NIT No 14(2026-27)Item No 01/EE(EandM)TYRSV

Pressure Transmitter Supply, installation, testing and commissioning of Smart two-wire pressure transmitter for continuous gauge/absolute pressure measurement of airflow, range 0–10 bar. Loop-powered, 24 V DC supply, with 4–20 mA output and accuracy of ±0.1% of span or better. SS316L wetted parts with ½” NPT (M) threaded/flanged process connection. IP67 weatherproof, flameproof housing suitable for outdoor installation. Operating temperature: -20°C to +85°C ambient and -40°C to +120°C process. The transmitter shall be mounted on a suitable metal mounting bracket and enclosed within a lockable protective cage for protection against theft, vandalism, and accidental damage. The cage shall provide access for maintenance and calibration while ensuring secure outdoor operation. Make: Danfoss / Honeywell / ABB/ E&H / DJB Approved

Online Free Chlorine Analyzer Supply, installation, testing and commissioning of an Online Free Chlorine Analyzer suitable for continuous measurement of residual free chlorine in treated/potable water applications. The analyzer shall be microprocessor-based with a measuring range of 0–5 mg/L, accuracy of ±2% of reading or better, and provide 4–20 mA output with HART/Modbus communication. The system shall include chlorine sensor, transmitter, sample conditioning unit with flow regulator, isolation valves, flow indicator, mounting accessories, and all necessary fittings for complete installation. The transmitter shall be housed in an IP66/IP67 weatherproof enclosure suitable for outdoor installation and integrated with PLC/SCADA systems. The analyzer assembly shall be provided with a lockable protective cage/enclosure for protection against theft, vandalism, and accidental damage. The item shall include all mounting hardware, supports, tubing, cabling, testing, calibration, commissioning, and integration works. Make: E&H/ABB/Potence/Xylem/DJB Approved

Online turbidity meter Supply, installation, testing and commissioning of an Online Turbidity Meter suitable for continuous measurement of turbidity in treated water, potable water, raw water and wastewater applications. The analyser shall operate on the nephelometric light-scattering principle in accordance with ISO 7027 or equivalent standards, with a measuring range of 0–100 NTU (or suitable for application), accuracy of ±2% of reading or better, and resolution of 0.01 NTU. The system shall comprise a turbidity sensor, analyser/transmitter, sample flow assembly, mounting accessories and provide RS-485 Modbus/HART communication for integration with PLC/SCADA systems. The analyser shall be housed in an IP66/IP67 weatherproof enclosure suitable for outdoor installation. The complete assembly shall be provided with a lockable protective cage/enclosure for protection against theft, vandalism, and accidental damage. The scope shall include all mounting hardware, supports, tubing, fittings, cabling, testing, calibration, commissioning, and integration works required for complete operation. Make: E&H/ Prominent/ Potence / ABB / Xylem / DJB Approved

Equipment Health Sensors Supply, installation, testing and commissioning of an Equipment Health Monitoring Sensor for continuous monitoring of rotating equipment such as pumps, blowers, motors and gearboxes. The sensor shall measure vibration and surface temperature parameters and provide RS-485 (Modbus RTU) communication output for integration with PLC/SCADA/IIoT systems. The sensor shall be industrial-grade, suitable for direct mounting on equipment and housed in a rugged IP66/IP67 weatherproof enclosure for outdoor installation. The scope shall include all mounting accessories, cabling, configuration, testing, calibration, commissioning, and a lockable SS304 protective cage/guard for protection against theft, vandalism and accidental damage. Make: Banner Engineering / Wimate/ ABB

Unifier Industrial Edge Gateway for remote monitoring and control of PLCs, HMIs, energy meters, chillers, AHUs and VFDs. Supports LAN and 3G/4G LTE connectivity, Modbus RTU/TCP, MQTT, HTTP, FTP and Telnet protocols. Web-based configuration, real-time read/write access, auto polling, data recovery and SSL/TLS security. Built-in Ethernet, LTE modem, RS485/RS232 interfaces, 32-bit ARM processor, 16 GB memory, 110–230 V AC supply, operating temperature 0°C to 60°C. Make: HashStudioz / Wimate / Mitsubishi

Li-ion Based RTU panel Supply, Installation, Testing & Commissioning (SITC) of Li-ion Based RTU Interface Panel comprising an outdoor weatherproof IP65 enclosure to house RTU, analog/digital I/O modules, RS-485 (Modbus RTU)/Ethernet communication interfaces, power supply and distribution components. The panel shall be provided with a maintenance-free Li-ion (LiFePO₄) battery of suitable capacity with integrated Battery Management System (BMS) and battery charger for uninterrupted operation. The enclosure shall be fabricated from powder-coated CRCA/FRP/SS304 suitable for outdoor installation. The panel shall include surge protection devices, MCBs/fuses, terminal blocks, cable glands, internal wiring, earthing, mounting accessories, labeling, testing, commissioning, integration with the SCADA/telemetry system and all materials and accessories required for complete and reliable operation.

Programmable Logic Controller Supply, installation, testing and commissioning of a Programmable Logic Controller (PLC) with minimum 8 Digital Inputs (DI), 4 Digital Outputs (DO), and 4 Analog Inputs (AI - 4–20 mA), suitable for automation, monitoring, and control applications in water and wastewater treatment systems. The PLC shall be provided with dedicated RS-485 (Modbus RTU) and Ethernet TCP/IP communication modules for integration with field instruments, SCADA, HMI, RTU, and remote monitoring platforms. The PLC shall operate on 24V DC power supply and be housed within a suitably sized IP65-rated control panel complete with power supply module, MCBs, terminals, surge protection devices, internal wiring, labeling and all accessories required for complete operation. The scope shall include PLC programming, communication configuration, testing, commissioning and integration with field instruments and supervisory systems. Make: Mitsubishi Electric / Siemens / Schneider Electric / Delta / DJB Approved

Radar Level Transmitter Supply, Installation, Testing and Commissioning (SITC) of non-contact Radar Level Transmitter for continuous liquid level measurement with a measuring range of 0–10 m, based on FMCW/Pulse Radar technology, complete with 24V DC loop-powered 4–20 mA output with HART communication, minimum IP66/IP67 weatherproof enclosure, local display/programming facility, antenna, mounting accessories, cable gland and all necessary hardware. The transmitter shall have an accuracy of ±2 mm or better, be factory calibrated, comply with applicable IEC/IS standards and be suitable for outdoor industrial applications, complete in all respects for satisfactory operation. Make: VEGA/ABB/ Filpro/ E&E / DJB Approved

Digital Twin dashboard with AI bot Providing, development, deployment, testing, and commissioning of a Digital Twin Platform for Water Supply Infrastructure covering WTPs, Pumping Stations, Reservoirs, OHTs, UGRs, pipelines and associated field assets. The platform shall integrate data from PLCs, RTUs, SCADA systems, IoT devices, analyzers, flow meters, pressure transmitters, level sensors, energy meters and equipment health sensors to create a real-time digital representation of the complete water supply system. The platform shall provide GIS-based asset mapping, real-time visualization dashboards, asset-wise drill-down views, KPI monitoring, water quality monitoring, energy analytics, equipment health monitoring and operational performance tracking from WTP to UGR/OHT level. The system shall include configurable alarms and notifications through web, mobile, SMS and email for process deviations, equipment faults, communication failures and maintenance requirements. The platform shall support automated daily, weekly, monthly and annual reporting covering operational performance, water production and distribution, energy consumption, water quality, alarms and asset health. Reports shall be available in PDF, Excel, and web-based formats.The platform shall give a real time visibility and expected forecast of supply, demand, unauthorized leakages and water balance across the supply lines etc. The solution shall include an integrated AI-powered chatbot with Retrieval-Augmented Generation (RAG) capable of accessing real-time operational data, historical records, SOPs, O&M manuals, equipment datasheets, and project documents. The chatbot shall support natural language queries, trend analysis, performance comparisons, anomaly detection, root-cause insights, report generation, predictive maintenance recommendations and graphical outputs to assist operators and management in decision-making. The platform shall be cloud-based, secure, scalable for future asset additions and include software licenses, hosting, integration, testing, commissioning, training and support for complete system operation.

Hydraulic Modelling and NRW Management Carrying out the site assessment, Topographic Survey using relevant tools, GIS Mapping/Modelling and hydraulic modelling of the existing and proposed water distribution system, including network inventory, model development, calibration, simulation, analysis to optimize system performance and report. The scope shall also include assessment and management of Non-Revenue Water (NRW) through water balance studies, district metered area (DMA) analysis, leak detection, pressure management, identification of apparent and real losses, preparation of NRW reduction plans, performance monitoring, documentation and submission of reports, complete with all manpower, software, instruments, testing, surveys and incidental works, in accordance with the approved technical specifications and as directed by the Engineer-in-Charge.