COMPLETION OF INCOMPLETE WORKS WITH RESPECT TO SPECIAL REPAIRS TO BLDG NO. P-53 (1ST FLOOR) AT OTA CHENNAI, SPECIAL REPAIRS TO BULLET CATCHER WOODEN PLANKS, FIRING TRENCHES AND AMN DISTRIBUTION POINTS AT BAFFLE RANGE IN MEENAMBAKKAM OF OTA CHENNAI AN

Amount

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

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

Dismantling plain or corrugated steel sheeting,any gauge, thickness, including nainital or similar pattern roof coverings.

Taking down cement plaster of any description incl raking out joints, hacking for key, scrubbing down with water etc. upto triple storey building including scaffolding arrangement complete all as specified.

M&L for Brickwork with fly ash old size bricks, straight or curved on plan exc 6m mean radius, built in CM 1:6 all as specified.

S&F Pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall fixed with self tapping screws all as specified and directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall/valley gutter etc fixed with self tapping screws all as specified and directed.

S&F mild steel flat iron for wind tie including necessary drilling holes and fixing with necessary self drilling and self tapping screws/bolts and nuts, neoprene and limpet washers complete all as specified and directed.

S&F in true horizontel level modular false celling using hot dipped galvanised steel section. Exposed surface chemically cleaned capping prefinished in backed polyester paint 24 mm grids wall angle of size 3000mm x22 mm x22 mm used in the periphery of the celling fixed to the partition, RCC coloumn and wall using screws at 600 mm c/c. Main runner of size 24 mm x 32mm x 3600mm suspended at 1200 c/c 4mm G I wire hanger safely fixed to the structural soffit of the RCC slab/ structural steel using 6mm anchor fastner at every 1200 mm c/c (max ) and 1200mm long cross tee of size 24mmx 23mm x1200mm to be interlocked between main runner at 600mm c/c (max) to form grid of 600mmx600mm. Tile to have PVC laminated in gypsum based tiles of 8 mm thick complete all as specified and directed.

M&L for 25mm thick PCC 1:2:4, type B-0 using 12.50mm graded stone aggregate as in leveling coarse complete all as specified and directed.

M&L for vitrified ceramic coloured tiles 10mm thick (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm (600x600mm), in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the surfaces over 15mm thick screed bed in CM 1:4 complete.

All as per item No.14 above, but in vertical surfaces as in skirtings, incl backing coat 10 mm thick in CM 1:3 all as specified and directed.

M&L for non skid ceramic coloured joint free tiles 7 to 8mm 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 the surfaces over 15 mm thick screed bed in CM 1:4 complete all as directed.

M&L for glazed ceramic coloured joint free tiles in vertical surfaces 350 x 250 x 7mm/ 450x 350x7 mm thick, set and jointed in neat cement slurry and pointed in white or coloured cement, incl backing coat 10mm thick in CM 1:3 all as specified and directed.

S&F Powder coated Anodised aluminium frame for doors, windows, ventilators etc with one or more rebates including joining cleat for fixing etc. complete all as specified and directed.

S&F Powder coated Anodised aluminium door shutters, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, ruber neoprene packing, handles 2 Nos in each door, hinges, anodised aluminum snap beading screws etc. complete all as specified and directed.

S&F Sheet glass 5.5mm thick ordinary quality and glazing with beading in squares exc 0.5 Sq.m in each pane.

M&L for Prelaminated particle board, interior grade, prelaminated both side with decorative choice lamination fixed with screws to timber/aluminium frame work as in 9 mm thick.

M&L for cutting holes in brick walls in cement mortar for inserting holdfasts and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 type B-1 as required for exc half brick but n.exc one brick thick walls.

S&F MS work for 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 complete all as specified and directed.

S&F framed work such as grills, gratings, etc., with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe 290 Gde-E-165.

M&L for preparing surfaces of wood and wood based materials of any description and treated with tar or coal tar black paint treating ends of posts backs of chowkats etc area tarred exc 0.1 sqm but n exc 0.5 sq m each.

M&L for preparing surfaces of wood and wood based materials of any description and treated with tar or coal tar black paint treating small articles such as stop covers gully gratings holdfasts ends of posts backs of chowkats etc area n exc 0.1 sqm each.

S&F Solid PVC Door Frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with M.S. Square tube, supplying & fixing in opening complete as per manufacturers specification and as directed.

S&F Factory made PVC moulded door shutters 30mm thick made out of MS tubes of 19 gauge thickness and size 19mmx19mm for stiles and 15mmx15mm for top and bottom rails MS frame shall have a coat of steel primers. The inner panel shall consist of 25mm thick termite proof water proof and fire resistant moulded PVC rigid foam sheet in different plain, The panel to be sealed with lipping of 10mm wide PVC sheet batten (Made by stacking 5 PVC rigid foam sheet of 5mm thickness and 25mm width) on the side opposite to where hinges are fitted etc complete as per manufacturers specification and as directed.

S&F 100mm size of mild steel butt hinges, medium weight, cold rolled .

S&F 75mm size of mild steel butt hinges, medium weight, cold rolled .

S&F Alumininum anodised barrel tower bolts of extruded section 150 mm size.

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

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

S&F 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 Length of bolt 300mm.

M&L for preparing surfaces of new wood or wood based surfaces any description not otherwise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer.

M&L for preparation of old painted steel surfaces of any description, not otherwise described, over 10 cm width or girth and applying one coat of synthetic enamel paint all as specified.

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

Material & labour for water proofing treatment with APP modified prefabricated five layer water proofing membrane, not less than 3mm thick and weighing not less than 3.80 Kg/Sqm reinforced with non woven polyester matt black finished over compatiable primer at 0.3 litre/Sqm, torching 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 and finally finished with a coat of bit mastic aluminium paint over the membrane. The over lap joint shall be provided of 75mm in longitudinal direction and 100mm in tranverse 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/ TIKIDAN. Note : The work shall be carried out be authorised applicators of manufactures

S&F in repairs 15mm bore steel tubes medium grade galvanised with all fittings / fixtures complete to walls and ceilings or laid in floors.

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

S&F PVC (SWR) bends with access door of 110mm bore.

S&F PVC (SWR) single 'T' with access door, equal or unequal of 110mm bore.

S&F PVC (SWR) bend 110 mm bore complete all as specified.

S&F PVC (SWR) vent cowl 110 mm.

S&F in repairs vitreous china wash hand basin, white, flat back, size 550x400mm excluding taps, waste, chain and plug and porcelain stopper but including brackets,cutting for and pinning in ends of brackets or erecting of fixing of supply and waste pipe all as specified.

S&F in repairs vitreous china wash down water closet pan (pedestal pattern), white (excluding flushing cistern and flush pipe) with plastic water closet seat, white, closed pattern with flat bottom, and cover and MS CP or aluminium hinging device all as directed.

S&F in repairs PVC valveless, syphonic action type flushing cistern low level, 10 litre capacity with it’s complete accessories, fixed complete incl connection to water pipe and PVC 32 mm dia flush pipe etc.

S&F in repairs 15mm Bib taps,chromium plated fancy type cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule.

S&F in repais 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 PVC connection 15mm dia with PTMT nuts of length 450mm.

S&F chromium plated cascade health faucet with minimum 1200mm long pipe of fancy type CP connection and hook fixed in repairs all as directed.

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 cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite including cement screed 15mm thick in CM 1:4 all as directed.

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

M&L for 15mm thick rendering in two layers of 10mm thick and 5mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 finished even & smooth without using extra cement, using water proofing compound in top layer upto triple storey building including scaffolding arrangement complete all as specified and directed. Note:- WPC shall be measured and paid separately as "Supply only".

Supply only integral water proofing compound of approved quality complete all as specified.

Complete removal of existing treatment and preparation of plastered or unplastered surfaces of walls, soffits of chajja, cornices etc and applying two coats of exterior weather roof paint over a coat primer white or tinted upto triple storey building including scaffolding arrangement complete all as specified and directed.

M&L for preparation of newly plastered surfaces and applying two coats of exterior weather proof paint over a coat primer white or tinted upto triple storey building including scaffolding arrangement on external surfaces of wall complete all as specified and directed.

Dismantling of wooden scantling over 40 sq cmand over in section, in any position in unframed work.

Dismantling timber fillets under 40 sqcm in section in framed work

Dismantling boarding, any description, fixed in any position with nails.

M&L for second class soft wood scantling meeting baffle range design criteria clean sawn as in bullet catcher all as specified and directed.

M&L for second class hard wood plain fillets square or rectangular in section, clean sawn as secured with nails sectional area exce 13 sqcm and not exc 25 sqcm.

M&L for second class hard wood board 25mm thick clean sawn with butt joints.

M&L for preparaion of new wood or wood based materials or any description and girth and treated with creosote oiling two coats.

M&L for loose filling of graded stone aggregate 20 mm

M&L for PCC 1:4:8 type D2 using 40 mm geraded stone aggregate as in foundation filling and mass concrete.

M&L for Rendering in CM 1:6 with 15 mm thick on brick work including finished even and smooth with out using extra cement.

M&L for 40mm thick PCC 1:2:4 type B-1 using 20mm graded stone aggregate as in floor finished even and smooth without using extra cement

M&L for Chequered cement concrete tile 30 cm x 30 cm x 25 mm thick with grey cement and pigment set, jointed and pointed in neat cement slurry in floors laid over 20 mm thick cement mortar screed bedding in CM 1:4 all as specified.

M&L for preparation of new plastered surface of wall and applying three coats of white wash.

Dismantling of mild steel work post struts, purlins, rafters etc of any description not otherwise provided for complete all as specified.

Excavating post holes (or similar holes)in hard/dense soil each n exc 0.5 cum getting out, returning filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm watering and removing surplus soil to a distance n exc 50 m and making good surface.

M&L for PCC 1:3:6 type C-2 using 40 mm graded stone aggregateas in foundation filling and mass concrete.

M&L for MS tubular as in column/ posts confirming to Fe--290, Gde E-165

M&L for MS tubular purlins, rafters etc confirming to IS 1161-1979 grade St-240

M&L for preparation of new steel surface over 10 cm width or girth and applying two coats of paint synthetic enamel over a coat of redoxide zinc chrome.

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.

M&L for Point wiring complete with 1.5 sqmm single core PVC insulated unsheathed cable 1100 volts grade, multistranded copper conductor drawn through and including non-matallic rigid PVC conduit PVC conduit fittings and conduit asccessorries 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 / telphone socket, including provision of 1.5 sqmm PVC insulated unsheathed cable with multi stranded copper conductor as earth continmuity 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 for the followings:-

(a) One light point controlled by one switch.

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

All as per item No.76 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 conforming to IS specifications, 2 runs of 4 sqmm including one run of 4 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 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. Note for item No.78 & 79 :- Two runs of copper conductor, one run of earth continuity conductor and one run of PVC conduit shall be measured and paid as one unit.

Supply and fix 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.

Supply and fixing wall mounted 10W LED batten,Extruded aluminium housing provided efficient heat disipation with polycarbonate diffuser with integrated electronic driver high efficacy.short circuit & voltage cut off protection, wide opearting voltage range of 140V to 270V wide, lumen output of 105 including lamp with complete all as specified and 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 - three terminals all as directed.

S&F Lamp Holder PVC Poly corbonate with back plate suitable for batten fittings including 1x 11W LED Bulb all as specified and 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

Supply and fix in replacement of Aluminium strip 25 x 3.15mm with saddles and fixing screws etc for roof conductors and down conductors above ground level including taking down old complete all as specified and as directed.

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

GOKUL ENTERPRISES (BID ID -3478788)

AM BUILDERS (BID ID -3478816)

Sri Mahalakshmi Enterprises (BID ID -3478857)