SPECIAL REPAIRS TO EARTHING INFRASTRUCTURE INCLUDING IMPROVEMENT TO STATION EDUCATION SECTION AT AF STN AVADI

Amount

M&L for Demolition of un-reinforced cement concrete as in sunken floor of bath,wc and kitchen of any description and any in position not otherwise specifically provided complete all as specified and directed.

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

Dismantling of Stone slab and tiles laid bedded and pointed in any mortar of any description or thickness in floors, apron etc complete all as specified and directed.

Taking down plastering on lathing (other than wire-netting), without removing lathing, in cement or cement-lime mortar up to any height (one side only measured in cases where both sides are plastered) etc complete all as specified and directed.

Taking down chowkhats or frames with shutters and (without taking off shutters from frames) n.exc 1.5 sq. m each complete all as specified and directed.

Taking down chowkats or frames with shutters (without taking off shutters from the frame) exc 1.5 sq. m but n exc 4 sq. m each complete all as specified and directed.

Taking up or down steel tubing and connections, including removal to store etc all as directed for 15mm bore complete all as specified and directed.

All as item 7 above but for 20mm bore complete all as specified and directed.

Taking down PVC pipes / (any pipe of any size) or pattern incl all fittings, head shoes, bends swan necks etc including cleaning or re-fixing or removal to store(measured overall as fixed along the centre line over fittings and accessories). complete all as specified and directed.

M&L for Non skid coloured Ceramic tiles 7 to 8 mm thick (square/ rectangular ) area of each tiles exceeding 0.11 sqm but not exceeding 0.18 sqm as in floors etc . set and jointed in neat cement slurry and pointed in white or coloured cement to match, laid over 15 mm thick screed bed in CM 1:4 complete all as specified and directed.

M & L Glazed ceramic tiles in vertical surfaces 350 x 250x 7 mm/ 450 x 350 x 7 mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 10mm thick rendering in CM 1:4 etc. complete all as specified and directed.

M &L for 25mm thick PCC 1:2:4 type B-0 (using 12.50 mm stone aggregate) as in levelling course. complete all as specified and directed.

M & L 18-20mm thick Granite (of any type) work (table rubbed and polished) in 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. complete all as specified & directed.

M&L Rendering 15 mm thick on fair faces of brick or concrete surfaces in CM 1:4 finished fair and even (external surfaces) complete all as specified and directed.

M &L Rendering 10 mm thick on fair faces of brick or concrete surfaces in CM 1:6 and finished even and smooth without using extra cement (Internal surfaces). complete all as specified and directed.

M&L for Rendering cement plaster 10mm thick in cement mortar 1:3 (1 cement : 3 coarse sand) on ceiling, surface finished even and smooth without using extra cement, complete all as specified and directed.

Preparation of new plastered or unplastered surfaces of walls and applying two coats of cement base paint finished smooth with sand paper complete all as specified and directed.

Preparation of new plastered or unplastered surfaces of walls and applying two coats of oil bound distemper over a coat of primer complete all as specified and directed.

Preparation of new plastered or unplastered surfaces and applying three coats of white wash on ceiling complete all as specified and directed.

M&L for complete removal of existing treatment of old surface including brooming down / steel wire brushing, scrapping down smoke soot, mould, moss and efflorescent salts and trading oil and greasy spoutes and cleaning with water on wall and preparation of plastered surface of walls and applying two coats of oil bound distemper over primer for smooth surface complete all as specified and as directed. complete all as specified and directed.

Preparation of old decorated surfaces of wall by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salt and trading oil and greasy spotsdown and stopping etc and applying one coat of cement base paint incl cleaning the glass panes complete all as specified and directed.

Preparation of old decorated surfaces of wall by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salt and trading oil and greasy spotsdown and stopping etc and applying two coats of white wash to ceiling incl cleaning the glass panes complete all as specified and directed.

S&F solid PVC door frame of size 50mmx47mm made out of 5mm thick plain colour PVC sheet reinforced with 19mm thick MS square tube of 19 gauge mitre cut at two corners and joined by inserting two Nos of 150mm long brackets of 15mmx15mm MS square tube inside the 19mm MS square tube and suitably screwed complete all as specified and as directed.

S&F factory made solid PVC moulded door shutter with wood free EPS 28 to 30mm thick (styles) with 2,4 or 6 raised panel design with 2mm thick moulded PVC sheet on front face and 2mm plain colour PVC sheet on backface, supplying and fixing in frame at site as per specification complete all as specified and as directed.

S&F 75mm size type C21 Butt hinges extruded aluminium alloy with galvanised mild steel hinge pin anodised complete all as specified and directed. .

S&F aluminium handle 150 mm cast type anodized complete all as specified and directed.

S & F aluminium anodized tower bolt 100mm size complete all as specified and directed.

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

S & F Anodised aluminium powder coated window and ventilator shutters, side hung type. Glazed Shutter Gauged without sash bar al section weighing 0.55 kg/m incl necessary jointing cleats glazing clips rubber packing anodised al snap beading screws anodised al fittings such as peg stays 150mm long (01) No hinge type B21 100 MM lomg 02 Nos suitable handle and fixing approved anodised AL standard sec around the opening complete all as specified and directed..

S&F 4mm thick figured glass pin headed type and glazing with oil putty in squares not exc 0.5 sqm in each pane complete all as specified and directed..

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

S&F in repair 500 ltr capacity triple layer, rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position incl taking down old complete all as specified and directed.

S&F Ball valves, high pressure, with of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe of 25 mm bore (Minimum weight 455 gms )and fixed complete all as specified and directed.

S&F Unplasticised PVC pipes and fittings of 15mm dia of pressure rating 10 kgf/cm2 fixed complete to walls, ceilings or in floors etc. complete all as specified and directed

S&F Unplasticised PVC pipes and fittings of 20mm dia of pressure rating 10 kgf/cm2 fixed complete to walls, ceilings or in floors etc. complete all as specified and directed

M&L for Cutting chases or making holes in brick walls for concealed water tubing, making good to facings where required, cutting not exc 10 cm girth complete all as specified and directed.

S&F for PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls, of 110 mm dia complete all as specified and directed.

S&F PVC (SWR) bends 110mm dia of any radius with access door complete all as specified and directed.

S&F PVC (SWR) branch piece, single (Y) equal or unequal 110 mm bore with access door. complete all as specified and directed.

S&F 75 mm bore PVC ( SWR) pipes of single socketed in any length with rubber ring joints fixed to wall complete all as specified and directed.

S&F 75 mm bore. PVC (SWR) bends complete all as specified and directed.

S&F PVC (SWR) vent cowl 110mm dia complete all as specified and directed.

S&F PVC (SWR) Gully trap 125/110mm setting and jointing with solvent cement complete all as specified and directed

S & F in repairs Vitreous china water closet pan (pedestal pattern), white including fixing bolts, plastic water closet seat, black/white closed pattern with flat bottom and cover and mild steel chromium plated hinging device complete all as specified and directed.

S & F in repairs PVC valve less flushing cistern syphonic action type, low level, inlet, ball valve, float & handle 10 litre capacity including brackets, flush pipe and all accessories complete all as specified and directed.

S & F in repairs of 2-in-1 faucet with 1.5m tube and hook complete all as specified and directed.

S&F in repairs Vitreous China wash Basin (flat back or angle back type) , of size 550x400mm including brackets, PTMT waste coupling 32mm, including cutting for and pinning in ends of brackets or erecting stand etc, complete all as specified and directed

S & F in repair vitreous china urinal half stall urinal type, white, including providing and fixing plugs, bedding urinal against wall in cement mortar 1:2 securing urinal to plugs with and including 60mm long brass screws pointing around urinal back in cement complete all as directed.

S&F in repairs tubular towel rail brass chromium plated, 20mm dia, complete all as specified & directed.

S&F in repairs Soap dish vitreous china white of size 160x160x90mm fixed to wall all as specified and directed

S&F brass CP two way bib tap of 15mm dia all as specified and directed.

S&F toilet cabinet of size 350x450mm PVC body with shelf assembly mirror mounted as shutter etc complete all as specified and directed

S&F 75mm PVC (SWR) floor trap, plain with grating including jointing with solvent cement, all as specified and directed.

S&F in repairs 15 mm dia Bib taps, chromium plated cast copper alloy with crutch or butterfly handle, screwed down, screwed for PVC/ iron pipe or for brass ferrule and fixed complete all as specified amd directed

S&F in repairs 15mm dia stop valve/Angle valve, chromium plated fancy type cast copper alloy, screwed down high pressure, with crutch or butter fly handle, screwed both ends for PVC/iron pipes or for unions and fixed of,complete all as specified and directed.

S & F PVC connections 15mm size with PTMT nuts of length 600 mm,complete all as specified and directed.

S&F in repairs pillar taps cast copper alloy with capstan heads, chromium plated screwed down high pressure with or without lettered Hot or cold with long screwed shanks and flynuts, scewed for union pipe and fixed to 15mm dia pipe.

M&L for earthing complete with copper earth plate electrode of size 60cm x 60cm x 3.15mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using copper strip 20 x 3mm dia by means of bolts, nuts, check nuts and washers made of copper or brass and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 5 of SSR Part I (2009) all as specified and directed by Engr-in-Charge.

M&L for earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanised iron strip 25×4mm dia by means of bolts, nuts, check nuts and washers made of copper or brass and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 5 of SSR Part I (2009) all as specified and directed .

M&L for earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers made of copper or brass and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 5 of SSR Part I (2009) all as specified and directed.

Material & labour, chemical earthing complete with copper earth plate electrode size 900mmx600mmx5mm thick burried directly in ground vertically with top edge of the plate not less than 3.5m below normal ground level (The depth of pit not less than 4.25m below normal ground level), earth plate surrounded by packed layers of mixture of magnesium sulphate (MgSO₄) - 100Kg, common salt - 200Kg, Charcol dust - 300Kg and also mixing of Bentonite not more than 25 Kg with water, electrode connected with & including earth lead of copper strip 32x6mm by means of oxycetelane copper brazing as directed by Engineer-in-Charge, and other end of the earth lead connected to main switch board or main control board or test point or equipment, earth lead protected by galvanised iron pipe light grade (ISI marked) 50mm bore alongwith watering pipe 20mm bore GI medium grade (ISI marked of specified make), funnel with wire mesh, including all necessary excavation & earth work, PCC chamber in plain cement concrete (1:2:4) type B-1 & RCC cover (in lieu of CI cover), all as shown in electrical plate No. 2 of MES Schedule Part-I (2009), complete all as specified and directed. Note :- (i) RCC pit cover shall be pre-cast of RCC (1:2:4) type B-1, 80mm thick reinforced with XPM not less than 4Kg/Sqm. (ii) Rate shall include copper strip and protection pipe of length 7.5m, excess beyond 7.5m length required at site shall be measured and paid separately. (iii) Earth resistance should be less than 1 Ohm. In case the test results are not found below 1 Ohm, complete earthing will be redone without any extra cost to Govt.

Material and labour, test point terminal block made of gun metal or phosphorus bronze or copper, size 75mmx75mmx25mm, drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal head screws, complete all as specified and directed.

Material and labour, Earth continuity conductor or main earthing conductor 20mmx3mm copper strip, fixed to wall on batten with saddles and fixing screws or PVC/ Porcelain insulators etc. or recessed or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required, including brazing on both sides (over lapping) at all joints complete all as specified and directed.

Material and labour, Earth continuity conductor or main earthing conductor 25mmx4mm galvanised iron strip, fixed to wall on batten with saddles and fixing screws or PVC/ Porcelain insulators etc. or recessed or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required, including brazing on both sides (over lapping) at all joints complete all as specified and directed.

Material and labour for earth continuity conductor or main earthing lead fixed to valve on batten or recess or chases or burried in ground or drawing in conduit or any other situation for loop earthing etc as reqd 4 mm dia galvanized steel wire all as specified and directed .

Material and labour, Earth continuity conductor or main earthing lead or lightning conductor, 25mmx3.15mm aluminium strip, fixed to wall on batten with saddles and fixing screws or PVC/ Porcelain insulators etc. or recessed or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing or roof conductors and down conductors etc. as required, including brazing on both sides (over lapping) at all joints except test point, fixed as in replacement of existing strip, complete all as specified and directed.

Material and labour, Air termination, single pointed aluminium rod 12mm dia and 300mm long, including making connection to earthing conductor, fixed as in replacement of old termination rod, complete all as specified and directed.

Supply and fix, GI pipe 25mm bore light grade (ISI marked), cut piece of 1.0 metre - 1.5 metre length or as directed by Engineer-in-Charge, fixed vertically with bottom end embeded in & including cast-insitu PCC (1:2:4) block of size 20cmx20cmx15cm including use and waste necessary fair finish form work, and other end (at top) fixed to air termination rod with necessary bolts, nuts etc as required, complete all as specified and directed.

Supply, Install, testing and commissioning of lighting flash/strike counter in water and weather proof, digital display facility, current discharge capacity > 1 KA, IP 65 protection with enclosure for analyzing the frequency of lightning strikes and effectiveness of the lightning protection system in place and connected to down conductor with mounting arrangements with GI mast tower or Building wall surface and suitable fixing arrangements with standard accessories etc complete as per specification and as required complete all as specified and directed

Supply and fixing for 50 sqmm single core flexible copper conductor cable (ISI marked) from Eqpt upto earth pit i/c of any meter all accessories like PVC sleeves ,saddles/clamps/insulator etc complete aall as specified and directed

Material & labour, brazing/ soldering on both sides (over lapping) to the copper strip of size 20mmx3mm and 25mmx3mm as earthing lead, including dismantling the old from the existing position/ equipment without disturbing the functional requirements of the equipments, and reconnecting, after repair/brazing, complete all as specified and directed.

Supply and fixing, porcelain supporting insulator of as per existing size/adequate size fixing, on wall/roof for supporting the earthing strips, fixed as in repairs, complete all as specified and directed.

M&L in replacement of of earth pit size of 300mm(L)x 300mm(W)x 200mm(H) incl required exacavation, earth work and PCC work to make good damaged/disturbed surfaces of earth pit chamber & making new pit cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate, RCC cover complete all as specified & directed

M&L in replacement of wire mesh funnel GI type for fixing in 20/32mm dia GI light grade pipe complete all as specified & directed

M&L for writing on earth pit cover mentioned (Type pf earth, Earth values, Date of testing) with description complete all as specified and directed.

Supply and Fixing of Rigid non-metallic PVC conduit for 40 mm dia exclusive of boxes (junction/terminal) but inclusive of all tees, bends, elbows, reducers, bell mouth tube ends and fixing accessories such as couplers, lock nuts, saddles, pipe hooks etc fixed on walls with suitable clamps on ceiling / roof trusses etc complete all as specified.

M&L for GI tubing light grade laid in floors, on wall and fixing in steel trusses for earth strip protection of size 40 mm dia complete all as specified and directed.

Taking down carefully unserviceable point wiring copper / aluminium (light, fan, socket or power) complete, including removal of batten / conduit / gutties / wooden board etc., including fittings and fixtures such as switches, ceiling roses, regulators, sockets, light fittings, fans etc., removal from site under Sch of credit and removal of unserviceable items out of site and making good the disturbed surfaces of walls, ceilings etc., complete all as specified and as directed.

Point wiring on stone / brick masonry wall complete with two 1.5 sqmm single core PVC insulated FRLSH ,1100 volts grade unsheathed cable confirming to IS-694, 1977 with multistranded copper conductor, drawn through and including non-metalic rigid PVC conduit, conduit fittings and conduit accessories not less than 20 mm dia concealed in walls and fixed with suitable clamps on ceiling / roof trusses etc., and including provision of one 1.5 sqmm PVC insulated single core multistranded copper conductor FRLSH green in colour as earth continuity conductor and connected to common earth dolly, including steel box of required module for modular switches/sockets and regulators all as specified complete all as specified and directed for one light point controlled by one switch. Note : Cost of terminal box and cutting chases for concealing pipes is deemed to be included in the item rates quoted for point wiring.

One Exhaust fan point controlled by one switch.

One switch socket outlet 3 pin 5 Amps on independent board.

All as per item No 79 here-in-before but for point wiring with two 4.0 sqmm single core copper conductor multistranded FRLSH cable and one 4.0 sqmm PVC insulated single core multistranded cable as earth continuity conductor green in colour for one 3 pin switch socket outlet, 15 Amps, on independent board and industrial socket complete all as specified and as directed.

S&F Switch piano flush type, single pole,5 Amps, 240 volts complete all as specified and directed

S&F Switch socket 3 pin 5 amps , multi pin , flush type,complete all as specified and directed

S&F Switch socket 3 pin 15 Amps, multipurpose, flush type complete all as specified and directed

S&F ceiling rose 65 X 50 mm , three terminals ,bakelite , surface complete all as specified and directed

S&F MCB DB SPN 4 way, double door, powder coated, 240 volts, AC, 50Hz, IP 43 protected, with provision for MCB double pole as incomer and SP MCBs as outgoing with tinned copper bus bar, neutral link, earth link and connecting up complete all as specified and as directed. Note : Incoming and Outgoing MCB measured separately relevent items.

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 6 to 32 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified and directed.

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of SPN and current carrying capacity 40-63 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified and directed.

Power / Sub-main wiring with PVC insulated unsheathed, FRLSH ,1100 volts, grade multistranded copper conductor, two runs of single core 4 sqmm conforming to IS-694, drawn through and including suitable dia rigid PVC conduit, conduit fittings and conduit accessories alongwith one run 4 sqmm PVC insulated single core multistranded copper conductor cable (green) as earth continuity conductor concealed in walls and fixed with suitable clamps on ceiling / roof trusses etc. and connecting to common earth dolly complete all as specified and as directed.

S&F Surface and wall mounted LED tube light fitting, 20 W, batten type, PC housing provided for efficient heat dissipation with polycarbonate diffuser and integrated electronic driver complete with all accessories , suitable for operation on AC, single phase 220 / 230 Volts , 50 Hz supply, and including connecting up with PVC sheathed 1.5 sqmm 3 core copper conductor flexible wire from ceiling rose to fitting complete all as specified and as directed.

Supply & fix surface mounting LED backlit panel ceiling light 2X2 environmental friendly new generation aesthetically designed ultra modern recess mounting luminaire with high brightness SMD LEDs as light source, LED backlit luminaire suitable for armstrong/grid ceiling complete for low ceiling applications 34/36 Watt LED (2'X2') complete with electronic driver, suitable for operation on AC, single phase , 220/230V , 50 Hz , including provision of suitable twin core copper conductor PVC insulated , 1100 Volts grade cables not more than 5 m long and connecting up ceiling rose and fittings and testing, making good the disturbed any type of ceiling including taking down old fittings complete all as specified and directed.

S&F LED building security light fitting 30 W made up of pressure die cast housing with toughened glass and individual high power LEDs with secondary optics, IP66 protection and impact resistance of IK07, complete pre-wired and connecting up with suitable twin core flexble copper wire including provision of necessary GI tubing medium grade 25mm bore of pipe 1.5 bent to shape with necessary clamps made out of mild steel, nuts and bolts etc., including two coats of synthetic enamel paint over a coat of red oxide primer on exposed steel surface for fixing the fitting to Bldg etc complete all as specified and as directed.

Exhaust fan, heavy duty, 300mm sweep, 1370 RPM, with louvers, metal body conforming to IS-2312-1967, AC single phase, 240 Volts, 50 Hz and connecting including provision of two way PVC connectors, 1 sqmm flexible three core multistranded copper conductor cable from ceiling rose or connector to fan including earthing and fixing arrangements like making hole in wall and finishing to shape to match adjoining surface and writing MES No.20mm height with synthetic enamel paint black complete all as specified and as directed.

Material and labour for earth continuity conductor or main earthing lead fixed to valve on batten or recess or chases or burried in ground or drawing in conduit or any other situation for loop earthing etc as reqd 4 mm dia galvanized steel wire complete all as specified and directed.

muthu constructions (BID ID -3284683)

NAVEEN ENTERPRIESES (BID ID -3280404)