SPECIAL REPAIR TO EXTERNAL WATER SUPPLY PROVN OF RO PLANT ADD ALT OF MT SHED AND PROVN OF GRANITE ON STAIR CASE OF GUEST ROOM OF OFFRS MESS AT 2 CBPO UNDER GE NORTH KOLKATA

Amount

Excavation in trenches, n.exc 1.5 m wide or n exc 10 sq m on plan and n exc 1.5 m in depth for foundation for manhole, taking out pipe line, laying of cable ,etc and getting out in soft / loose soil complete all as specified and directed.

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

Removing excavated materials not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Cutting hard standing / road for laying of pipe, not exc 30 cm wide and not exc 30 cm deep and getting out in soft/loose soil, etc complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C-2 (using 40 mm graded aggregate) as in filling etc for making good the disturbed surfaces of road/hard standing etc complete all as specified and as directed.

Material and labour in replacement rubber gasket joint (tyton joint) for ductile iron pipe, up to 100mm bore with all material including testing complete all specified and directed .

Supply and fix in repairs rubber insertion/gasket 6mm thick for 150mm dia pipe joints complete all as specified and as directed.

Supply and fix in replacement 80 mm bore cast iron sluice valve, Non rising type, (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged, with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts, bolts, washers and gasket etc and testing including taking down old unserviceable sluice valve complete all as specified and as directed. Make: Kalpana / Upadhya / Zoloto / Leader.

All as per item No 8 above, but for size 100 mm bore complete all as specified and as directed.

All as per item No 8 above, but for size 150 mm bore complete all as specified and as directed.

Supply and fix in replacement 100 mm bore Diapharm valves, Non rising type, (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged,with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts, bolts, washers and gasket etc and testing complete including taking down old unserviceable valve complete all as specified and as directed. Make: Kalpana / Upadhya / Zoloto / Leader.

All as per item No 11 above, but for size 80 mm bore complete all as specified and as directed.

All as per item No 11 above, but for size 50 mm bore complete all as specified and as directed.

Supply and fix in replacement 100 mm bore cast iron butterfly valves, Non rising type, (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged,with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts,bolts, washers and gasket etc and testing complete including taking down old unserviceable valve complete all as specified and as directed. Make: Kalpana / Upadhya / Zoloto / Leader.

All as per item No 14 above, but for size 80 mm bore complete all as specified and as directed.

Material and labour for construction of brick masonary valve pit of size 600 x 600 x 600mm (Internal dimension) with excavation and earth work , RFR and removal of surplus spoil as required, in any type of soil, PCC 1:4:8 Type D2 as in foundation,100 mm thick, Brick masonry wall built in cm 1 :6, PCC 1:2:4 type B1 for coping 50 mm thick, including use and waste of formwork, Rendering in CM 1:4, 15 mm thick both side, finished even and smooth for inner side without using extra cement and fair and even from outer side including provision of MS sheet cover fabricated out of 3 mm thick sheet with angle iron frame made out of 40 mm x 40 mm x 6 mm with hold fast to secure the frame, locking arrangements, handle of suitable size and preparing new steel and iron surfaces and applying two coats of synthetic enamel paint (first quality) over a coat of zinc chrome primer and applying 3 coats of white wash to new plastered /concrete surfaces including preparation of surfaces complete all as specified and as directed.

All as per Item No: 16 above, but of size (1000 x 1000 x 600mm ( internal dimension) complete all as specified and as directed. .

All as per Item No:16 above, but of size (900 x 900 x 600mm ( internal dimension) complete all as specified and as directed. .

Material and labour for fabrication and fixing of valve chamber cover, made out of 3 mm thick MS sheet including mild steel angle iron (40X40X6mm) suitable for valve pit of size 900 x 900mm (internal dimension) with required hinges and welded to frames and locking arrangement and painted with two coats of synthetic enamel paint over a coat of red-oxide zinc chrome primer to steel surfaces including taking out old damaged MS cover with frame complete all as specified and as directed.

All as per item No 19 above but for size 1000 x 1000mm (internal dimension) valve pit complete all as specified and as directed.

All as per item No 19 above but for size 600 x 600mm (internal dimension) valve pit complete all as specified and as directed.

S & F cast iron foot valve 150mm dia with purposefully made steel clamp, screws, washers etc including taking out unserviceable valve complete all as specified and as directed. Make: KALPANA / RAMCO / UPADHYA

All as per item No 22 above but for 100mm dia complete all as specified and as directed.

All as per item No 22 above but for 80mm dia complete all as specified and as directed.

Taking down cast Iron/DI water mains 80mm bore (including all fittings), with spigot and socket ends and lead joints including burning out joints for recovering lead including stacking of serviceable pipes aside complete all as specified and as directed.

All as per item No 25 here in before but for 100mm bore of pipe complete all as specified and as directed.

All as per item No 25 here in before but for 150mm bore of pipe complete all as specified and as directed.

Relaying of old serviceable cast iron/ DI pipe 80 mm bore obtained from serial no 25 here in before with spigot and socket ends in new or old position in any length, laid in trenches after cleaning of inner surface and applying with two coats of black bituminous paint (sutiable for drinking water purpose) including testing complete all as specified and directed.

All as per item No 28 here in before but for 100 mm bore obtained from serial no 26 above complete all as specified and directed.

All as per item No 28 here in before but for 150 mm bore obtained from serial no 27 above complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 150 mm bore with spigot and socket ends sutiable for tyton joint (Rubber gasket joint) centrifugally cast class (k-9) for drinking water supply, inner side cement lining outer side black bitumen coating and any length, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

All as per item No 31 here in before but for 100mm bore of pipe complete all as specified and as directed.

All as per item No 31 here in before but for 80mm bore of pipe complete all as specified and as directed.

Taking out from trenches or taking down from wall GI steel tubing and connections, 20 mm bore, setting aside and cleaning the serviceable pipe for re-laying/ re-fixing or removal of unserviceable pipe from site of work complete all as directed.

All as per item No 34 here in before but for 25 mm bore of pipe complete all as directed.

All as per item No 34 here in before but for 40 mm bore of pipe complete all as directed.

All as per item No 34 here in before but for 50 mm bore of pipe complete all as directed.

Relaying of old serviceable GI pipe 20mm bore obtained from serial no 34 here in before with spigot and socket ends in new or old position in any length, laid in trenches after cleaning of inner surface and applying with two coats of black bituminous paint (sutiable for drinking water purpose) including testing complete all as specified and directed.

All as per item no 38 above but for 25 mm bore obtained from serial no 35 here in before specified and directed.

All as per item no 38 above but for 40 mm bore obtained from serial no 36 here in before specified and directed.

All as per item no 38 above but for 50 mm bore obtained from serial no 37 here in before specified and directed.

Supply and fixing 20 mm bore GI tubing, medium grade with all new fittings as required complete fixed to walls and ceilings or laid in floors/trenches including testing complete all as specified and directed.

All as per item No 42 here in before but for 25 mm bore of pipe complete all as specified and directed.

All as per item No 42 here in before but for 40 mm bore of pipe complete all as specified and directed.

All as per item No 42 here in before but for 50 mm bore of pipe complete all as specified and directed.

S & F gun-metal, gate valves, 20 mm bore, with iron wheel head, screwed both ends for iron pipe and fixed after taking down old unserviceable one complete all as specified & directed. Make : Audco/Laxmi/ Uphadhyay.

All as per item No.46 above but 25 mm bore complete all as specified & directed.

All as per item No. 46 above but 40 mm bore complete all as specified & directed.

All as per item No.46 above but 50 mm bore complete all as specified & directed.

Supply and laying 50 mm dia (outer), 3 layer PP-R polypropylene random copolymer pipes SDR 7.4(PN16) UV stabilised and anti-microbial fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete in trenches including testing and taking down old unserviceable PP-R pipe complete all as specified and directed. Make: Savior faire Mfgh Co Pvt. ltd / Reliance / Vectus / Finolex / Supreme/ M/S Fusion Industries Ltd.

Supply and laying 40 mm dia (outer), 3 layer PP-R polypropylene random copolymer pipes SDR 7.4(PN16) UV stabilised and anti-microbial fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete in trenches including testing and taking down old unserviceable PP-R pipe complete all as specified and directed. Make: Savior faire Mfgh Co Pvt. ltd / Reliance / Vectus / Finolex / Supreme/ M/S Fusion Industries Ltd.

Supply and laying 32 mm dia (outer), 3 layer PP-R polypropylene random copolymer pipes SDR 7.4(PN16) UV stabilised and anti-microbial fusion welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete in trenches/on wall, ceiling or laid in floor including testing and taking down old unserviceable PP-R pipe complete all as specified and directed.

Supply, hoisting and fixing in position Rotational moulded Polyethylene water storage tank, 2000 litres capacity conforming to IS-12701 (1989) cylindrical vertical type two-layered wall construction with closed top including inlet, outlet and wash out holes of approved make including taking down old unserviceable water storage tank complete all as specified and directed.

Supply, hoisting and fixing in position Rotational moulded Polyethylene water storage tank, 1000 litres capacity conforming to IS-12701 (1989) cylindrical vertical type two-layered wall construction with closed top including inlet, outlet and wash out holes of approved make including taking down the old unserviceable water storage tank complete all as specified and directed.

Supply, hoisting and fixing in position Rotational moulded Polyethylene water storage tank, 500 litres capacity conforming to IS-12701 (1989) cylindrical vertical type two-layered wall construction with closed top including inlet, outlet and wash out holes of approved make including taking down the old unserviceable water storage tank complete all as specified and directed.

M & L for MS angle iron frame work of size 50 mm x 100mm x 50mm, 5 mm thick fixed to floor with suitable size of nut/bolts/washer by welding/drilling including painting with two coats of synthetic enamel paint over a coat of primer etc complete for fixing of monoblock/ centrifugal pump of any capacity all as directed by Engg in charge.

Material and labour mild steel work in the form of bars /angles/pipe including welding to fabricate frame / base channels of pump / supporting columns of rain pump delivery pipes etc complete all as specified and directed.

S & F 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 complete all as specified and directed.

M & L for Ductile iron fittings, class K-12 conforming to IS: 9523/2000 with finishing as per 13/IS 9523/2000 such as bends (any type radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc ), tee pieces, single branch, "Y" junction, double branch cross (all socket or socket and spigot) collars caps and plugs etc sutiable for upto 150 mm bore including taking down/out old unserviceable fittings complete all as specified and directed.

M & L for brick work with sub class B Bricks, straight or curved on plain exc 6 m mean radius built in cement mortor 1:6 complete all as specified and directed.

Supply, installation, testing and commissioning 1000 Ltrs per hour RO (Reverse Osmosis) water treatment plant for treated water quality parameters ( like TDS < 100 PPM and nil bacteria recorded) integrated with high pressure pump, FRP moulded IRP and activated carbon filters along with media, Raw water feed pump, housing membranes and UV sterilizer, pressure gauge, dozing pump, 1000 ltrs SS Tank alongwith panel board and floaty, high/ low pressure switch with pipe line and other necessary fitting arrangements complete all as specified and as directed by Engr in charge. (Make : Royal Aqua or equivalent make as approved by GE)

Excavating in post holes each n.exc. 0.5 Cum and getting out in soft /loose soil, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exc. 25 cm complete all as specified and as directed.

Material and labour for providing cement concrete 1:4:8 type D2 ( using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified & directed

Material and labour for cement concrete 1:2:4 type B2 (nominal mix) (using 40 mm graded stone aggregate) as in foundations, filling and mass concrete for securing/ fixing of fencing post/ strut in under water including necessary formwork and dewatering as required at site complete all as specified and directed.

Material and Labour for PCC 1:3:6 type C1(using 20 mm graded stone aggregate) as in bed block for fixing holdfast, coping, kerbs, rounded or chamfered on edge including necessary form work complete all as specified and as directed.

Supply and fix mild steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS-1161-1979 grade St-240 complete all as specified and as directed.

S&F mild steel Plates (plain or chequered)channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment conforming to Fe 410 -W(Gde-E- 250)quality-A complete all as specified and directed.

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

Material and labour for applying two coats of synthetic enamel paint on new steel surface exceeding 10 cm width or girth over a coat of red oxide primer including preperation of surface complete as specified and as directed .

Material and labour for applying three coats of white wash on new plastered surface of wall including preperation of newly plastered surface complete all as specified and as directed .

Surface excavation n.exc. 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil complete all as specified and as directed.

Material and labour for Hardcore of broken stone or boulders of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 150 mm thick, watered and rammed to a true surface, complete as specified and as directed.

Material and labour for providing 100 mm thick cement concrete 1:4:8 type D2 using 40mm graded stone aggregate as in sub base of floor complete all as specified and as directed

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

Material and labour for 80 mm thick machine pressed precast concrete interlocking paver block any shape and size confirming to IS, M-35 grade, with grey cement and pigments and laid over 50 mm thick sand cushioning complete all as specified and as directed.

Dismantling of Asbestos cement / Transluscent ( corrugated , semicorrugated etc.) sheets as in Roof covering, wall, ridge, hips, valley and flashings etc complete all as specified and as directed .

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

S&F rolled section of grade Fe-410W(Gde E-250) quality A as in main and cross beams hip and jack rafters, purlins where connected to common rafters and running rails and fixed with angle cleats or other connecting plates by welding complete all as specified and directed.

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

Material and labour for 20mm thick plaster in cement mortar (1:4) in two layers, i.e 10mm thick in each layer, 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. Note :- WPC shall be measured and paid separately.

Supply only integral water proofing liquid admixture for concrete and mortar (Make :CONPLAST X421IC of Fosroc /SIKA No 1 of SIKA/equivalent brand of PIDILITE)

Material and labour for preparation of new plastered surfaces of wall and applying two coats of cement base paint over a coat of alkali resistant primer complete all as specified and as directed.

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

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

M&L for applying 3mm thick wall care putty and appling two coats of oil bound distemper over a coat of alkali resistant primer to wall to new plaster surface complete all as specified and as directed.

All as per item No. 85 above but in ceiling complete all as specified and as directed.

M & L for Complete removal of existing treatment of wall including washing, rubbing down and stopping of old treatment and applying two coats of oil bound distemper over a coat of alkali resistant primer to wall over 3mm thick birla wall care putty complete all as specified and as directed.

Material and labour for applying one coat of synthetic enamel paint on old steel surface exceeding 10 cm width or girth including preperation of surface complete as specified and as directed .

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

M&L 20mm 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 including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for glazed ceramic colour tiles 350x 250x 7 mm/ 450X 350X 7mm thick in skirting/dados etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM(1:4) complete all as specified and as directed.

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

Supply and fix anodised aluminium frame for doors, windows, ventilators(including 2/3 track) with one or more rebated including jointing cleats for fixing etc.complete all as specified and as directed

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

M&L for french polishing on surfaces of any description, width or girth including cleaning and preparing the surface including a coat of wood filler on old works with one or more coats french polish complete as specified and as directed.

Material and labour for point wiring (concealed type) with PVC insulated FRLS(Fire retardant low smoke) cable 1100 volts grade unsheathed single core multi-stranded copper conductors 1.5 sqmm (nominal area) for phase, neutral and 1.5 sqmm PVC insulated unsheathed multi-stranded copper conductor cable for earth continuty conductor drawn through and including PVC conduit (medium grade) of adequate size with fittings and accessories as required at site including suitable size of pressed steel boxes of thickness not less than 1.6 mm thick with suitable size of laminated sheet cover 3mm thick, combined with plate and accessories complete for fixing of switches, sockets, regulator etc and earth continuty conductor shall be connected to common earth and earth dolly for one light/fan point controlled by one way 5 amp switch complete all as specified as directed. Note :(i) Cost of cutting chases in wall etc, if any, for housing of box, ceiling rose, wiring etc and making good the disturbed surfaces shall deemed to be included in unit rate.

All as per item No 96 here-in-before but for one 3/5 pin 6 Amps socket outlet on the independent board complete all as specified as directed.

All as per item No 96 here-in-before but for 15 Amps socket outlet but using 2.5 sq mm copper conductor and 2.5 sqmm PVC insulated unsheathed multi-stranded copper conductor cable for earth continuty conductor on the independent board complete all as specified as directed.

Supply and fix switch piano flush button 6 Amp single pole, one way complete all as specified and as directed.

Supply and fix Switch socket combination 5 Pin, 6 Amp flush type complete all as specified and as directed.

Supply and fix switch socket combination 5 Amp/16 Amp 5 pin flush type with complete all as specified and as directed.

Supplying & fixing LED tube light fitting, 1 x 18 watt, 4 feet, 220 volt AC decorative type with driver holder and LED lamp including connecting up with three core flexible cable copper conductor complete all as specified and directed. (Make: Century LED/ Bentec India / Crompton)

Material and labour for earthing with galvanized steel earth plate electrode 600 x 600 x 6 mm thick, buried directly in ground ( earth pit not less than 2.25 mtrs deep below GL) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth lead wire protected by and including 15mm dia GI pipe (Light grade) and 20mm dia GI pipe (medium grade) for watering and connected to control switch as directed including necessary earthwork as in soft/loose soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:1.5:3) type A1 cover slab duly reinforced with 8mm dia TMT bar @ 150mm C/C both way and two Nos lifting handle made of 8mm dia TMT bar and set in cement mortar (1:4), funnel, wire mesh, char coal or coke and salt in alternate layer, testing, etc complete and as specified in electrical plate No 3 of SSR Part I complete all as specified as directed.

Material and labour for sand cushioning with clean dry sand in trenches for cable protection complete all as specified and as directed. (Note:- Punned depth only shall be measured and paid).

Material and labour for brick protection using old size sub class ‘B’ bricks, laid flat dry but jointed, laid length wise, perpendicular to the axis of cable complete all as specified and directed.

Supply, laying, connecting, testing and commissioning of XLPE insulated and PVC sheathed ,armoured heavy duty UG cable with stranded alluminium conductors 16 sqmm x 4 core,1100 Volts grade, laid in trenches/wall/roof/pole/through pipe, including taking down/out old unserviceable cable complete all as specified and as directed. Note :- (i) Pipe and bricks for cable protection and sand cushioning and earth work shall be measured and paid separately.

S & F galvanised iron pipe in 40 mm bore, light grade for protection of UG cable, laid in trenches etc complete all as specified and directed.

Supply and fix of 4 way vertical type TPN DB in double door suitable for four pole MCCB(63A/100A) as incomer including MCCB+12 modules incoming & outgoing, make good of damaged surface/wall including re-connection with existing earth wire to DB incuding taking out the old unserviceable one complete all as specified and as directed.(Note:- MCCB shall be measured and paid seperately).

Supply and fix in repair MCCB four pole 63 amps, 240 volts, 16 KA, with all incoming / outgoing connections suitable for fix 4 way vertical type TPN DB in double door with proper size of aluminium lugs complete all as specified and as directed.

Supply and fix in repair, MCB single pole 6 to 32 amps, 240 volts, 10 KA, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified as directed.

MOTHER LUMIER INDUSTRIES

KAY BEE ASSOCIATES

M/S SHEKHAR TRADING CORPORATION

M/S KARTICK DUTTA

RBS Builders

The Planters Engineering Corporation