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Home  /  Projects  /  Chennai RTDAS

Chennai Real Time Flood Forecasting – RTDAS

PROJECT SUPPLIER & SYSTEM INTEGRATOR SSTECH Salem Commercials Pvt Ltd
CLIENTWater Resources Department (WRD), Government of Tamil Nadu
FUNDED BYWorld Bank – Tamil Nadu Climate Resilient Urban Development Programme (TNCRUDP), through TNUIFSL
END USERSCommissionerate of Revenue Administration, TNDRRA, and the District Collectors (Disaster Management) of Kancheepuram, Chengalpattu, Tiruvallur & Ranipet, with WRD
CONTROL CENTRESIFMC, Ezhilagam, Chepauk – now working under the WRD SCADA Control Room · Nearline DR Centre (NDRC), Alandur
237Field locations, real-time
78Automatic rain gauges
14Automatic weather stations
81Radar water-level sensors
10.10.2025Commissioned
5 yrsO&M in progress

Before & After

From empty sites to a fully operational flood forecasting network – geo-tagged photos from SSTECH’s implementation of the RTDAS project.

Before: Site at PWD Estate, Chepauk · Nov 2024BEFORE
Site at PWD Estate, Chepauk · Nov 2024
After: IFMC operational · Dec 2025AFTER
IFMC operational · Dec 2025

Integrated Flood Management Centre (IFMC)

New IFMC building constructed and fitted out at Ezhilagam campus, Chepauk – now working under the WRD SCADA Control Room.

Before: Structural works · Jan 2025BEFORE
Structural works · Jan 2025
After: Operator workstations · May 2026AFTER
Operator workstations · May 2026

Nearline DR Centre (NDRC), Alandur

Disaster-recovery control centre built and equipped at Ramapuram, Alandur.

Before: Old interiors under renovation · Apr 2024BEFORE
Old interiors under renovation · Apr 2024
After: Finished control rooms & war roomAFTER
Finished control rooms & war room

IFMC Interiors

Control rooms, war room and access-controlled corridors completed and in daily use.

Before: Upgrade works in progressBEFORE
Upgrade works in progress
After: Completed DEOC · Jan 2026AFTER
Completed DEOC · Jan 2026

District Emergency Operation Centre, Kanchipuram

Building upgraded and fitted out as the Kanchipuram District Flood Monitoring Centre.

Before: DG canopy under erection · Jul 2025BEFORE
DG canopy under erection · Jul 2025
After: DG set inspection · Sep 2026AFTER
DG set inspection · Sep 2026

IFMC Power Backup

DG sets, online UPS bank and lithium-ion battery racks installed and inspected by officials.

Before: Sensor mount anchoring · SirukadalBEFORE
Sensor mount anchoring · Sirukadal
After: Commissioned field station · TiruvallurAFTER
Commissioned field station · Tiruvallur

Field Monitoring Stations

Solar-powered radar water-level, rain-gauge and weather stations across 237 locations in the Chennai basin.

Implementation Timeline

From the first site surveys in March 2024 to commissioning and handover – construction, installation and handover progress, phase by phase. Click any photo to enlarge.

Phase 1 · Survey, Site Selection & Joint Inspection

Mar – Apr 2024
Site survey at water body
Site survey at water bodyTiruvallur · Mar 2024
Joint site inspection with WRD officials
Joint site inspection with WRD officialsPuduchatram · Mar 2024
FMC site inspection
FMC site inspectionMelamaiyur, Chengalpattu · Apr 2024
IFMC renovation start – old wiring removal
IFMC renovation start – old wiring removalWalajah Salai, Chepauk · Apr 2024
IFMC interior masonry – officials’ check
IFMC interior masonry – officials’ checkChepauk · Apr 2024
IFMC layout marking with officials
IFMC layout marking with officialsChepauk · Apr 2024
Inspection of sensor-mount fabrication
Inspection of sensor-mount fabricationFabrication yard
Building works inspection by officials
Building works inspection by officialsFMC building

Phase 2 · Civil Works – IFMC & NDRC Buildings

Chepauk & Alandur, Chennai · Nov 2024 – Feb 2025
IFMC: site clearing & foundation excavation
IFMC: site clearing & foundation excavationPWD Estate, Chepauk · Nov 2024
IFMC: footings & column reinforcement
IFMC: footings & column reinforcementPWD Estate, Chepauk · Nov 2024
IFMC: columns cast & curing
IFMC: columns cast & curingPWD Estate, Chepauk · Dec 2024
IFMC: roof slab concreting
IFMC: roof slab concretingChepauk · Jan 2025
IFMC: roof slab & brick masonry
IFMC: roof slab & brick masonryPWD Estate, Chepauk · Feb 2025
NDRC building: structural works
NDRC building: structural worksRamapuram, Alandur · Jan 2025
DEOC building upgrade works
DEOC building upgrade worksKanchipuram

Phase 3 · Field Stations & Sensors

Across the Chennai basin · Feb – Dec 2025
Sensor mount anchoring on bridge
Sensor mount anchoring on bridgeSirukadal · Feb 2025
AWS mast & sensor installation
AWS mast & sensor installationKC College, Karapakkam · Mar 2025
Sensor pedestal foundation on lake weir
Sensor pedestal foundation on lake weirKorattur Lake · Mar 2025
AWS tower erection & ballast blocks
AWS tower erection & ballast blocksMahabalipuram · Mar 2025
AWS mast erection & enclosure works
AWS mast erection & enclosure worksAWS site · Mar 2025
AWS installed with guy-wires & solar panel
AWS installed with guy-wires & solar panelArakkonam · Mar 2025
AWS station on concrete pedestals
AWS station on concrete pedestalsAlandur, Chennai · Apr 2025
Site filling & levelling for AWS
Site filling & levelling for AWSPonneri · Apr 2025
Station foundation works
Station foundation worksThalavedu · Mar 2025
Station foundation & shuttering
Station foundation & shutteringB.R. Palli · Mar 2025
Sensor anchor rods on bridge
Sensor anchor rods on bridgeNandambakkam · Apr 2025
Field team with hydraulic anchoring tools
Field team with hydraulic anchoring toolsLake monitoring site
Station fencing & finishing
Station fencing & finishingField station site
Barbed-wire fencing installation
Barbed-wire fencing installationField station site
Automatic Rain Gauge (ARG) station
Automatic Rain Gauge (ARG) stationTN Biodiversity Board, Medavakkam · Sep 2025
Automatic Weather Station – commissioning
Automatic Weather Station – commissioningPonneri · Sep 2025
Radar water-level station at reservoir
Radar water-level station at reservoirTiruvallur · Sep 2025
Water-level sensor & panel installation
Water-level sensor & panel installationOct 2025
Radar sensor pole installation
Radar sensor pole installationTiruvallur · Oct 2025
Canal water-level station
Canal water-level stationDombarambedu · Oct 2025
Automatic Weather Station
Automatic Weather StationJaya Agricultural College, Vyasapuram · Oct 2025
Automatic Weather Station
Automatic Weather StationQueen Mary’s College, Mylapore · Dec 2025
Station signage – AWS0011
Station signage – AWS0011Queen Mary’s College, Mylapore

Phase 4 · AWS Joint Live Inspection – 14 Stations

AEE, AE & WRD officials with PMC · 22–30 Apr 2025

Automatic Weather Stations inspected live by the Assistant Executive Engineer, Assistant Engineer and WRD officials along with the Project Management Consultant (PMC) at all 14 AWS sites – sensors, data loggers, rain gauges and telemetry verified on site.

Rain gauge inspection
Rain gauge inspectionArakkonam · 22 Apr 2025
Live data-logger check
Live data-logger checkArakkonam · 22 Apr 2025
Sensor verification on mast
Sensor verification on mastArakkonam · 22 Apr 2025
Station inspection
Station inspectionPallipattu Taluk Office, Tiruvallur · 22 Apr 2025
Live inspection
Live inspectionJaya Agricultural College, Vyasapuram · 22 Apr 2025
Data-logger & panel inspection
Data-logger & panel inspectionPuduchatram · 22 Apr 2025
Station walk-through
Station walk-throughPuduchatram · 22 Apr 2025
Station inspection
Station inspectionQueen Mary’s College, Mylapore · 23 Apr 2025
Station inspection
Station inspectionKC College, Karapakkam · 23 Apr 2025
Live data-logger check
Live data-logger checkSemmancheri · 23 Apr 2025
Completed AWS enclosure
Completed AWS enclosureSemmancheri · 23 Apr 2025
Logger enclosure inspection
Logger enclosure inspectionPonneri · 30 Apr 2025
Live data-logger check
Live data-logger checkKannankottai · 30 Apr 2025
Commissioned AWS station
Commissioned AWS stationKannankottai · 30 Apr 2025

Phase 5 · AWS Data Logger – Live Data Inspection

AEE, AE & PMC · Sep 2025

Live data read directly from the Azista data logger at site by the Assistant Executive Engineer, Assistant Engineer and the Project Management Consultant (PMC) – every sensor parameter verified on the logger display.

AWS station signboard – TNCRUDP
AWS station signboard – TNCRUDPJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Station name: JEPPIAARCOLLEGE
Station name: JEPPIAARCOLLEGEJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Station IDs: AWS0013 / AWS00914
Station IDs: AWS0013 / AWS00914Jeppiaar Engineering College, Semmancheri · 12 Sep 2025
Hourly rainfall: 2.6 mm
Hourly rainfall: 2.6 mmJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Daily rainfall: 0.0 mm
Daily rainfall: 0.0 mmJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Air temperature: 30.9 °C
Air temperature: 30.9 °CJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Relative humidity: 70.85 %
Relative humidity: 70.85 %Jeppiaar Engineering College, Semmancheri · 12 Sep 2025
Wind speed: 0.99 m/s
Wind speed: 0.99 m/sJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Wind direction: 227°
Wind direction: 227°Jeppiaar Engineering College, Semmancheri · 12 Sep 2025
Solar radiation: 334 W/m²
Solar radiation: 334 W/m²Jeppiaar Engineering College, Semmancheri · 12 Sep 2025
Soil moisture: 13.2 %
Soil moisture: 13.2 %Jeppiaar Engineering College, Semmancheri · 12 Sep 2025
Evaporation: 91 mm
Evaporation: 91 mmJeppiaar Engineering College, Semmancheri · 12 Sep 2025
Battery voltage: 13.7 V
Battery voltage: 13.7 VJeppiaar Engineering College, Semmancheri · 12 Sep 2025
AWS station with signboard
AWS station with signboardKorattur Anicut, Puduchatram · 8 Sep 2025
AWS0004 station signboard
AWS0004 station signboardP.B. College of Engineering, Kancheepuram · 21 Sep 2025

Phase 6 · Power, UPS & Electrical

IFMC, NDRC & District FMCs · May 2025 – Aug 2026
LT panels delivered to FMC
LT panels delivered to FMCChengalpattu · May 2025
DG sets delivered for IFMC
DG sets delivered for IFMCTriplicane, Chennai · Jun 2025
Steel canopy structure over DG sets
Steel canopy structure over DG setsTriplicane, Chennai · Jul 2025
Canopy truss erection
Canopy truss erectionTriplicane, Chennai · Jul 2025
FMC genset platform completed
FMC genset platform completedCollectorate, Ranipet · Aug 2025
Electrical & CCTV works, panel room
Electrical & CCTV works, panel roomIFMC, Chepauk · Jul 2026
Online UPS bank commissioned
Online UPS bank commissionedIFMC, Chepauk · Aug 2026
Lithium-ion battery racks
Lithium-ion battery racksIFMC, Chepauk · Aug 2026
20 kVA UPS with battery bank
20 kVA UPS with battery bankFMC, Ranipet · Aug 2026

Phase 7 · Control Centres – IFMC, NDRC & District FMCs

Dec 2025 – May 2026
Hon'ble Minister reviewing live flood data at SEOC
Hon'ble Minister reviewing live flood data at SEOCChennai · Oct 2025
Senior officials’ review of hydro-modelling
Senior officials’ review of hydro-modellingIFMC, Chepauk · Dec 2025
Integrated Flood Management Centre (IFMC)
Integrated Flood Management Centre (IFMC)Ezhilagam, Chepauk · Dec 2025
District Emergency Operation Centre
District Emergency Operation CentreKanchipuram · Jan 2026
Network rack & CCTV review
Network rack & CCTV reviewNDRC, Alandur · Feb 2026
NDRC workstations in use
NDRC workstations in useNDRC, Alandur · May 2026
IFMC control rooms & war room
IFMC control rooms & war roomEzhilagam, Chepauk

Phase 8 · Training, Inspection & Handover

Dec 2025 – Sep 2026
End-user training at AWS station
End-user training at AWS stationQueen Mary’s College, Mylapore · Dec 2025
FMC handover review with officials
FMC handover review with officialsFMC, Ranipet · Dec 2025
DG set inspection by officials
DG set inspection by officialsIFMC, Chepauk · Sep 2026
Electrical panel inspection
Electrical panel inspectionIFMC, Chepauk · Sep 2026
LT panel room inspection
LT panel room inspectionIFMC, Chepauk · Sep 2026