PROVN AND UPGRADATION OF TOILET BLOCK NEAR HELIPAD AND NEAR SMBK-02 RESPECTIVELY AND ADDN / ALTN TO TOILETS OF BLDG NO P-101 P-103 P-104 AND P-105 AT LEBONG UNDER AGE(I) DARJEELING

Amount

Demolition of cement concrete (unreinforced) in ground floor and pavings not exc 15 cm thickness (below or above ground level) complete all as specified and directed.

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

M&L for screed bed or bedding layer of mortar 15 mm thick for laying floor finishes in cement mortar (1:6) finished even and rough, complete all as specified and directed.

M&L for rendering 10mm thick in cement mortar (1:3) on fair faces of brick work or concrete surfaces, complete all as specified and directed.

M&L for coloured non-skid ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface of tiles, complete all as specified and directed.

M&L for coloured glazed ceramic tiles in vertical surface 350x 250x 7 mm/ 450X 350X 7mm thick set and jointed in neat cement slurry and pointed in white or colour cement to match the surface of tiles, complete all as specified and directed.

S&F of vitreous china wash down water closet pan (pedestal pattern), white (excluding fixing bolts, flushing cistern and flush pipe) including mild steel chromium plated health faucet suitable for 15mm dia pipe with 1.25m long flexible tube and ABS wall hook and plastic water closet seat, black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device, complete all as specified and directed.

S&F of 100mm bore of pipe ‘P’ or ‘S’ traps without vent horn, complete all as specified and directed.

S&F of PVC low level flushing cistern 10 Ltr capacity, valveless syphonic action type complete with inlet, ball valve, float valve, bends brackets, rawl plug, brass screws handle etc complete having BIS description mark with IS-2731 with and including suitable size of MS brackets, plug, screw all as required incl taking down existing high level/low level flushing cistern any type disconnecting pipes and jointing with new one etc, and making good the floors/walls as per existing floor finish/wall finish including 32 mm bore PVC flush pipe and jointing with water closet of any type, complete all as specified and directed.

S&F of 15mm bore stop / angle cock, fancy type, cromium plated with long shank and cup (concealed type) 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 of 15mm bore dia bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed, complete all as specified and directed.

S&F of 15mm bore dia health faucet with 1m long easy flex tube in chrome finish and wall hook, complete all as specified and directed.

S&F of grating doom 100mm dia of PTMT (Minimum weight 25gms), complete all as specified and directed.

S&F of 100mm bore dia sand cast iron soil, waste and vent pipes in any length with or without ears, with cement joints, fixed to walls or in floors, complete all as specified and directed.

S&F of 100mm bore dia branch pieces, double (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches, complete all as specified and directed.

S&F of 100mm bore dia cast iron bends (any radius), diminishing pieces or tapers (larger bore measured) fitted with oval access doors, complete all as specified and directed.

M&L for 50mm thick plain cement concrete(1:2:4), type B-1, (using 20mm graded stone aggregate) as in sub-base, sub-floors, floors, pavings, roof treatment etc., finish cement concrete surface even and smooth without using cement extra cement, complete all as specified and directed.

M&L for 100mm diameter (outlet) cast iron floor trap, with grating including jointing to waste pipe fixed in cement concrete type B-1 (1:2:4), complete all as specified and directed.

Taking down chowkhats or frame not exc 1.50 sqm each with shutter (without taking off shutters from the frame), complete all as specified and directed.

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

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

S&F of 100mm size butt hinges, medium weight, cold rolled mild steel, and fixed, all as specified and directed.

S&F of 125mm long mild steel barrel tower bolts, stove enamelled black, with bright bolt and fixed, all as specified and directed.

S&F of 150 mm size aluminium handles, cast type, anodised, all as specified and directed.

M&L for complete removal of existing treatment on old plastered or unplastered surface of wall including brooming down or steel wire brushing, scrapping down smoke scoot, mould, moss and efflorescent salt, trading oil and greasy spot and applying two coats of distemper oil emulsion(OBD), white or tinted, complete all as specified and directed.

M&L for complete removal of existing treatment on old plastered or unplastered surface of ceiling including brooming down or steel wire brushing, scrapping down smoke scoot, mould, moss and efflorescent salt, trading oil and greasy spot and applying two coats of distemper oil emulsion(OBD), white or tinted, complete all as specified and directed.

Excavation in post holes in soft/loose soil or similar holes each n exc 0.5 cum getting out returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm and remaning surplus soil removing to a distance n exc 50cm and making good surface, complete all as specified and directed.

M&L for plain cement concrete (1:3:6), type C1 (using 20mm graded crushed stone aggregate) in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, hold fast and the like including weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed.

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

S&F of rolled mild steel plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment conforming to Fe-410- W(Gde- E-250) quality- B, complete all as specified and directed.

M&L for preparation of new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and directed.

M&L for 75mm thick plain cement concrete (1:4:8), type D2 (using 40mm graded stone aggregate) as in sub-base, sub-floors, floors, pavings etc., all as specified and as directed.

M&L for hardcore using broken stone or boulders of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface, complete all as specified and directed.

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

M&L for brickwork with fly ash bricks(old size bricks), straight or curved on plan exc 6m mean radius, built in cement mortar(1:6), complete all as specified and directed.

Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc., complete all as specified and directed.

S&F of vitreous china squatting pan, ‘Orissa’ pattern, size 630 x 450 mm white, with integral foot rests and 'P' or 'S' trap (excluding flushing cistern and flush pipe) including provision of lime concrete bedding, connection to trap and flushing pipe etc and making good to disturbed surfaces of floor to match with existing surface, complete all as specified and directed.

S&F of PVC connections 15mm size with PTMT nuts of length 450mm, all as specified and directed.

Taking up or down old 15 mm bore steel water tubing and connections, including cleaning for refixing or removal to store or from site, complete all as specified and directed.

Taking up or down old 20 mm bore steel water tubing and connections, including cleaning for refixing or removal to store or from site, complete all as specified and directed.

S&F of 15 mm bore steel water tubes, medium grade, galvanised with and including all GI fitting (such as bends, elbows, Tees, connectors, short pieces, back nuts, unions, caps and plug etc ) and fixed complete to wall and ceiling or laid in/on floor, complete all as specified and directed.

S&F of 20 mm bore steel water tubes, medium grade, galvanised with and including all GI fitting (such as bends, elbows, Tees, connectors, short pieces, back nuts, unions, caps and plug etc ) and fixed complete to wall and ceiling or laid in/on floor, complete all as specified and directed.

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

Supplied and fixed in repairs of 15 mm bore gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed, complete all as specified and directed.

Dismantling water tanks of capacity exc 500 and n exc 1000 litres and removing to store, complete all as specified and directed.

S&F of rotational moulded polyethylene water storage tanks of capacity 1000 litres (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-l and directed.

S&F in repairs of 20 mm bore dia ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed. (Minimum weight 15mm-142gms/ 20 mm - 210 gms. / 25mm-455gms/ 40mm - 690 gms), complete all as specified and directed.

Dismantling of 100mm dia cast iron or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches, if required, complete all as specified and directed.

S&F of 100mm bore dia cast iron cowls, complete all as specified and directed.

M&L for 40mm thick plain cement concrete(1:2:4), type B-1, (using 20mm graded stone aggregate) as in sub-base, sub-floors, floors, pavings, roof treatment etc., finish cement concrete surface even and smooth without using cement extra cement, complete all as specified and directed.

S&F of bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165, complete all as specified and directed.

S&F of 250 mm long aluminium alloy, anodised sliding door bolts with haps staple (bolt type), and fixing clips of sheet, cast or extruted sections and fixing bolt and sliding bolts of extruted sections or cast aluminium alloy and fixed, complete all as specified and directed.

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

M&L for rendering 15mm thick in cement mortar (1:6) on fair faces of brick work or concrete surfaces, finished even and smooth (without using extra lime or cement), complete all as specified and directed.

M&L for rendering 15mm thick in cement mortar (1:4) with water proofing compound @ 3% by weight of cement or in the manner specified by the manufacturer and in the proportions indicated on fair faces of brick work or concrete surfaces, finished even and smooth (without using extra lime or cement), complete all as specified and directed. Note: Water proofing compound will be measured and paid separately.

Supply only integral water proofing compond, all as specified and directed.

M&L for preparation of new plastered or unplastered surfaces of walls and applying three coats of white wash on walls, complete all as specified and directed.

M&L for preparation of new plastered or unplastered surface of wall and applying two coats of cement paint over a coat of alkali resistant priming paint, complete all as specified and directed.

M&L for preparation of new plastered or unplastered surfaces of walls and applying two coats of white wash on walls, complete all as specified and directed.

M&L for preparation of old decorative plastered or unplastered surface of wall including brooming down or steel wire brushing, scrapping down smoke scoot, mould, moss and efflorescent salt, trading oil and greasy spot and applying two coats of cement paint over a coat of alkali resistant priming paint, complete all as specified and directed.

M&L for preparation of old steel surfaces of any description over 10 cm width or girth and applying one coat of synthetic enamel paint, complete all as specified and directed.

Dismantling of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings, complete all as specified and directed.

S&F of pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and directed.

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

S&F of rolled mild steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240, complete all as specified and directed.

M&L for chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and pigments, complete all as specified and directed.

Surface excavation n exc. (not exceeding) 30 cm deep and averaging 15cm deep and getting out soft/loose soil, all as specified and as directed.

Rough excavation not exceeding 1.5 m deep and getting out in soft / loose soil, all as specified and directed.

Returning filling in soft / loose soil including spreading, levelling, watering and well ramming in layers not exceeding 25cm, complete all as specified and directed.

Removal of surplus excavated soils to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.50m above the starting point, complete all as specified and directed.

M&L for plain cement concrete (1:4:8), type D2 (using 40 mm graded stone aggregates) as in foundation, filling and mass concrete, complete all as specified and directed.

M&L for sand filling under floors or in foundations including watering and consolidation, complete all as specified and directed.

M&L for brickwork with flyash bricks, straight or curved on plan to any radius in half brick thick walls, built in cement mortar(1:4), complete all as specified and directed.

M&L for non-skid coloured ceramic tiles 7 to 8 mm thick 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 the surface of tiles, complete all as specified and directed.

M&L for chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and no pigments, complete all as specified and directed.

M&L for 20 mm thick granite (of any type) work (table rubbed and polished) 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.

M&L for rendering 10mm thick in cement mortar (1:4) on fair faces of brick work or concrete surfaces, complete all as specified and directed.

S&F of 150 mm long aluminium, anodised, barrel tower bolt, of extruded section and fixed, all as specified and directed.

S&F of 150mm size extruded aluminium alloy handles, fabricated type, anodised, all as specified and directed.

S&F of 15mm bore dia bib taps, fancy type with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed, complete all as specified and directed.

S&F of rotational moulded polyethylene water storage tanks of capacity 500 litres (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-l and directed.

Supplied and fixed of 20 mm bore gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed, complete all as specified and directed.

S&F of towel rail 600mm long of PTMT fixed with and including Chromium plated brass screws and wooden/plastic cleats (Minimum weight 190gms), complete all as specified and directed.

S&F of vitreous china urinals, bowl urinal flat back, size of 465 x 355 x 265 mm white (minimum), with grating and union for discharge pipe (excluding flushing cistern, flush pipe and waste pipe), 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 directed.

S&F of vitreous china wash basin, white, flat back, size 630x450mm excluding taps, waste, chain and plug and porcelain stopper but including brackets, flush pipe of polyethylene of low or high density or PVC. 32 mm dia including cutting for and pinning in ends of brackets or erecting stand but exclusive of fixing of supply and waste pipe, complete all as specified and directed.

S&F of 15mm bore dia pillar taps, cast copper alloy, fancy type 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 of 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 of steel ventilator with top hung shutter including hinges, steel peg stay, complete all as specified and directed.

S&F of 3.0mm thick sheet glass ground or obscured or frosted, on one side, ordinary quality and glazing with oil putty in square n exc 0.5 sq. m in each pane, complete all as specified and directed.

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

M&L for reinforced cement concrete (nominal mix) (1:2:4), type B1 (using 20 mm graded stone aggregate) as in slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like, complete all as specified and directed.

M&L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement including forms, moulds mitered / stopped ends etc all as specified and as directed.

M&L for plain cement concrete(1:3:6), type C-2 (40 mm graded stone aggregate) in surface channels and drains, complete all as specified and directed.

M&L for 75 mm thick plain cement concrete(1:3:6), type C-2 (40 mm graded stone aggregate) as in plinth protection, hard standing, path etc including finish the surface even and smooth without using extra cement, complete all as specified and directed.

M&L for 100mm internal diameter salt-glazed stoneware drain pipes laid in trenches and jointed all as specified and directed.

M&L for plain cement concrete (1:4:8) bed, type D2, (using 40mm graded stone aggregate) to drain pipes 100mm bore including packing under, and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

S&F of anodised aluminium snap grid frame work of size of grid 605mm x 605mm for false ceiling, complete all as specified and directed.

M&L for 4mm thick non asbestos fibre cement building boards fixed or laid / inserted to timber / GI / aluminium framework with screws in ceiling flat or sloping, complete all as specified and directed.

Cutting existing steel tubing for alterations or additions (Each cut measured) and screwing existing steel tubing for alterations or additions (or lengthening screw on pipe to form connector), complete all as specified and directed.

M&L for point wiring with 1.5 Sq.mm (nominal area) PVC insulated sheathed single core multi stranded copper conductor FRLSH cable 1100 volts grade (conforming to IS) drawn through and including rigid non metallic PVC conduit not less than 20mm dia (concealed), medium grade with all necessary fittings, concealed wiring for light / Fan / Bell on independent board, point controlled by one switch including 1.5 Sq mm PVC FRLSH insulated copper stranded conductor for earth continuity conductor and connected to earth dolly and to be terminated in 1.60 mm thick pressed steel terminal boxes including flush metal box 2/4/6/8/12 module with module inner and outer plates for mounting moduler switches, socket outlet, regulator etc. with 3 mm thick laminated bakelite sheet cover for housing switches, socket outlet, regulator etc., complete all as specified and directed including testing on completion. Notes: (a) Proper colour coding of PVC insulated copper wire should be maintained as red/yellow/blue wires for phases, black wire for neutral and green wire for earth. (b) Two run of 1.5 Sq.mm for phase and neutral and one run of 1.5 Sq.mm for earth wire. (c) Concealed type in permanent bldg and surface type in temporary bldg or as directed.

S&F of sub main wiring with two single core 4.0 Sqmm PVC (FRLSH) copper conductor, insulated multistranded unsheathed cable medium grade including PVC casing caping of required size with accessories for sub main connection including 4.0 Sqmm FRLSH insulated multistranded unsheathed copper conductor used as a earth wire to common earth and connection to earth dolly, all as specified and directed. (Note :- Three runs of 4.0 sqmm PVC FRLSH copper conductor shall be measured as one unit length).

M&L for modular switch one way 6 Amps, 1 module, 240 Volts, all as specified and directed.

M&L for modular white cover plate with frame, 4 module, 240 Volts, all as specified and directed.

M&L for modular metal flush box, 4 module, 240 Volts, all as specified and directed.

M&L for ceiling rose, 3 phase/PVC/ polycarbonate, isolated body, three terminal, 240 Volts, all as specified and directed.

Supply and fixing in repair / replacement of LED tube lights fitting 1X10W, energy efficient including LED tube light and bipin holder, connector block, driver etc. with all accessories internally pre-wired connecting up with three core flexible copper conductor cable of suitable size from ceiling rose, all as specified and directed.

Supply and fixing of building security light fittings new generation energy saving and enviornmental friendly long life versatile pressure die-cast aluminium IP66 protection with acrylic cover of LED 30 Watts luminaire including GI bracket of suitable size with clamp, complete all as specified and directed.

Supply and fixing of sheet metal enclosure, double door for MCB DB's, 4 way single pole & neutral (SPN) and current carrying capacity of 200 amps rated bus bar suitable for 240 Volt, AC, 50Hz, complete all as specified and directed.

Supply and fixing of 240V, 10KA 'C' curve miniature circuit breaker (MCB) of single pole (SP) and current carrying capacity of 5 To 32 AMP in the MCB DB complete with connection testing and commissioning, all as specified and directed.

Supply and fixing of 240V, 10KA 'C' curve miniature circuit breaker (MCB) of single pole & neutral (SPN) and current carrying capacity of 40 to 63 AMP in the MCB DB complete with connection testing and commissioning, all as specified and directed.

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 300m sweep with, blades, and frame and louvers, complete all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 60cm × 60cm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron or steel earth lead wire 4.0mm dia size by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 of MES SSR Part-I, connected to earthing test point all as specified or indicated including testing on completion, including necessary excavation and earth work in any type of soil, GI pipe 20mm dia light grade for watering and GI 15mm dia light grade pipe for protection of earth wire upto DB / test point from earth plate etc., PCC chamber with PCC cover in cement concrete (1:2:4), type B1 (using 20mm graded stone aggregate), funnel, wire mesh, charcoal dust, salt etc, connected to DB as indicated, complete all as specified and as directed. Notes: Contractor should conduct necessary test such as earth continuity, earth resistance test in presence of Engineer-in-Charge.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.

KWOK YING CHIU

BIMAL BHATTRAI

Darjeeling Enterprises

M/S TSHERING BHUTIA

Damdoo Bhutia

TSHERING WANGYAL BHUTIA