CONSTRUCTION OF PM SHRI SINGLE LAB OF SIZE 7.00 X 10.60 MTR AT KENDRIYA VIDYALAYA ARUVANKADU UNDER GE WELLINGTON

Amount

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 Sq m on plan and not exceeding 1.5 m in depth and getting out in Hard /Dense soil complete all as specified and directed.

Excavation over areas, not exceeding 1.5m deep and getting out in hard / dense soil complete all as specified and directed.

Excavation over areas, exceeding 1.5m deep and not exceeding 3.0m getting out in hard / dense soil complete all as specified and directed.

Removing excavated soil/ material to a distance exceeeding 250m and not exceeding 500m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick each, layer complete all as specified and directed

Plain cement concrete 1:4:8 type D2 using 40 mm graded stone aggregate as in foundation, filling and mass concreting, complete all as specified and directed.

Use and waste of timber as in formwork to sides of concrete foundations, footings, base of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams under-reamed piles and mass concrete and similar work, vertical or to batter flat surface fair finished complete all as specified and directed.

Reinforced cement concrete M-25 design mix using 20 mm 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 all as specified and directed.

Use and waste of timber as in formwork for rough finished surface of concrete columns, pillars, piers, posts (Square or rectangular) with fair finished surface of concrete complete all as specified and directed.

Reinforced cement concrete M-25 design mix using 20 mm graded stone aggregate in columns, pillars, piers, posts etc all as specified and directed.

Use and waste of form work to sides and bottom of floor or roof beams, lintels, cantilevers, shelves includingsupports, overhangs etc for flat fair finished surface of concrete complete all as specified and directed.

Reinforced cement concrete M-25 design mix using 20 mm graded stone aggregate in beams, cantilevers, bressummers, lintels over 1.5m span all as specified and directed.

Use and waste of formwork for fair finished surface to soffits of suspended slabs such as roof slabs and similar work; not exceeding 200mm thick (Horizontal or sloping) for flat surface complete all as specified and directed

Use and waste of form work to edges of concrete flats, treads, breaks in floor, window cills, concrete railing, openings in concrete walls, floor and roof not exceeding 20cm wide and sides of RCC / PCC bands in walls, horizontal or sloping and similar work exceeding 10cm but not exceeding 20cm wide all as specified and directed.

Reinforced cement concrete M-25 design mix using 20 mm graded stone aggregate for Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified and directed.

Steel reinforcement for concrete with Mild steel TMT bars grade Fe 550D, 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 all as specified and directed.

Steel reinforcement for concrete with Mild steel TMT bars grade Fe 550D, 6 to 8mm dia 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 in stirrups, spacers, binders, etc complete all as specified and directed.

Steel reinforcement for concrete with Mild steel TMT bars grade Fe 550D, 5mm dia and over cut and upto and including 10mm dia stirrups, spacers and binders, cut to length, bent to shape required, incl cranking, bending spirally for hooping for columns, hooking ends and binding with and incl mild steel wire (annealed) not less than 0.90mm dia or securing with clips all as specified and directed.

Use and waste of form work to chullah hoods, chajjas, troughs and similar items including edges,etc compelte all as specified and directed.

Reinforced cement concrete M-25 Design Mix using 20mm graded stone aggregate Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like compelte all as specified and directed.

Anti termite treatment to backfill in contact with foundation at the rate of 7.5 litres of emulsion per square metre of vertical surface (Area of the sub structure in contact with backfill to be measured) all as specified and directed.

Anti Termite treatment to the top surface of filled earth at the rate of 5 litres of emulsion per square meter of surface area complete all as specified and directed.

Anti Termite treatment to soil along with external perimeter of building at the rate of 2.25 litres of emulsion per square meter of perimeter wall complete all as specified and directed.

Plain cement concrete Type B0 1:2:4 using 12.50mm graded stone aggregate in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed.

Pre-cast cement concrete block masnory with solid block using type C1, 1:3:6 using 20mm graded stone aggregate exceeding 10cm in width and setting in cement mortar 1:6 complete all as specified and directed

Pre-cast cement concrete block masnory with solid block using type C1, 1:3:6 using 20mm graded stone aggregate but not exceeding 10cm in width and setting in cement mortar 1:4 complete all as specified and directed

Rendering 15mm thick in cement mortar 1:6 on fair faces of brick work or PCC block masonry work or concrete surfaces, finished even and smooth without using extra cement all as specified and directed

Preparation of newly plastered surface of wall and applying wall care putty on wall average thickness approx 3mm in two layers as per manufacturer's instruction on plastered surface and make the surface smooth by rubbing with sand papers and applying two coats of plastic emulsion paint over a coat primer complete all specified and directed.

Rendering 15mm thick in cement mortar 1:4 on fair faces of brick work or concrete surfaces mixed with liquid water proofing compound as per manufacturer's instructions, finished even and smooth without using extra cement all as specified and directed. Note: Water proofing compound will be measured and paid separately.

Preparation of newly plastered surface of wall and applying two coats of 100% premium acrylic emulsion paint having VOC less than 50gm/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 @1.43litre/10Sqm over and including priming coat of exterior primer applied @ 0.90 litre/10Sqm over new surfaces including scaffolding where required complete all as specified and directed.

Rendering 5mm thick in cement mortar 1:3 to ceiling on fair faces of concrete surfaces, finished even and smooth without using extra cement complete all as specified and as directed.

Preparation of newly plastered ceiling surfaces and applying two coats of oil emulsion destemper over a coat of primer complete all as specified and as directed.

Spreading levelling layer not exceeding 25cm with soil well ramming with watering filling under floors all as specified and directed.

Hardcore of broken stone or boulders of gauge not exceeding 63 mm, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface all as specified and directed.

100mm thick PCC (1:4:8) type D2 using 40mm graded stone aggregate as in sub base and finished even and fair complete all as specified and directed.

25 mm thick Plain cement conncrete 1:2:4, type B-0 using 12.5mm graded stone aggregates as in sub base, sub floor, padding concrete complete all as specified and directed.

75mm thick plain Cement concrete , 1:3:6, type C-2 using 40 mm graded stone aggregate as in plinth protection all as specified and directed.

Vitrified Ceramic tiles light shade 8-10mm thick (square/ rectangular) polished, area of each tile not exceeding 0.36 Sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15mm thick screed bed in cement mortar 1:6 including demolition of existing tiled flooring all as specified and directed.

All as per item No 38 hereinbefore but on vertical surfaces including 10mm thick cement mortar 1:4 as in baking coat of dado/ skirting all as specified and directed.

Granite (of any type) work, 18 to 20mm thick 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 pigmet to match with shade of granite including 15 mm thick screed bed in CM 1:6 complete all as specified and directed.

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 joint all as specified and as directed.

30 mm thick flush shutter,solid core construction, with block Board Core and plywood face panels, commercial type on both sides complete all as specified and as directed.

Mild Steel work in Bands, straps, supports or stays for rainwater, ventilating pipes including bolts, if requried hooks (stay), heavy for large gates, hook and pintle hinges, large hasp and staples, chains, hand made sliding bolts, clamps, hold fasts, wall ties, hooks for hanging fans, plain angle cleats for securing purlins to wood trusses or rafters, knee piece inserts, two way and three way straps, plate washers and similar small articles conforming to Fe 290 Gde E-165 all as specified and as directed.

Extruded aluminium alloy handles fabricated type 150 mm size, anodized complete all as specified and directed.

MS Butt hinges medium weight cold rolled 125mm long complete all as specified and directed.

300 mm long aluminium alloy, anodized sliding door bolt, with hasp and staple (bolt type) cast or extruded section and fixing bolts of extruded section complete all as specified and directed.

Aluminium anodized barrel tower bolt of extruded section 150 mm length complete all as specified and directed.

Floor door stopper of aluminium alloy body and tongue, anodized, with hard drawn steel pin fixed to door, over all length 140 mm complete all as specified and directed.

Preparation of new wooden surfaces of any description not otherwise specified over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified and directed.

Supply and fixing factory made uPVC white colour Three track three panels sliding window with fly proof S.S wire mesh (Two nos. glazed & one no. wire mesh panels) upto 1.50m height made of (big series) frame 116 x 45 mm & sash 46 x 62 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead / double glazing bead of appropriate dimension. (Area of window above 1.75 sqm) comprising of uPVC multichambered frame, with inbuilt roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, complete all as specified and directed by Engineer-in-Charge. (Glass or wiremesh shall be paid separately) Note: For uPVC frame and sash extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable. Variation in profile dimension in higher side shall be accepted but no extra payment on this account shall be made complete all as specified and directed. Note: The unit rate quoted by contractor excludes cost of glass and includes all other connected accessories

Sheet glass 4.8 mm thick, plain ordinary quality and glazing with oil putty in squares exceeding 0.50Sqm in each pane all as specified and directed

APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) land on primed surface by forced application including applying coat bitumin primer 0.27 Lit/m² and bonding bitumen at @1.2Kg/m² over prepared surface or rendering and applying a coat of aluminium paint over membrane 0.10 Lit/m² complete all as specified and directed.

Sinks made of stainless steel 1.00 mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar on to dwarf wall or including fixing cantilever brackets and connecting union to pipe, overall size 495mm x 420mm bowl size 410mm x 330mm x 160mm all as specified and directed.

15mm dia bore bib taps of cast copper alloy fancy type chromium plated screwed down, screwed for iron pipe or for brass ferrule and fixed in repairs all as specified and directed.

3 Layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion elded having thermal stability for hot and cold water supply including all PP-R plain and brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc of size 20mm dia all as specified and directed.

3 Layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion elded having thermal stability for hot and cold water supply including all PP-R plain and brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc of size 16mm dia all as specified and directed.

Gunmetal gate valve with iron wheel head screwed both ends for iron pipe of size 20mm dia and fixed in repairs all as specified and directed.

PVC (SWR) pipes 75 mm dia single socketed in any length with rubber ring joints laid in trenches or in floors all as specified and as directed.

PVC (SWR) bend of any radius 75 mm dia with access door complete all as specified and as directed.

PVC (SWR) 110mm dia pipe single socketed in any length, with rubber ring joint fixed to walls with clamps complete all as specified and directed.

PVC (SWR) bend of any radius 110 mm dia complete all as specified and as directed.

Rotational moulded polyethylene water storage tank of capacity 1000 Ltr (cylindrical vertical with closed top) three layers, lid thread type hoisted and fixed in position with proper inlet and outlet connections all as specified and as directed

Ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed in repairs of the size 20mm (Minimum weight 142 gms) dia all as specified and directed.

20mm dia nipple of PTMT, suitable for HDPE water tank min weight 45 gms complete all as specified and directed.

Cutting150mm internal dia of pipe into existing manhole for connecting new drains making good to pipe rendering etc all as specified and directed.

Supply and fix 6' x 4' white write chalk board complete all as specified and directed.

Supply and fix 10' x 4' white write board with melamine surface complete all as specified and directed.

Surface excavation not exceeding 30cm deep and averaging 15cm deep and getting out in hard/dense soil complete all as specified and as directed.

Sand filing under floors or in foundations including watering and consolidation all as specified and directed.

Machine pressed precast concrete interlocking paver block with grey cement and pigment, of any shape and size conforming to IS 15658 -2006 of 80mm thick M-40 Grade all as specified and as directed.

PCC 1:2:4, type B-1 using 20 mm graded stone aggregate as in coping, side of paver block, benching, bed block, lintel band, plinth courses, etc and similar work including necessary form work and weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

Precast cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate as in landings, cover slab (for manholes etc) and similar work including necessary form work and set in cement mortar 1:6 complete all as specified and directed.

Providing cement concrete 1:3:6 type C1 using 20mm graded stone aggregate as in coping, cills, string courses, apex stone, bed plates, kerbs and the like including rounded or chamfered on edges (including necessary form work straight or curved) complete all as specified and directed.

Rendering 10mm in CM 1:4 on on fair faces of brick work or concrete surfaces including finished even and smooth (without using extra cement) all as specified and directed.

Extra for forming fair finished drain or channel of 45 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred / stopped ends etc complete all as specified and directed.

Plain Cement Concrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in surface channels and drain all as specified and directed.

Mild steel Framed work such as grill, grating etc with ends of bars shouldered and /or riveted or forged into spikes, framed guard bars, barred iron door, ladders, framed balusters and simialr work conforming to Fe290 Gde E-165 all as specified and directed.

Preparation of new steel surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer all as specified and directed.

Rendering 10mm thick in cement mortar 1:3 with WPC laid over RCC roof slab all as specified and directed.

Supply only liquid water proofing compound all as specified and directed.

Earth work in excavation over areas by mechanical means (Hydraulic excavator) in any kind of soil (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and deposite uo to the height of lift upto 1.5m complete all as directed by Engineer-incharge.

Reinforced cement concrete (Design Mix M-25) using 20mm graded stone agregate in walls, retaining walls, basement walls, ballast wall and the like, any thickness, above top of footings including attached pilasters and buttresses complete all as specified and directed.

Use and waste of steel formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillaster, buttresses etc, vertical or batter for fair finished surface of concrete flat complete all as specified and directed.

PVC (SWR) pipes 75mm bore single socketed, in any length with rubber ring joints fixed to wall and laid in RCC retaining walls as in weep holes complete all as specified and directed.

Hand packing broken stone aggregate (any thickness) at back of walls over arches etc and raising (or lowering) to the required level complete all as specified and directed.

Preparing new surfaces of walls and applying two coats of cement wash with Portland cement slurry to a smooth bodied opaque finish complete all as specified and directed.

Removing excavated surplus soil to a distance exceeding 250m and not exceeding 500m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Forming 12 mm thick expansion joints filled with pre-formed bituminous filler to the enitre thickness of wall complete all as specified and directed.

All as per item No 89 hereinbefore but point wiring complete with 2.5 sqmm for 3 pin 15 A socket outlet on independent board including 2.5 sqmm FRLS grade PVC insulated sheathed stranded copper conductor cable for earth contunuity conductor complete all as specified and directed

Modular socket 6A/16A 2/3 pin combined 230V AC 50 HZ SP two module all as specified and directed.

Modular switch one way 6A 230V AC 50 HZ SP one module all as specified and directed.

Modular switch one way 16A 230V AC 50 HZ SP one module all as specified and directed.

Modular Metal Flush Box 1/2 module rectangular block for mounting, switches, sockets, fan regulator etc. all as specified and directed.

Modular Metal Flush Box 3 module rectangular block for mounting, switches, sockets, fan regulator etc. all as specified and directed.

Modular Metal Flush Box 4 module rectangular block for mounting, switches, sockets, fan regulator etc. all as specified and directed.

Modular Metal Flush Box 6 module rectangular block for mounting, switches, sockets, fan regulator etc. all as specified and directed.

Modular White Cover Plate with Frame White cover plate with frame, 2 module all as specified and directed.

Modular White Cover Plate with Frame White cover plate with frame, 3 module all as specified and directed.

Modular White Cover Plate with Frame White cover plate with frame, 4 module all as specified and directed.

Modular White Cover Plate with Frame White cover plate with frame, 6 module all as specified and directed.

Ceiling rose, 3 terminals PVC / polycarbonate, isolated body all as specified and directed.

MCB DB, TPN 6 way suitable for three phase 440 volts with 200 Amps rated bus bar, double door type suitable for mounting incoming and outgoing MCB's single/double pole complete all as specified and directed. Make:Havells/ Legrand /C&S

Supply and fixing 415V 10KA 'B' curve Isolator four poles and 63 amps current carrying capacity in the DB complete with connection testing and commissioning all as specified and directed. Make:Havells/ Legrand /C&S

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 5 to 32 AMP, in the MCB DB Complete with connection testing and commissioning all as specified and directed. Make:Havells/ Legrand /C&S

22W LED 125 Lum/Watts 4ft batten comprises of thermally conductive material pre-wired with high efficiency electronic driver, high translucent serrated milky white diffuser gets glare free, smooth light distribution lamp colour white all as specified and directed. Make. HavellsCat Part No. LHEXAZP7PN1W022 or equivalent in CG/ Philips / Bajaj/ Surya/ C&S

Exhaust fan made of sturdy Engineering plastic complete with louvers shutter, voltage 230V, 50 Hz, RPM 1200, Copper winding of sweep 250 mm including making openeing brick/ stone Masaonary Wall as per reqiurement of Exhuast Fan and make good and matching with existing surfaces complete all as specified and directed. Make : Crompton Greaves/ Havells / Bajaj

Submain wiring with 2 runs of FRLS grade PVC copper conductor cable4 sqmm, multistranded along with FRLS grade PVC insulated copper earth continuity conductor 4 Sqmm drawn through and including PVC Conduit pipe 20 mm dia with all fittings all as specified and directed. Note: 3 runs of cable and one run of conduit pipe together measured as one RM

Earthing complete with galvanized steel earth plate electrode 60 cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to galvanized earth wire of size 4mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical platee No 3 connected to earth testing point including necessary excavation, earth work, PCC pit ,RCC cover 1:2:4 B1 with 8 mm dia MS bars at 100 c/c, funnel, watering pipe etc. all as specified and directed including testing on completion.

Supply & Laying XLPE insulated, screened, PVC bedded, galvanized steel strip of wire armoured, electric power cable heavy duty with aluminium conductor 1100 volts grade cross sectional area 16 Sqmm 4 core laid in trenches / ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft/ loose soil for laying for under ground cable and foundation of poles etc complete all as specified and directed

Removing of excavated surplus soil/ material not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Spreading clean dry riddled earth in trenches as cushioning to under ground cable on top and bottom of cable all as specified and as directed. Note: Punning thickness only measured for payment.

Supplying and laying un-reinforced precast concrete cable cover,Class LV, Type I, flat, size 250mm x 150mm x 40mm as protection to cable all as specified and directed.

Supply and fix MCCB TPN 63 Amps, 415 Volts, rupturing capacity 16 KA in existing LT Panel board for taking supply to proposed bldg complete all as specified and directed.

GUNASEKARAN AND CO (BID ID -3420188)

ACE PROMOTERS (BID ID -3420545)

K.AYYAPPAN (BID ID -3419735)

LAKSHMI ELECTRICAL ENTERPRISES (BID ID -3420346)

VVM CONSTRUCTIONS (BID ID -3420310)