes punched; including round headed screws, clout nails or rivets and fixed to wood or steel framing with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required complete all as specified and directed.

M&L for 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.

Taking down chowkhat or frame with shutter (without taking off shutter from the frame) area not exc 1.5 Sqm each and removing from the site including making good the disturbed surfaces of wall etc to match with existing adjoining surfaces complete all as specified and directed.

All as per Item No 37 above, but exc 1,5 sqm but not exc 4 sqm each complete all as specified and directed.

Taking down shutter of any description not exc 1 Sqm and removing from site complete all as specified and directed.

All as per ser item No. 39 above, but area exc 1.00 Sqm and not exc 2 Sqm each complete all as specified and directed.

Resecuring or easing and adjusting with out taking out of wooden shutters not exc 1 Sqm and complete all as specified and directed.

All as per ser item No. 41 here in above, but area exc 1.00 Sqm and not exc 2 Sqm each complete all as specified and directed.

Hacking out old broken glass (any thickness, size, quality or description) from wooden frame or stone, concrete or brick surrounds, glazed with putty or fixed with beads complete all as specified and directed.

Servicing and greasing of Aluminium door including replacement of nuts, screws, rubber gaskets, pivots, taper clip etc including taking down carefully of door shutters of replacing unserviceable parts or components by new parts or components for smooth functioning of doors and re fixing the same in existing opening or position complete all as specified and directed.

M&L 2nd class hard wood plain solid straight chowkhat or frame, wrought, framed, rebated on the solid, put together with glue and pinned at joint complete all as specified and directed.

M&L for Treating ends of posts back of chowkats etc of area tarred exceeding 0.1 Sqm but n.exc 0.5 Sqm each with tar or coal tar black paint including sanding with clean sharp sand of newly tarred or painted surfaces complete all as specified and directed.

M&L Mild steel hold fast made of flat iron conforming to Fe-290 Gde E-165 of size 25 x 3 mm bent to shape required with splitting end and drilling holes for fixing nuts & bolts (including nuts & bolts) including treating the steel surfaces with tar or coal tar black paint and sanding neatly newly tarred surfaces with clean sharp sand all complete all as specified and directed.

M&L for PCC type C1,1:3:6 (using 20 mm graded stone aggregate) for hold fast blocks complete all as specified and directed.

M&L 2nd class hard wood 35 mm thick Plain framed, panelled shutter (two panel) with lock rail and panel of 9mm B.W.P. commercial ply or 12 mm veneered particle board with commercial veneering on both faces. The size of rail and stile as per IS : 1003 (Part I), kiln seasoned and chemically pressure treated complete all as specified and directed.

M&L factory made 35 mm thick flush shutters , solid core construction with block board core and plywood face pannel commercial type on both faces complete all as specified and directed.

M&L 2nd class hard wood 30mm thick 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. Note: Glass panes & Wire mesh in panels shall be measured separately.

M & L for Preparation of new wooden surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel painting over a coat of pink primer complete all as specified and directed.

M&L Steel windows with side hung shutters with glazing bars, dovetailed or welded including projecting type hinges with steel handle, and steel peg stay complete all as specified and directed.

M&L Steel windows with side hung shutters without glazing bars, dovetailed or welded including projecting type hinges with steel handle, and steel peg stay complete all as specified and directed.

M&L for 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 work conforming to Fe.290, Gde-E-165.

M&L Solid PVC door frame of size 50mm x 45mm made out of 5mm plain colour PVC sheet reinforced with M.S. square tube, supplying & fixing in opening as per specification & drawing complete all as specified and directed.

M&L Factory Made Solid PVC Moulded Door Shutters 28 to 30 mm thick (stiles), with 2,4 or 6 raised panel design with 2mm thick 3D wood grain Moulded PVC Sheet Polyurethane painted on the front face & 2mm Plain colour PVC Sheet on back face ,supplying & fixing in frame at site as per specification & drawing complete all as specified and directed.

M&L Factory made solid panel PVC door shutter 30mm 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 heaving 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 MS frame welded/sealed to the stiles & rails suitable PVC sheet beading, and jointed together with solvent cement , supplying & fixing in the frame at site as per specification & drawing complete all as specified and directed.

S&F for 100mm long Stainless steel butt hinge, medium weight, cold rolled complete all as specified and directed.

S&F for 75mm long Stainless steel butt hinge, medium weight, cold rolled complete all as specified and directed.

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

S&F 100mm long extruded aluminium alloy handle, fabricated type anodised complete all as specified and directed.

S&F 300mm long aluminium alloy anodised sliding door bolt with hasp and staple (bolt type) and fixing with complete accessories all as specified and directed.

S&F aluminium anodised barrel tower bolt of extruded section 200mm long complete all as specified and directed.

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

M&L 4mm thick Sheet glass, ordinary quality and glazing with oil putty in square n exc 0.5 sq. m in each pane complete all as specified and directed.

M&L Powder coated aluminium (minimum thickness of powder coating 50 micron) frame for doors, windows, ventilators with one or more rebates including joining cleat for fixing etc complete all as specified and directed.

M&L Powder coated aluminium (minimum thickness of powder coating 50 micron) window and ventilator shutters, side hung type without sash bars, aluminium sections weighing not less than 0.55kg/m including necessary joining cleats, glazing clips, rubber packing, powder coated aluminium snap beading and rubber gasket, screws, powder coated aluminium fittings such as peg stays 150mm long - 01 No, telescopic hinges 75mm long - 02 Nos, suitable handle - 01 No etc in each shutter complete all as specified and directed. Note: Glass shall be measured separately.

M&L Powder coated aluminium (minimum thickness of powder coating 50 micron) door shutters, aluminium section weighing not less than 0.55kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, powder coated aluminium fittings such as handles - 02 Nos, 100mm long hinges - 03 Nos, sliding bolt - 01 No, tower bolt - 02 Nos in each door, powder coated aluminium snap beading and rubber gasket, screws etc complete all as specified and directed. Note: Glass shall be measured separately.

M&L Powder coated aluminium (minimum thickness of powder coating 50 micron) aluminium grill (anodised transparent or dyed to required shade according to IS: 1868 with minimum anodic coating of grade AC 15) of approved design/pattern, with approved standard section and fixed to the existing window frame with C.P. brass/ stainless steel screws @ 200 mm centre to centre, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening, all complete as per requirement and direction complete all as specified and directed.

M&L 4.80 mm thick sheet glass, ordinary quality and glazing with rubber beading, cleats in necessary to aluminium door/windows etc any size complete all as specified and directed.

M&L in repair, stainless steel wire cloth, 0.56 mm nominal dia of wire and average width of aperture 1.00 mm and fixed with tinned tacks, or galvanised wire staples complete all as specified and directed.

S&F in repair, 300 mm MS ordinary rat tail rod pattern spring including roller and roller plate complete fixed on wooden frame or on wall with wooden plugs and set in cement mortar complete all as specified and directed.

S&F in repiar, 18/19 mm thick prelaminated particle boards, exterior grade, prelaminated both sides with decorative choice laminations, fixed with screws to timber frame work complete all as specified and directed.

S&F in repair, Floor door stopper 150mm long of aluminium alloy body and tongue, anodised, with hard drawn steel spring, fixed in floor complete all as specified and as directed..

S&F in repair, 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 complete all as specified as directed.

S&F in repair, Aluminium (Die cast body) door closer 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. complete all as specified and as directed.

Taking up or down 15mm bore steel tubing and connections including cleaning for re-fixing or removal from site complete all as specified and directed.

Taking up or down 20mm bore steel tubing and connections including cleaning for re-fixing or removal from site complete all as specified and directed.

M&L 15mm bore GI tubing medium grade fixed to wall or ceiling or laid in floors etc complete all as specified and directed.

M&L 20mm bore GI tubing medium grade fixed to wall or ceiling or laid in floors etc complete all as specified and directed.

S&F in repair, 20mm bore ball valve high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed. (Minimum weight 210 gms) complete all as specified and directed.

S&F in repair, 10 Ltrs capacity PVC valveless, symphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets complete all as specified and directed.

S&F in repair, 15 mm bore chromium plated health faucet with 1 mtr tube & hook complete all as specified and directed.

S&F in repair, 15mm bore fancy type chromium plated angle valve, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified and directed.

S&F in repair, 15mm bore fancy type chromium plated bib tap, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed with wall flange complete all as specified and directed.

S&F in repair, 15mm bore 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, 15mm bore Pillar tap, 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, 15mm bore fancy type chromium plated with long shank and cup (concealed type) stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified and directed.

S&F in repair, Sheet glass shelf assembly consisting of 5.5mm thick sheet glass shelf 12cm wide with chromium plated bracket guard and railing 60cm long complete all as specified and directed.

S&F in repair, brass chromium plated shower rose 125mm size with or without swivel joints, any size including fixing to steel pipe or union complete all as specified and directed.

S&F in repair, PVC connection 15mm size with PTMT nut at both ends with washer, 450mm long and fixed complete all as specified and directed.

S&F in repair, CP toilet paper holder with flat recessed type stainless steel fixed to walls with chromium plated brass screws complete all as specified and directed.

S&F in repair, CP towel Rail 600mm long "D" type 20mm dia complete all as specified and directed.

S&F in repair, CP soap dish fixed to wall with screw complete all as specified and directed.

S&F in repair, PVC water storage tank cylindrical, vertical with closed top with threaded cover hoisted and fixed in position tank capacity 500 Ltr with and including ball valve high pressure of PTMT with epoxy coated aluminum rod and high density plastic ball screwed for 20mm bore of iron pipe and making connection for inlet and outlet including removing from site complete all as specified and directed.

S&F in repair, PVC water storage tank cylindrical, vertical with closed top with threaded cover hoisted and fixed in position tank capacity 1000 Ltr with and including ball valve high pressure of PTMT with epoxy coated Aluminum rod and high density plastic ball screwed for 20mm bore of iron pipe and making connection for inlet and outlet including removing from site complete all as specified and directed.

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

S&F in repair, vitreous china, Squatting pan, 'Orissa Pattern', size 580 mm x 440 mm white, with integral foot rests (excluding flushing cistern and flush pipe) and including 100mm bore ‘P’ or ‘S’ trap and provision of cement concrete bedding and connected to existing flush pipe complete all as specified and directed.

S&F vitreous china pedestal wash hand basin (flat back) of size 550x400mm including one number chromium plated waste fittings, 32 mm dia, brass with long screwed shanks and fly nuts, flange end bedded in red lead cement and other end fixed, with & including 32 mm dia PVC waste pipe with connector including cutting for and pinning in ends of brackets complete all as specified and directed.

S&F in repair, vitreous china wash down water closet pan (pedestal pattern) white including connection to drain (or outgoing pipe) and to flush pipe, antishonage pipe and Plastic water closet seat, black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device etc complete all as specified and directed.

S&F in repair, plastic water closet seat cover white/coloured closed pattern with flat bottom and cover and mild steel chromium plated hinging device complete all as specified and directed.

S&F in repair, Stainless steel sink with draining board, made out of 1.00mm thick sheet for kitchen or laboratory with plug, washers waste pipe, cast iron cantilever brackets, connecting union overall size 915mmx460mm with bowl size 410mm x 330mm x 160mm complete all as specified and directed.

S&F in repair, 32mm bore waste fittings, brass, chromium plated for glazed ware sinks, basins, etc with long screwed shanks and fly-nuts, flange end bedded in red lead cement and other end fixed complete all as specified and directed.

Taking down cement plaster from brick or concrete or stone walls including racking out joints, hacking for key and scrubbing down with water etc complete all as specified and directed.

M&L for rendering 15 mm thick cement plaster (1:4) on brick or concrete surfaces including rendering on fins, fascias, chajja, parapets etc and finishing the surfaces even and fair (without using extra cement), top layer shall be with WPC as per manufacturer's instruction and complete all as specified and directed. Note: WPC shall be measured and paid separately.

Supply only water proofing compound

M&L for rendering 15 mm thick cement plaster in CM (1:6) on other than fair faces of brick wall or concrete surfaces and finishing the surface even and fair complete all as specified and directed.

M&L for preparation of new plastered surfaces of walls and applying two coats of cement based paint over a coat of alkali resistant primer complete all as specified and directed.

M&L for preparation of new plastered wall surfaces and applying two coats of oil bound distemper over 1.5mm thick Brila/JK wall care putty over a coat of alkali resistant priming complete all as specified and directed.

M&L in repair 100mm wide super flash strip self adhesive, pressure sensitive, UV resistant bitumen tape protected by Aluminium – film and reinforced with polyester film complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

M/S IDEAL CONSTRUCTIONS (BID ID -3338852)

BUILDERS ASSOCIATE (BID ID -3336882)

R.N.Construction Co. (BID ID -3336680)

M/s Chakraborty Enterprise (BID ID -3336259)

UNISON CONSTRUCTION (BID ID -3336610)

M/S BIJAN CHAKRABORTY (BID ID -3332865)

SUNIL DAS AND CO (BID ID -3337588)

M/S SWAPAN KUNDU (BID ID -3336217)