providing underground sewerage system to left out areas in virudhunagar municipality

200 mm Dia - DWC

250 mm Dia - DWC

300 mm Dia - DWC

150mm Dia - CI LA Class

200 mm Dia - CI - LA Class

250 mm Dia - CI - LA Class

300 mm Dia - CI - LA Class

350 mm Dia - CI - LA Class

400 mm Dia - CI - LA Class

450 mm Dia - CI - LA Class

500 mm Dia - CI - LA Class

600 mm Dia - CI - LA Class

700 mm Dia - CI - LA Class

80 to 200mm Standard Specials

For HSC - Pipeline from Machinehole to Property Boundary - Domestic Connection - 110mm

For HSC - Pipeline from Machinehole to Property Boundary - Non Domestic Connection - 160mm

For HSC - Pipeline from Chamber to Property Boundary - Domestic Connection - 110mm

HSC within the Property Boundary for Machinehole - 3 m Length - Internal Plumbing with 2 Inspection Chamber (Domestic Connection) Inspection Chambers (0.6x0.6x0.6)

HSC within the Property Boundary for Machinehole - 3 m Length - Internal Plumbing with 2 Inspection Cha Inspection Chambers (0.6x0.6x0.6)mber (Non Domestic Connection)

HSC within the Property Boundary for Chamber - Internal Plumbing with 1 Inspection Chamber (Domestic Connection) Inspection Chambers (0.45x0.45x0.45)

Bedding uisng stone dust screened not more than 2 mm clean, uncoated and free from injurious amount of dust, soft particles, organic matter, loam or other deleterious substances, properly compacted in 10 cm thick as per the standard specifications as directed by the Departmental Engineer.

0m to 2.0m for 200 mm Dia - DWC

2.0m to 4.0m for 200 mm Dia - DWC

0m to 2.0m for 250 mm Dia - DWC

2.0m to 4.0m for 250 mm Dia - DWC

0m to 2.0m for 300mm Dia - DWC

2.0m to 4.0m for 300mm Dia - DWC

150mm Dia - CI LA Class

0.0m to 2.0m for 200mm Dia - CI

2.0m to 4.0m for 200mm Dia - CI

2.0m to 4.0m for 250mm Dia - CI

4.0m to 6.0m for 250mm Dia - CI

2.0m to 4.0m for 300mm Dia - CI

4.0m to 6.0m for 300mm Dia - CI

0m to 2.0m for 350mm Dia - CI

2.0m to 4.0m for 350mm Dia - CI

4.0m to 6.0m for 350mm Dia - CI

2.0m to 4.0m for 400mm Dia - CI

4.0m to 6.0m for 400mm Dia - CI

0m to 2.0m for 400mm Dia - CI

2.0m to 4.0m for 400mm Dia - CI

0m to 2.0m for 500mm Dia - CI

2.0m to 4.0m for 500mm Dia - CI

4.0m to 6.0m for 500mm Dia - CI

0m to 2.0m for 600mm Dia - CI

2.0m to 4.0m for 600mm Dia - CI

4.0m to 6.0m for 600mm Dia - CI

0m to 2.0m for 700mm Dia - CI

2.0m to 4.0m for 700mm Dia - CI

4.0m to 6.0m for 700mm Dia - CI

0m to 2.0m for 200 mm Dia - SW

2.0m to 2.5m for 200 mm Dia - SW

2.5m to 3.0m for 200 mm Dia - SW

0m to 2.0m for 250 mm Dia - SW

2.0m to 2.5m for 250 mm Dia - SW

2.5m to 3.0m for 250 mm Dia - SW

0m to 2.0m for 200 mm Dia - DWC

2.0m to 4.0m for 200 mm Dia - DWC

0m to 2.0m for 250 mm Dia - DWC

2.0m to 4.0m for 250 mm Dia - DWC

0m to 2.0m for 300 mm Dia - DWC

2.0m to 4.0m for 300 mm Dia - DWC

150mm Dia - CI LA Class

0.0m to 2.0m for 200 mm Dia - DWC

2.0m to 4.0m for 200 mm Dia - DWC

2.0m to 4.0m for 250 mm Dia - CI

4.0m to 6.0m for 250 mm Dia - CI

2.0m to 4.0m for 300 mm Dia - CI

4.0m to 6.0m for 300 mm Dia - CI

0m to 2.0m for 300 mm Dia - CI

2.0m to 4.0m for 300 mm Dia - CI

4.0m to 6.0m for 300 mm Dia - CI

2.0m to 4.0m for 400 mm Dia - CI

4.0m to 6.0m for 400 mm Dia - CI

0m to 2.0m for 450 mm Dia - CI

2.0m to 4.0m for 450 mm Dia - CI

0m to 2.0m for 500 mm Dia - CI

2.0m to 4.0m for 500 mm Dia - CI

4.0m to 6.0m for 500 mm Dia - CI

0m to 2.0m for 600 mm Dia - CI

2.0m to 4.0m for 600 mm Dia - CI

4.0m to 6.0m for 600 mm Dia - CI

0m to 2.0m for 700 mm Dia - CI

2.0m to 4.0m for 700 mm Dia - CI

4.0m to 6.0m for 700 mm Dia - CI

Refilling the trenches with suitable excavated earth available in layers of 150 mm thick, watering, ramming & consolidation complete as directed by the Departmental Engineer.

Conveyance of excess earth to a distance not exceeding 5km as directed by the Departmental Engineer including cost of loading, transportation and unloading charges etc complete (Total Earthwork Quantity - Refilling Quantity).

Below G.L Upto 1.50m Depth

Below G.L 1.50-4.50m

Below GL 4.50 to 9.00 m Depth

Below GL upto 1.50 m Depth

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 TWAD Board officers.

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 using 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 directed by TWAD Board officers.

Labour charges for cutting open roads in B.T. Roads (or) Maccadam road for laying of water supply or sewer pipe line after deducting cost of earth work in linear measurement and as directed by Engineer-in-charge.

Labour charges for cutting open roads in Concrete Roads for laying of water supply or sewer pipe line after deducting cost of earth work in linear measurement and as directed by Engineer-in-charge.

Earth work excavation forwater supply and sewerage works in the following types of soil strata in Sand, silt or other loose soil, Wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil & hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size of boulders as per Linear Measurement directed by departmental officers.

Refilling the trenches with suitable excavated earth available in layers of 150 mm thick, watering, ramming & consolidation complete as per Linear Measurement directed by departmental officers.

Below Ground Level Upto 1.50M

Below GL 1.5-4.5 M DEPTH

Below GL BEYOND 4.5M DEPTH to 9m Depth

Above GL 0 to 4.50 m depth

Plain Surface-0.0 m to 3.30 m

Curved Surface -0.0 m to 3.30 m

Curved Surface -3.30 m to 4.30 m

Curved Surface-4.30 m to 5.30 m

Curved Surface-5.30 m to 6.30 m

Curved Surface-6.30 m to 7.30 m

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.

Supplying and fixing of PVC encapsulated CI steps as directed by the Engineer.

1.5 x 0.01 x 0.25 - 3 m width 25 mm spacing

Supply and delivery of following sizes of FRC Manhole Covers / Frames (Extra Heavy duty) to stores on as per IS 12592:2002 to its latest revision with reinforcement details for covers and frames. 600mm dia FRC manhole frame to have clear opening of 600mm dia to suit 600mm dia FRC Cover

Valve Chamber Size - 2.1m x 1.6m x 1.1m

1.00m x 1.00m x 1.10m

Diversion of Flow for Replaced Machinehole using 3 HP - For Single Work - 100 m Length Hire Charges using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete 3 HP

Diversion of Flow for Replaced Machinehole using 5 HP - For Single Work - 100 m Length Hire Charges using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete 5 HP

Diversion of Flow for Replaced Machinehole using 7.5 HP - For Single Work - 100 m Length Hire Charges using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete 7.5 HP

Supply and Delivery of HDPE Pipes for Sewerage PE 100 PN6 confirming to IS:14333/1996 (amended in 2009) complete as per standard specifications and as directed by Departmental Officers. 125 mm HDPE Pipe (20 Uses)

Rising of 450 Manholes Labour Charges for Cutting of BT Roads Earth work excavation for water supply and sewerage works in the following types of soil strata in Sand, silt or other loose soil, Wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil & hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size of boulders as directed by departmental officers. Providing and laying base concrete in foundation using Plain Cement Concrete 1:2:4 (using 20 mm HBG) including consolidation etc as directed by the Engineer. Supplying & erecting centering for sides & walls of well including supports & strutting for plain surfaces with all cross bracings using 25 mm thick boards suitable purlined over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90 cm centre to centre & supported by causarina props 10 to 13 cm diameter spaced at about 75 cm centre to centre etc. complete complying with standard specifications. Centering for RCC works below GL (wall). Supply and delivery of following sizes of FRC Manhole Covers / Frames (Extra Heavy duty) to stores on as per IS 12592:2002 to its latest revision with reinforcement details for covers and frames. 600mm dia FRC manhole frame to have clear opening of 600mm dia to suit 600mm dia FRC Cover

Desilting of Existing Machinehole - 500 Barrication and watch and ward including danger light Accessories like safety belt gas, Mask, Bucket and nylon rope etc complete. Disposal of surplus earth including loading & unloading, conveyance within a distance of 5 Km and spreading as directed by the Engineer in Charge. For Rectangular Machinehole - 250 No. For Circular Machinehole - 100 No. For Circular Machinehole - 100 No. For Circular Machinehole - 50 No.

E.LS-01 - 66 lpm x 15 m Head - 5 HP- (1W+1S) - 2 No.

E.LS-02 - 648 lpm x 17 m Head - 5 HP- (1W+1S) - 2 No.

E.LS-03 - 96 lpm x 13 m Head - 5 HP- (1W+1S) - 2 No.

E.LS-04 - 246 lpm x 15 m Head - 5 HP- (1W+1S) - 2 No.

E.LS-05 - 120 lpm x 15 m Head - 5 HP- (1W+1S) - 2 No.

E.LS-06 - 222 lpm x 20 m Head - 5 HP- (1W+1S) - 2 No.

P.LS-07 - 234 lpm x 16 m Head - 5 HP- (1W+1S) - 2 No.

P.LS-08 - 72 lpm x 16 m Head - 5 HP- (1W+1S) - 2 No.

P.LS-09 - 66 lpm x 16 m Head - 5 HP- (1W+1S) - 2 No.

P.LS-010 - 72 lpm x 14 m Head - 5 HP- (1W+1S) - 2 No.

P.LS-011 - 36 lpm x 13 m Head - 5 HP- (1W+1S) - 2 No.

P.LS-12 - 36 lpm x 12 m Head - 5 HP- (1W+1S) - 2 No.

E.PS - 01. 5542 lpm x 25 m Head - 45 HP- (1W+1S) - 2 No.

E.PS - 02 2195 lpm x 22 m Head - 10 HP- (1W+1S) - 2 No.

Grit Pump - 7.5 hp - 111.15 m3/hr - 12 m head

DOL STARTER WITH SINGLE PHASING PREVENTOR WITH ANALOG AMMETER AND VOLTMETER CONFORMING TO IS 13947, IEC 60947- 1 WITH AUTO RESTART FACILITY FOR PUMP HOUSES WHERE PANEL BOARDS ARE AVAILABLE

E.PS - 01. 5542 lpm x 25 m Head - 45 HP- (1W+1S) - 2 No.

E.PS - 02 2195 lpm x 22 m Head - 10 HP- (1W+1S) - 2 No.

Grit Pump - 7.5 hp - 111.15 m3/hr - 12 m head

Upto 5 HP

Above 5.00 HP to 10.00 HP

Above 40.00 HP to 50.00 HP

Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrangements and labour charges etc.,

LT/LTCT METERING BOX as per IE rules and TANGEDCO norms Up to 50HP/37 KW (which includes LT meter panel board, 6 Nos. suitable fuse carriers.

P.LS-07 - 234 lpm x 16 m Head - 5 HP- (1W+1S) - 2 No. SUCTION SIDE 100 mm CI D/F PIPE 2750 LONG Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F PIPE 630 mm LONG Non-Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F 90⁰ BEND - 2 No. 100 mm CI D/F PIPE 1000 mm LONG Standard Pipe for Cut Pipe - 3 No. 100 mm to 80 mm CI D/F Reducer - 2 No. 100mm C.I D/F Joint - 9 No. DELIVERY SIDE 80 mm CI D/F NON RETURN VALVE - 2 No. 80 mm CI D/F SLUICE VALVE - 2 No. 80 mm to 150 mm CI D/F Enlarger - 2 No. 150 mm CI D/F 90⁰ BEND - 1 No. 150 mm CI D/F PIPE 300 mm LONG Non-Standard Pipe for Cut Pipe - 1 No. 150 mm CI D/F EQUAL TEE - 1 No. 80mm C.I D/F Joint - 6 No. 150mm C.I D/F Joint - 3 No.

P.LS-08 - 72 lpm x 16 m Head - 5 HP- (1W+1S) - 2 No. SUCTION SIDE 100 mm CI D/F PIPE 2750 LONG Standard Pipe for Column Pipe - 2 No. 100 mm CI D/F PIPE 320 mm LONG Non-Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F 90⁰ BEND - 2 No. 100 mm CI D/F PIPE 1000 mm LONG Standard Pipe for Cut Pipe - 4 No. 100 mm to 80 mm CI D/F Reducer - 2 No. 100mm C.I D/F Joint - 11 No. DELIVERY SIDE 80 mm CI D/F NON RETURN VALVE - 2 No. 80 mm CI D/F SLUICE VALVE - 2 No. 80 mm to 150 mm CI D/F Enlarger - 2 No. 150 mm CI D/F 90⁰ BEND - 1 No. 150 mm CI D/F PIPE 300 mm LONG Non-Standard Pipe for Cut Pipe - 1 No. 150 mm CI D/F EQUAL TEE - 1 No. 80mm C.I D/F Joint - 6 No. 150mm C.I D/F Joint - 3 No.

P.LS-09 - 66 lpm x 16 m Head - 5 HP- (1W+1S) - 2 No. SUCTION SIDE 100 mm CI D/F PIPE 2750 LONG Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F PIPE 470 mm LONG Non-Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F 90⁰ BEND - 2 No. 100 mm CI D/F PIPE 1000 mm LONG Standard Pipe for Cut Pipe - 4 No. 100 mm to 80 mm CI D/F Reducer - 2 No. 100mm C.I D/F Joint - 10 No. DELIVERY SIDE 80 mm CI D/F NON RETURN VALVE - 2 No. 80 mm CI D/F SLUICE VALVE - 2 No. 80 mm to 150 mm CI D/F Enlarger - 2 No. 150 mm CI D/F 90⁰ BEND - 1 No. 150 mm CI D/F PIPE 300 mm LONG Non-Standard Pipe for Cut Pipe - 1 No. 150 mm CI D/F EQUAL TEE - 1 No. 80mm C.I D/F Joint - 6 No. 150mm C.I D/F Joint - 3 No.

P.LS-010 - 72 lpm x 14 m Head - 5 HP- (1W+1S) - 2 No. 100 mm CI D/F PIPE 1000 mm LONG Standard Pipe for Cut Pipe - 2 No. 150 mm CI D/F 90⁰ BEND - 1 No. 150mm C.I D/F Joint - 3 No. SUCTION SIDE 100 mm CI D/F PIPE 2750 LONG Standard Pipe for Column Pipe - 2 No. 100 mm CI D/F PIPE 0 mm LONG Non-Standard Pipe for Column Pipe 100 mm CI D/F 90⁰ BEND - 2 No. 100 mm to 80 mm CI D/F Reducer - 2 No. 100mm C.I D/F Joint - 9 No. DELIVERY SIDE 80 mm CI D/F NON RETURN VALVE - 2 No. 80 mm CI D/F SLUICE VALVE - 2 No. 80 mm to 150 mm CI D/F Enlarger - 2 No. 150 mm CI D/F PIPE 300 mm LONG Non-Standard Pipe for Cut Pipe - 1 No. 150 mm CI D/F EQUAL TEE - 1 No. 80mm C.I D/F Joint - 6 No.150mm C.I D/F Joint - 3 No.

P.LS-011 - 36 lpm x 13 m Head - 5 HP- (1W+1S) - 2 No. SUCTION SIDE 100 mm CI D/F PIPE 2750 LONG Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F PIPE 250 mm LONG Non-Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F 90⁰ BEND - 2 No. 100 mm CI D/F PIPE 1000 mm LONG Standard Pipe for Cut Pipe - 4 No. 100 mm to 80 mm CI D/F Reducer - 2 No. 100mm C.I D/F Joint - 10 No. DELIVERY SIDE 80 mm CI D/F NON RETURN VALVE - 2 No. 80 mm CI D/F SLUICE VALVE - 2 No. 80 mm to 150 mm CI D/F Enlarger - 2 No. 150 mm CI D/F 90⁰ BEND - 1 No. 150 mm CI D/F PIPE 300 mm LONG Non-Standard Pipe for Cut Pipe - 1 No. 150 mm CI D/F EQUAL TEE - 1 No. 80mm C.I D/F Joint - 6 No. 150mm C.I D/F Joint - 3 No.

P.LS-12 - 36 lpm x 12 m Head - 5 HP- (1W+1S) - 2 No. SUCTION SIDE SUCTION SIDE 100 mm CI D/F PIPE 2750 LONG Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F PIPE 410 mm LONG Non-Standard Pipe for Column Pipe - 1 No. 100 mm CI D/F 90⁰ BEND - 2 No. 100 mm CI D/F PIPE 1000 mm LONG Standard Pipe for Cut Pipe - 3 No. 100 mm to 80 mm CI D/F Reducer - 2 No. 100mm C.I D/F Joint - 9 No. DELIVERY SIDE 80 mm CI D/F NON RETURN VALVE - 2 No. 80 mm CI D/F SLUICE V

Hacksaw Frame with Blade

Electrical Air Blower

Digital Tachometer

Hand Crimpling Tool 8”

DE Spanner set 6 to 32 Jhalani Make

Rings spanner set 6 to 32 Jhalani Make

Pipe Wrench 24” Jhalani Make

Pipe Wrench 14” Jhalani Make

12” Flat rough File Scissors Make

8”Chain Wrench Best India Make

Digital Tong Tester CE Make

Supplying at site Fire Extinguisher Co2, 4.5 kg. confirming to TAC Norms

Supplying and fixing at site Fire Extinguisher Co2, 4.5 kg. confirming to TAC Norms

Supply and fixing ofShock Treatment Chart fixed in glass frame

Supplying and fixing at site ofMetallic Danger Board as required by the Electrical Authorities

Supplying at siteRubber hand gloves

Supplying at siteFirst Aid Box complete with all First Aid Medicines

AC Chargeable Emergency Lamp 2 x 11W PL Lamp with all connected accessories

3 core 2.5 sq.mm

3 core 2.5 sq.mm

3 core 2.5 sq.mm

Supply, Installation, Commissioning and Testing of Mechanical Coarse Screen Assembly 1 No. channel size 1000 mm x 400 mm Screen size with an inclined bar rack of 70° inclination and 25 mm clear openings includes side guides and bottom seal of SS304 Grade as per IS 6280:1971 with 1.1 KW motor TEFC IP55/65 with torque limiter complete complying with standard specification and as directed by the departmental officers.

Supply, Installation, Commissioning and Testing of Belt conveyor for Coarse Screen 3500mm x 900mm (L x B) of SS304 Grade inclined belt conveyor-Drip Tray Model with 1.5 KW motor TEFC IP55/65 with torque limiter, Local Control Panel complete complying with standard specification and as directed by the departmental officers.

Supply, Installation, Commissioning and Testing of Mechanical Fine Screen Assembly 1 No. channel size 1000 mm x 400 mm Screen size with an inclined bar rack of 70° inclination and 6 mm clear openings includes side guides and bottom seal of SS304 Grade as per IS 6280:1971 with 1.1 KW motor TEFC IP55/65 with torque limiter, Local Control Panel, Level Instruments complete complying with standard specification and as directed by the departmental officers.

Supply, Installation, Commissioning and Testing of Belt conveyor for Fine Screen 3500mm x 900mm (L x B) of SS304 Grade inclined belt conveyor-Drip Tray Model with 1.5 KW motor TEFC IP55/65 with torque limiter, Local Control Panel complete complying with standard specification and as directed by the departmental officers.

Primary Clarifier: Supply, Installation, Commissioning and Testing of Replacement and supply, delivery and Commissioning of 1.0 hp motor Reduction Gear box etc,complete. (FlangelEC standard flange or customized dimensions Material Aluminum & Cast iron Size 11 sizes (WMRV25-WMRV185) Power 0.06-22 KW Nominal torque≤2548 N.m Ratio 5~100),Cast Iron Over Driven Worm Gearboxes etc., complete (.RV - Sizes: 030-040-050-063-075-105-110-130-150 Input Options: with input shaft, With Square flange, With Input Flange Input Power 0.06 to 11 kW RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron Ratios between 5 and 100 Max torque 1550 N.m and admissible output radial loads max 8771 N Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity complete complying with standard specification and as directed by the departmental officers.

Supply,delivery and Installation of Blower Mechanism components in Bio Aeration Tank - 18.5 Kw - 25 HP 1.TWIN LOBE BLOWER 76 A specifies 200–250 m³/hr, 0.5–0.7 kg/cm² 2.MOTOR SLIDE RAIL 1 SFT specifies MS/SS adjustable 3.MOTOR PULLEY of steel balanced 4.BLOWER PULLEY of steel balanced 5.SAFETY VALVE (SPRING LOADED) SS304/CI, 4" size 6.100 NE NON-RETURN VALVE - Stainless Steel 7.PRESSURE GAUGE WITH ISOLATION VALVE & SYPHON of 0–2 kg/cm², SS fittings

CI Sluice Gate in Open Channel: Supply and delivery of CI Sluice gate of Single Face (Class-I) - 1000 x 1000mm thimble‑mounted manual with operating pedestal, SS Hardware and Premium Epoxy with installation/grouting and alignment complete as directed by Departmental Officers.

Organic Pump Supply, delivery, installation and erection of Submersible Centrifugal Pump of SS304 casing, SS shaft, mechanical seal of 0.50 HP/ 0.37 KW/ 3‑phase/ 415 V/ 50 Hz with IP55 motor and Class F insulation, complete as directed by Departmental Officers.

Clasifier Pump Supply, delivery, installation and erection of Submersible Centrifugal Pump of SS304 casing, SS shaft, mechanical seal of 1 HP/ 0.75 KW/ 3‑phase/ 415 V/ 50 Hz with IP55 motor and Class F insulation, complete as directed by Departmental Officers.

Centrifuge Feed Pump: Supply, delivery, installation and erection of Submersible Centrifugal Pump - 0.75 kW 1 HP, 415 V, 3‑phase, 50 Hz with SS casing, SS shaft, mechanical seal material and protection of IP55/IP65, Class F insulation with Control Panel complete as directed by Departmental Officers.

Centrifuge Motor: Supply, delivery, installation and erection of Main drive motor - Decanter Centrifuge Motor - 3.7 kW (~5 HP), 415 V, 3‑phase, 50 Hz, speed 1,500–3,000 rpm (controlled via VFD depending on centrifuge bowl speed) of protection IP55/IP65, Class F insulation for the centrifuge bowl, with IE3 efficiency class and type of Three‑phase induction motor, Totally Enclosed Fan Cooled (TEFC) complete as directed by Departmental Officers.

Sludge Digester: (Feed Pump) Supply, delivery, installation and erection of Progressive Cavity Pump - 3.7 kW (~5 HP), 415 V, 3‑phase, 50 Hz of protection IP55/IP65, Class F insulation, IE3 efficiency, Rotor: SS304 Grade, Stator: Nitrile rubber (abrasion resistant), Housing: SS304 Grade, Shaft: SS304 with mechanical seal complete with necessary ca as directed by Departmental Officers.

Sludge Digester: (Recirculation Pump) Supply, delivery, installation and erection of Progressive Cavity Pump - 1.5 kW (~2 HP), 415 V, 3‑phase, 50 Hz with VFD of protection IP55/IP65, Class F insulation, IE3 efficiency, Rotor: SS304 Grade, Stator: Nitrile rubber (abrasion resistant), Housing: SS304 Grade, Shaft: SS304 with mechanical seal complete with necessary ca as directed by Departmental Officers.

Centrifuge Motor with Pump: Supply, delivery, installation and erection of Main drive motor - Centrifuge Motor - 3.7 kW (~5 HP), 415 V, 3‑phase, 50 Hz of protection IP55/IP65, Class F insulation for the centrifuge bowl, Centrifuge Pump (Submersible centrifugal Pump) - Scroll drive motor (0.75 kW) with SS304 Grade material for differential speed complete as directed by Departmental Officers.

Sludge Thickener: Supply, delivery, installation and erection of Center driven gravity thickener mechanism as per IS:2062 steel, base plate with epoxy grout; alignment shims (1.5 kW/1 HP, epoxy MS wetted parts) and Feedwell drum assembly (drum, baffles, supports) of 1.5 kW/1 HP, 415 V, 3‑phase, 50 Hz, TEFC, IP55/IP65, Class F insulation; S4 intermittent duty, speed 2–6 RPH output; integral torque limiter and Local Control Panel complete as directed by Departmental Officers.

Supply,delivery, Laying and Jointing of UG cable 2.5 sqm 3 core, complete as directed by Departmental Officers.

Supply,delivery, Laying and Jointing of UG cable 2.5 sqm 4 core, complete as directed by Departmental Officers.

Supply,delivery, Laying and Jointing of UG cable 4 sqm 4 core, complete as directed by Departmental Officers.

Paintings of Anti Rust paint in Existing GI/CI/Steel Pipes, Cable Tray etc, complete as per standard specifications and as directed by Departmental Officers.

Supply, Erection and Commissioning of Single girder EOT crane (Electric Operated) with rated load capacity: - 3 Ton with span ranges from 6–12 m, lift height ranges from 6–9 m and Hoist motor: 3.1 kW, squirrel cage induction motor with brake, complete as directed by Departmental Officers.

Supply,delivery and installation of APFC (Automatic Power Factor Correction) panel - 120 kvar capacity (expandable in steps), Capacitor banks:- APP/MPP type, heavy‑duty, low‑loss (<0.5 W/kVAR), Detuned reactors (5.67% or 7% tuning) to suppress harmonics complete as directed by Departmental Officers.

Supply,delivery and installation of pH meter - Benchtop meter with multi point calibration, ±0.01–0.02 accuracy, ATC, data logging, complete as directed by Departmental Officers.

Supply,delivery and installation of Portable conductivity meter ranges from 0–20,000 µS/cm (expandable to 200 mS/cm for industrial effluent) with accuracy ±1% of reading complete as directed by Departmental Officers.

Supply,delivery and installation of BOD Incubator with Stainless steel (SS304) chamber capacity - 200 litres (holding 90 bottles (250 ml each)), complete as directed by Departmental Officers.

Supply,delivery and installation of Hot Air Oven with Stainless steel (SS304) chamber capacity with removable SS trays - 90 litres, holding a temperature upto 300 °C complete as directed by Departmental Officers.

Supply,delivery and installation of Water Bath with Stainless steel (SS304) chamber capacity - 12-hole water bath, holding a temperature upto 95 °C complete as directed by Departmental Officers.

Supply,delivery and installation of Digital hot plate of size 200 mm x 200 mm with Digital PID controller or analog knob; ±2 °C accuracy, complete as directed by Departmental Officers.

Supply,delivery and installation of Electronic Precision balance (3 kg) with acuuracy of 0.01 g – 0.001 g, complete as directed by Departmental Officers.

Supply,delivery and installation of Digital Magnetic Stirrer with capacity of 2 L feauturing Digital RPM control, complete as directed by Departmental Officers.

Supply,delivery and installation of COD apparatus with Advanced digital COD block (with auto timer, RS485), complete as directed by Departmental Officers.

Supply,delivery and installation of Heating mantle with flask capacity of 1000 ml - Digital PID type, complete as directed by Departmental Officers.

Supply,delivery and installation of Centrifuge assembly includes Tube adaptors (10 ml, 15 ml, 50 ml), spare rotor, calibration certificate with 12*50 ml capacity of High speed centrifuge of speed 10000 rpm, complete as directed by Departmental Officers.

Supply,delivery and installation of Microscope with Advanced trinocular with phase contrast feauturing for sludge protozoa/filamentous ID, complete as directed by Departmental Officers.

Supply,delivery and installation of Vacuum pump of Type Oil - free rotary vane pump with 40-60 L/min capacity, complete as directed by Departmental Officers.

Supply,delivery and installation of Incubator of 150 Litre Capacity, complete as directed by Departmental Officers.

Supply,delivery and installation of Portable Dissolved Oxygen Meter with measurement range from 0 – 20 mg/L (ppm) complete as directed by Departmental Officers.

Supply,delivery and installation of Distillation Apparatus of Double Stage glass distillation unit of 4-5 L/hr Capacity, complete as directed by Departmental Officers.

Supply,delivery and installation of Glass Desiccator (Vacuum) of size 250 mm, complete as directed by Departmental Officers.

Supply,delivery and installation of TOC (Total Organic Carbon) Analyser Measures Total Carbon (TC), Inorganic Carbon (IC), and TOC = TC – IC, range from 0 – 55,000 mg/L TOC (suitable for raw sewage to treated effluent) complete as directed by Departmental Officers.

Bio Aeration Tank Supply and delivery of AC three Phase 4 pole Horizontal squirrel cage Induction motor confirming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continuous S1 rated, 415 V +/- 10 %, 50 HZ +/- 5%, TEFC (upto 20 HP), SPDP (above 20 HP). The motor offered should be of energy efficient motors complete as directed by Departmental Officers.

Supply and delivery of Variable Frequency Drives (VFD) for motors 20HP - 50HP for Bio Aeration Tank, complete as directed by Departmental Officers.

Supply, delivery, Laying and Jointing of Blower Out let pipe 10-inch Stainless steel (Grade SS304), complete as directed by Departmental Officers.

Supply, delivery, Laying and Jointing of Aeration tank inlet pipe 4-inch Stainless steel (Grade SS304), complete as directed by Departmental Officers.

Secondary Clarifier:- Supply, delivery of Secondary sludge Feed pump 10 HP Discharge 100 to 200 M3/hour - 20 M head, complete as directed by Departmental Officers. Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed, copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size. The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS)

Labour Charges for erection of Non Clog Submersible Pump including fixing of suction pipe and foot valve upto a maximum depth of 7 metres and delivery pipes to the required length with valves, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPIC switches starter, Voltmeter, Ammeter, Capacitor single phasing preventor and laying and jointing the cables and twin earthing as per IE rules including providing bed blocks etc., complete and operating the pumps and trial run for 10 days including signing of completion of reports as required by EB authorities. Above 7.5 HP to 20 HP

Supply and delivery of Cable tray 300m - GI Hot Dip / Powder Coated 16 SWG Cable Tray with 300mm width and 50mm height, complete as directed by Departmental Officers.

Supply and delivery of Cable tray 150m - GI Hot Dip / Powder Coated 16 SWG Cable Tray with 150mm width and 50mm height, complete as directed by Departmental Officers.

Supply and delivery of Cable tray 100m - GI Hot Dip / Powder Coated 16 SWG Cable Tray with 100mm width and 50mm height, complete as directed by Departmental Officers.

Supply and delivery of 4'' UPVC pipe lines, complete as directed by Departmental Officers.

Laying of 4'' UPVC pipe lines, complete as directed by Departmental Officers.

Supply and delivery of 350mm 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 GGG 50, 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 outside 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 warranty , complete as directed by Departmental 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 for Exterior surface with approved Exterior 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 with Ready Mixed Enamel Paint over the new iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

Supply of Pipes and Specials for PS - 01 Grit Well Pipe Connection 200 mm CI D/F 2 M - 3 No. 200 mm CI D/F 1 M - 1 No. 200mm CI Flanged Socket -2 No. 200mm CI D/F 90 BENDS -2 No. 200mm CI D/S 90 BENDS -2 No. 200 MM CI REFLUX VALVE - 2 No. 200 MM CI GATE VALVE - 2 No. Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bold etc complete

Supply of Pipes and Specials for PS - 02 Grit Well Pipe Connection 200 mm CI D/F 2.75 M - 2 No. 200mm CI Flanged Socket -2 No. 200mm CI D/F 90 BENDS -2 No. 200mm CI D/S 90 BENDS -2 No. 200 MM CI REFLUX VALVE - 2 No. 200 MM CI GATE VALVE - 2 No. Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insert etc,complete

Supplying and fixing of 100 mm MS ventilating shaft of 3 m height with CI base for ventilating shaft, CI cowl including supplying, Fabricating, Erection and Fixing with necessary civil works complete as per standard specification and as directed by the Departmental Officers. For Machinehole Sewer Length of 18273.30 m + 7937.70 m = 26211 m/ 26.211 km + For Chamber Sewer Length of 16244.90 m/ 16.244 km Total of 42.455 km Length/ For 42 Nos.

Supplying and fixing position PVC Nahani Trap / Floor Trap of the following sizes with best stainless steel gratings of approved brand and quality, fixed over a bed of brick jelly lime concrete 1:2:5 (One part of lime, two part of crushed stone sandand five part of 40mm gauge brick jelly) and finished with Cement Mortar 1:3 (One Cement, Three sand) including dismantling masonry works wherever found necessary and making good the dismantled portions to the original condition and giving connection to the CI / PVC pipes, etc., complete complying with standard specification. (The Nahani Trap should be got approved by the Executive Engineer before use on works)

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.