PROVN OF TOILETS AND MISCELLANEOUS B/R AND E/M WORKS AT AF SCHOOL BARRACKPORE AND INSTALLATION OF ANTI-SUICIDE FAN RODS AT CERTAIN LOCATION (PH-I) AT AF STN BARRACKPORE UNDER GE (AF) BARRACKPORE

Amount

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

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 m in depth for foundation etc or for shafts, wells, cess pits man holes, pier holes etc n.exc 10 sqm on plan and n.exc 1.5 m in depth 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 material to a distance n. exc 50m and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and as directed.

Materials and labour for sand filling under floors or in foundations including watering and consolidation complete all as specified and directed.

Material and labour for hardcore of broken stone or boulder of gauge n.exc 63mm, deposited, spread and leveled in layers n.exc 15cm thick, watered and rammed to a true surface complete all as specified and directed.

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

Materials and labour for 40mm thick damp proof course in cement concrete (1:2:4), type B-0 (12.5mm graded stone aggregate) with WPC as per manufactures instructions to horizontal or vertical surfaces including necessary formwork and polythene film, 150 micron thick, laid on a coat of bitumen primer, @ 0.30 to 0.50 kg per sqm complete all as specified and directed.

Material and labour PCC (1:3:6) type C1 (using 20 mm graded stone aggregate ) as in surface channels and drains complete all as specified and directed.

Material and labour for precast RCC (1:2:4) type B1 (20 mm graded agregate) as in landings, cover slabs (for man holes etc.), chullha hoods, chajjas, water troughs, shelves and similar articles of any thickness and any size as required at site set jointed and pointed in cement mortar (1:4) including necessary form work complete all as specified and directed.

Material and labour for PCC (1:2:4), type B0, (using 12.5mm graded stone aggregate), as in coping, bed plate, kerbs, water troughs and like including weathering, slightly rounded or chamfered angles and throating, including necessary formwork complete all as specified and as directed

Material and labour for RCC (1:2:4) (nominal mix) type B-1 (using 20mm graded stone aggregate) as in beams, cantilevers, bressummers, lintels complete all as specified and directed.

Material and labour for cutting chases in brick wall, pinning in making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc. and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exc 10 cm girth complete all as specified and directed.

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

Materials and labour for half brick thick brick work with fly ash bricks straight or curved on plan to any radius built in cement mortar (1:4) complete all as specified and as directed.

Form work to sides and soffits of floor or roof beams, slab, girders, bres-summers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc. with rough finished flat surfaces of concrete complete all as specified and directed.

Supply and fix solid PVC door frame of size 50x47 mm made out of 5 mm plain coloured PVC sheet reinforced with mild steel square tube as per specification and drawing given on MES schedule Part–II (2020) complete all as specified and directed.

Supply and fix 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 complete all as specified and directed.

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

Suplly and fix 150 mm long aluminum anodised barrel tower bolts cast type complete all as specified and directed.

Supply and fix 150mm long aluminium handles, cast type, anodized complete all as specified and directed.

Material and labour for mild steel TMT bar 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 and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

Supply and fix structiral rolled mild steel joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) conforming to Fe-410 W (Gde E-250) quality-A including one shop coat of red oxide zinch chrome primer complete all as specified and directed.

Supply and fix structiral rolled mild steel plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment complete all as specified and directed.

Supply and fix 0.50mm thick pre-painted galvalume aluminium Zinc coating GI based corrugated / semi corrugated steel sheet of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as per manufacturer instruction complete all as specified and directed.

Supply and fix 0.50mm thick pre-painted galvalume aluminium Zinc coating GI based plain steel sheet of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as per manufacturer instruction complete all as specified and directed.

Supply and fix suspended false ceiling with 'E' grid suspended ceiling grid system of grid size 600x600mm with GI framed work of main runner 38x24mm sheet thickness 0.4mm, cross tee 28x24mm sheet thickness 0.3mm and wall angle 24x24x0.3mm incl 4mm thick non asbestos fibre cement bldg disigner board conforming to IS- 14862 type B cat 3 of oceanic texture and of any colour of size 595x595mm to be placed in the grid suspended by 4mm dia GI wire at distance n.exc. 1.20m centre to centre with butterfly clips complete all as specified and directed. Note: Work shall be executed through authorised applicator of OEM as approved by GE. Make: Armstrong/ Saint Gobain/ Lafarge/ Everest.

Supply and fix anodised powder coated (minimum thickness of powder coating 50 micron)aluminium ventilator shutters, fixed type without sash bar, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws etc. complete all as specified and directed.

Material and labour for 75mm thick PCC (1:4:8) type D2 (using 40mm graded stone aggregate) as in sub base of floor and paving etc complete all as specified and as directed.

Material and labour for 75mm thick PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) as in plinth protection including finishing the concrete surface even and smooth with using extra cement including forming of construction joints at 3 meter intervals of 30mm deep x 10mm wide filled with sealing compound type-A complete all as specified and directed.

Material and labour for glazed ceramic tiles of size 350x250x7 mm / 450x350x7mm (premium quality) coloured in vertical surfaces such as riser of steps, skirting, dado and pillar set and jointed in neat cement slurry and pointed in white or coloured cement to match laid over and including 10mm thick cement plaster in cement mortar (1:4) complete all as specified and directed.

Material and labour for ceramic, non skid coloured tiles (premium quality) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11sqm but not exc. 0.18sqm as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles laid over and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and directed.

Material and labour for joint free anti skid outdoor pavement coloured tiles (good grip series) of size 300 x 300 x 7-8mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles laid over and including 20mm thick screed bed in cement mortar (1:6) complete all as specified and directed.

Material and labour for 20mm thick black marble (black zebra Kishangarh) tiles machine cut and jointed with grey cement slurry including cutting and polishing of type laid over and including 20mm thick cement screed bed or bedding layer in CM (1:6) complete all as specified and directed.

Material and labour for rounding to edges of stone slabs one edge, such as in steps, cooking platform, and other similar situations complete all as specified and directed.

Material and labour for 15mm thick rendering on fair faces of brick work or concrete surfaces in cement mortar (1:4) and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for 10mm thick rendering on fair faces of brick work or concrete surfaces in cement mortar (1:6) and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of acrylic washable distemper over a coat of alkali resistance primer over 2mm thick wall care putty complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of 100% premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming one coat of exterior primer applied @ 0.90 litre/ 10 sqm complete all as specified and directed.

Material and labour 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 zinch chrome primer complete all as specified and directed.

Supply and fix 4 mm thick frosted sheet glass ordinary quality and glazing with oil putty / wooden bead in square not exc 0.5 Sqm in each pane complete all as specified and directed.

Supply, hoist and fix 1000 litre capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) all as specified in SSR Part-I complete all as specified and directed.

Supply and fix 20mm dia ball valve high pressure high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed (minimum weight 210 gm) complete all as specified and directed.

Supply and fix 20mm bore gun metal globe or gate valve, with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

Supply and fix 15 mm bore GI tubes (medium grade) with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Supply and fix 20 mm bore GI tubes (medium grade) with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Supply and fix 25mm bore gun metal globe or gate valve, with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

Supply and fix 25 mm bore steel tubes medium grade, galvanised, with all fitting and laid in trenches complete all as specified and directed.

Supply and fix counter sunk oval shaped vitreous china white Wash Hand Basin of size 510mmx405mmx185mm , including cutting for and pinning in ends of brakets or erecting stand including 32mm dia bore waste fitings cast copper alloy chromium plated with long screwed shanks and flynuts flange and bedded in red lead cement, 32mm dia PVC waste pipe 800mm long complete all as specified and directed.

Supply and fix in health faucet (ABS Body) mild steel chromium plated suitable for 15 mm dia pipe with 1.50 metre long flexible tube and ABS wall hook including making connections and fixed in position complete all as specified and directed.

Supply and fix 15mm bore stop valves, cast copper alloy, fancy type, chromium plated with long shank and cup screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions complete all as specified and directed.

Supply and fix 15mm bore swan neck fancy type pillar tap cast copper alloy chromium plated, with crutch or handles screwed down for iron pipe complete all as specified and directed.

Supply and fix 15mm bore fancy type, chromium plated, bib tap, cast copper alloy with crutch or butterfly handle, screwed down for iron pipe or for brass ferrule complete all as specified and directed.

Supply and fix 15mm bore cast copper alloy angle cock fancy type, chromium plated for iron pipe complete all as specified and directed.

Supply and fix cast Iron floor trap with grating of 75 mm dia outlet including jointing to waste pipe fixed in cement concrete type (1:2:4) B-1 (using 20mm graded stone aggregate) complete all as specified and directed.

Supply and fix 75mm dia cast iron nahani trap with gratings including joining to waste pipe fixed in cement concrete type B1 (1:2:4) (using 20 mm graded stone aggregate) complete all as specified and directed.

Supply and fix vitreous china white wash down water closet pan (pedestal pattern) with ‘P’ or ‘S’ trap, front or back inlet, fixing bolts and making all necessary connections including plastic water closet seat, black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device complete as specified and directed.

Supply and fix 10 ltr capacity PVC valve less, syphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe complete all as specified and directed.

Supply and fix vitreous China bowl urinal flat back, size of 465 x 355 x 265 mm white (minimum), with grating and union for discharge 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 including automatic flushing cistern with brackets, 32mm dia flush pipe, grating and union for discharge pipe incl 32mm dia CP waste coupling and CP Urinal spreader for fixing with 15 mm dia pipe complete all as specified and directed.

Supply and fix vitreous china urinal partition white of size 310x700 mm, partitions terminating about 40cm above floor line complete all as specified and directed.

Supply and fix unplasticised 50mm dia PVC pipes of pressure rating 10 kgf/cm2 fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

Supply and fix 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints including all fittings fixed to walls or laid on floors complete all as specified and directed.

Supply and fix 75 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint laid in trenches or fixed to wall complete all as specified and directed.

Supply and fix 110 mm bore PVC (SWR) bends any radius with access door complete all as specified and directed.

Supply and fix 75 mm bore PVC (SWR) bend any radius with access door complete all as specified and directed.

Supply and fix PVC connection pipe 15 mm size with PTMT nuts at both ends of length 600 mm complete all as specified and directed.

Supply and fix 100mm dia stainless steel grating doom with waste hole complete all as specified and directed.

Supply and fix 100mm dia stainless steel grating doom without waste hole complete all as specified and directed.

Supply and fix soap dish, cast copper alloy chromium plated, fancy type complete all as specified and directed.

Supply and fix 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.

Material and labour for cement concrete (1:4:8) type D-2 (using 40 mm graded stone aggregate) as in bed to drain pipes of 150 mm bore including packing under and haunching against the sides of pipe after they are laid and tested complete all as specified and directed.

Materials and labour for 150mm bore reinforced concrete pipes, class NP2, laid and jointed complete with collars laid in trenches complete all as specified and directed.

Cutting into existing manholes for connecting new drain pipe of dia 150mm, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete (1:2:4) type B-1 (using 20 mm graded stone aggregate) smooth finished, and reforming benching as required complete all as specified and directed.

Cutting existing 100mm dia CI/GI/DI pipes for reducing to required length and removal of blockage, cleaning of joints tec and making good including testing complete all as specified and directed.

Cutting existing 100mm dia CI/GI/DI pipes for insertion of new Tees, branches etc and making good including testing complete all as specified and directed.

Material and labour for light/fan point wiring (concealed type) with single core PVC insulated unsheathed multistranded FRLSH copper conductor cable of 1100 volts grade size 1.5 sqmm (nominal area) in and including 20mm dia heavy duty rigid non metalic PVC conduit with accessories including 1.2mm thick pressed steel terminal boxes in recess to existing wall surface with 3mm thick bakelite sheet top cover (ISI marked) fixed with chromium plated brass screws and cap washers suitable for housing switches, sockets and regulators with all fittings and fixing materials with one single core PVC insulated unsheathed multistranded FRLSH 1.5 sqmm (nominal area) copper conductor as earth continuity wire and connected to earth dolly complete all as specified and directed. Note: Red coloured cable shall be used for live connection, black coloured cable shall be used for neutral connection and green coloured cable shall be used for earthing. Separate cable for earthing and neutral to be used for each individual circuit from the distribution board.

Supply and fix switch piano flush type one way 6 amps 240 volts, single pole complete all as specified and directed.

Supply and fix ceiling rose, 3 terminals, fabricated of PVC/Polycarbonate, isolated body complete all as specified and directed.

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 300mm sweep, 1400 RPM with, blades, frame, louvers and making good distributed surface for opening/hole for exhaust fan complete all as specified and directed. Make : Crompton Greaves /HAVELLS/ ORIENT/ USHA. Note:- (a) The item rate is inclusive of making holes for the installation of exhaust fan as per site condition all as specified and directed by Engr-in-charge. (b) The louvers for the exhaust fan shall be made of aluminium sheet suitable and properly fixed to the opening.

Supply and fix LED lights fittings with extruded aluminium housing, high quality PC diffuser, efficacy- 125lm/W, 20 watt, 220V, AC, 6500K, CRI ≥80, 4 feet long, integrated design including connecting up with flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed. Make:- Crompton /Wipro / Philips/ GE.

Supply and fix LED lights fittings with extruded aluminium housing, high quality PC diffuser, efficacy- 100lm/W, 10 watt, 220V, AC, 6500K, CRI ≥80, 2 feet long, integrated design including connecting up with flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed. Make:- Crompton /Wipro / Philips/ GE.

Supply and fix LED street light fitting 30 Watt 230 V AC outdoor type with high pressure die cast housing toughened glass, 5700K, IP 66 protection inbuilt surge protection, efficacy ≥ 110LPW, high powered LED complete all as specified and directed. Make:- Crompton /Wipro / Philips/ GE.

Supply and fix sheet metal enclosure SPN DB 4 ways double door having facility to fix MCB in incomer and MCBs in outgoing, metal door IP-43 type complete fitted with bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix MCB SPN, 240 Volts, of 32 amps current rating, 10 KA breaking capacity "C" series complete all as specified and directed.

Supply and fix MCB SP, 240 Volts, of 6 to 32 amps current rating, 10 KA breaking capacity "C" seriescomplete all as specified and directed.

Material and labour for street light bracket made of 1.5 meter long GI pipe of light grade of 40 mm dia in proper shaped, bend, threaded and drilling holes for wire entry and MS clamps of flat iron of size 40x5mm of suitable length in 2 pairs incl nut bolts etc of suitable size complete all as specified and directed.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 10 Sqmm, 2 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs complete all as specified and directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Material and labour for sand cushioning with clean and dry river sand for protection of UG cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and directed. Note:- Punned down thickness shall be measured for payment.

Material and labour for brick protection cover to underground cables with sub class ‘B’ bricks of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat complete all as specified and directed.

Materials and labour for boring for passing GI protection pipe up to 40 mm bore (dia) under road / footpath without disturbing the top surface complete all as specified and directed Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Supply and fix 40mm bore GI pipe (light grade) with all fittings for protection of cables to cross under road, hard standing, pavement etc complete all as specified and as directed.

Materials and labour for 25mm dia high density polyethylene pipes (HDPE) of pressure rating 6 kgf/cm2 with all fittings for passing of cable through PCC foundation from trnch to junction box complete all as specified and directed.

Taking down and refixing only ceiling fan after installation of Anti Suicide Fan rod duly connecting up with round flexible copper conductor FR PVC insulated and sheathed 3 core multi stranded of size 1.5 Sqmm from ceiling rose to connector of ceiling fan complete with testing complete after cleaning of fan and accessories all as specified and directed . Note :- (i) Cost of FR cable PVC insulated unsheathed multistranded round flexible copper conductor 1100V grade 3 core 1.5 Sqmm from ceiling rose to connector of ceiling fan shall be deemed to be included in the quoted rate. (ii) Supply and installation of anti suicide rod shall be measured and paid seperately in respective item.

Supply and fix "Gold Life" Anti Suicide fan Rod (10"/250mm) white/brown in colour, MS pipe zinc coated 19mm outer dia, 1.8 ± 0.005 mm thick, spring set grade 3 carbon steel material zinc plated, MSME tested for performance test and opening at impact load of 22 kgf + and spring 'hidden in the pipe' shall expand to about 1.00 meter or more complete all as specified and directed.

Supply and fix "Gold Life" Anti Suicide fan Rod (12"/300mm) white/brown in colour, MS pipe zinc coated 19mm outer dia, 1.8 ± 0.005 mm thick, spring set grade 3 carbon steel material zinc plated, MSME tested for performance test and opening at impact load of 22 kgf + and spring 'hidden in the pipe' shall expand to about 1.00 meter or more complete all as specified and directed.

Supply and fix "Gold Life" Anti Suicide fan Rod (18"/450mm) white/brown in colour, MS pipe zinc coated 19mm outer dia, 1.8 ± 0.005 mm thick, spring set grade 3 carbon steel material zinc plated, MSME tested for performance test and opening at impact load of 22 kgf + and spring 'hidden in the pipe' shall expand to about 1.00 meter or more complete all as specified and directed.

KUMAR ENTERPRISE (BID ID -3076449)

ZENITH CONSTRUCTION (BID ID -3077723)

BIKASH CHANDRA NEOGI (BID ID -3078133)

SARKAR AND COM (BID ID -3077288)

BANERJEE CONSTRUCTION (BID ID -3077868)

Oenix and associates (BID ID -3077973)

NARAYAN BUILDERS (BID ID -3078044)