IMPROVEMENT TO EXISTING WATER SUPPLY DISTRIBUTION SYSTEM AND BALANCE HOUSE SERVICE CONNECTIONS TO RANIPET MUNICIPALITY

Amount

Supply,delivery of DI K7 S/S tyton joint pipes of 5.0m length for potable water supply as per IS specification no. 8329 /2000 and as amended from time to time with ISI marking of the following sizes and for delivery at site including loading, unloading, freight stacking, conveyance to the work site etc., complete as directed by the Engineer-incharge

Supply, delivery of HDPE Specials As Per IS 1736-1995 including unloading, transportation and stacking charges. Specials for HDPE pipes as per IS 8360/1977/ Part I(Reaffirmed 1992) Part II and III (Reaffirmed 2002). Reaffirmed to IS 4984-2016 conveyance to work site etc., complete as directed by the Engineer in charge.

HDPE Bends -90°

HDPE Equal Tee

110 mm X 110 mm X 110 mm

FLOW CONTROL VALVE: Supply, Installation of DI Flow rate Limit control Valve (PN10/16) with the function to limit the flow rate to a set point. In case the downstream demand increases beyond the set limit, the valve closes down to bring the flow back to set limit. The valve shall have an orifice plate and the orifice diameter is designed based on the set point as per the requirement and installed downstream of the control valve. “Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Flow rate Limit Control valve with cast body of ductile iron grade G-40 or equivalent grade or as per IS 3896-Part-2- 1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent.

Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/IS 1538, all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270. (EP-P)/ WRAS & NSF.”Pilot valve system having Stainless Steel / Brass fittings with spring of stainless steel 304 as per standard parts according to DIN EN 12 266-1, orifice plate shall be as per the set point of flow rate and all the external control tubing of SS 304 / Copper/ reinforced plastic rated PN16, Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self- cleaning filter to avoid possibility of dirt build up inside the control tubing.

DI D/F Gate Valve: Supply,Delivery and fixing of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 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 Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years

Battery Powered Electromagnetic Flowmeter: Operating Pressure : max 10 bar g bar g, Operating Temperature : Max 80 deg C deg C. Electromagnetic Flow Sensor - Type : Pulsed DC, Meter size : Ref BOM, Flow tube : Metallic Alloy, Coil housing : Sheet Steel, Liner : Rilsan, Electrodes : SS316, Grounding type : Rings Grounding ring material : SS316, Process connection : Flanged to DIN PN16, Flanges : CS Flange, Area classification : Non-Hazardous, Cable entry : M20 x 1.5 with blind plug, Protection class : IP 68, Calibration : 3 point Type : Wet. Signal Converter; Cable length : 5 METER , Mounting : Wall Mounting/ Panel Mount, Type : Microprocessor Based, Accuracy : Better than ± 0.5% of measured value, Max load : 500 Ohms, Display : Large back lit LCD Display, Housing : Polycarbonate Housing, Battery : Dual Battery Pack, Cable entry : M20 x 1.5, Area classification : Non-Hazardous, Protection class : IP 66 / 67. Accessories : GSM Modem with Data logging facility and adaptor.

Supply, delivery of Ductile Iron Specials as Per IS 9523/2000 including unloading, transportation and stacking charges for fixing of valves with specials including labour charges for lowering, laying, jointing etc complete as directed by Engineer in Charge

100mm Valve:

For 110 mm Main valves arrangements comprising 100 mm Flow Control Valve, 100 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter upto 35 lps flow with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

100 mm Dia DI Flanged Socket Tail Piece - 2 Nos

100mm Dia DI D/F Pipe - 0.5 m length - 2 Nos

100 m Dia DI D/F Gate Valve - 1 No

100 mm Dia Flow Control Valve 1 No

100 mm Electromagnetic Flow Meter - 1 No

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

100 mm Dia DI pipes and Specials - 1 m

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

100 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

100 mm dia DI pipes and specials - 6 Nos.

Above 110 mm upto 160 mm Main valves arrangements comprising 100 mm Flow Control Valve, 150 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter upto 35 lps flow with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

150 mm Dia DI Flanged Socket Tail Piece - 2 Nos

150mm Dia DI D/F Pipe - 0.5 m length - 2 Nos

150 m Dia DI D/F Gate Valve - 1 No

150 mm X 100 mm Dia DI D/F Taper - 2Nos

100 mm Dia Flow Control Valve 1 No

100 mm Electromagnetic Flow Meter - 1 No

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

150 mm Dia DI pipes and Specials - 1 m

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

150 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

150 mm dia DI pipes and specials - 5 Nos.

100 mm dia DI pipes and specials - 3 Nos.

Above 160 mm upto 200 mm Main valves arrangements comprising 100 mm Flow Control Valve, 200 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter upto 35 lps flow with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

200 mm Dia DI Flanged Socket Tail Piece - 2 Nos

200mm Dia DI D/F Pipe - 0.5 m length - 2 Nos

200 m Dia DI D/F Gate Valve - 1 No

200 mm X 100 mm Dia DI D/F Taper - 2Nos

100 mm Dia Flow Control Valve 1 No

100 mm Electromagnetic Flow Meter - 1 No

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

200 mm Dia DI pipes and Specials - 1 m

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

200 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

200 mm dia DI pipes and specials - 5 Nos.

100 mm dia DI pipes and specials - 3 Nos.

Above 200 mm upto 300 mm Main valves arrangements comprising 100 mm Flow Control Valve, 250 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter upto 35 lps flow with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

250 mm Dia DI Flanged Socket Tail Piece - 2 Nos

250mm Dia DI D/F Pipe - 0.5 m length - 2 Nos

250 m Dia DI D/F Gate Valve - 1 No

250 mm X 150 mm Dia DI D/F Taper - 2Nos

150 mm X 100 mm Dia DI D/F Taper - 2Nos

100 mm Dia Flow Control Valve 1 No

100 mm Electromagnetic Flow Meter - 1 No

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

250 mm Dia DI pipes and Specials - 1 m.

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

250 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

250 mm dia DI pipes and specials - 5 Nos.

150 mm dia DI pipes and specials - 2 Nos.

100 mm dia DI pipes and specials - 3 Nos.

Pressure Relief Valves: Supply and delivery of DI D/F Pressure Sustaining / Relief Valve (PN10/16) with the function to relieve excess pressure in the downstream pressure to set point irrespective of upstream fluctuations. The downstream pressure set point can be changed as per the requirement. “Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Pressure Sustaining / Relief valve with cast body of ductile iron grade GGG-40 or equivalent grade or as per IS 3896-Part-2- 1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. 2 pressure gauges for operator- friendly control to determine the actual inlet and outlet pressure connected directly to the valve. Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/ IS 1538,

all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/ WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270.(EP-P)/ WRAS & NSF.” Pilot valve system having Stainless Steel / Brass fittings with spring of stainless steel 304 as per standard parts according to DIN EN 12 266-1 with all the external control tubing of SS 304/ Copper/ reinforced plastic rated PN16, Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self- cleaning filter to avoid possibility of dirt build up inside the control tubing.

DI D/F Gate Valve: Supply,Delivery and fixing of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 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 Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years

Supply, delivery of Ductile Iron Specials as Per IS 9523/2000 including unloading, transportation and stacking charges for fixing of valves with specials including labour charges for lowering, laying, jointing etc complete as directed by Engineer in Charge

For 110 mm Main valves arrangements comprising 100 mm DI D/F Gate Valve and 100 mm Pressure Relief Valve with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

100 mm Dia DI Flanged Socket Tail Piece - 2 Nos

100 mm Dia DI D/F Pipe - 1 m length - 2 Nos

100 m Dia DI D/F Gate Valve - 1 No

100 mm Pressure Relief Valve - 1 No

100 mm DI D/F D'Foot bend - 1 No

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

100 mm Dia DI pipes and Specials - 2 m

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

100 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

100 mm dia DI pipes and specials - 7 Nos.

For Above 110 mm upto 160 mm valves arrangements comprising 100 mm DI D/F Gate Valve and 100 mm Pressure Relief Valve with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

150 mm Dia DI Flanged Socket Tail Piece - 2 Nos

150 mm Dia DI D/F Pipe - 1 m length - 2 Nos

150 m Dia DI D/F Gate Valve - 1 No

100 mm Pressure Relief Valve - 1 No

100 mm Dia DI D/F Pipe - 1 m length - 1 No

100 mm DI D/F D'Foot bend - 1 No

DI D/F Reducer/Enlarger (150-100) - 2 Nos

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

150 mm Dia DI pipes and Specials - 2 m

100 mm Dia DI pipes and Specials - 1 m

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

150 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

150 mm dia DI pipes and specials - 5 Nos.

100 mm dia DI pipes and specials - 2 Nos.

DI D/F Gate Valve: Supply,Delivery and fixing of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 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 Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years

Supply, delivery of Ductile Iron Specials as Per IS 9523/2000 including unloading, transportation and stacking charges for fixing of valves with specials including labour charges for lowering, laying, jointing etc complete as directed by Engineer in Charge

100 mm DI D/F Gate Valve with specials in 110mm main

80 mm DI D/F Gate Valve with Specials for Scour in 110 mm main

100 x 100 x 80 mm Branch Flanged Scour Tee - 1 No.

80 mm x 1.00 m DI D/F Pipe - 2 Nos

80 mm DI D/F Gate Valve - 1 No

80 mm DI D/F D'Foot bend - 1 No

80 mm DI D/F 90° bend - 1 No

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

80 mm Dia DI pipes and Specials - 2 m

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

80 mm Dia DI pipes and Specials - 8 Nos.

Bulk Meter : Battery Powered Electromagnetic Flowmeter: Operating Pressure : max 10 bar g bar g, Operating Temperature : Max 80 deg C deg C. Electromagnetic Flow Sensor - Type : Pulsed DC, Meter size : Ref BOM, Flow tube : Metallic Alloy, Coil housing : Sheet Steel, Liner : Rilsan, Electrodes : SS316, Grounding type : Rings Grounding ring material : SS316, Process connection : Flanged to DIN PN16, Flanges : CS Flange, Area classification : Non-Hazardous, Cable entry : M20 x 1.5 with blind plug, Protection class : IP 68, Calibration : 3 point Type : Wet. Signal Converter; Cable length : 5 METER , Mounting : Wall Mounting/ Panel Mount, Type : Microprocessor Based, Accuracy : Better than ± 0.5% of measured value, Max load : 500 Ohms, Display : Large back lit LCD Display, Housing : Polycarbonate Housing, Battery : Dual Battery Pack, Cable entry : M20 x 1.5, Area classification : Non-Hazardous, Protection class : IP 66 / 67. Accessories : GSM Modem with Data logging facility and adaptor.

DI D/F Gate Valve: Supply,Delivery and fixing of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 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 Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years

Supply, delivery of Ductile Iron Specials as Per IS 9523/2000 including unloading, transportation and stacking charges for fixing of valves with specials including labour charges for lowering, laying, jointing etc complete as directed by Engineer in Charge

Bulk Meter With Specials at SR Inlet in Feeder Main:

For 150 mm Main valves arrangements comprising 100 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

150 mm Dia DI Flanged Socket Tail Piece - 2 Nos

150 mm Dia DI D/F Pipe - 1 m length - 2 Nos

150 mm x 100 mm Dia DI D/F Taper - 2Nos

100 m Dia DI D/F Gate Valve - 1 No

100 mm DI D/F Electromagnetic Flow Meter - 1 No

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

150 mm Dia DI pipes and Specials - 2 m

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

150 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

150 mm dia DI pipes and specials - 4 Nos.

100 mm dia DI pipes and specials - 3 Nos.

For 200 mm Main valves arrangements comprising 100 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

200 mm Dia DI Flanged Socket Tail Piece - 2 Nos

200 mm Dia DI D/F Pipe - 1 m length - 2 Nos

200 mm X 100 mm Dia DI D/F Taper - 2Nos

100 m Dia DI D/F Gate Valve - 1 No

100 mm DI D/F Flow meter - 1No

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

200 mm Dia DI pipes and Specials - 2 m

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

200 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

200 mm dia DI pipes and specials - 4 Nos.

100 mm dia DI pipes and specials - 3 Nos.

For 250 mm Main valves arrangements comprising 100 mm DI D/F Gate Valve and 100 mm Electromagnetic Flow Meter with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

250 mm Dia DI Flanged Socket Tail Piece - 2 Nos

250 mm Dia DI D/F Pipe - 1 m length - 2 Nos

250 mm X 150 mm Dia DI D/F Taper - 2Nos

150 mm X 100 mm Dia DI D/F Taper - 2Nos

100 m Dia DI D/F Gate Valve - 1 No

100 mm DI D/F Flow meter - 1No

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

250 mm Dia DI pipes and Specials - 2 m

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

250 mm Dia DI Pipes and Specials - 2 Nos.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete. (including cost of jointing materials)

250 mm dia DI pipes and specials - 4 Nos.

150 mm dia DI pipes and specials - 2 Nos.

100 mm dia DI pipes and specials - 3 Nos.

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 for trenchless cutting works in SH/NHAI Roads including transportation, unloading and stacking charges

110 mm HDPE pipe in 219.10 mm x 3.6 mm thick MS Pipe

140mm HDPE pipe in 273 mm x 5 mm thick MS Pipe

160mm HDPE pipe in 273 mm x 6.3 mm thick Pipe

200 mm HDPE pipe in 406.40 mm X5 mm thick MS Pipe

250mm DI D/F pipe in 508 mm x 5.6mm thick MS Pipe

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m in the following classification including otherincidental charges such as barricading etcexcluding refilling in hard stiff clay,stiff blackcotton,hard red earth, shales, murram, gravel, stoneyearth and earth mixed with small size bouldersand hard gravelly soil Exculding BT & CC Road Cutting charges etc., complete as directed by the Engineer in Charges.

HDPE Pipes

DI Pipes

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth complete as directed by the Engineer--in-charge.

HDPE Pipes

DI Pipes

Lowering the following pipes and specials into trench and laying to proper grade and alignment complete as per standard specifications and as directed by the Engineer in Charge.

HDPE Pipes

DI Pipes

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 Engineer in Charge.

Jointing the DI S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants, cost of jointing materials and testing to the required pressure with water etc., complete as per standard specifications and as directed by the Engineer in Charge.

Testing of M.S. / C.I. / D.I / P.V.C. / H.D.P.E / pipes with hydraulic testing equipment by filling with waterand 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.

HDPE Pipes

DI Pipes

Valve Chamber :Construction of masonry valve chamber:

Providing Valve Chamber for Earthwork excavation, Plain Cement Concrete 1:4:8, Brick work in CM 1:5, Plastering with cement mortar (1:3) 12 mm, RCC (M20) Precast Slab of 0.15m thickness, Cut Stone Slab, CI surface box, Refilling, Conveyance of excess earth etc., complete as per standard specifications and as directed by the Engineer in Charge.

Scour Valve and Sluice Valve

Scour Valve Chamber - 1 m x 1.3 m x 1.5 m - Up to 200 mm main

Sluice Valve Chamber - 1.2 m x 1 m x 1.2 m - Up to 110 mm main

Flow Control Valve (FCV +Flowmeter + Sluice Valve)

1.2 m x 0.9 m x 1.1 m - Up to 110 mm main

2 m x 1.2 m x 1.2 m - Up to 160 mm main

2.9 m x 1.3 m x 1.5 m - Up to 300 mm main

Bulk Meter- SR Inlet (Flowmeter + Sluice Valve)

1.2 m x 1 m x 1.2 m - Up to 200 mm main

1.4 m x 1.2 m x 1.4 m - Up to 350 mm main

Pressure Relief Valve (PRV + Sluice Valve)

1.2 m x 1 m x 1.2 m - Up to 110 mm main

1.6 m x 1.1 m x 1.4 m - Up to 200 mm main

Disposal of surplus earth including loading & unloading, conveyance within a distance of 5 Km and spreading as directed by the Engineer in Charge. For Pipe Quantity and Road Restoration

Labour charges for cutting open roads in BT / WBM for laying of water supply pipe line measurement.

Trenchless cutting works in SH / NHAI road crossings as directed by Engineer in Charges. Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), upto 5m depth in all soil including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 20 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe. Lowering the following size of MS encasing pipe by using Contractor’s crane and machineries and jointing MS pipes by welding, across the National Highways/State Highways/ Railways/Canal crossing etc and driving the horizontal bore by pushing / jacking method (trenchless technology method) using contractor’s machineries such as cranes, jacks, jacking materials, generator, welding machineries, compressor, jack hammer and other equipments etc. without interfering and causing any hindrance to the movement of traffic or any other vehicles, without any disturbances to the railway/road/canal formation etc. including bailing /

pumping of water where ever necessary without affecting any installation like water supply pipeline/telephone cable, electric cables etc. passing nearby area and scooping the earth inside the pipes and pit and depositing the surplus earth in a convenient place and leveling the site after completion of entire work as directed by TWAD Engineers. The rate includes the cost of driving pit, thrust bed/wall and receiving pit to the depth of om to 5m excluding the cost of MS pipes.

110 mm HDPE pipe in 219.10 mm x 3.6 mm thick MS Pipe

140mm HDPE pipe in 273 mm x 5 mm thick MS Pipe

160mm HDPE pipe in 273 mm x 6.3 mm thick Pipe

200 mm HDPE pipe in 406.40 mm X5 mm thick MS Pipe

250mm DI D/F pipe in 508 mm x 5.6mm thick MS Pipe

BARRICADING FOR PIPELINE WORKS FOR THE WSS WORK: Barricading work for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal 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 excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by the engineer in charge.

Length of barricading (Less Traffic)

Instrumentation

Supply, delivery and fixing of enameled water level indicator of approved design and pattern (graduation in metric system) with required all accessories as directed by Departmental Officers.

Schedule - A2 - House Service Connection

Providing House Service Connection for Labour for cutting BT Road, earthwork excavation, Refilling, Electrofusion tapping saddle PE 80 blue, Brass Ferrule, Poly Propylene compression Male Threaded Adaptor, Poly propylene 90 Degree Compression elbow, Propylene compression Female Threaded Adaptor, MDPE PE 80 Blue pipe, U PVC ball valve, Water Meter Production box, Multi Jet water meter, GI pipes for encasing, Ferrules Fixing etc., complete and as directed by the engineer in charge.

House Service Connection

Schedule - A3 - Road Restoration

P.C.C 1:4:8 (one cement, four sand and Eight coarse aggregate) using Ordinary Portland cement and 40 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the Engineer in Charge.

P.C.C 1:2:4 (one cement, two sand and four coarse aggregate) using Ordinary Portland cement and 20 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the Engineer in Charge.

Schedule - A4 - Feeder Main

Supply,delivery of DI K9 S/S tyton joint pipes of 5.0m length for potable water supply as per IS specification no. 8329 /2000 and as amended from time to time with ISI marking of the following sizes and for delivery at site including all taxes, duties, loading, unloading, freight stacking and as directed by Engineer-in- charge.

150 mm DI K9 CL

200 mm DI K9 CL

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated softsealing gate valves (sluice valves) with body bonnet of ductile cast iron of gradeGGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindlenut, without gland packing and with 3 O-Ring protection on the shaft and seals ofNBR and the valves should be of vaccum tight and 100% leak proof with face toface dimentions as EPR BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocketless straight thro' body passage. All the valves are to be compatible for burriedapplication with pressure rating PN 10/16 and Supply, delivery of Ductile Iron Specials as Per IS 9523/2000 including unloading, transportation and stacking charges for fixing of valves with specials including labour charges for lowering, laying, jointing etc complete as directed by Engineer in Charge

DI D/F Gate Valves with Specials

250 mm DI D/F Gate Valve PN 16 in 250mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

300 mm DI D/F Gate Valve PN 16 in 300mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

DI D/F Gate Valves with Specials For Scour Valves

100 mm DI D/F Gate valve for Scour in 200 mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

200 mm DI D/F Gate Valve for Scour in 300 mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below

Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade 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 including unloading, transportation and stacking charges. and Supply, delivery of Ductile Iron Specials as Per IS 9523/2000 including unloading, transportation and stacking charges for fixing of valves with specials including labour charges for lowering, laying, jointing etc complete as directed by Engineer in Charge

DI Single Chamber Air Release Valve with Specials

50 mm DI Single Chamber Air Release Valve with specials in 150 mm DI main

50 mm DI Single Chamber Air Release Valve with specials in 200 mm DI main

80 mm DI Single Chamber Air Release Valve with specials in 250 mm DI main

80 mm DI Single Chamber Air Release Valve with specials in 300 mm DI main

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m inthe following classification including otherincidental charges such as 'barricading etc excluding refilling in hard stiff clay, stiff blackcotton, hard red earth,shales,murram,gravel,stoneyearth and 'earth mixed with small size bouldersand hard gravelly soil for laying of follwing sizes of pipes and as directed by Engineer-in-charge.

150 mm DI K9 CL

200 mm DI K9 CL

250 mm DI K9 CL

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing anddepositing the surplus earth at the places shown and as directed by Engineer-in-charge.

150 mm DI K9 CL

200 mm DI K9 CL

250 mm DI K9 CL

Lowering DI pipes to trench and laying to proper grade and alignment etc., complete and as directed by Engineer-in-charge.

150 mm DI K9 CL

200 mm DI K9 CL

250 mm DI K9 CL

Jointing the DI pipes and specials with rubber gaskets ( tyton joint ) including cost of lubricants testing to the required pressure with water ( including cost of jointing materails ) etc., complete and as directed by Engineer-in- charge.

150 mm DI K9 CL

200 mm DI K9 CL

250 mm DI K9 CL

Testing of M.S. / D.I pipes with hydraulic testing equipment by filling with water (includin cost of water @ Rs. 60/KL ) and testing to recommended pressure in convenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidential and operational charges etc., complete for the following diametres of pipes and as directed by Engineer-in-charge.

150 mm DI K9 CL

200 mm DI K9 CL

250 mm DI K9 CL

Valve Chamber :Construction of masonry valve chamber:

Providing Valve Chamber for Earthwork excavation, Plain Cement Concrete 1:4:8, Brick work in CM 1:5, Plastering with cement mortar (1:3) 12 mm, RCC (M20) Precast Slab of 0.15m thickness, Cut Stone Slab, CI surface box, Refilling, Conveyance of excess earth etc., complete as per standard specifications and as directed by the Engineer in Charge.

Sluice Valve / Gate Valve Chamber

250 mm DI D/F Gate Valve PN 16 in 250mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.8 m x 1.2 m x 1.6 m

300 mm DI D/F Gate Valve PN 16 in 300mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.8 m x 1.2 m x 1.6 m

Scour Valve Chamber:

100 mm DI D/F Gate valve for Scour in 150 mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.6 m x 1.1 m x 1.4 m

100 mm DI D/F Gate valve for Scour in 200 mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.6 m x 1.1 m x 1.4 m

200 mm DI D/F Gate Valve for Scour in 300 mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.8 m x 1.2 m x 1.6 m

Single Chamber Air Valve Chamber

50 mm DI Single chamber Air release valve in 150 mm DI main with fixing of DI Specials as per IS 9523/2000 and GI Specials as per IS 1239/ Part II including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.6 m x 1.1 m x 1.4 m

50 mm DI Single chamber Air release valve in 200 mm DI main with fixing of DI Specials as per IS 9523/2000 and GI Specials as per IS 1239/ Part II including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.6 m x 1.1 m x 1.4 m

80 mm DI Single chamber Air release valve in 300 mm DI main with fixing of DI Specials as per IS 9523/2000 including loading, transportation and Stacking Charges as per the following sizes as per the drawing, details of valves and specials as below of Chamber Size 1.8 m x 1.2 m x 1.6 m

Labour charges for cutting open roads in BT / WBM for laying of water supply pipe line after deducting cost of earth work in linear measurement and as directed by Engineer-in- charge

Providing and laying base concrete for road restoration using Plain Cement Concrete 1:4:8 (40 mm HBG metal) including consolidation and leveling etc as per standard specifications (Upto 1.5 m below ground level)

Providing and laying base concrete for road restoration using Plain Cement Concrete 1:2:4 (using 20 mm HBG metal) including consolidation and leveling etc as per standard specifications (Upto 1.5 m below ground level)

BARRICADING FOR PIPELINE WORKS FOR THE WSS WORKS 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 horizontal 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 excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by Engineer-in- charge.

VSS AND CONSTRUCTION (BID ID -1434538)