SPECIAL REPAIRS FOR DEVELOPMENT OF BORE WELLS AGAINST BER FOR DC I AND DC II AREA AND PROVN OF MAIN AND STAND BY POWER SUPPLY FROM AUDITORIUM TO HALL ALONGWITH PROVISION OF TOILET FACILITY FOR AFA IN DC I AREA AT AF STATION UNDER GE AVADI.

Provn of toilet facility for AFA in DC-I at AF Stn Avadi

RATE In Figures To be entered by the Bidder Rs. P

Excavation of trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation etc or for sharts, wells cessipts, manholes, pier holes etc 10 Sqm on plan and n exc 1.5m in depth and getting out soft/loose soil. complete all as specified and as directed

M&L for PCC 1:4:8 type D2 using 40mm graded stone aggregete as in foundation filling and mass concreteing complete all as specified and as directed

Material and labour for Brickwork with flyash bricks using Old size bricks, straight or curved on plan exc 6 m mean radius, built in CM 1:6 complete all as specified and as directed

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc. 25 cm complete all as specified and as directed

Removing excavated material not exc. 50 m and depositing where directed at a level not exc. 1.50 m above the starting point. complete all as specified and as directed

Rendering 10 mm thick on fair faces of brick work or concrete surfaces complete all as specified and as directed

M&L for 5 mm thick cement plaster in CM 1:4 with WPC rendered over 10 mm thick plaster in CM 1:6 finished even and fair without using extra cement (water proofing compound shall be measured and paid separatly.) complete all as specified and as directed

All as per item No.22.00 above but for 20mm bore

M&L for preparation new surface of wall applying two coats of cement based paint over coat of alkaline resistant Primer on external wall surface complete all as directed

S&F Ball valves, high pressure with of PTMT with expoxy coated aluminium rod & high density plastic ball screwed for iron pipe of 25mm bore (minimum weight 455 gms) and fix complete all as specifed and directed

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

M&L Pre painted galvalume aluminium zinc coating GI based plain steel sheet in ridges 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering /cladding to wall,fixed with self tapping screws complete all as specified and as directed

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

M & L cement concrete 1:3:6, 75 mm thick, type C2, (using 40 mm graded stone aggregate) as in plinth protection/ path etc finished surface even and smooth witout using extra cement. complete all as specified and as directed

M&L broken stone or boulders hardcore of guage not exceeding 63mm deposited, spread and levelled in layers not exceeding 15cm thick, watered and rammed to a ture surface complete all as specified and as directed

M&L forming 12mm thick expansion joints filled with pre formed bituminous filler 100mm pth and top 30mm shall be applied wioth primer and sealed with sealing compoubnd Grade "B" complete all as specified and as directed

Supply only Liquid Water Proofing Compound complete all as specified and as directed

S&F 500 ltr capacity triple layer, rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hosited and fixed in position complete all as specified and as directed

Preparing surface plastered or unplastered on walls and applying three coats of white wash complete all as specified and as directed

S&F 25 mm gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe all as specifed 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

Collection of water samples from various open/ shallow/ bore wells/ sumps all as per standard instructions and guidelines of the Authorised lab, and transporting the samples safely and getting the same tested for chemical and bactyeriological tests from the same institute and submit the result all as specified and directed. Note:- Sample will be collected by contractor or his rep from various locations at Avadi Station and bottle and levelling of sample will be provided by the contractor without any extra cost.

S&F Non coloured Ceramic tiles 7 to 8 mm thick (square/ rectangular ) area of each tiles exceeding 0.03 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, laid over 10mm thick screed bed in CM 1:4 complete all as specifed and directed

M&L Glazed ceramic tiles in vertical surface of size 450 x 350x 7mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match over 10mm thick rendering in CM ( 1:3 ) all as specified and directed

S&F Vitreous china squatting pan “ Orissa” pattern size 580mm x 440mm white with integral foot rest including 10ltrs capacity PVC flushing cistern (low level with inlet, ball valve float), brackets, flush pipe of polyethylene of low density PVC 32mm dia for low level flushing cistern complete all as specified and as directed.

S&F Vitreous China wash basin (flat back or angle type) of size 550zx400mm including brackets, PTMT waste coupling 32mm and PVC 32mm dia waste pipe including cutting for and pinning in ends of bracket or erecting stands etc. complete all as specified and directed.

S&F Vitreous china urinals, half stall type with PVC waste / flush pipe, complete 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 grating and union for discharge pipe etc complete all as specified and directed.

S&F tubular towel rail aluminum anodized, 20mm dia D Type 60cm long between flanges all as specified and directed.

S&F in repairs soap dish vitreous china white of size 160x160x90mm fixed to wall 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 15mm dia Bib taps, chromium plated coated copper alloy with crutch or butterfly handle, screwed down , screwed for PVC/iron pipe or for brass ferrule and fixed complete all as specified and directed.

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

S&F 15mm dia pillar taps cast copper, alloy with capstan heads, chromium plated, screwed down high pressure, with or without lettered “Hot” or ‘Cold’ with long screed shanks and fly nuts screwed for iron pipe complete all as specified and directed.

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

S&F PVC (SWR) pipe 110mm bore PVC (SWR) pipes single socked, in any length with rubber rings joints, laid in trenches or in floors, complete all as specified and directed.

S&F PVC (SWR) pipe 75mm bore PVC (SWR) pipes single socked, in any length with rubber rings joints, laid in trenches or in floors, complete all as specified and directed.

S&F PVC (SWR) pipe 110mm bore PVC (SWR) pipes single socked, in any length with rubber rings joints, fixed on walls, complete all as specified and directed.

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

S&F 110mm bore PVC (SWR) bends any radius, complete all as specified and directed

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

Preparation of new or pervousily untreated steel surfaces of any descrpition, over 10cm width or girth not other wise described and applying two coats of synthetic enamal paint over a coat of red oxide primer. complete all as specified and as directed

S&F solid PVC door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with MS square tube of 19 gauge meter 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 screed 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 hick moulded PVC sheet on front face and 2mm plain colour PVC Sheet on back face, supplying and fixing in frame at site as per specification complete all as specified and as directed

S&F 100mm Butt hinges stainless steel with stainless screw complete all as specified and as directed

S&F aluminum handle 100mm cast type anodized. complete all as specified and as directed

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

S&F anodized aluminum frame for doors, window ventilators with one or more rebates including joining cleat for fixing etc., complete all as specified (including channels for louver glass) complete all as specified and as directed

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

Cutting into existing manholes for connecting new drains making good to pipe and rendering cutting out existing benching for and forming branch channel in cement concrete 1:2:4 type B-1 smooth finished and reforming benching as required internal dia of pipe 150mm 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 for 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 light point controlled by one switch.

One Exhaust fan point controlled by one switch.

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

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

M&L for lifting of unser submersible pump sets at various places in domestic area including unscrewing column pipes and deposited to MES store yard complete all as specified and as directed. Note: All the T&P and labour required for lifting and depositing pums set to MES store yard will be arranged by the contractor without any extra cost.

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.

Surface excavation not exc 30 cm deep and averaging 15 cm deep and getting out in hard/ dense soil incl cleaning away all grass vegetation saplings shrubs brushwood undergrowth roots and trees not exceeding 30cm grith and remoiving rubbish upto a distance 50M outside the operiphery of the area under clearance complete all as specified and as directed

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.

S&F Surface and wall mounted LED tube light fitting, 20/22 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 and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of SPN and current carrying capacity 20 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified and 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.

S & F LED light fitting 1x9W/1X10Wbulkhead luminaires including LED light driver holder connecting up with three core flexible copper conductor cable of suitable size complete all as specified and directed.

Earthing complete with galvanised iron earth plate electrode 600mm X 600mm X 6mm thick, with and including earthing of 4mm dia GI wire protected by 15mm dia GI pipe light grade upto a length of 7.5m. The plate shall be buried directly in ground vertically to a depth not less than 2.25 metres below ground level with top edge of the earth plate at a depth not less than 1.5 metres below ground level, connected to earth lead as described here-in-before by means of bolts, nuts, washers and checknuts made out of galvanised iron or mild steel, earthing lead protected by as described here-in-before and connected to main switch board or main control board or electric pole all as shown on electrical plate No.3 of MES Sch Part-I including necessary earth work and excavation in any type of soil, plain cement concrete 1:3:6, type C1 chamber, reinforced cement concrete cover slab with locking arrangement and handle of 10mm dia MS round bars 450mm long, 1:2:4 type B1, 50mm thick with 8mm dia TMT bars at 140mm centre to centre both ways, GI pipe of bore 20mm medium grade for watering with funnel, wiremesh, salt, charcoal, lugs including testing complete all as specified and as directed.

Provn of Main & Stand by power supply for Narendra Auditorium to GR Prasad Hall at AF Stn Avadi

Material and labour for earth continuity cond

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out any type of 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 specified and as directed.

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

Laying in trenches fine sieved excavated dry soil including spreading/ leveling, cushioning for underground cables all as specified and as directed.

Supply and laying of common burnt clay building bricks, sub class B size for cable protection all as specified and as directed.

uctor 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 .

Supply, laying and testing 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 70 sq mm 3.5 core all as specified and directed.

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

Supply.install,testing and commissioning of cubical outdoor LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made of approx size 1200 mm x 1200mm x 450 mm thick frame work and 3.15mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 300 A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements all as specified and directed. :-

LT Bus bar chamber cubical out door type weather/dust proof, factory made out of 3.15 mm thick CRCA sheet powder coated with front and back side openable with suitable cable chamber and front side shutters with locking arrangement panel base of angle iron 50x50x6 mm upto 45 cm height for 433 volts, 3 phase, 4 wire system including Four Pole aluminium bus bar 400 amp capacity including control wiring with suitable size of PVC insulated stranded copper conductor and incoming/outgoing connection with aluminium busbar complete as per manufacture design complete mounted or fixed on PCC foundation above 0.45 mtr on floor and cable connection with suitable size of aluminium lugs and glands size of LT Panel 900mmx750mmx450mm complete INCOMING:- i) MCCB,200 Amp 4 pole, FE Frame,Ics=100% of Icu, 36 KA breaking capacity with adjustable Microprocessor release -01 No (ii) Indicating Lamp LED Type - 01 set (iii) Multifunction meter digital type -01 No

Excavation in trenches n. exc. 1.5 mtr wide and n. exc. 1.5 mtr in depth for laying of CI/GI water tubing and getting out in any type of soil complete all as specified and directed.

Removing excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.5M above the starting point completed all as specified and directed.

Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm completed all as specified and directed.

Supply and laying UPVC pipes 50 mm dia of Sch 80 laid in trench complete including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc laid in trenches including taking down the old rusted pipe and testing complete all as specified and as directed.

INCOMING:- (i) MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole, 36 kA.- 1 No (ii) On load change over siwtch 200 Amps ,4 pole 415 volts ,3 phase ,50 Hz AC - 01 No OUTGOING (i) MCCB adjustable thermal magnetic release type of capacity 160 amps, 4 pole, 25 kA.- 01 No. (ii) MCCB adjustable thermal magnetic release type of capacity 63 amps, 4 pole, 25 kA.- 02 Nos. (iv) Indicating Lamp LED Type - 01 set (03 Nos) (v) Multifunction meter digital type -01 No

Material and Labour f

or drilling/development of existing bore hole at different locations using rotary rig for a diameter of 300mm size and depth each exceeding 60m but not exceeding 120 m in any type of soil/rock including removal of soil to a distance of not more than 50m complete all as specified and as directed.

M&L for Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron strip 32×6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified and directed ncluding testing on completion complete .

Supply and lowering PVC casing pipes into bore holes, PVC plain pipe of outer dia 165mm and wall thickness not less than 5.7mm conforming to IS specifications including taking down old pipe from existing bore complete all as specified and as directed.

Supply and fix PVC cap screwed for PVC pipe 165mm outer dia and fixed at the bottom of casing pipe including taking down old cap from existing bore complete all as specified and as directed.

Supply and fill in the annular space between PVC casing pipe and true bore hole, free pebbles of size 6mm to 10mm complete all as specified and as directed.

Supply and fix MS clamp each made in two halves for holding GI pipes into bore wells made up of Flat iron 50 x 6 mm with holes drilled and suitable size bolts, nuts and washers including providing two numbers PCC pillars on both side of the bore well for resting the clamps including taking down old clamp from existing bore complete all as specified and as directed.

Supply and lowering U PVC Colum pipe ( Threaded Pipe ) 50mm bore dia heavy grade alongwith the submersible type pump set including necessary cutting to required lengths and screwing, including necessary fittings and fixed complete including taking down old pipe from existing bore all as specified and as directed.

Supply and fix heavy duty galvanized steel socket (coupling) 100mm long suitable for coupling 50mm bore dia GI pipe complete all as specified and as directed.

Supply and fix cable submersible type into bore hole alongwith GI pipe and pump, PVC insulated, sheathed, stranded copper conductor cables of 1100 volts grade, water proof, with flexible copper conductor of size 3 core 6 sqmm all conforming to IS specification including necessary jointing kit and connecting up motor and starter terminals and testing complete including taking down old cable from existing bore all as specified and as directed.

Boring with drill/reverse rotary circulation method including electric logging through in any kind of strata of soil/rock for drilling at various places of Domestic area not less than 300mm dia hole for depth n.exc. 60 m from ground level by keeping sufficient space for packing pea gravels including disposal of surplus soil with in 50 m complete all as specified and directed.

M&L for Nylon rope of 16mm dia suitable for borewell all as specified and as directed.

All as per item No 79.00 here-in-before but PVC pipe of perforated type complete all as specified and as directed.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanised GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the topp edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate No 3 of SSR part I of 2009 complete all as specified and directed.. Note :- All joints either strip to strip or strip to earth plate are fixed with welded joints.

Yield Testing and development of bore well by means of pumping by air compressor to obtain a minimum desired yield of 15000 GPH for number of hours as required all as specified and directed. :-

By compressor of capacity suitable PSI 500 to 600 upto first 24 hours so that clear water is obtained for continous output of 15000 GPH all as specified and directed..

Material and labour for for demolition of old broken / usnv valve pit and construction masonary valve chamber size 90 X 90 X 90 cm (Internal dimension) in repair with 100 mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) sub base of floor, 50mm thick PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) in floor finished even and smooth without using extra cement, one brick thick wall in cm 1:4 using old size sub class 'B' bricks and plastering internally and externally upto 150mm below GL 15 mm thick with cement mortar (1:4) and MS sheet cover not less than 6 mm thick with angle iron frame size 40x40x6mm, locking arrengement and painting with two coats synthewtic enamel painting over a coat of the red oxide primer including excavation and earth work in any type of soil complete all as specified and directed.

SPECIAL REPAIRS TO DEVELOPMENT OF BORE WELLS AGAINST BER FOR DC I AND DC II AREA AT AF STN AVADI

Strata sample box made out of second class hard wood (Hollock) with openable shutter having complete transparent glass and locking arrangement, having not less than 20compartments capable of holding 400 to 600 gms of strata sample, painting two coats over a coat of primer complete all as specified and directed.

Supply, lowering, installing, commissioning and testing of submersible pumping set having capacity 1650 LPM at minimum 160 meter head with outlet as per OEM but not less than 50 mm bore including electric motor AC 3 phase, 400-440 volt, 50 c/s submersible not less than 15 HP complete with all accessories all as specified and as directed.

M&L for gun metal gate valve, ISI marked of the 50mm bore of pipe complete all as specified and as directed.

For subsequent hour by compressor of capacity suitable PSI for 24 hours to 42 Hours all as specified and directed.

Yield testing of the tube well by means of engine driven pumping set of suitable capacity (The discharge shall be measured by providing orifice system of 'V' Notch fixed to steel tanks of adequate capacitall as specified and directed.)

M&L for gun metal Non return valve, ISI marked of the 50mm bore of pipe complete all as specified and as directed.