SPECIAL REPAIRS TO BLDG NO 77 AND 216 AT OTA CHENNAI UNDER GE STM CHENNAI

Amount

Demolition of unreinforced concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) and disposed off from site all as spcd

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for

Dismantling floor, hearth or wall tiling including cement mortar bedding but not backing), removing serviceable tiles to store and rubbish off the premises.

Demolition of brickwork or stone / boulder masonry built in cement mortar or cement lime mortar incl all quoins, arches, pillars etc., but excluding ashlar facings, dressed stone work and precast concrete articles.

Taking down chowkats or frames with shutters (without taking off shutters from frames) exc. 1.5 Sqm but n. exc 4 Sqm each including making good disturbed surfaces

All as per item No 5 above but n.exc 1.5 Sqm each.

Dismantling wrought iron or mild steel work of any description not otherwise provided for

M&L for glazed ceramic coloured joint free tiles in vertical surfaces, 350 x 250 x 7mm or 450 x 350 x 7mm thick, set and jointed in neat cement slurry and pointed in white or coloured cement including backing coat of 10mm thick in CM 1:3 all as specified and as directed.

M&L for 25 mm thick Cement concrete1:2:4 type B-1, using 20mm graded stone aggregate as in levelling course.

M&L for Non skid ceramic coloured joint free tiles 7 to 8 mm thick (square / rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15 mm thick screed bed in CM 1:4 complete all as directed

M&L for Non skid ceramic coloured joint free tiles 7 to 8 mm thick (square / rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15 mm thick screed bed in CM 1:4 complete all as directed

All as per item no 11 above but in vertical surfaces as in skirtings with backing coat of 10mm thick in CM 1:3 all as spcd and directed.

M&L for Vitrified ceramic coloured tiles 10 mm 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 15 mm thick screed bed in CM 1:4 complete all as directed

All as per item no 13 above but in vertical surfaces as in skirtings with backing coat of 10mm thick in CM 1:3 all as spcd and directed.

M&L for brick work with fly ash bricks straight or curved on plan to any radius in half brick thick walls built in CM 1:4

M&L for providing lintels upto 1.5m clear span on half brick partition wall with cement concrete Type B1, 1:2:4 using 20mm graded stone aggregate including use of form work.

M&L for TMT steel bars 10mm dia and over, cut to length bent to shape required as in reinforcement to lintels all as spcd and as directed

All as per item No.17 above but 6mm to 8mm dia

All as per item No.17 above but 5mm dia and over upto and including 10mm dia in stirrups.

Cutting out bricks, forming toothing for and bonding new into old work including value of new materials entering old walls and jointing and pointing in CM 1:6 (measured on vertical face in contact with old wall only).

M&L for old size Brick work with fly ash bricks straight or curved on plan and 6 metre mean radius built in CM 1:6 all as specified

M&L for Framed work such as grills, gratings etc., with ends of bar shouldered forged into spikes framed guard bars and similar work conforming to fe-290 gde E-165

M&L for Anodised aluminium (minimum 50 micron) frame for doors, windows, ventilators and grills/guard bars etc with one or more rebates including joining cleat for fixing etc. complete all as specified.

M&L for Anodised aluminium door shutters, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, handles 2 nos in each door, hinges, anodised aluminium snap beading, screws etc. complete all as specified

M&L for Anodised aluminium window and ventilator shutters, side hung type with sash bar, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws etc. anodised alum fittings such as peg stays, handles complete all as specified

S&F 9mm thick pre laminated particle boards, exterior grade, prelaminated both sides with decorative choice lamination fixed with screws to alum frame work for doors and cub boards door shutters all as spcd and as directed.

S&F Sheet glass 5.5 mm thick, ordinary quality and glazing with oil putty in square exc 0.5 sq. m in each pane and fixed to aluminium frame using rubber packing complete all as spcd and as directed..

S&F stainless steel wire cloth. 0.36mm nominal dia of wire and average width of aperture 1.40mm and fixed with stainless steel wire staples all as specified.

S&F Sheet glass 4mm thick, ordinary quality and glazing with oil putty in square n exc 0.5 sq. m in each pane and fixed to aluminium frame using rubber packing complete all as spcd and as directed..

S&F Figured glass, pin head type 4mm thick, and glazing with oil putty in square n exc 0.5 sq. m in each pane and fixed to aluminium frame using rubber packing complete all as spcd and as directed..

S&F Solid PVC door Frame of size 50mmX47mm made out of 5mm plain colour PVC sheet reinforced with M.S Square tube, supplying & fixing in opening as per specification &drawing & manufacturer's instructions.

S&F Factory Made Solid PVC Moulded Door Shutters 28 to 30mm thick with wood free EPS (stiles) with 2,4, or 6 raised panel design with 2mm thick moulded PVC sheet on the front face & 2mm plain colour PVC sheet on back face. supplying & fixing in frame at site as per manufacturers instructions.

Cutting openings through brick walls built in cement mortar for door, window and other openings or enlarging existing openings converting window into door openings etc., or cutting out defective brickwork for underpinning fixing and removing shoring cleaning etc., all as specified

Forming jambs etc., to openings (to foregoing item) including cutting toothing and properly bonding into old work also facing jointing and pointing to match existing work complete in CM 1:4 all as specified

S&F 100 mm size mild steel butt hinges, medium weight, cold rolled fixed with stainless steel screw with frame

S&F 75 mm size mild steel butt hinges, medium weight, cold rolled fixed with stainless steel screw with frame

S&F Aluminium anodised barrel tower bolts of extruded section 200 mm size

S&F Aluminium anodised barrel tower bolts of extruded section 125mm size

S&F Extruded aluminium alloy handles, fabricated type, anodised 150 mm long

S&F Extruded aluminium alloy handles, fabricated type, anodised 125 mm long

S&F 300 mm long Aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolt and sliding bolts of extruded sections or cast aluminium alloy and fixed.

S&F Cast iron door closer hydraulically regulated, designation No. 3, universal type, suitable for door shutters of 851 to 1000mm in width and of weight between 61 to 80 Kg capacity.

M&L for 100mm size Mortice latch with two levers (vertical type) brass body

M&L for RCC nominal mix 1:2:4 type B-1 using 20mm graded stone aggregate as in slabs supported on walls, beams etc.,

Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landing and similar work incl sides of slab, n exc 200mm thick (Horizontal or sloping) for flat rough finished surfaces of concrete.

S&F sinks with drainage board made of stainless steel 1mm thick kitchen or laboratory with plugs, washers and wastes incl bedding in cement mortar to dwarf wall or incl fixing cantilever brackets and connecting union to pipe overall size 915mm complete all as spcd

Cutting chases, pinning in making good to facings where required and pointing in cement mortar 1 : 3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels etc., and cutting chases for concealed water tubing or concealed conduit wiring etc., in brick walls and making good, cutting exc 10 cm but n exc 20 cm girth

S&F in repair Vitreous china wash down water closet (pedestal pattern), white, of style and pattern as existing, complete with and including providing plastic seat cover, white fixed all as directed.

S&F in repair Chromium plated health faucet with CP connection and hook fixed all as directed. Make ; Parryware Cat no: T9937A1 or equivalent. Make as listed in PS

S&F PVC valveless syphonic action type, flushing cistern, low level, white, 10 ltrs, with inlet ball valve, float, handle and flush pipe incl. brackets including 32 mm dia flush pipe

S&F in repair Vitreous China wash basin, white, oval shaped counter top, size 550x400mm excluding taps, waste, chain and plug and porcelain stopper but including brackets cutting for and pinning in ends of brackets or erecting or fixing of supply and waste pipe all as specified

Supply and fix in repairs Vitreous China Urinal, Half stall type coloured complete fixing with suitable fixing arrangements to wall with and including CP urinal spreader, CP domed waste coupling and waste pipe complete, all as directed.

S&F brass chromium plated 32mm bottle traps for wash basins with inlet and outlet screwed for pipe or connections including necessary packing, union and cap and fixed.

S&F PVC connection 15 mm size with PTMT nuts of length 450mm.

S&F low density 32mm dia bore polythene waste pipe (LDPE) of pressure rating 6 Kgf / Cm2

S&F Pillar taps 15mm bore cast copper alloy with capstan heads chromium plated, fancy type, screwed down high pressure with or without lettered 'hot' or 'cold' with long screwed shanks and fly nuts screwed for iron pipe.

S&F in repairs Bib taps 15mm bore cast copper alloy with crutch or butter fly handle chromium plated screwed down for iron pipe or for brass ferrule fixed.

S&F in repair stop valves15 mm bore chromium plated with long shank and cup (Concealed type) high pressure with crutch or butterfly handle screwed both ends for iron pipe or for unions and fixed

S&F in repair Brass chromium plated, tubular towel rail, 20mm dia, D type, 60cm long between flanges.

S&F 5mm thick Glass shelves for bath room corner set of three (10",8",6") all as directed.

S&F in repair toilet paper holder brass chromium plated as in repair complete .Make: Jaquar continental Cat No .ACN -1151N -or equivalent. Make as listed in PS.

S&F in repair stainless steel peg set of 5 as approved.

Demolition and breaking up drain pipes any type set in cement mortar

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints or solvent cement, laid in floor , 75mm bore.

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints or solvent cement, fixed to walls, 75mm bore.

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints or solvent cement, laid in floors, 110 mm bore.

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints or solvent cement, fixed to walls, 110mm bore.

S&F PVC (SWR) bend 110 mm bore.

S&F PVC (SWR) floor trap with grating including jointing to solvent cement waste pipe 75 mm dia.

S&F PVC (SWR) Gully trap 125 / 110mm setting and jointing with solvent cement.

S&F PVC (SWR) vent cowl 110 mm

S&F PVC (SWR) junction single, (Single T) equal or unequal for 110 mm bore pipe with access door

S&F PVC (SWR) junction single, (Single T) equal or unequal for 75 mm bore pipe with access door

S&F PVC (SWR) bend 75 mm bore.

S&F Grating doom 100mm dia of PTMT (Minimum weight 25gms)

S&F Stack clamps out of 50 mm by 5 mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof using bore of pipe 110 mm.

S&F in repairs triple layered rotational moulded polyethylene water storage tanks of capacity 1000 litres (cylindrical, vertical with closed top) hoisted and fixed in position all as specified including all fittingS&Fixtures and taking down old tanks from its position.

S&F Ball valves 25 mm high pressure of PTMT with epoxy coated Aluminium rod & high-density plastic ball screwed for iron pipe and fixed. (Minimum weight 25mm-455gms)

S&F in repairs 25mm Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe.

S&F in repairs 50mm Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe.

Taking up or taking down steel/iron tube of 20 mm bore and connections including cleaning for refixing or removal to store complete all as specified.

Supplying and laying of 20 mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings laid in walls/floors complete all as specified.

Taking up or taking down steel/iron tube of 25 mm bore and connections including cleaning for refixing or removal to store complete all as specified.

Supplying and laying of 25 mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings laid in walls/floors complete all as specified.

Taking up or taking down steel/iron tube of 50 mm bore and connections including cleaning for refixing or removal to store complete all as specified.

Supplying and laying of 50 mm CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings laid in walls/floors complete all as specified.

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

M&L for Rendering 10mm thick in CM 1:6 on fair faces of brick work or concrete surfaces and finished even and smooth without using extra cement on internal wall surfaces.

M&L for Rendering 10mm thick in CM 1:4 on fair faces of brick work or concrete surfaces and finished even and smooth without using extra cement on ceiling surfaces.

M&L for rendering 10mm thick in CM 1: 6 as under layer and 5mm thick in CM 1:4 mixed with water proofing compound as finishing layer to external wall surfaces and finishing the surface even and smooth including taking down existing cement plaster if necessary.

Supply only liquid integral water proofing chemical.

Complete removal of existing treatment on walls and applying two coats of oil bound distemper over a coat of primer over 3mm thick wall care putty to internal wall surfaces complete all as spcd and as directed.

Preparing new plastered wall surfaces and applying two coats of oil bound distemper over a coat of primer all as spcd and as directed.

Preparation of old decorated ceiling surfaces including necessary scaffolding and applying two coats of white wash including filling the cracks/depressions using chalk whitening wherever required all as specified

Preparing new plastered ceiling surfaces and applying three coats of white wash all as spcd and as directed.

Complete removal of existing treatment on walls and applying two coats of exterior weather proof paint over a coat of weather proof primer over 3mm thick wall care putty to all external wall surfaces complete all as spcd and as directed.

M&L for preparation of new steel surfaces over 10 cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as spcd and as directed.

M&L for 75mm thick cement concrete 1:3:6 type C2 using 40mm graded stone aggregate as in plinth protection & paving finished even and smooth without using extra cement.

S&F Anodised aluminium deco grill of size of mesh not exc 75mm x 75mm, thickness shall approx be 6mm, decorative type and fixed with suitable aluminium section fixed to alum frame of windows / ventilators complete all as spcd and as directed.

Removing the existing roof treatment of any description completely and removal of all the debris from site and rubbish off the premises complete all as directed.

M&L for cement Screed bed of 20mm thick in CM 1:4 with using waterproofing liquid as per manufacturers instructions. Note:- water proofing liquid shall be measured and paid separately.

M&L for water proofing treatment with APP modified prefabricated five layer water proofing membrane, not less than 3mm thick and weighing not less than 3.60 Kg/Sqm reinforced with non woven polyester matt black finished over compatible primer at 0.3 litre/Sqm, touching the membrane on whole surface uniformly while unrolling the membrane by LPG and sealed with trowel after necessary preparation of surface complete all as per manufactures instructions . The over lap joint shall be provided of 75mm in longitudinal direction and 100mm in transverse direction respectively. All the angles, abutments and the drainage outlets shall be sealed with extra care to ensure full bondage. Manufactures : IWL India Ltd/SAPL (ARGO-P) Hydrotech Ltd (Hydroflame)/STP direction. Note : The work shall be carried out by authorised applicators of manufactures

Dismantling wall and ceiling boards (fibre, pulp, insulation etc.,) or insulation boards / slabs / blankets, any thickness, including cover fillets.

S&F 605 x 605mm anodised aluminium snap grid frame work for false ceiling including suspending wire all as spcd

M&L for providing 12mm thick Gypsum board in ceiling fixed with screw as per manufacturers instructions.

M&L for 20mm thick Granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, window cills, cooking platforms and like in CM 1:4 incl pointing in white cement 1:2 using marble dust with admixture of pigment or mat.

M&L for Rounding to edges of Granite / stone slabs one edge such as in steps, cooking platforms and other similar situations.

S&F CPVC 20mm dia brass elbow

S&F CPVC 20mm dia brass Tee

S&F CPVC 25mm dia brass elbow

S&F CPVC 25mm dia brass Tee

S&F CPVC 50mm dia brass elbow

S&F CPVC 50mm dia brass Tee

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.

Material and Labour for Point wiring complete with 1.5 sqmm FRLSH 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.

(a) One light point controlled by one switch.

(b) One Ceiling fan point controlled by one switch and one regulator.

(c) One 3 pin 5 amps switch socket on independent board.

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

(e) One exhaust point controlled by one switch

All as per item No.116 above but with 4 sqmm copper conductor cable with 4 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.

M&L for sub main wiring with PVC insulated, 1100 volts grade single core multistranded copper conductor cable FRLS 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.

M&L for sub main wiring with PVC insulated, 1100 volts grade single core multistranded copper conductor cable FRLS conforming to IS specifications, 2 runs of 10 sqmm including one run of 10 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 and fixing LED luminaries 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and as directed.

Supply and fix Wall mounted LED 22W Batten Basic all purpose surface and wall mounted LED batten with Aluminium housing & Integrated electronic driver all as specified and as directed.

Supply and fixing wall mounted LED batten, Extruded aluminium housing provided efficient heat dissipation with polycarbonate diffuser with integrated electronic driver high efficacy. short circuit & voltage cut off protection, wide operating voltage range of 140V to 270V wide, lumen output of 1050,10W including lamp with complete all as specified and as directed.

Supply and fix MCCB Distribution board suitable for 4 pole, TP&N , vertical , double door, sheet steel, enclosure powder coated with 100 Amps rated bus bar with neutral link,415 Volts 4 way fixed on wall duly grouted in solid block wall or on wooden board with electrical connection complete 4 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. Make: C&S /Legrand/ ABB

Supply and fix MCCB four pole , 415 Volt, 100 Amps,16 KA , adjustable thermal & fixed magnetic setting including taking down Old MCCB complete all as specified and directed.

Supply and fix 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 & Fix MCB SPN 230 volts, 40 amps 'C' Curve 10 kA Capacity including taking down Old MCB complete all as directed.

Supply & Fix MCB SP 230 volts,40 amps 'C' Curve 10 kA Capacity including taking down Old MCB complete all as directed.

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

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

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

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

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

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

Disconnection and taking down Old Ceiling Fan and deposit it to MES store safely, Supply & Fix in replacement of 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 all as directed.

Disconnection and taking down Old Exhaust Fan and deposit it to MES store safely, Supply fix and exhaust fan, steel body AC single Phase. 230V of size 300mm sweep with, blades, and frame and louvers including all accessories as per site requirement complete all as specified and 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 using M- Sand including spreading, levelling, punning for cushioning of cable all as directed.

Supply & Lay cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 3.5 core 50 Sqmm 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.

S&F of 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 including taking down the old U/s earthing at site.

G.JANAKIRAMAN CO (BID ID -3266653)

GOKUL ENTERPRISES (BID ID -3271034)

SWIFTTECH ENGINEERS INDIA PVT LIMITED (BID ID -3266694)

Sri Mahalakshmi Enterprises (BID ID -3266570)