ADDN/ALTRN TO BUILDING NO P-333 AND 99/1/K ALONGWITH ASSOCIATED WORKS AT AF STN 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. 1.5m wide and n.exc1.5m depth for foudation, laying of under ground cable, laying of pipe line or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth. and getting out in soft/loose soil complete all as specified and directed.

All as per item No. 2.00 depth exc 1.5m but n. exc 3.00m and -ditto-

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 not exc 50 m and depositing where directed at a level not exc 1.5 m above the starting point as in soft/loose soil complete all as specified and directed.

Demolition of brick work or stone boulder masonry, built in cement mortar including all quoins, arches, pillars etc. including removing of unserviciable bricks and debris from site complete all as specified and directed.

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

Demolition of cement concrete (un-reinforced) of any description and in any position including removing debris from site of work complete all as specified and directed.

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

Dismanting of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and 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 soling (or sub base) of well burnt soling bricks old size bricks, one layer laid flat including filling of interstices and rolling 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.

Material and labour 100mm thick PCC (1:2:4), type B-1 (using 20 mm graded stone aggregate) as in sub-base or base course of floor complete all as specified and directed.

Material and labour for RCC (1:2:4) (nominal mix) type B-1 (using 20mm graded stone aggregate) as in foundations, including rafts, footings, foundation beams, plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete all as specified and directed.

Material and labour for RCC (1:2:4) (nominal mix) type B-1 (using 20mm graded stone aggregate) as in columns, pillars, piers, posts and struts complete all as specified and 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 over 1.5m span complete all as specified and directed.

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

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work or concrete surfaces with using water proofing coumpound (WPC) @ 200 ml/ bag (50 Kg) of cement or as per manufacturers instruction and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed. Note : WPC will be measured and paid separately under respective item.

Material and labour for 15mm 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 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.

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. Note : WPC will be measured and paid separately under respective item.

Materials and labour for form work to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter with rough finished flat surfaces of concrete complete all as specified and directed.

Materials and labour for form work to sides of pillars, posts, struts, piers, columns and stanchions with rough finished square, rectangular or polygonal surface of concrete complete all as specified and directed.

Materials and labour for 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.

Material and labour for mild steel TMT bar 10mm 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.

All as per item No 28.00 above but 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders and .-ditto-.

Supply and fix gypsum tiles suspended ceiling system with gypsum sand (board) edge tiles with 24 mm exposed grid. The tiles should have PVC face with aluminum foil back to resist heat, light reflectance >85%, thermal conductivity k = 0.24 w/m K, colour white, fire performance Class 0/Class 1 (BS – 476 Part -6 & 7) in module size of 600mm x 600mm x 8mm and the weight is 7kg/sqm with Green Building application.The grid should be 24mm wide T - section flanges colour white having rotary stitching on all T sections i.e., the Main Runner, 1200 mm & 600 mm Cross Tees with a web height of 32 and a load carrying capacity of 23.78 Kg/sqm. The T Sections have a Galvanizing of 90 GSM (grams per sqm). Installation: To comprise main runner spaced at 1200mm centers securely fixed to the structural soffit using suspension system (specifications below) at 1200mm maximum centre. The first/last suspension system at the end of each main runner should not be greater than 450mm from the adjacent wall. Contd...

Flush fitting 1200mm long cross tees to be interlocked between main runners at 600mm centre to form 1200 x 600 mm module. Cut cross tees longer than 600mm require independent support. 600 x 600mm module to be formed by fitting 600mm long flush fitting cross tees centrally between the 1200 mm cross tees.Perimeter trim to be wall angles of size 3000x19x19mm, secured to walls at 450 mm maximum centres. The accessories consisting of M6 Anchor Fasteners with Vertical Hangers made of Galvanised steel of size 26 x 26 x 25 x 1.2mm with a Galvanised Thickness of 80gsm, A pre straightened hanger wire of dia – 2.68 mm of 1.83 m length., thickness of 80gsm and a tensile strength of 344-413 MPa, along with adjustable hook clips of 0.8mm thick, galvanised spring steel for 2.68 mm with a minimum pull strength of 110 kg. The adjustable clip also consists of a 3.5 mm aquiline wire to be used with the main runner complete all as specified and directed. Make : KNAUF CEILING SOLUTIONS/ Saint Gobin / Lafarge/ EVEREST.

Providing and laying 80mm thick factory made chamfered edge cement concrete paver block of M-30 grade with approved colour, design & pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of coarse sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver block as per required size and pattern, finishing and sweeping extra sand complete all as specified and directed

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

Material and labour for structural steel work in tubular trusses, post, purlins, rafter including special shaped washer etc. complete using ERW or induction butt welded tubes complete all as specified and directed.

Material and labor for 19mm thick UPVC modular furniture cabinets with 1mm laminate finish having provision of shelf, partition with openable shutter duly accommodate accessories, inside depth not less than 0.50 M, water proof, termite & borer proof, corrosion free and auto soft closer counter sunk hinges, stainless steel handles (buff finished) complete all as specified and directed. Note :- (a) Front facing area shall only be considered for payment. (b) The cost of other minor accessories if required as per site requirement shall be included in the quoted rate.

Material and labor for 19mm thick UPVC modular furniture cabinets with 1mm laminate finish having provision of shelf, partition with front side open (without shutter) duly accommodate accessories, inside depth not less than 0.50 M, water proof, termite & borer proof, corrosion free complete all as specified and directed. Note :- (a) Front facing area shall only be considered for payment. (b) The cost of other minor accessories if required as per site requirement shall be included in the quoted rate.

Supply and fix 12mm thick (7 Nos of ply) veneered decorative plywood, grade 1 (with BWR resin) with decorative face veneers on both faces; fixed with screws to timber frame work 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.

Material and labour for cutting holes into or through brick wall built in cement mortar of superficial area not exc 150 sqcm and making good in CM (1:3) or cement concrete (1:2:4) type B-1 as required complete all as specified and directed.

Material and labour for repairs to uneven surface of concrete and reinforcement from drop of fins, facias, chajjas using necessary scaffolding and making good disturbed portion with rendering cement plaster, 10mm thick in cement mortar (1:3) and finished even and smooth without using extra cement complete all as specified and directed.

Supply and fix 12 mm thick frameless toughened glass door shutter (single or double leaf) of approved brand and manufacture, including providing and fixing top & bottom pivot, floor door spring and arrangement and making necessary holes etc and fixing required door fittings( fancy type handle, locking arrangement complete all as specified and directed. Note: - Door handle, locking arrangement, floor spring and top & bottom pivot for glass door shall be measured and paid seperately under respective items as supply only.

Supply only fancy type door handle, locking arrangement, floor spring and top & bottom pivot suitable for glass door 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.

All as per item No 42.00 above but in skirting and dado laid over and including 10mm thick rendering in cement mortar (1:4) and -ditto-.

Supply and fix steel rolling shutters, thickness of laths in 1.25mm, without ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer erected in position as indicated, complete, gear operated type with bevel gear box and crank handle 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 8 to10mm 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.

Supply and fix 3.25mm thick aluminium composite panel having 0.25mm thick aluminium coil coating of approved colour as approved by GE and fixing to the frame at any height as per manufacturer instruction complete all as specified and directed. Make:- Aluminium Tech Industries / Alucobond / Alstone International Note:- Frame work shall be measured and paid seperately under respective items.

Material and labour for closing bolt / screws holes etc. in old corrugated steel sheets or aluminium sheeting by sealing with one bitumen and one curved GI washer on either side and 6mm G.I. bolts and nuts, all set in stiff white lead, bolt n exc 25mm in length complete all as specified and directed.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided including reinforcement cut as required to facilitate demolition and removing debries from site of work completeall as specified and directed.

Complete removal of existing roof treatment in any layers and disposal of debris from site complete all as specified and directed. Notes: - (a) The rates are inclusive of removal for any type of old water proofing treatement over main RCC slab. (b) Bidders are advised to visit the site and esure about site condition before quoting their rates. (c) Demolition of PCC shall be measured and paid saparately under respective items.

Material and labour for PCC (1:2:4) type B0 (using 12.50 mm graded stone aggregate) mixed with water proofing compound @ 200 ml per bag of cement (50 Kg) or as per manufacturer instruction as in levelling course to match undulation of roof, in coving, roof kerbs including benching or mud stops, rounded or chamfered on edges etc including necessary form work and finished the rough surface complete all as specified and directed. Note : WPC will be measured and paid separately under respective item.

Material and labour for 5mm thick rendering in cement mortar (1:3) with using water proofing coumpound (WPC) @ 200 ml per bag of cement (50 Kg) or as per manufacturers instruction on roof top while concrete is green to become integrated part of concrete padding layer and finish the surfaces even and smooth without using extra cement complete all as specified and directed. Note : WPC will be measured and paid separately under respective item.

Supply only liquid water proofing compound (WPC) complete all as specified and directed.

Material and labour for water proofing treatment to RCC roof surface comprising with the following course of treatment/specifications from bottom to top :- (a) Applying cold bituminous primer (water based) @ 0.30 liters per sqm confirming to IS 3384 over plastered surfaces of roof. (b) One layer of APP based polymeric membrane 3mm thick, weight not less than 3.50 kgs per sqm, reinforced with non woven polyester matt central core fabric (weight not less than 160 GSM) and coated on both side with and including layer of APP modified bitumen and finished with and including micro-prefabricated heat fusible polythene film on both surfaces. (c) Finally applying two coats of bituminous aluminum paint @ 0.10 ltrs per sqm per coat on top surface. Contd...

Note:- (i) The work shall be executed only through authorised applicator of manufacturer as approved by GE. (i) Laying of APP based polymeric membrane shall be done by torch on method or as per manufacturers instructions. (ii) A minimum overlap of 150mm and 100mm should be made in the end and sides of the polymeric membrane respectively and sealed all overlaps and joints as per manufacturers instructions. Make of APP membrane:- Super Thermolay of M/s STP Ltd, Hyperplas of M/s IWL India Ltd, Hydrostop of M/s Tiki Tar Danosa (India) pvt ltd, , M/s FOSROC Chemicals, Smartcare APP membranes of M/s Asian Paints Ltd.

Material and labour for 20mm thick jet black granite for top shelves (of any type) work (table rubbed and polished) in cupboard shelves, steps, jambs, window cills, cooking platforms and like in cement mortar (1:4) including pointing, grooving to wall etc with white cement using marble dust with admixture of pigment to match with shade of granite including moulding/nosing fixed independently 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 zinc chrome primer complete all as specified and directed.

Supply and fix 10 mm thick toughned glass as in hinged doors, partitions automatic doors, windows and similar work including cutting to shape, drilling holes required complete all as speified and directed.

Taking down copper/aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc. removing materials from site and making good disturbed surfaces of walls, floors, etc 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 heavy duty rigid non metalic 20mm dia PVC conduit with accessories including modular flush metal boxes for housing switches, sockets and regulators with all fittings and fixing materials with one single core PVC insulated unsheathed 1.5 sqmm (nominal area) multistranded FRLSH copper conductor as earth continuity wire and connected to earth dully complete all as specified and directed. Note:- (a) 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. (b) Quoted rate shall be included for cuttings /chasing the wall and making good disturbed surfaces to fix PVC conduit and modular flush metal boxes. (c) Accessories like inner and outer modular cover plates shall be measured and paid seperately under respective items.

All as per item No. 58.00 here-in-before but for one five pins 5 Amps switch socket outlet point on independent board and -ditto-.

All as per item No. 58.00 here-in-before but for one five pins 5 Amps socket outlet point on same board and -ditto-.

All as per item No. 58.00 here-in-before but for 15 amps socket outlet on independent board with 2.5 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade including 2.5 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade as earth continuity conductor and connecting to common earth dolly and -ditto-.

All as per item No. 58.00 here-in-before but for metal clad socket on independent board with 4 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade including 4 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade as earth continuity conductor and connecting to common earth dolly and -ditto-.

Supply and fix modular switch 1 way 6 amps, 1 module complete all as specified and directed

Supply and fix modular switch 1 way 16 amps, 1module complete all as specified and directed.

Supply and fix modular shuttered sockets 6 amps, 2/3 pin combined two module complete all as specified and directed.

Supply and fix modular shuttered sockets 6/16 amps, 2/3 pin combined two module complete all as specified and directed.

Supply and fix modular fan regulator step type 120W, 2 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 3 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 8 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 6 module complete all as specified and directed.

Supply and fix ceiling fans complete with blades, down rods, and accessories, 230 V, 1200 mm sweep. minimum air delivery 210 CFM with service value 6.00 BEE. 5 star rated with brushless direct current motor (BLDC) complete all as specified and directed. Make : Crompton Greaves /HAVELLS/ ORIENT/ USHA.

Material and labour for making hole to the existing brick wall for inserting 40mm G.I pipe including making good to the distributed wall complete all as specified and directed.

Material and labour for galvanised steel tubing of 40mm dia (medium grade) for hanging of fan with clamp / hook complete all as specified and directed.

Material and labour for concealed sub-main wiring comprising single core , 2 runs of 6 sqmm nominal cross sectional area, FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 volts grade drawing in and including 25mm dia of non metalic heavy duty PVC conduit and its fittings complete including provision of 1x6 sqmm nominal cross sectional area, single core FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 Volts grade as earth wire including taking down old unserviciable existing sub- main wiring complete all as specified and directed. Note :- (i) Extra length of cables/ wire required for connection to MCBs/DB's shall be included in quoted rate. (ii) Cuttings /chasing of wall etc and making good the disturbed surface shall be included in the quoted rates.

Supply and fix in repair industrial plug and socket type DB (functional unit) 20 Amps capacity with provision of single pole 20 amps MCB, plug top and earth plug, grouted flush to walls complete all as specified and directed.

Supply and fix in repair sheet metal enclosure TPN 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 in repair sheet metal enclouser SPN DB 8 ways double door having facility to fix MCB in incomer and MCBs in outgoing, IP-43 type complete fitted with bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix in repair MCB TPN, 240 Volts, 100 amps, "C" series, breaking capacity 10 KA complete all as specified and directed.

Supply and fix in repair MCB SPN, 240 Volts, 40 amps, "C" series, breaking capacity 10 KA complete all as specified and directed.

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

Supply and fix in repair LED tube light fitting 1 x 20W (+/- 5%), 220V, AC with extruded strip in thermally conductive material & extruded housing in optically efficient material milky white with system lumen efficacy > 120 lumen per watt minimum system 2300 - 2400 and chip, Integrated electronic driver, SMD based LED constant current supply with double sided connection to avoid short circuit and surge protection greater than 2.5 KV, IP 20 protection and CRI>80, Power factor > 0.95, THD less than 15%, correlated Colour temperature (CCT) of 6500K, Operating Voltage of 140 V to 270 V, frequency of 50Hz burning hours 50000 hours with comprises of CRCA pre coated metal housing complete all as specified and directed

Supply and fix in repair 36 W LED recessed ceiling light with glare free uniform illumination, white powder coated CRCA housing, with transulcent frosted diffuser and driver inbuilt 4KV surge protection, efficacy > 100 lm/W, CRI ≥80, 5700K suitable for 600 x 600 mm (2 feet x 2 feet) grid ceiling complete with all accessories including internally prewired connecting upto flexible copper conductor cable of suitable size complete all as specified and directed.

Supply and fix LED spot light 3 watt warm white, flush mounted, built in polycarbonate material driver inbuilt surge protection, operating voltage range 230 V AC, CCT 3000K complete with all accessories prewired wire for connection complete all as specified and directed.

Material and labour for shifting of existing meter box and fixed it to near by wall / Varandah including dressing of cable and fixing with proper lugs and gland complete all as specified and directed

Material and labour for shifting of serviceable split type AC of any capacity from one location to another location complete all as specified and directed. Note: Cost for spares such as fast nut bolts etc shall be included in quoted rates.

Material and labour for making holes for LED flush mounted spot light 03 Nos in existing wooden show case board and lights connected with suitable size copper conductor wire including cliping and further connected to the nearest point wiring control by one switch complete all as specified and directed Note: - LED spot light shall be measured and paid seperetely under respective items.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 35 Sqmm, 3.5 core, 1100 Volts grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs including taking down old unserviciable existing XLPE cable 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.

MMaterial and labour for sand cushioning with clean and dry river sand for protection of XLPE 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.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and directed.

Materials and labour for boring for passing GI protection pipe up to 50 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 GI tubing of size 50 mm dia (light grade) with all fittings, laid in trenches / road crossing etc. for protection of cables complete all as specified and directed.

Das and Brothers (BID ID -3367029)

PIONEER (BID ID -3366848)

M/S. NARSINGH ENGINEERING (BID ID -3367012)

TAPAS ENGINEERING CO (BID ID -3367502)

KUMAR ENTERPRISE (BID ID -3366811)

BARRACKPORE ENTERPRISE (BID ID -3366599)

NARAYAN BUILDERS (BID ID -3367330)