PROVN OF CERTAIN MISC WORKS IN BLDG NO P 120 P 121 AND RATION STAND AND SPL REP TO FLOORING OF T 96 HANGER AT AF STATION TAMBARAM UNDER GE AF TAMBARAM

Amount

Demolition of cement concrete of any description and in ground floors and removing the debries etc complete all as specified and as directed by Engineer-in-Charge.

M&L Plain cement concrete type C1, 1:3:6 (using 20mm graded stone aggregate) 75mm thickness as in plinth protection and the like etc., finishing even and smooth without extra cement laid in panels including necessary formwork complete all as specified and as directed by Engineer-in-Charge.

Material and labour for removing existing water proofing treatment from non accessible roof and applying water proofing treatment on horizontal or vertical surfaces by applying oil bound bitumen primer @ 0.20 Kg/sqm and providing 4mm thick APP modified water proofing membarane weighing not less than 4 Kg/sqm reinforced with non-woven polyester matt weighing not less than 160 gm/sqm including minimum 10cm side lap and 15 cm end lap torch sealed and bonded and applying a coat of blown grade hot bitumen 90/15 over and below the membarane @ 1.20 Kg/sqm in drying over the membarane finished with solar reflective bituminous aluminium paint/ primer @ 0.10 Kg/sqm over RCC roof slab/ parapet after cleaning the surfaces by removing dust, dirt etc., as per manufacturer's instructions and all as specified and as directed by Engineer-in-Charge. Note : Contractor shall execute the above work through authorised applicator only and certificate in this regard shall be submitted to GE before the start of the execution.

Demolition of plain cement concrete in floors (other than ground floors) and similar suspended works including disposal of demolished materials exc 500m but n.exc 1000m complete all as specified and as directed by Engineer-in-Charge.

M&L for Plain Cement Concrete as in roof padding type B0 (1:2:4) Nominal mix using 12.5 mm graded aggregate including necessary formwork complete all as specified and as directed by Engineer-in-Charge.

M&L Rendering 10mm thick in CM 1:4 with water proofing compound @ 3% by weight of cement over RCC slab, parapet and the like etc. finishing fair and even complete all as specified and as directed (Note: WPC will be measured and paid separately under relevant item as "Supply only")

Supply only Liquid water proofing compound

Demolition of Reinforced cement concrete in Roofs, floors (other than ground floors), beams, staircases, landing, chajjas, RCC Jallies and similar suspended work (reinforcement cut as required to facilitate demolition) and removing debries as directed by Engr-in-Charge. Note : Old retrieved rusted TMT steel shall be weighed and will be credited to the account of contractor against Schedule of Credit.

Material and labour for use of formwork to chullahwoods, Chajjas, trough and similar items complete all as specified and as directed by Engineer-in-Charge.

M&L for Providing Reinforced Cement Concrete in B1, 1:2:4 ( 20mm grade stone aggregate) Nominal mix in foundation, including rafts, footing , foundation beams , plinth beams, bases of columns etc,basement slab and mass concrete complete all as specified and directed by Engineer in Charge. Note : Formwork shall be measured and paid separately under relevant item.

M&L for TMT 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 Fe 290 (Gde E-165) complete all as specified and as directed by Engineer-in-Charge.

M&L for TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips Fe 290 (Gde E-165) complete all as specified and as directed by Engineer-in-Charge.

M&L for 25mm Plain Cement Concrete 1:2:4 type B-0 nominal mix using 12.5mm graded stone aggregates as in sub base including necessary formwork complete all as specified and as directed by Engineer-in-Charge.

M&L Machine cut kota stone slab flooring 20 -25 mm thick over cement screed based laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polish complete including 20 mm screed bed layed with CM 1 :6 etc complete all as specified and as directed by Engineer-in-Charge.

M & L for Machine cut kota stone slab 20-25 mm thick in riser of steps,skirting,dado and pillar laid over cement screed and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polish complete including 10 mm thick plaster in CM 1:3 in skirtings etc complete all as specified and as directed by Engineer-in-Charge.

M&L for Machine rubbing and mirror polishing of the existing kota stone slab flooring/ skirting/dado complete etc complete all as specified and as directed by Engineer-in-Charge.

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc complete all as specified and as directed by Engineer-in-Charge.

M&L Rendering 10 mm thick on brick/ concrete surfaces with cement mortar 1:3 as backing coat complete all as specified and as directed by Engineer-in-Charge.

Dismantling floor hearth or wall tiling including cement mortar bedding but not backing and removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed by Engineer-in-Charge.

M/L Joint free Glazed ceramic coloured tiles in vertical surfaces 450 x 300 x 7 mm thick Set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed by Engineer-in-Charge.

Dismanting of unserviceable rolling shutters of any size and description and making good of the existing surface if any damaged occurred during dismantling complete all as specified and as directed by Engineer-in-Charge.

M&L for Steel rolling shutters1.25 mm thick , with out 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 lever gearbox and crank handle complete all as specified and as directed by Engineer-in-Charge. Note : Safety lock and ball bearing shall be provided and accounted under relevant items.

Material and labour for Mild steel Safety lever locks with 4 levers for rolling shutters complete all as specified and as directed by Engineer-in-Charge.

Material and labour for Ball bearing for rolling shutters complete all as specified and as directed by Engineer-in-Charge.

M&L preparation of new steel surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and as directed by Engineer-in-Charge.

Demolition of brick work built in cement mortar including all quions,arches, pillars, etc complete all as specified and as directed by Engineer-in-Charge.

M&L Brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, built in CM 1:6 as in kerb stone and the like etc complete all as specified and as directed by Engineer-in-Charge.

M&L Brick work with sub class B bricks straight or curved on plan exc 6m mean radius built in CM 1:4 in half brick thick walls complete all as specified and as directed by Engineer-in-Charge.

M&L rendering 15 mm thick on brick walls with CM 1:6 finished even & smooth without using extra cement complete all as specified and as directed by Engineer-in-Charge.

M&L for Rendering 15 mm thick in two coats of 1st coat 10mm thick in CM 1:6, finishing coat 5 mm thick in CM 1:4 with and including mixing of water proofing compound at the rate of 200ml per bag in the top coat finished even and smooth with out using extra cement complete all as specified and as directed by Engineer-in-Charge.

M&L Rendering 5mm thick in CM 1:3 on as in ceiling of fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and as directed by Engineer-in-Charge.

Material and labour for preparation of new plastered surfaces and applying two coats of Oil bound distemper (washable) over a coat of alkhali resistant primer complete all as specified and directed by the Engr-In-Charge.

Material and labour for preparation of New plastered ceiling surfaces and applying three coat of white wash on ceiling complete all as specified and directed by the Engineer-In-Charge

M&L preparation of new surfaces of external walls and applying one coat of primer and two coats of weather proof exterior emulsion paint (weather coat Apex, 100% exterior grade) complete all as specified and directed by the Engineer-In-Charge. Note: Necessary Gurantee bond for a period of (06) SIX years (from the date of completion) shall be submitted by the Contractor to the department in Non judicial paper against the performance of the paint and contractor shall also ensure that he has collected requisite warranty card from Authorised dealer while procuring material.

M&L for preparation of old distempered walls, including washing, rubbing down and stopping of distempered and painted surfaces of pilasters, including cornices and applying one coat of Oil Bound Distemper complete all as specified and directed by the Engineer-In-Charge

Material and labour for complete removal of existing treatment of walls/pillars /cornices, including Washing, rubbing down including applying white cement based putty where required for filling to depressions to make the surface even and smooth by using sander machine (with provision of dust sucking) upto entire satisfaction of Engineer-in-charge, after preparing the surfaces applying two coats of weather proof exterior emulsion paint (weather coat Apex, 100% exterior grade), as per existing or as approved tint/colour complete all as specified and directed by the Engineer-In-Charge. Note: Necessary Gurantee bond for a period of (06) SIX years (from the date of completion) shall be submitted by the Contractor to the department in Non judicial paper against the performance of the paint and contractor shall also ensure that he has collected requisite warranty card from Authorised dealer while procuring material.

M&L preparation of old decorated surfaces of ceiling and applying one coat of white wash evenly complete all as specified and directed by the Engineer-In-Charge

M&L preparation of old decorated surfaces of wood work exc. 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed by the Engineer-In-Charge

M&L for preparing of old painted Steel surfaces of any description and applying one coat of synthetic enamel paint complete all as specified and directed by the Engineer-In-Charge

Taking down chowkats/Frames of area exc 1.5 Sqm and n.exc 4.0 Sqm with shutter (without taking off shutters from the frame) each complete all as specified and directed by the Engineer-In-Charge

Material and labour for aluminium powder coated sections for (Minimum thickness of powder coating 50 micron) frame for windows/ Doors/Ventilators/Partitions with one or more rebates including joining cleats/ channel for fixing glass/ mesh as per Manufacturer's instructions complete all as specified and directed by the Engineer-In-Charge. Note : (i) Cost of rubber packing shall deemed to be included in this quoted rate and weight of the same will not accounted for payment purpose.

Material and labour for Aluminium powder coated sections for (minimum thickness of powder coating 50 micron) side hung/sliding window/ ventilators shutters (I max) of aluminium section weight not less than 0.55 Kg/Rm including necessary jointing cleats glazing clips, rubber packing anodised aluminium snap beads, screw, roller, interlocking handles for sliding shutters,75 mm SS hinges-02 Nos, 125 mm handles - 01 No, 125 mm long tower bolts - 02 Nos each shutter etc for openable shutter as per Manufacturer's instructions complete all as specified and directed by Engineer-in-Charge. Note : (i) Material cost of the glass panes and wire mesh will be measured and paid separately under relevant items as "Supply only" and fixing charges shall deemed to be included in this quoted item.(ii) Cost of rubber packing shall deemed to be included in this quoted rate and weight of the same will not accounted for payment purpose.

Supply only Stainless steel wire mesh of nominal dia of wire 0.36mm and average width of aperture 1.40mm & fixed with stainless steel wire staples including wooden fillets/beadings, screws etc complete all as specified and directed by Engineer-in-Charge.

S&F in repairs Stainless steel wire mesh of nominal dia of wire 0.36mm and average width of aperture 1.40mm & fixed with stainless steel wire staples including wooden fillets/beadings, screws etc complete all as specified and directed by Engineer-in-Charge.

Supply only sheet glass 4mm thick plain ordinary quality and glazing with oil putty wooden beads as directed in squares n exc 0.50 sqm in each pane complete all as specified and directed by Engineer-in-Charge.

S&F aluminium powder coated grills (pattern DG-104) weight of 2.00 to 3.20 Kg/Sqm for windows, ventilators, etc including jointing, cleats etc and fixed with medium screws into walls / frame work etc as per manufacturer's instruction's complete all as specified and as directed

S&F in repair of Mild Steel 4 levers mortice night latch type size 100mm dia complete all as specified and directed by Engineer-in-Charge.

S&F of rotational moulded Triple layered polyethylene 500 liter water storage tank ISI marked (cylindrical Vertical with closed top) hoisted and fixed in position including dismantling old unserviceable tank from its position including disconnection of water lines complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair 20 mm ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed by Engineer-in-Charge.

Taking down of 15mm bore steel tubing and connections complete on walls floors etc complete all as specified and directed by Engineer-in-Charge.

S&F 20 mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors including application of yellow solvent cement complete all as specified and directed by Engineer-in-Charge. Note : The quoted rate shall deemed to include cost of cutting chases in walls/ ceiling etc and making good of the surfaces to match with existing surfaces.

Removal of debris obtained from demolition/dismantling exceeding 50m distance inside MD land complete all as specified and as directed by Engineer-in-Charge.

Excavating over areas, n exc 1.5 m deep and getting out in soft / loose soils complete all as specified and directed by Engineer in Charge.

M&L for 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 complete all as specified and directed by Engineer in Charge.

Material and Labour for 75mm plain Cement concrete type B- 2, 1:2:4 Nominal mix (40mm graded aggregate) inlcuding formwork complete all as specified and directed by Engineer in Charge.

Material and labour for 100mm thick Plain Cement concrete type B- 2, 1:2:4 Nominal mix (40mm graded aggregate), in Finishing cement concrete surface even and smooth Spike rolling to surfaces or making impressions of expanded metal, whilst the concrete is green including necessary formwork complete all as specified and directed by Engineer in Charge.

M&L for for sealant and backer rod from the Expansion joint grooves of 25mm x 30mm including preparation of the surface mechanically by industrial vacuum cleaner/ blower to remove the all the foreign matter, dust and debris, unsound or contaminated materials, paste, oil, paint, grease, corrosion deposits or algae and grease deposits and applying of two components EPOXY based primer to the groove and inserting POLYURETHANE FORAM STRIPS as in BACKER ROD debonding strip in the groove and finally the groove eith single components polyurethane elastomeric sealants complete all as specified and as directed as per manufacturer's instructions complete all as specified and directed by Engineer in Charge.

M&L for sealant from the construction dummy joints grooves of size 15mm x 20mm including preparation of the surfaces machanically by industrial vacuum cleaner/ blower to remove all foreign matter, dust and debris. Unsound or contaminated material, paste, oil, paint, grease, corrosion deposits EPOXY based primer to the groove and filling the groove with three components solvent free EPOXY based repair motar and applying three componens EPOXY putty complete all as specified and as directed and as per manufacturer's instructions complete all as specified and directed by Engineer in Charge.

M&L Point wiring complete with 1.50 sqmm single core PVC FRLSH insulated un-sheathed 1100 volts grade copper conductor single core multi stranded drawn through with and including non metallic rigid PVC conduit accessories concealed on walls, suface on ceiling etc., with suitable clamps/ shaddles, including provision of 1.6 mm thick MS pressed steel terminal boxs concelled in wall with 3 mm thick hylam sheet for housing switiches, sockets, fan regulators etc., including one run of 1.50 sqmm PVC insulated copper conductor for continious earth wire and connected to common earth dolly for the following :-

One light/fan point controlled by one way 5amps switch

One 3pin 5 amps socket point on same board with other switches

One 3pin 5 amps socket point on Independent board

One 3/5 pin socket outlet 15 Amps independent with cable 2.5 Sq mm size

One 3/5 pin socket outlet 15 Amps independent with cable 4 Sq mm size

M & L Modular switch piano, flush type,single pole one way 6 Amp complete all as specified and directed by Engineer in Charge.

Supply and fix Modular switch piano ,flush type single pole one way 16 Amps complete all as specified and directed by Engineer in Charge.

Supply and fix Modular socket out let, 3 pin, 6 amps 240 volts combined 2 module type complete all as specified and directed by Engineer in Charge.

M & L Modular Socket out let 2/3 pin ,16 Amp combined 2module complete all as specified and directed by Engineer in Charge.

S & F Modular electronic fan regulator flush type 120watts 2 module complete all as specified and directed by Engineer in Charge.

M&L Ceiling rose surface PVC insulated three plates "JUMBO' type 240 volts complete all as specified and directed by Engineer in Charge.

Supply and fix, sheet metal enclosure with MCB DB SPN double door, 8 way 240 V neutral link, earth link with suitable bus bar IP 42/43 complete all as specified and directed by Engineer in Charge.

Supply and fix, sheet metal enclosure with MCB DB TPN double door vertical type, 4 way 240 V neutral link, earth link with suitable bus bar IP 42/43 suitable for MCB TPN as incomer complete all as specified and directed by Engineer in Charge.

supply and fix in replacement of Single pole and neutral enclosure with two pin and earth plug and socket complete with one single pole MCB 20 Amp 240 Volts complete all as specified and directed by Engineer in Charge.

S & F MCB Single pole 6-32 amps, 'C' Curve, 10 KA , 240V complete all as specified and directed by Engineer in Charge.

Supply and fixing MCB SPN 32 Amps breaking capacity 10KA 240 volts complete all as specified and directed by Engineer in Charge.

Supply and fixing MCB TPN 100 Amps breaking capacity 10/16KA 415 volts complete all as specified and directed by Engineer in Charge.

M & L for circuit/sub main wiring complete with 2 X 6 Sqmm single core FRLSH PVC insulated unsheathed cable 1100 volts grade with multistranded copper conductor drawn through PVC conduit and accessories on surface of wall roofs etc with 1 X 6 Sqmm of PVC FRLSH copper cable for earth continuity all as specified , dismantling existing circuit/ sub main wiring and making good disturbed portion complete all as specified and directed by Engineer in Charge.

M & L for circuit/sub main wiring complete with 2 X 4 Sqmm single core FRLSH PVC insulated unsheathed cable 1100 volts grade with multistranded copper conductor drawn through PVC conduit and accessories on surface of wall roofs etc with 1 X 4 Sqmm of PVC FRLSH copper cable for earth continuity all as specified complete all as specified and directed by Engineer in Charge.

S & F of Wall mounted light fitting LED batten, extruded aluminium heat sink provided for effcient heat dissipation & integrated electronic driver with 20 W LED tube including disconnecting, removing, and connecting into electric circuit and testing complete all as specified and directed by Engineer in Charge.

Supply and fixing LED building security light fitting 45 Watt 230 V new generation energy saving and environmental friendly long life versatile pressure die cast aluminium IP 65/66 protection roadway luminaire with high power LED as light source with 45 watts complete all as specified and directed by Engineer in Charge.

S&F GI Bracket bend to shape in cold or hot 25 mm bore medium grade and 1.50 M long with suitable MS clamps and nuts bolts etc, to fixing security light fittings to Bldgs complete all as specified and directed by Engineer in Charge.

Material and labour for earthing complete with GI plate electrode 600mm x 600mm x 6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to GI earth wire 4.0mm by means of bolts, nuts, washers of galvanized including GI protection pipe 15mm dia, light grade, all as shown in electrical plate ;No. 3 of SSR Part-I SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber RCC 1:2:4 type B1 cover slab 50mm thick with 8mm thick with 8mm CTD 140mm centre to center with suitable handle, watering pipe 20mm dia light grade pipe with funnel, charcoal salt connected to earthing test point including testing and commissioning complete all as specified and directed by Engineer in Charge.

Supply and fix flood light fitting, 150Watt LED flood light fitting new generation energy saving & environmental friendly long life high performance LED flood light with lamp 150watts complete all as specified and directed by Engineer in Charge.

Delta Construtions (BID ID -3327186)

M R Govinda Reddy and Sons (BID ID -3321108)

M/s KM Marimuthu Achary (BID ID -3321503)

Varsa Constructions (BID ID -3329753)