8107/E8 ADDN/ ALTN OF 05 X CLASS ROOMS AT OTA CHENNAI UNDER GE STM

Amount

Demolition of Brickwork or stone/ boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles

Cutting openings, through brick walls for door, window and other openings or enlarging existing openings. converting window into door openings, etc. or cutting out defective brick work for under-pinning, including providing, fixing and removing shoring, cleaning and stacking bricks, removing surplus serviceable bricks, hard-core, etc.. to store and rubbish not exc. 50m, built in Cement mortar or cement lime mortar

Rendering 10mm thick in CM 1:6 on fair faces of brick work or concrete surfaces finished even and smooth

Forming jambs, etc. to openings, including cutting, toothing and properly bonding into old work, also facing, jointing and pointing to match existing work, complete and making good under cills or over arches, lintels and bressummers. including all pinning when necessary, cement mortar 1:6

Two coats of distemper oil emulsion over a coat of using alkali resistant priming paint over 3mm thick wall care putty including preparing new plastered wall surfaces

Roughening old concrete surfaces of floor by picking, sweeping clean and washing down with water to remove dust, etc.

20mm thick Cement concrete type B- 0, 1:2:4 (12.50mm graded aggregate) as in sub base

Screed bed or bedding layer 10 mm thick in CM 1:4 for laying floor finishes

Rendering 10mm thick in CM 1:3 on fair faces of brick work or concrete surfaces finished even and smooth.

Kota stone slab 20-25mm thick in riser of steps, skirting, dado and pillar laid over cement screed in cm in CM (1:4) and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete

Vitrified Ceramic tiles 10 mm thick (square/ rectangular) polished, area of each tiles exceeding 0.36 sqm but not exceeding 0.42 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, dark shade/ double charged/ultra charged

Demolition of Stone slabs and tiles of any description or thickness in floors, aprons etc. laid and bedded in any mortar

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. cement or cement lime plaster, any description

Brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, built in CM 1:4

Sand filling under floors or in foundations including watering and consolidation

Hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface , broken stone

75mm thick cement concrete type D-2, 1:4:8(40mm graded agg) as in sub base

Screed bed or bedding layer of mortar 20 mm thick for laying floor finishes in CM 1:6

M & L Machine cut kota stone slab flooring 20-25mm thick over cement screed bed in cm (1:6) 20mm thick laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete

Cutting holes in brick walls built in cement mortar or cement lime mortar and stone walls built in lime mortar and making good dismantled portion in CM 1:2:4 type B-1 as required

TMT steel bars 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 per item No 21 here-in - before but 6mm to 8mm dia.

All as per item No 21 here-in - before but 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders

Cement concrete type B-0 1:2:4 (12.5mm graded agg) in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed

Rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces with WPC finished even and smooth

Liquid water proofing compound

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer preparing new plaster wall surfaces.

Brickwork with fly ash bricks, straight or curved on plan to any radius in half brick thick walls, built in CM 1:4

Factory made single extruded WPC (Wood polymer composite) solid door/window/ceosetory window and other frames / chowkhats of 65 x100mm comprising of virgin PVC polymer of K value 58-60 (suspension grade), calcium carbonate and natural fibres (wood power/rice husk/wheat husk) and non toxic additives (max toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with fully body threaded star headed SS screws having min frame density of 750 kg/cum, screw withdrawal strength of 2200 N (Face) and 100 N (Edge) min compressive str of 58 N/mm2, modules of elasticity 900 N/mm2 and resistance to spread of flame of class A category with property of being termite / borer proof, water / moisture proof and fire retardant and fixed in position with MS hold fast / lugs/SS dash fasterns or required dia and length complete as per direction of EIC

Preparing surfaces of wood and wood based materials, steel and iron work, new or old, of any description and girth, not otherwise described, and treated with tar or coal tar black paint

Bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps 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

Preparing surfaces of wood and wood based materials, steel and iron work, new or old treating small articles such as stop, covers, gully gratings, holdfasts, ends of posts, backs of chowkats, etc., area n exc 0.1 sq. m each.

35mm thick factory made single extruded WPC (Wood polymer composite) solid flush door shutter of 30mm size comprising of virgin PVC polymer of K value 58-60 (suspension grade), calcium carbonate and natural fibres (wood power/rice husk/wheat husk) and non toxic additives (max toxicity index of 12 for 100 gms) minimum density of 650 kg/cum, screw withdrawal strength of 1800 N (Face) and 900 N (Edge) minimum compressive str of 50 N/mm2, modules of elasticity 850 N/mm2 and resistance to spread of flame of class A category with property of being termite / borer proof, water / moisture proof and fire retardant and fixing with stainless steel butt hinges of required size with necessary full body threaded star headed counter sunk SS screws all as per direction of EIC

100mm Butt hinges, medium weight, cold rolled mild steel, and fixed

200mm Aluminium anodised, barrel tower bolts of extruded section and fixed

125mm Extruded aluminium alloy handles, fabricated type, anodised

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 and fixed

Floor door stopper of aluminium alloy body and tongue, anodised, with hard drawn steel spring, fixed in floor, length of cover plate 140mm

Two coats of Synthetic enamel paint over a coat of pink primer including preparation of new wooden surfaces of any description, not other wise described over 10 cm width or girth

Powder Coated aluminium (minimum thickness of powder coating 50 Micron) frame for doors, windows, ventilators with one or more rebates including joining cleat for fixing etc. complete all as specified.

Powder Coating aluminium Aluminium (minimum thickness of powder coating 50 Micron) door shutters, aluminium section weighing 0.55 kg/ m including necessary joining cleats, glazing clips, rubber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminium snap beading screws etc. complete all as specified

5.5mm thick Sheet glass, ordinary quality and glazing with oil putty in square exc 0.5 sq. m in each pane

12mm thick Prelaminated particle board, exterior grade, prelaminated prelaminated both sides with decorative choice laminations & other side balancing white lamination, fixed with screws to timber frame work

Powder coated (minimum thickness 50 micron) of any colour aluminium sliding window and ventilator shutters, without sash bars, aluminium sections weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as peg stays 150mm long (1 no.). hinges type B-21 100mm long (2 no.) suitable handle (1 no.) complete all as specified

Powder coated (minimum thickness 50 micron) aluminium window and 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

Galvanised mild steel wire cloth, 0.56mm nominal dia of wire and average width of aperture 1.18mm and fixed with tinned tacks, or galvanised wire staples

Anodised aluminium grill (anodised transparent or dyed to required shade according to IS : 1868 with minimum anodic coating of grade AC 15) of approved design/pattern, with approved standard section and fixed to the existing window frame with C.P. brass/stainless steel screw @ 200 mm centre to centre, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening, all complete as per requirement and direction of Engineer-in-Charge

Rounding to edges of stone slabs one edge, such as in steps, cooking platform, and other similar situations

Taking down Chowkhats or frames exc 1.5 sq. m but n exc 4 sq. m each but with shutters (without taking off shutters from the frame)

Plate girder or single stanchions, built up of one beam or channel section with flange plates, caps, bases. splices, angle brackets, cleats and other connections

Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 5cm but n exc 10cm long, 16 to 20

Two coats of synthetic enamel paint over a coat red oxide primer incl preparing new steel Surfaces of any description, over 10cm in width or girth, not otherwise described

One coat of distemper oil emulsion including preparing old wall surfaces

Two coats of distemper oil emulsion with over 3mm thick wall care putty including preparing old wall surfaces

Brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, built in CM 1:6

Providing precast cement concrete louvers and jallies, 40mm thick (mea sured solid), including all mould- ings but excluding frame

Anodised aluminium snap grid frame work 605 x 605mm for false ceiling all as specified. Providing and fixing Gypsum Board 12mm thick in ceiling fixed with screw as per manufacturers instructions

Door closer hydraulically regulated, designation No. 3, Aluminium (extruded section body) universal type, suitable for door shutters of 851 to 1000 mm in width and of weight between 61 to 80 kg and fixed

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. 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 hard dense soil

Cement concrete 1:4:8 type D2 in foundations, filling and mass concrete

Cement Concrete bed 1:3:6 type C-2 to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested; in to drain pipes , bore of pipe 450mm

Reinforced concrete pipes, class NP2, laid and jointed complete with collars , bore of pipe 450mm

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point

One coat of Synthetic enamel paint including preparation of olw wooden surfaces of any description, not other wise described over 10 cm width or girth

Finishing walls with Acrylic Smooth exterior paint of required shade : Old work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer including priming coat of exterior primer incl preparing old wall surfaces plastered

Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc., rough finished surface

Formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs and sides of RCC/ PCC bands in walls, horizontal or sloping and similar work exc 5cm but n exc 10cm wide rough finished surface

RCC type B-0 1:2:4 (12.50mm graded agg) in beams and columns in floors roofs, landings, balconies, canopies, deck slabs and in , and in shelves and the like

Dismantling posts or struts (wood, steel or R.C.C.) any section, including taking out embedded portion and making good disturbed ground, Posts embedded in concrete

Reinforced cement concrete type B1, 1:2:4 ,(20mm graded stone agg) Foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete

Reinforced cement concrete type B1, 1:2:4 ,(20mm graded stone agg) inn Beams, cantilevers, bressummers, lintels over 1.5m span

Reinforced cement concrete type B1, 1:2:4 ,(20mm graded stone agg) in Columns, pillars, piers, posts and struts

Formwork 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, fair finished flat concrete surface

Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc.

Formwork to sides of pillars, posts, struts, piers, columns and stanchions , square or rectangular rough finished surfaces of concrete

Two coats of cement base paint incl preparing new wall surfaces

Rendering 5mm thick in CM 1;3 on brick or concrete surfaces

Providing precast cement concrete type B1, 1:2:4 (20mm graded stone agg) in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces and setting in mortar complete with joints to match set in cement mortar 1 : 4

Providing and injecting chemical emulsion Chlorophyriphos 20% EC for post construction anti termite treatment at points of contact of wood work i.e. door/wooden window/ wooden cupboards with masonry using chemical emulsion@ 0.5 litre/hole by drilling 6mm dia holes at a downward angle of 45 degree at 150mm centre to centre and sealing the same with CM 1:2 mixed with colour pigment to match existing surfaces and making good complete all as directed

Providing and injecting chemical emulsion Chlorophyriphos 20% EC for post construction anti termite treatment along the external wall below concrete or masonry apron / plinth protection using chemical emulsion (Chlorophyriphos 20% EC 1% concentration) @ 2.25 litres per linear metre including drilling holes of 12mm dia @ 300 mm apart and plugging sealing the same with CM 1:2 mixed with colour pigment to match existing surfaces and making good complete all as directed

Taking down carefully copper/ Aluminium point wiring (light, fan, socket or power) complete (fitting such as switches, ceiling roses, pendants, regulators, sockets, etc can be measured separately) removing the material from wall/ceiling etc, making good the disturbed surfaces and taken as credit all as directed.

Point wiring complete with 1.5 sqmm single core PVC insulated unsheathed cable 1100 volts grade, multistranded copper conductor drawn through and including non-metallic rigid PVC conduit PVC conduit fittings and conduit accessories concealed in walls, roofs and floors etc., including Modular flush boxes and Modular cover plates for switches concealed in walls, roof and socket / electronics fan regulator / telephone socket, including provision of 1.5 sqmm PVC insulated unsheathed cable with multi stranded copper conductor as earth continuity conductor and connecting to common earth dolly all as specified for one light/fan point controlled by one way switch complete including cutting chases, pinning in, making good to facing where required and pointing in cement mortar 1:3 for concealed conduit wiring and making good the disturbed surfaces, matching with the existing wall surfaces, cutting not exceeding 10 Cm girth all as specified and as directed.

One light point controlled by one switch.

One Ceiling fan point controlled by one switch and one regulator.

One 3 pin 5 amps switch socket on independent board.

One 3 pin 5 amps switch socket on same board along with other switches.

All as per item No.83 above but with4 sqmm copper conductor cable with 2.5 sqmm PVC copper conductor cable as earth continuity conductor for one socket outlet 15/16 amps controlled by one switch 15/16 Amps on independent board all as specified and as directed.

Sub main wiring with PVC insulated, 1100 volts grade single core multistranded copper conductor cable conforming to IS specifications, 2 runs of 10 sqmm including one run of 6 sqmm single core multistranded copper conductor PVC insulated cables as earth continuity conductor with colour code drawn through and including one run of 25 mm dia rigid PVC conduit and conduit accessories or casing capping incl accessories fixed on wall/ceiling etc., or concealed in wall and connecting to common earth dolly including taking down old unsv all as specified and directed.

Sub main wiring with PVC insulated, 1100 volts grade single core multistranded copper conductor cable conforming to IS specifications, 2 runs of 6 sqmm including one run of 6 sqmm single core multistranded copper conductor PVC insulated cables as earth continuity conductor with colour code drawn through and including one run of 25 mm dia rigid PVC conduit and conduit accessories or casing capping incl accessories fixed on wall/ceiling etc., or concealed in wall and connecting to common earth dolly including taking down old unsv all as specified and directed.

Supply, Installation, testing and commissioning of Surface mounted LED luminaries with Mid flux LED using efficient optics , System lumen efficacy > 80Lumen/Watt , System Luminous flux of >=3200 lumens, System Wattage <=42W with 50,000 hours burning life. Colour rendering index > 70 and Colour temperature 5000K/6500K. CRCA housing with high efficiency opal diffuser. Luminaries sealed from bottom. Inbuilt gear . Zero maintenance, Zero mercury. Driver Surge protection > 1.5kV. Electronic In-Built PF > 0.9 , THD < 10% , IEC Compliant for Safety , Performance & EMI. The size shall be of 2'x2'.

Wall mounted LED 20W Batten Basic all purpose surface and wall mounted LED batten with Aluminium housing & Integrated electronic driver all as specified and as directed.

MCCB Distribution board, TP&N , vertical , double door, sheet steel, enclosure powder coated with 100 Amps rated bus bar with neutral link,415 Volts 8 way fixed on wall duly grouted in solid block wall or on wooden board with electrical connection complete including 3 Pole V-Tec MCCB of 100 A rating & 16kA breaking capacity, MCCB pre-fitted at factory including taking down Old DBs all as specified and directed.

MCCB four pole , 415 Volt, 125 Amps,16 KA , adjustable thermal & fixed magnetic setting including taking down Old MCCB complete all as specified and directed.

MCB Distribution board , 240 volts single pole and neutral ,double door, sheet steel, enclosure powder coated with 100 Amps rated bus bar with neutral link, 12 ways , fixed on wall duly grouted in solid block wall or on wooden board with electrical connection complete all as specified and directed.

Supply and replacement of metal clad socket single pole and neutral enclosure with a two pin and earth plug top and socket complete with one single pole MCB 240 Volts 20 Amps all as specified and as directed.

MCB SPN 230 volts, 40 amps 'C' Curve 10 kA Capacity all as directed.

MCB SP 230 volts,40 amps 'C' Curve 10 kA Capacity all as directed.

Refixing of Light fittings any type obtained including of necessary fixing arrangements and spares like Screws, nuts-bolts , fixing clamps etc all as required on ground for proper fixing of Light fittings and making good the disturbed surfaces of wall etc all as directed.

Painting of ceiling fan complete , using spray gun, in site with synthetic enamel paint by spraying including filling cavities with filler , one coat after cleaning all dust complete all as specified and directed

Ceiling rose surface bakelite 65mm x 50 mm two to three terminals all as directed.

Modular switch 1 way 6A, 1 module, 240 Volts complete all as specified and directed

Modular switch 1 way 16A, 1 module, 240 Volts complete all as specified and directed

Modular Socket, 6A - 2/3 pin combined 2 module complete all as specified and directed

Modular socket 6 A/ 16 A - 2/3 pin combined 2 module complete all as specified and directed

Modular Fan step regulator, 100W - 1 module for ceiling Fan of 1200 mm sweep all as specified and as directed.

1200 mm sweep ceiling fan BLDC rating, energy saving model with double ball bearing 230 volts 3 blades white in colour without regulator complete with canopy , suitable down rod complete all as specified as directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out soft / loose soil for laying cables / pipes / erection of poles etc all as specified and as directed.

Removing excavated material (soil) not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point all as directed.

Returning filling in soil including spreading levelling watering well ramming in layers not exceeding 25 cm each all as directed.

Supplying and laying burnt brick "B" class standard size for protection of cable as directed.

Supply, lay, spread in trenches river sand including spreading, levelling, punning for cushioning of cable all as directed.

Supply & Lay cable XLPE of size 3.5 core 70 Sqmm insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor all as specified and as directed. Note:- i) Lugs and glands are deemed to be included in the rate quoted for laying of cable and to be used properly wherever required while connecting cables to the panel board. ii) Earth work such excavation, refilling, etc. shall be measured separately under relevant items.

Tubes Medium grade of size 40 mm dia galvanised with all fittings and fixed complete to walls and ceiling or laid in trenches, fixed on pole /under road crossing or passing through gutters etc including necessary road cutting and making good with PCC 1:2:4 type B1 (using 20 mm graded crushed stone aggregate) complete including taking down old u/s GI tubing all as specified and as directed.

Tubes light grade of size 40 mm dia galvanised with all fittings and fixed complete to walls and ceiling or laid in trenches, fixed on pole /under road crossing or passing through gutters etc including necessary road cutting and making good with PCC 1:2:4 type B1 (using 20 mm graded crushed stone aggregate) complete including taking down old u/s GI tubing all as specified and as directed.

Material and Labour for Earthing complete with galvanised steel earth plate electrode of size 60 cm x 60 cm x 6 mm thick buried directly in ground vertically to a depth of not less than 2.25 mtr below normal ground level with top edge of earth plate not less than 1.5 mtr below normal ground level, connected to galvanised iron/steel earth wire 4 mm dia by means of bolts, nuts, washers and check nuts made out of galvanised iron, protected by GI pipe light grade 15 mm bore dia and connected to main control board all as shown in Electrical plate No 3 of MES SSR Part I including necessary excavation and earth work in any type of soil, salt, charcoal dust, PCC 1:2:4 type B1 in chamber, RCC 1:2:4 chamber cover with 6 mm dia MS bar at 100 mm centre to centre both ways and MS 6 mm dia hook complete all as specified and directed.

ASHWIN ASSOCIATES (BID ID -3098500)