KNMT 2025-26 - Water Supply Improvemnt Works -Alangulam TP

Amount

Earthwork excavation above Water Level in light or sandy or clayey soil for infiltration well of 6.00 m dia (Internal) including levelling the site with an initial lead of 10m and as directed by the departmental officers - Excavation for Infiltration well for first depth of 2.00 m

Second Depth of 2 m

Sinking of infiltration well of 4.50 m internal dia below water level including all incidental charges using special tools and plants such as air compressor, helmet etc., complete including bailing out water below pilasters level

I depth of 2 m

II depth of 2 m

III depth of 2 m

The rates for earth work excavation and refilling for pipe line works having bed width of 1.25m and below on linear measurement basis - Earth work rate for other than loose soil/m PVC/HDPE/GRP + Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge Twad Sor 24-25 Pg No 191

100mm Dia DI pipe

350mm Dia DI pipe

400mm Dia DI pipe

200mm,250mm HDPE Pipe

110mm,140mm,160mm HDPE Pipe

Supplying and filling in foundation and basement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Refilling as per IS specifications and as directed by the engineers for the following sizes in metres,as per drawing.Twad Sor 24-25 Pg No 191

100mm Dia DI pipe

350mm Dia DI pipe

400mm Dia DI pipe

200mm,250mm HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Refilling the foundation with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification and as directed by Engineer .

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Plain cement concrete 1:1.5:3 (One cement, one and a half sand and three hard granite broken stone of 20mm size ISS gauge) including mixing, placing, ramming, finishing, curing etc., complete in accordance with specifications and as directed by TWAD Board Officers.

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc., centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86. Curved surface

Plain surface Below GL upto 3.3m above GL

3.3 m to 4.3m ht from GL

3.3 m to 4.3m ht from floor level

7.3 m to 8.3m ht from GL

11.3 m to 12.3m ht from GL

14.3 m to 15.3 m from GL

15.3 m to 16.3 m from GL

Square Column Column 0 to 3.3m ht above GL and below GL

Column above 3.3m to 4.3m ht from GL

column above 4.3 m to 5.3m ht from GL

column above 5.3 m to 6.3m ht from GL

column above 6.3 m to 7.3m ht from GL

Column above 7.3m to 8.3m ht from GL

column above 8.3 m to 9.3m ht from GL

column above 9.3 m to 10.3m ht from GL

column above 10.3 m to 11.3m ht from GL

column above 11.3 m to 12.3m ht from GL

column above 12.3 m to 13.3m ht from GL

column above 13.3 m to 14.3m ht from GL

column above 14.3 m to 15.3m ht from GL

Circular surface

Porous Concrete CC 1:4 (one cement ,four hard broken granite jelly of size 20mm) for steining of infiltration well excluding cost of centering but including curing etc complete and as directed by the Officers

Reinforced Cement concrete 1:2 :4 (one cement, two sand & four course aggregate) using 20mm gauge hand broken/ and broken granite stone for all RCC items of works excluding centering shuttering and cost of reinforcement but including curing etc.,complete and also including fixing fan clamps and fixtures in rcc works wherever necessary as directed by departmental officer etc., complete.

Upto basement

First floor

Providing and laying in position Standardised Concrete Mix M-30 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 400Kg/ cum and maximum water cement ratio of 0.45 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone sand (M- Sand) but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

Above G.L upto 1.50m

Below GL & upto 1.5 m

Below GL & beyond 1.5 m

From 4.50 m to 7.32 m ht. From G.L.

From 7.32 m to 10.98 m ht. From G.L.

From 10.98 m to 14.64 m ht. From G.L.

From 14.64 m to 18.30m

From 18.3 m to 21.96m

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Painting two coats with approved cement paint over one coat of primer over the cement plastered exposed wall surface and side of roof slab and complete as directed by Officers

Painting two coats for Interior surface with approved Interior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Painting two coats with Enamel paint of approved colour and quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification

Supplying and fixing of Steel door and Window using ISA Sections and MS Sheet of approved quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification

Disposal of surplus earth including loading, conveyance within a distance of 5 km and spreading as directed by the Engineer in charge.

Supply an delivery of 600mm dia FRC manhole frame to have clear opening of 600mm dia to suit 600mm dia FRC Coverf approved quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification

Suppliyng delivery of PVC Mould CI steps for sump including transportation.,

Providing Ventilating arrangements by fixing in position 350mm OD PVC 6Ksc pipe with PVC Cowl and as directed by the TWAD Board officers.

Providing for cutting edge using 12G MS sheets including the cost of fabrication welding and placing in position in the curb including supply of the MS sheet with necessary holding rod of 20mm dia.

Plugging the bottom of the well with coarse sand of approved sizes and grade as directed by the Board officers

Supply, delivery and fixing of RCC Inner Ladder of approved quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification

Supplying and fixing of cutstones size 0.45x0.45x0.15m in CM 1:3 below the inlet pipe

Providing RCC spiral staircase as per approved design(Separate Data)

Providing RCC hand rail of 1.2 m height around the top of the roof slab with jolly work (Separate Data)

RCC Post

RCC Jolly work

Providing RCC ventilator over roof slab and roof dome of S.R. (0.45 m dia) (Separate Data)

Supplying, Laying, jointing of following Pipe Connection as per IS- 1537/1976 (CLASS- B) VERTICAL CAST FOR PIPES AND IS-1538/1993 FOR SPECIALS etc.,Earthwork Excavation, Refilling, Lowering, Jointing, Lifting charges with necessary Gate Valves and Electromagnetic Flow Meter complete as directed by the Departmental Officers Pipe Details are listed below: Inlet ∅-150mm Outlet ∅-200mm Overflow ∅-200mm Scour ∅-100mm

Labour charges for Painting Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables, one coat of base paint, scaffolding charges on the Service Reservoirs.

Construction of Scour valve pit :Earth work, C.C.1:4:8, Brick work in CM 1:5, Plastring in C.M 1:3 with 12 mm Thick, RCC1:1/2:3, Cut stone, Steel and Labour for fixing etc., of size 1.2 m x 1 m x 1.2 m

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded bricks of size 9" X 43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

Plastering inside of well steining by CM 1:3 (One cement and four sand ) 10mm thick including curing etc., complete and as directed by Officers.

Plastering in C.M. 1:5 mix (one part of cement and five part of Sand) 12mm tk including mixing and finishing to a well smoothened surface, watering cost and conveyance all materials and all labour and other incidental charges and other incidental charges etc., complete. as per standard specification TNBPSS 56,57

Paving the floor with design Antiskirt ceramic tiles (colour and shade as directed) of size 305 mm x 305mm x 6 mm in all floors over a base layer of cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick laid in-situ and pointed with same coloured cement

Weathering course in Brick jelly and lime concrete using broken brick jelly of size 20 mm uniform gauge in pure slacked lime ( no sand to be used ) the proportion of brick jelly to lime being 32:12.5 by volume laid over the RCC roof slab in a single layer of required design , slope and finished thickness by beating the concrete with wooden and beaters of approved pattern keeping the surface constantly wet by springing lime Jaggery water etc,. complete as per standard specification and as directed by the Engineer incharge.

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 12 mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 150 x 100 x 113 mm TW switch box with 3mm hylum sheet cover for 5A 3 pin non inter locking CS plug with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed PVC plug point. SD 38

Supply and run of 2 of 1.5 sqmm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour. SD 54

Supply and fixing of single box type 4'40 W flu fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting SD 88

Supply and fixing of 3 phase 4 wire 4 way ICDB of 32 A per way with 100 A TPN MC switch with suitable trunking box Ms cable entry boxes and internal connection on suitable angle iron frame work with earth connection SD. 177

Supply and fixing of Horizontal type 4 way triple pole neutral MCB distribution board in sheet steel enclosure with 40 A 4 pole MCB isolater as incoming and 12 Nos. 6A to 32 A SP MCB as outgoing in flush with wall and making good of the concealed portion with earth connection. The MCBDB and MCB's should be with the ISI mark (lik standard make) SD. 179

Supply and run of 2 of No.8 SWG GI wire for guarding with cradle with No.8 SWG GI wire at the equal interval of 1.5m SD.75

Supply and run of 4x6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V on 7/20 GI bearer wire for service connection mains

Supply & delivery of following sizes of DUCTILE IRON SOCKET/SPIGOT PIPES AS PER IS 8329/2000

100mm Dia DI pipe - K9 D/F

350mm Dia DI pipe -K7

400mm Dia DI pipe - K7

Supply & delivery of following sizes of HDPE PIPES confirming to IS 4984/2016 - PN 10 Twad Sor 24-25 Pg No 14

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Supply & delivery of following sizes of DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K9 AS PER IS 8329/2000 Twad Sor 24-25 Pg No 40

(I)100 mm D.I. 90 Deg Bend (11Kg/1No),45 Deg Bend (10Kg/1No),22.5 Deg Bend (9Kg/1No)

(i) 350 mm D.I. 90 Deg Bend (87Kg/1No) 45 Deg Bend (65Kg/1No) 22.5 Deg Bend (52Kg/1No) (ii) 400 mm DI 90 Deg Bend (113Kg/1No) 45 Deg Bend (82Kg/1No) 22.5 Deg Bend (67Kg/1No)

Supply & delivery of following sizes of SPECIALS FOR HDPE PIPES AS PER IS 8360/1977/Part I(Reaffirmed 1992) Part II and III 90 Degree Bend For

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Equal Tee For 250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

100mm Dia DI pipe - K9 D/F

350mm Dia DI pipe -K7

400mm Dia DI pipe - K7

Lowering pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers Twad Sor 24-25 Pg No 160

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

100mm Dia DI pipe - K9 D/F

350mm Dia DI pipe -K7

400mm Dia DI pipe - K7

Jointing Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.Twad Sor 24-25 Pg No 163

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Cutting C.I./D.I Pipes true to axis and filing smoothly and finishing the ends complete

350mm Dia DI pipe -K7

400mm Dia DI pipe - K7

Cutting P.V.C./HDPE rigid pipes and specials true to axis and finishing the ends complete.Twad Sor 24-25 Pg No 174

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe

140mm Dia HDPE Pipe & 110mm Dia HDPE Pipe

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with orizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work xcavation for fixing vertical posts and finally removing and stacking the aterials safely for further use etc., complete and as directed by TWAD Board officers.Twad Sor 24-25 Pg No 209

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus stand and in the Highways etc.) for laying of pipe line sing casurina poles at 1.50m center to center (8cm to 10cm dia. and 1.80m height) vertical with horizontal poles in two rows, painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing 75mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as irected by TWAD Board officers. Twad Sor 24-25 Pg No 210

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.Twad Sor 24-25 Pg No 174

100mm Dia DI pipe - K9 D/F

350mm Dia DI pipe -K7

400mm Dia DI pipe - K7

110mm Dia HDPE Pipe

140mm Dia HDPE Pipe

200mm Dia HDPE Pipe & 160mm Dia HDPE Pipe

250mm Dia HDPE Pipe

Supply, Delivery and fixing of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage, inside and outside color Blue including Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc. complete as per specifications. All the valves are to be compatible for burried application with pressure rating . For isolation/Control

100 mm Pipe Valve

350 mm Pipe Valve

400 mm Pipe Valve

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe & 160mm Dia HDPE Pipe

140mm Dia HDPE Pipe

110mm Dia HDPE Pipe

Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty.

350 mm DI Pipe - 80 mm Air Valve

400 mm DI Pipe - 100 mm Air Valve

Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in units of (kilolitres/ cubicmeter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3m/sec to 4 m/sec and be constructed as follows:Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ PolyuretSrivilliputhur Municipality hrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects Coil Housing shall be fabricated from stainless steel (SS 304) with Anticorrosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP 68 protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions.The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output, Communication interface is RS485, HART output, . The microprocessor based signal converter shall have a selfdiagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out Higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminium with glass window. The converter cum transmitter should be fully programmable form the front facia. The programming should be user friendly, self-prompting menu driven. Flowmeter test calibration certificate from FCRI, flow test lab/ NABL accredited lab to be furnished.

100mm Dia DI pipe

350 mm Pipe Valve

400mm Dia DI Pipe

250MM Dia HDPE Pipe

160mm Dia HDPE Pipe & 140mm HDPE Pipe

110mm Dia HDPE Pipe

Labour charges for cutting of B.T road or WBM roads for laying of mains and as directed by Engineer in charge.Twad Sor 24-25 Pg No195

B.T. Roads (or) Maccadam road

Concrete Roads

Construction of Valve Chamber of in Brick work with CM 1:5 mix with RCC Slab 100 mm thick including cost and conveyance of all materials and labour charges to site etc., complete as per Standard specification Sluice Valve Chamber

350 mm Pipe Valve

400 mm Pipe Valve

250mm Dia HDPE Pipe

200mm Dia HDPE Pipe

160mm Dia HDPE Pipe & 140mm Dia & 110mm Dia HDPE Pipe & 100mm Air valve Chamber

Construction of Thrust blocks - with RCC M20 Grade concrete Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) including all charges etc complete., complying with standard specification as directed by Corporation Engineers 'P.C.C 1:2:4 (one cement, two sand and four coarse aggregate) using Sulphate Resistant cement and 20 mm H.B.G stone, RCC M 20 grade using cement and 20 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the Corporation Engineers. Refilling the trenches with suitable excavated earth available in layers of 150 mm thick, watering, ramming & consolidation complete as directed by the Corporation Engineer. Conveyance of excess earth to a distance not exceeding 5 km as directed by the Corporation Engineer including cost of loading, transportation and unloading charges etc

400mm - 90 Deg Bend

400mm - 45 Deg Bend

Supply of 150 mm DE D/F Pipe Inlet to the Existing Over Head Tank

150mm DI D/F 2.50m Pipe

2.00 m Pipe

1.00 m Pipe

(i) 150mm DI D/F Duck foot Bend (ii) 150mm DI F/S Tail Piece (iii) 150mm DI D/F Bend

Supply and fixing of 100m dai GI pipe & Specials of approved quality as IS 1239/PART/1 / PART 2/2004. including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification.

100mm Dia GI Pipe

100mm Dia GI coupling

100mm Dia GI Lbow

100mm Dia GI H Nipple

100mm Dia GI Union

100mm Dia GM Gate valve & 100mm Dia GI NR valve

Drilling of borewells of size 6” to 8” dia. in sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including collection of samples as directed by the TWAD Board Officers..

Supply of the following UPVC Pipe 6 KSc Pipe as per IS specifications 4985/2000.160 MM PIPE

Supply and delivery of bolts and nuts 20mm dia and above x 90mm etc.,

Supply of the following UPVC Pipe 6 KSc Pipe as per IS specifications 4985/2000. 50 MM PIPE

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation.

Proposed Pumps in IW Thamirabharani 1000LPM x 20 m Head

Supply and delivery of Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415 V, 50 Hz, 1500 RPM.

Proposed Pumps in Sump 3000LPM x 60m Head

Supply and Delivery of Di-Electric Capacitor with Test Certificate given per KVAR is inclusive of Banking charges, such as providing copper bus bars with provision for adding atleast 2 capacitors at later date, cable entry box, fabricating charges etc. complete. This rate is not applicable for replacement of capacitors which does not require banking and fabrication works.

5 KVAR for 7.5HP Infilteration well

15 KVAR Sump

Pump Panel board

Supply and Deivery of wall mountend cubical type EB meter Box up to 50HP/37 KW (which includes LT meter panel board, 6 Nos. suitable fuse carriers

150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification (For Suction and Delivery to be mounted on wall on Teak Wood Board)

Supply ond delivery of 95sq.mm L.T. CABLES 3.5x95Sq.m CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING

Supply and laying of 2 core 1.5 sq.mm. armoured copper cable for control wiring to the Terrace Pump Motor with runs of 14 SWG TC wire for earthing, providing in wall with suitable size GI clamps, screws, wooden plug, end termination by using suitable size cable glands, copper sockets and etc., as directed by the Departmental Officers.

JOINTING OF L.T. CABLES- 3.5 CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CABLE CONFORMING TO IS 7089 PART I AND AS AMENDED THERE AFTER WITH ISI MARKING including materials lugs clamps

Supply and delivery of heavy duty 11KV grade 3.5x50sq.mm ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING

JOINTING OF L.T. CABLES- 3.5 CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CABLE CONFORMING TO IS 7089 PART I AND AS AMENDED THERE AFTER WITH ISI MARKING

Laying the above cables as per IE rules inside the pump room or in air

Supply and deleivery of heavy duty 11KV grade 3x16 Sq.mm ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING MV panel to 18KVAR capacitor

JOINTING OF L.T. CABLES- 3 CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CABLE CONFORMING TO IS 1554 PART I AND AS AMENDED THERE AFTER WITH ISI MARKING

TWIN CI EARTHING as per IS 3043/1987 and Latest amendments including earth pit withRCC slab and other civil works upto 25 HP

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.