Construction of Underground Reservoirs and Overhead Reservoirs, Pumping Stations and Linking Pumping Station Main for Water Supply in Joka and Adjoining Areas including Operation and Maintenance of the Pumping Stations

• Contractor
• Gannon Dunkerley & Company Ltd
• Date of Commencement : 05.12.2016
• Revised completion date: 15.09.2022
• Revised Contract Amount (INRM): 1109.40(Works)+ 40.95(O&M)

Main components

• Construction of 2 Nos. Underground Reservoirs with Pump House
• ii. Construction of 6 Nos. Elevated Service Reservoirs

Laying of Transmission Main from Daspara PS to UGRs at Prantik PH=III, KMC Land on Julpia Road and Transmission Main from PS to zonal Reservoir

• Contractor
• FFIL-RIL JV
• Date of Commencement : 19.05.2017
• Revised completion date: 30.06.2022
• Revised Contract Amount (INRM): 559.23 (Works)+ NA(O&M)

Main components

i. Laying of Transmission Main from Dapara PS to UGRs

ii. Transmission Main from PS to zonal Reservoir

Laying of Water Supply distribution network including providing household service connection in 4 distribution service areas in Joka & adjoining areas for the command area under proposed ESRs at Prantik Ph-III,N-E of SSE STP and existing ESR at Prantik

• Contractor
• Simplex Infrastructures Ltd.d
• Date of Commencement : 17.06.2017
• Revised date of completion : 31.12.2024
• Extended date of completion : 31.03.2025
• Original Contract Amount (INR): 137.70 (Works)
• Revised Contract Amount (INR): 93.81 (Works)

Main components

• DI Pipe Laying - 93.169 Km
• MS Pipe laying - 34.334 Km
• House Service connection with meter installation (Nos) - 11131 Nos.

Status of components of work as on 31.01.2025

1. DI Pipe Laying (Km)
1. Scope:-93.169 Km
2. Completed as on 31.01.25: 89.872 Km
3. Balance as on 31.01.25: 3.297 km
2. MS Pipe laying (Km)
1. Scope:- 34.334 Km
2. Completed as on 31.01.25: 34.053 Km
3. Balance as on 31.01.25: 0.281 km
3. House Service connection with meter installation (Nos)
1. Scope:- 11131 Nos.
2. Completed as on 31.01.25: 4020 Nos
3. Balance as on 31.01.25: 7111 Nos.

Laying of Water Supply distribution network including providing household service areas in Joka & adjoining areas for command area under proposed ESRs at Company Pukur, WBSETCL & 22 Bigha& Existing ESR at Diamond Park

• Contractor
• Simplex Infrastructures Ltd.d
• Date of Commencement : 17.06.2017
• Revised date of completion : 31.12.2024
• Extended date of completion : 28.02.2025
• Original Contract Amount (INR): 126.55 (Works)
• Revised Contract Amount (INR): 71.92 (Works)

Main components

• DI Pipe Laying - 81.53 Km
• MS Pipe laying - 29.54 Km
• House connection (Nos) - 5250 Nos

Status of components of work as on 31.01.2025

1. DI Pipe Laying (Km)
1. Scope:-81.53 Km
2. Completed as on 31.01.25: 80.31 Km
3. Balance as on 31.01.25: 1.22 km
2. MS Pipe laying (Km)
1. Scope:- 29.54 Km
2. Completed as on 31.01.25: 28.09 Km
3. Balance as on 31.01.25:1.45 km
3. House Service connection with meter installation (Nos)
1. Scope:- 5250 Nos.
2. Completed as on 31.01.25: 5170 Nos
3. Balance as on 31.01.25: 80 Nos.

Laying of Transmission Main from pumping station to proposed 3ESRs at Ramkantapur, Malpara, Charaktala & Construction of the 3 ESRs including laying of Distribution Network with House service connection within the Command Area of the 3 ESRs for Water Supply in Joka and adjoining areas

• Contractor
• Simplex Infrastructures Ltd.d
• Date of Commencement : 15.05.2017
• Revised date of completion : 31.12.2024
• Extended date of completion : 28.02.2025
• Original Contract Amount (INR): 89.99 (Work) & 1.26 (O&M) for 3 ESRs ( 3 years)
• Revised Contract Amount (INR): 95.95 (Work) & 1.26 (O&M) for 3 ESRs ( 3 years

Main components

• DI & MS Pipe Laying - 78.65Km
• ESR 1- Charaktala - 1200KL
• ESR 2 – Malpara - 1500KL
• ESR 3 – Ramkantapur - 2100KL
• HSC - 7399 Nos.

Status of components of work as on 31.01.2025

1. DI & MS Pipe Laying
1. Scope:-78.65Km
2. Completed as on 31.01.25: 78.65 Km
2. ESR 1- Charaktala
1. Scope:- 1200KL
2. Completed as on 31.01.25: Completed
3. ESR 2 – Malpara
1. Scope:- 1500KL
2. Completed as on 31.01.25: Completed
4. HSC
1. Scope:- 7399 Nos.
2. Completed as on 31.01.25: 4049 Nos
3. Balanced as on 31.01.25: 3350 Nos.

Dedicated Water Supply Transmission Main from Junction of James Long Sarani to Daspara near existing Pumping Station along James Long Sarani.

• Contractor
• Simplex Infrastructures Ltd
• Date of Commencement : 26.10.2017
• Work completed. Final inspection and handing over date is 12.03.2022.
• Revised Contract Amount (INRM): 627.56(Works)+ NA (O&M)

Main components

i. Water Supply Transmission Main from Junction of James Long Sarani to Daspara

Performance Based Contract for Water Loss Management in Anandapur Area and Patuli Area under Jai Hind WTP (Eastern Kolkata)

• Contractor
• Suez India Pvt. Ltd
• Date of Commencement : 04.10.2018
• Revised completion date: 30.09.2024 + O & M period (3 Yrs)
• Expected completion date: 28.02.2025 + O & M period (3 Yrs)
• OriginalContract Amount (INR): 131.63 (Work) & 47.30 (O&M) for 3 years
• Revised Contract Amount (INR): 144.53 (Work) & 47.30 (O&M) for 3 years

Main components

i. Topographical survey including customer survey for updating water supply service connection database.

ii. Review of existing WS distribution network and preparing of District Metered Areas within the command zones.

iii. Supply and Laying of WS distribution network.

iv. Supply and installation of flow meters including data logging.

v. Conducting Leak Detection and carrying out pipeline repairs at leakage points.

vi. Providing and installing Household service connection.

vii. Installation of Domestic Water Meters including taking meter readings.

viii. Operation and Maintenance of the District Metered Areas (DMAs) including flow recording, monitoring and assessment of water loss on a regular basis.

Status of components of work as on 31.01.2025

1. DMA Creation
1. Scope:- 22 DMAs
2. Completed as on 31.01.25: 22 DMAs
2. DMA Works
1. Scope:- 22 DMAs
2. Revised Scope: 9 DMAs
3. Completed as on 31.01.25: 6 DMAs and Partially completed - 3 DMAs
4. Balance as on 31.01.25: Work Stopped.
3. DMA Commissioned
1. Scope:- 22 DMAs
2. Revised Scope: 9 DMAs
5
3. Completed as on 31.01.25: Commissioned 5 DMAs and Handed Over - 4 DMAs
4. Pipe Laying
1. Scope:- 44.05 km
2. Revised Scope: 32.91 km (for 9 DMAs and other areas within the created DMAs)
3. Completed as on 31.01.25: 32.91 Km
4. Balance as on 31.01.25: Work Stopped.
5. Supply & Installation of Meter
1. Scope:- 35207 Nos
2. Revised Scope: 24805 Nos.
3. Completed as on 31.01.25: Supply – 24805 nos., Installed - 11445 nos
4. Balance as on 31.01.25: 13360 nos.
6. 1600dia MS pipe at Garden Reach
1. Revised Scope: 1.60Km
2. Completed as on 31.01.25: 1.48 Km
3. Balance as on 31.01.25: 0.120 m
7. Supply of Sluice & Butterfly Valve
1. Revised Scope: 435 Nos.
2. Completed as on 31.01.25: 435 Nos
8. Supply of 600 mm (12 mm thk.) MS pipe
1. Revised Scope: 1.7 km
2. Completed as on 31.01.25: 1.7 km
9. Supply & laying of 600 mm from Garfa Reservoir to EM Bye pass
1. Revised Scope: 2.9 Km
2. Completed as on 31.01.25: 2.9 Km
10. Major Accessories for Piping & House Connection
1. Scope: 14.8 Cr.
2. Revised Scope: 14.5 Cr. (purchased)
3. Completed as on 31.01.25: 7.1 Cr. (consumed)
4. Balance as on 31.01.25: 7.4 Cr.

Water Supply System Instrumentation and Information Technology Upgrade

• Contractor
• HITECH-SHANTA COLIBRI JV
• Date of Commencement : 05.03.2019
• Revised completion date:31.08.2021
• Revised Contract Amount (INRM): 163.74 (Works) + 5.00 (O&M)

Main components

i. Water Supply System Instrumentation and Information Technology Upgrade in total KMC area
Work completed and final inspection date is on 31.08.2021 and handed over on 26.10.2021

Augmentation of Storage capacity and transmission main under Jai Hind WTP-clear water reservoir, service main and electromechanical works

• Contractor
• TEPL-SNET JV
• Date of Commencement : 24.09.2018
• Schedule date of Completion: 22.09.2020
• Revised Contract Amount (INRM): 466.50 (Works)+ NA(O&M)

Main components

i. Jai Hind Water works

a) Supply & Installation of new pumping unit at Raw Water Pumping Station - One (1) set of Raw Water pump and pumping units of 3181.50 Cu-m/hr. capacity @ 16 m head with 220 KW motor. Contractor shall supply & Install new units with mentioned technical specifications, data and performance.

b) Supply & Installation of New of Clear Water Pumping unit at Clear Water Pumping Station -One (1) set of Clear Water Pump and pumping units of 7000 Cum/hr. capacity @ 45 m head with 1200 KW motor. Contractor shall supply and install new unit with mentioned technical specifications, data and performance. It shall be installed at the location of backwash pump as shown in the drawing.

c) Installation of Backwash pumping unit at suitable location of Clear Water Pumping Station -One (1) No Back Wash Pump will be relocated as shown in the drawing.

ii. Patuli Head Works

a) Supply & Installation of New Clear Water Pumping unit at Clear Water Pumping Station -One (1) set of Clear Water Pump and pumping units of 3000 Cum/hr. capacity @ 41 m head with 500 KW motor. Contractor shall supply and install new units with mentioned technical specifications, data and performance.

Work completed and final inspection and handed over on 31.12.2021.

Construction of Pumping Station to handle Sludge Water of Garden Reach Water Works (GRWW).

• Contractor
• GBC Infrastructure Limited
• Date of Commencement : 23.12.2020
• Revised completion date: 31.01.23 + O&M period (3 Yrs.)
• Contract Amount (INRM): 103.34 (Works) + 3.75 (O&M)

Main components

Construction of Pumping Station to handle Sludge Water of Garden Reach Water Works (GRWW).