ADDN ALTN OF CONFERENCE HALL AT OFFICE COMPLEX AND PROVN OF WATER RESERVIOR, BOOSTER PUMP AND ALLIED WKS AT 2 CBPO UNDER GE (NORTH) KOLKATA

Amount

Taking down chowkats or frames with shutters (without taking off shutters from the frame) not exceeding 1.5 Sqm each complete all as specified and as directed.

Taking down chowkats or frames with shutters (without taking off shutters from the frame) exceeding 1.5 Sqm but not exceeding 4 Sqm each complete all as specified and as directed.

Supply and fix sliding powder coated anodised aluminium window shutters for glazed/ gauged, aluminium section weighing 0.55kg/m including necessary joining cleats, roller rubber neoprene packing/gusket,etc complete all as specified and directed.(Note- Wiremesh/Glass shall be measured and paid separately)

Supply and fix powder coated aluminium frame for doors, windows, ventilators(including 2/3 track) with one or more rebates including joining cleat for fixing etc complete all as specified and directed.

Supply and fix stainless steel wire cloth of 0.36 mm nominal dia of wire and averaging of width of aperture 1.40mm, fixed with stainless steel wire staples complete all as specified and as directed.

Supply and fix 4mm thick sheet glass ordinary quality, glazing with aluminium beads in square/rectangular exceeding 0.5 Sqm in each pane fixed to aluminium frame complete all as specified and as directed.

Supply and fix 4mm thick frosted glass ordinary quality, in square/rectangular not exceeding 0.5 Sqm in each pane fixed to wooden frame complete all as specified and as directed.

Supply and fix 2nd class hard wood, plain, solid , straight chowkats and frames, wrought, framed, rebated on the solid rounded or chamfered put together with glue pinned at joints complete all as specified and as directed.

Supply and fix 35mm thick 2nd class hard wood factory made plain framed panelled door shutters, (two panel) with lock rail and panel of 12mm veneered particle board with commercial veneered on both faces and rail and stiles as per IS 1003(Pt-I), kiln seasoned and chemically pressure treated etc. complete all as specified and as directed.

Supply and fix 35mm thick 2nd class hard wood factory made glazed and skeleton door shutters, open rebated and prepared to received glass/gauge etc (without sash bars) edges of framing plain, chamfered or rounded and mitred , beads for securing glass etc the size of member of shutter as specified in SSR Part-I, clause 8.24 (a) complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C1 (using 20mm graded stone aggregate) for fixing of hold fasts block and similar work including necessary form work complete all as specified & directed.

Supply and fix mild steel work as in hold fast or similar article conforming to Fe-410-0 or Fe-310-0 including tarring and sanding complete all as specified and as directed.

Supply and fix 100 mm size butt hinges, medium weight, stainless steel and fixed complete all as specified and as directed.

Supply and fix 100 mm size butt hinges, medium weight, cold rolled mild steel, and fixed complete all as specified and as directed.

Supply and fix 300mm long aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast-aluminium alloy complete all as specified and as directed.

Supply and fix 150mm long aluminium anodised, barrel tower bolts of extruded section and fixed complete all as specified and as directed.

Supply and fix 150mm size extruded aluminum alloy handle fabricated type anodized (ISI Marked) complete all as specified and as directed.

Supply and fix rolled mild steel Fe-410-w (grade E-250) quality A 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 complete all as specified and as directed.

Material and labour for two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to new steel surface including preparation of surfaces exceeding 10cm with or girth complete all 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.

Supply and fix in repair 25mm dia powder coated aluminium curtain rod fancy type( length from 0.90m to 1.5m)with fancy type end side brackets and fancy type hanging brackets complete all as specified and as directed.

Dismantling of 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 Light shade Vitrified tiles 8 to 10mm thick (square/rectangular) polished, area of each tiles 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 tiles over and including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for Light shade Vitrified tiles 8 to 10mm thick (square/rectangular) polished, area of each tiles n.exc. 0.36 sqm in skirting etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM (1:4) complete all as specified and as directed.

M&L 18 to 20mm thick Granite(of any type)work(table rubbed and polished) in steps, jambs,pillars,window -cills, cooking plateforms 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 in CM 1:6 ,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 as 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.

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 as directed.

Supply only integral water proofing liquid admixture for concrete and mortar complete all as specified and as directed.

Material and labour for rendering 05mm 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 two coats of oil bound distemper over a coat of alkali resistant primer to wall on newly plastered surface including preparation of surfaces complete all as specified and as directed.

Material and labour for complete removal of existing treatment of old plastered surfaces of wall including washing, rubbing down and stopping of old treatement and applying two coats of oil bound distemper over a coat alkali resistant primer etc complete all as specified and as directed.

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

Material and labour for complete removal of existing treatment of old plastered surfaces of wall including washing, rubbing down and stopping of old treatement and applying two coats of anti fungal paint over a coat of alkali resistant primer complete all as specified & directed.

Material and labour for preparation of old plastered surfaces of ceiling and applying one coat of white wash complete all as specified and as directed.

Demolition of brickwork built in cement mortar including all quoins, arches, pillars etc. complete all as specified and as directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Supply and fix in repairs pre laminated particle board 18/19 mm thick, interior grade one side decorative choice lamination & other side balancing white lamination fixed in cup boards shelves with front side 6mm thick teak wood lipping/edging complete all as specified and as directed.

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

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

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

Demolition of cement concrete in ground floors and pavings n.exc. 15 cm thickness (below or above ground level) complete all as specified and as directed.

Material and labour for 75mm thick PCC type D2 (1:4:8) using 40mm garded stone aggragate as in, sub base of floors etc complete all as specified and as directed.

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

Material and labour for sub-main wiring (surface type) with two run of PVC insulated, unsheathed, FRLSH single core, multistranded copper conductor of size 4.0 Sq mm and one run of 4.0 Sqmm copper conductor as continuity earth wire, drawn through and including PVC conduit complete all as specified and as directed. (Note: Two run of 4.0sqmm and one run of 4.0 sqmm copper conductor (for Phase, Neutral and Earth)+One run PVC conduit shall measured as one unit).

Supply and fix Single pole and neutral enclosure 240 Volt, 20 Amps with a two pin earth plug and socket with one single pole MCB complete all as specified and as directed.

Supply and fix voltage stabilizer for automatic operation, single phase naturally air cooled indoor type & designed for input variation between 170Volt to 250Volt with output voltage stabilized at 230Volt of capacity 5.0KVA complete all as specified and as directed.

Supply and install hi wall split units indoor/outdoor with cordless remote control unit and with inbuilt air ioniser and plasma filter for better indoor air quality with minimum 5 star rating and EER 3.2 of capacity 1.5 TR, complete all as specified and as directed.

Supply & fixing GI pipe heavy class of 100mm bore with all fittings and accessories complete all as specified and directed.

All as per Item Ser No. 49 above but of size 80mm bore complete all as specified and directed.

Supply and fix horizontal Centrifugal monobloc pump 20 HP ,3 Phase ,415 Volt ,2900 Rpm having suction and delievery 65 x 65 mm, discharge capacity 708 lpm at 70 mtr head including PCC foundation ,foundation nut bolts and complete installation and testing after electric connection etc all as specified and directed.

Supply and installation of SMC/GRP panel water tank conforming to IS :14399 (part 1 & 2) : 1996, size of tank 8 x4 x 2 mtr of capacity 64 KL including painted grilage for tank complete all as specified and as directed .

Material and labour for construction of brick masonary valve pit of size 1000 x 1000 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:53 above, but of size (900 x 900 x 600mm ( internal dimension) complete all as specified and as directed. .

All as per Item No:53 above, but of size (600 x 600 x 600mm ( internal dimension) complete all as specified and as directed. .

Material and labour for Ductile iron Fittings/CI 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 complete all as specified and directed.

Materials & labour for earthing complete with galvanized earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 40mm dia GI pipe(light grade), alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth strip connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 3 of SSR part-1 and testing on completion including taking out old earthing complete all as specified and as directed.

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) with Funnel 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 Pt I including taking down old earthing complete all as specified as directed.

S & F 100 mm bore cast iron Non Return sluice 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 Non Return sluice valve complete all as specified and as directed. Make: KALPANA / UPADHYA / Zoloto / Leader.

Material and labour for PCC (1:2:4) type B-2 (using 40 mm graded aggregate) for filling in foundation and mass concrete etc complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C-2 (using 40 mm graded aggregate) for filling in foundation and mass concrete etc complete all as specified and as directed.

Surface dressing, n exc 15 cm deep and getting out in soft / loose soil for making the surface plain complete all as specified and as directed

Site clearance and getting out in soft / loose soil for making the surface clean complete all as specified and as directed

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 etc and getting out in soft / loose soil for taking out pipe line 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.

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.

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

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

M&L for cutting hard standing / road for laying of cable / protection pipe not exceeding 30cm wide and not exceeding 30cm deep and making good after laying pipe/ cable etc. with PCC (1:3:6), type C2 (using 40mm graded stone aggregates) matching with existing road complete all as specified and as directed.

Supply and fix galvanised iron pipe in 50 mm bore, light grade for protection of UG cable laid in trenches etc complete with all fitting such as socket or any other item required for fixing of pipe 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 aluminium conductors 35 sqmm x 3.5 core,1100 Volt grade, laid in trenches/wall/roof/pole/through pipe and make good distrubed surface including cable glands of required size of aluminium thimble for making connection,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.

Supply & fixing PVC insulated unsheathed mulstranded copper cable, FRLSH 16 Sqmm for power supply to Motor etc complete all as specified and directed.

Supply and fix in repairs rubber gasket joint(tyton joint) for ductile iron pipe upto 100mm bore with all material including testing complete all as specified and as directed.

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

S & F 80 mm bore cast iron sluice 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 sluice valve complete all as specified and as directed. Make: KALPANA / UPADHAYA / Zoloto / Leader.

All as per item No 76 above, but for size 100 mm bore complete all as specified and as directed.

All as per item No 76 above, but for size 150 mm bore complete all as specified and as directed.

S & F 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 sluice valve complete all as specified and as directed. Make: KALPANA / UPADHYA / Zoloto / Leader.

All as per item No 79 above, but for size 80 mm bore complete all as specified and as directed.

All as per item No 79 above, but for size 50 mm bore complete all as specified and as directed.

S & F 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 sluice valve complete all as specified and as directed. Make: KALPANA / UPADHYA / Zoloto / Leader.

All as per item No 82 above, but for size 80 mm bore 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 84 above but for size 1000 x 1000mm (internal dimension) valve pit complete all as specified and as directed.

All as per item No 84 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 87 above but for 100mm dia complete all as specified and as directed.

All as per item No 87 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 90 above but for 100mm bore of pipe complete all as specified and directed.

All as per item No 90 above but for 150mm bore of pipe complete all as specified and directed.

Relaying of old serviceable cast iron/ DI pipe 80 mm bore obtained from serial no 90 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 93 above but for 100 mm bore obtained from serial no 91 here in before complete all as specified and directed.

All as per item no 93 above but for 150 mm bore obtained from serial no 92 here in before 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 lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 100 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 lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 80 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 lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and 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 99 here in before but for 25 mm bore of pipe complete all as directed.

All as per item No 99 here in before but for 40 mm bore of pipe complete all as directed.

All as per item No 99 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 99 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 103 here in before but for 25 mm bore obtained from serial no 100 here in before.

All as per item no 103 here in before but for 40 mm bore obtained from serial no 101 here in before.

All as per item no 103 here in before but for 50 mm bore obtained from serial no 102 here in before.

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 107 here in before but for 25 mm bore of pipe complete all as specified and directed.

All as per item No 107 here in before but for 40 mm bore of pipe complete all as specified and directed.

All as per item No 107 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.111 above but 25 mm bore complete all as specified & directed.

All as per item No. 111 above but 40 mm bore complete all as specified & directed.

All as per item No.111 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 / Vectus / M/S Fusion Industries Ltd/KPT

All as per item No. 115 above but 40 mm bore complete all as specified & directed.

All as per item No.115 above but 32 mm bore complete all as specified & 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. (MAKE: Sintex/ Rotax/ Polycon/ Oriplast/ Tusker )

All as per item No.118 above but 1000 litres complete all as specified & directed.

All as per item No.118 above but 500 litres complete all as specified & 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 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.

S & F 80 mm bore cast iron Non Return sluice 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 Non Return sluice valve complete all as specified and as directed. Make: KALPANA / UPADHYA / Zoloto / Leader.

S B ENTERPRISE (BID ID -3396390)

M/s Santosh Industrial Corporation (BID ID -3397182)

EAST COAST STANDARD PRODUCTS (BID ID -3396244)

KAIZEN INDUSTRIES (BID ID -3397691)

ChakrabortyTraders (BID ID -3397732)

Abida Enterprises (BID ID -3397991)

SOMIK DAS (BID ID -3394725)

CHOWDHURY SMALL INDUSTRIES (BID ID -3397496)