Revamping work for CWSS to Padavedu

Amount

Source improvement, Replacement of pipes & Pumpsets, Cables in CWSS to Padavedu and 46 other habitations in Tiruvannamalai District (Construction period: 9 months and Free Maintenance: 3 months). - e–Submission

Supply, Delivery and Laying of 25 Sqm & 50 Sqm 3 Crore 1.1 KV Grade Armoured Aluminium Conductor XLPE insulated PVC Sheathed Cable for Infiltration Wells at Head works and allied works etc, Complete

Supply, Delivery and Laying of various sizes of Pumping main, Branch Pumping mains and allied works etc, complete for all Pumping Stations.

Supply, Delivery and erection of various capacity of pumsets , tartars, cable and accessories and allied works etc, complete

Rejuvenation of Pump rooms, sumps and compound walls including colour washing of Civil Structures at Headworks and all other group pumping stations and allied works etc complete.

Free Maintenance

Add GST @ 18% on Basic value

Description of Work / Item(s)

Amount

Supply and delivery of LT 3 Core 1.1 KV Grade Armoured Aluminium conductor cross linked Polyethylene insulated PVC sheathed cables conforming to IS 7098 (part I) /1988 with ISI Marking etc, complete and as directed by the TWAD Board officers.

25 Sq.mm 3 core (From Inf.Well to Pumproom) - IW 2

50 Sq.mm 3 core (From Inf.Well to Pumproom) - IW 5

50 Sq.mm 3.5 core - Sumps (Service Cable)

Laying of 3/3.5Core Aluminium Armoured cable etc, complete and as directed by the TWAD Board officers.

Below GL including earth work per meter etc, complete and as directed by the TWAD Board officers.

25 Sq.mm 3 core (From Inf.Well to Pumproom) - IW 2

50 Sq.mm 3 core (From Inf.Well to Pumproom) - IW 5

Inside the pump room or air in meter etc, complete and as directed by the TWAD Board officers.

25 Sqmm 3 Core Cable IW 2

50 Sqmm 3 Core Cable IW 5

50 Sqmm 3.5 Core Cable Sumps

Labour charges for jointing of LT cables 3 core 1.1 KV grade armoured aluminium conductor cable conforming to IS 1554 part I with ISI marking including jointing materials etc, complete and as directed by the TWAD Board officers.

25 mm Sq.mm Cable IW 1,2,3,4

50 mm Sq.mm Cable IW 5

50 Sqmm 3.5 Core Cable HW Sumps

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc, complete and as directed by the TWAD Board officers.

Infiltration Wells

Description of Work / Item(s)

Amount

MATERIALS

Supply and delivery of following sizes of HDPE PIPES - PE 100 AS PER IS 4984/2016 (Pre-Compounded Resin) inclusive of transportation charges to stockyard excluding unloading anywhere in Tamilnadu etc, complete and as directed by the TWAD Board officers.

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

Supply and delivery of following sizes of G I PIPES (MEDIUM) AS PER IS 1239/PART I/2004 inclusive of transportation charges to stockyard excluding unloading anywhere in Tamilnadu etc, complete and as directed by the TWAD Board officers.

150mm GI medium pipes

125mm GI Medium pipe

100mm GI medium pipe

80mm GI medium pipe

65mm GI medium pipe

50mm GI medium pipe

Supply and delivery of following sizes of G.I. SPECIALS AS PER IS 1239/ PART II inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

G.I. Equal Elbow plain

150mm G.I. Equal Elbow plain

125mm G.I. Equal Elbow plain

100mm G.I. Equal Elbow plain

80mm G.I. Equal Elbow plain

65mm G.I. Equal Elbow plain

50mm G.I. Equal Elbow plain

G.I. Coupling

150mm G.I. Coupling

125mm G.I. Coupling

100mm G.I. Coupling

80mm G.I. Coupling

65mm G.I. Coupling

50mm G.I. Coupling

Conveyance of following sizes of pipes from stock yard to site of work including loading, transit and unloading charges, etc, complete as directed by TWAD Board officers

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

150mm GI medium pipes

125mm GI Medium pipe

100mm GI medium pipe

80mm GI medium pipe

65mm GI medium pipe

50mm GI medium pipe

Cutting following dia GI pipes true to axis and finishing the ends SR connection etc.., complete and as directed by the TWAD Board Officers..

150mm GI medium pipes

125mm GI Medium pipe

100mm GI medium pipe

80mm GI medium pipe

65mm GI medium pipe

50mm GI medium pipe

Threading following dia GI pipes ture to axis and finishing the ends SR connection etc.., complete and as directed by the TWAD Board Officers.

150mm GI medium pipes

125mm GI Medium pipe

100mm GI medium pipe

80mm GI medium pipe

65mm GI medium pipe

50mm GI medium pipe

DI SINGLE CHAMBER AIR RELEASE VALVE 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 etc.., complete and as directed by the TWAD Board Officers.

CIVIL WORKS

Earth work excavation and depositing on bank with initial lead of 10 m and initial lift of 2m in narrow trenches for laying of pipes for water supply in the following types of soil

Hard stiff clay, stiff black cotton, hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.etc.., complete and as directed by the TWAD Board Officers.

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

150mm GI medium pipes

125mm GI Medium pipe

100mm GI medium pipe

80mm GI medium pipe

65mm GI medium pipe

50mm GI medium pipe

Jointing HDPE 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.

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

90mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

50mm HDPE PN 6

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) 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 as directed by the TWAD Board Officers.

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

Refiling with excavated sand or other loose soil complying with standerd specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested. as directed by the TWAD Board Officers.

160mm HDPE PN 6

140mm HDPE PN 6

110mm HDPE PN 6

75mm HDPE PN 6

63mm HDPE PN 6

Description of Work / Item(s)

Amount

Supply and delivery of open well Sub.Pumpset conforming to IS 14220 / 2002 ans as amended there after and BEE 3 star rated capable of discharging the following dutied due to all causes. the pump shall be stainless steel shaft and dinamically 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 1.1 KV grade 3 core suitable flat sub.cable 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 ) , 415 V + 6% and 415 V -15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air breake star delta upto 20 HP and auto transformer starter for above 20 HP starting and for continuous operation.(For the duty condition of pumpsets for which rates are not available in SOR 2024 -25 has been adopted to the nearest duty condition available in SOR rates are noted with in the brackets) etc., complete as per directed by TWAD Board Officers.

Submersible Pumpset - 250 lpm X 22 m Head - IW 1

Submersible Pumpset - 250 lpm X 20 m Head - IW 2

Submersible Pumpset - 250 lpm X 22 m Head - IW 3

Submersible Pumpset - 250 lpm X 23 m Head - IW 4

Submersible Pumpset - 250 lpm X 50 m Head - IW 5

Submersible Pumpset - 1250 lpm X 60 m Head - HW at Shenbagathoppu

Submersible Pumpset - 270 lpm X 25 m Head - GS at Annanpoorani Nagar

Submersible Pumpset - 270 lpm X 25 m Head - GS at Devanakulam

Submersible Pumpset - 310 lpm X 50 m Head - GS at Padavedu

Submersible Pumpset - 260 lpm X 38 m Head - GS at Kalasamudram

Submersible Pumpset - 140 lpm X 50 m Head - GS at Kalasamudram

THREE PHASE PANEL BOARD- D.O.L WITH TWO LEVEL GUARD AND AUTO START Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately).etc., complete as per directed by TWAD Board Officers.

Submersible Pumpset - 250 lpm X 25 m Head - 5 HP IW 1,2,3,4,5 & GS-5

Submersible Pumpset - 10 HP Group Sumps 1,2,3,4

FULLY AUTOMATIC AIR BREAK AUTO TRANSFORMER STARTER WITH SINGLE PHASING PREVENTOR WITH AMMETER CONFIRMING TO IS 8544 Part IV WITH AUTO RESTART FACILITY Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc.etc., complete as per directed by TWAD Board Officers.

Submersible Pumpset - 1250 LPM x 60m Head - 40 HP

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking complete as directed by TWAD Board Officers.

250 lpm X 25 m head IW 1,2,3,4

250 lpm X 50 m head IW 5

1250 lpm X 60 m head CS

270 lpm X 60 m head GS-1

270 lpm X 60 m head GS-2

310 lpm X 60 m head GS-3

260 lpm X 60 m head GS-4

140 lpm X 60 m head GS-5

Ammeter Digital - 96 mm X 96 mm Three Phase Ammeter Class 1-1A, complete and as directed by TWAD Board Officers.

Voltmeter Digital - Three Phase Class 1-AC etc., complete as per directed by TWAD Board Officers.

Supply and delivery of Woltman model with removal mechanism water meters, (No domestic use) conforming to ISO 4064 part I, II, III Class B and IS-2373 with life cycle test certificate from FCRI/ NABL accredited lab. The watermeter shall have magnetic drivers or mechanical drivers and shall be versatile for installation in any position. The meters shall be hydrodynamically, hydrostatically balanced. The runner, runner chamber, pointers of the meter shall be as per ISO 4064 specification. Dry dial excavated counter housing fully protected against flooding ensuring easy reading in all climatesetc., complete as per directed by TWAD Board Officers.

Water meter-150mm, Durt Box, Erection charges

Water meter-80mm, Durt Box, Erection charges

Supply and delivery of PVC INSULATED AND SHEATHED 3 CORE FLAT TYPE COPPER CABLE CONFORMING TO IS 694/1990 AND AS AMENDED THERE AFTER etc complete and as directed by the TWAD Board Officers.etc., complete as per directed by TWAD Board Officers.

6 Sqmm - IW 1,2,3,4,5

6 Sqmm - GS 1,2,3,4,5

10 Sqmm - HW SUMP

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 etc., complete as per directed by TWAD Board Officers.

Upto 5.00 HP

Above 5.00 HP to 10.00 HP

Above 30.00 HP to 40.00 HP

Supply , delivery and fixing of GI pipes and specials for providing pipe connection for the pumpset, complete and as directed by TWAD Board Officers.

100mm GI Pipe Connection for Group Sumps 3

100 mm dia G.I. Delivery pipes

100 mm dia GM Gate Valve

100 mm dia G.I.Union

100 mm dia WAFER TYPE (DUAL PLATE CHECK VALVE) CONFORMING TO IS AND WITH 5 YEARS WARRANTY

100 mm dia G.I Flange set

100 mm dia Rubber Sheet for flange

100 mm dia G.I Bend

100 mm dia G.I. Pipe Nipple(0.3m) including cutting and threading charges.

80 mm dia G.I. Pipe Nipple(0.3m) including cutting and threading charges.

100 mm dia G.I. Equal Tee Plain

100 mm dia G.I coupling

100 x 80 mm G.I Reducer (Heavy)

90 mm x 75 mm PVC Reducer Fabricated

140 x 125 mm PVC Threaded Coupler

Cutting 100 G.I pipe true to axis for finishing the end

Threading100 mm G.I pipes finishing complete

100mm MS Clampset

80mm GI Pipe Connection for Group Sumps 1,2,4

80 mm dia G.I. Delivery pipes

80 mm dia GM Gate Valve

80 mm dia G.I.Union

80 mm dia non return Valve

80 mm dia G.I Flange set

80 mm dia Rubber Sheet for flange

80 mm dia G.I Bend

80 mm dia G.I. Pipe Nipple (0.3m) including cutting and threading charges.

50 mm dia G.I. Pipe Nipple (0.3m) including cutting and threading charges.

80 mm dia G.I. Equal Tee plain

80 mm dia G.I coupling

100 mm x 80 mm G.I Reducer (Heavy)

80 mm x 50 mm G.I Reducer (Heavy)

110 x 100 mm PVC Threaded Coupler

Cutting 80 G.I pipe true to axis for finishing the end

Threading 80 mm G.I pipes finishing complete

80mm MS Clampset

65mm GI Pipe Connection for Group Sumps 5

65 mm dia G.I. Delivery pipes

65 mm dia GM Gate Valve

65 mm dia G.I.Union

65 mm dia non return Valve

65 mm dia G.I Flange set

65 mm dia Rubber Sheet for flange

65 mm dia G.I Bend

65 mm dia G.I. Pipe Nipple (0.3m) including cutting and threading charges.

50 mm dia G.I. Pipe Nipple (0.3m) including cutting and threading charges.

65 mm dia G.I. Equal Tee Plain

65 mm dia G.I coupling

90 x 75 mm dia PVC Reducer (Fabricated)

65 x 50 mm dia G.I. Reducer (Heavy)

75 x 50 mm PVC Threaded Coupler

Cutting 65mm G.I pipe true to axis for finishing the end.

Threading 65 mm G.I pipes finishing complete

65mm MS Clampset

Labour charges for painting TWAD Board 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 including painting NRDWP Logo on the Service Reservoirs etc., complete as per directed by TWAD Board Officers.

Description of Work / Item(s)

Amount

White washing two coats using fine screened shell lime for the new plastered surface for inner and outer side of the room including the cost of materials labour charges etc., complete and as directed by TWAD Board Officers.

Colour washing two coats with approved colour and quality over two coats of white washing for outside of the room including the cost of materials, labour charges, cleaning and preparation of the surface and curing etc., complete and as directed by TWAD Board Officers HW

Painting Windows & Ventilators on both sides with readymixed enamel paint two coats over priming coat of approved quality and colour including thorough scrapping clean removal of dirt etc. complete complying with standard specification including cost of paint and brushes, labour charges etc., and as directed by TWAD Board Officers. The colour and quality has to be approved by TWAD Board Officers.

Colour washing the Sump on one outer sides with readymixed enamel paint two coats over priming coat of approved quality and colour including thorough scrapping clean removal of dirt etc. complete complying with standard specification including cost of paint and brushes, labour charges etc., and as directed by TWAD Board Officers. The colour and quality has to be approved by TWAD Board Officers.

Colour washing the Compound Wall on two both inner and outer sides with readymixed enamel paint two coats over priming coat of approved quality and colour including thorough scrapping dean removal of dirt etc. complete complying with standard specification including cost of paint and brushes, labour charges etc., and as directed by TWAD Board Officers. The colour and quality has to be approved by TWAD Board Officers.

Description of Work / Item(s)

Amount

Maintenance of the project for the specified period by necessary maintenance crew with supervisory staff and keeping necessary specials required for replacement at Head works / Booster Station/ Pumping main /Distribution System / Pumpsets etc. readily available to ensure uninterrupted water supply to the beneficiary including all cost towards spares, consumables, chemicals, repairs and renewal excluding cost of electrical energy payable to TNEB during maintenance period which can be got reimbursed by the Employer etc complete and as directed by the TWAD Board officers Free Of Cost

N.SUBRAMANIAN (BID ID -1384003)

SRI SAIRAM BUILDERS (BID ID -1385131)

N.SUBRAMANIAN (BID ID -1384003)

SRI SAIRAM BUILDERS (BID ID -1385131)

N.SUBRAMANIAN (BID ID -1384003)

SRI SAIRAM BUILDERS (BID ID -1385131)

33ABJFS8228G2ZZ (BID ID -1384631)

SRI SAIRAM BUILDERS (BID ID -1385131)

N.SUBRAMANIAN (BID ID -1384003)

SRI SAIRAM BUILDERS (BID ID -1385131)

N.SUBRAMANIAN (BID ID -1384003)

SRI SAIRAM BUILDERS (BID ID -1385131)