SUPPLY AND INSTALLATION OF FLOWMETER AND TELEMETRY PIEZOMETER WITH ACCESSORIES ON DOOR DELIVERY BASIS AT HBL PLANT SUGAULI EAST CHAMPARAN, AND LAURIYA, WEST CHAMPARAN, BIHAR.

Supply and Installation of Flowmeter and Piezometer with Data Connectivity at Sugauli as Per the Following Specification and attached tender document:

Supply & Installation of Ultrasonic Flow Meter with data connectivity & CGWA server integration services as per below technical specifications: Size: DM 50 (2”) Technology: Ultrasonic (Transit-Time) Measured Parameters: • Cumulative Forward Flow • Cumulative Reverse Flow • Net Flow • Instantaneous Flow Rate • Pump Operating Hours Standards & Compliance: ISO 4064:2014, Class-2 Accuracy: ±2% of reading (10% to 100% of maximum flow range) Protection Class: IP68 (Waterproof & Submersible, suitable for long-term field operation) Tamper Proofing: Physical tamper seals with alert generation on opening Encrypted communication to prevent unauthorized data access Telemetry & Communication: Built-in IoT Gateway Connectivity: 4G / 5G / LTE / LAN / WAN, Power Supply: External Power: 220 VAC Battery Backup: Long-life lithium battery (10+ years preferred) Data Storage / Logging: Local non-volatile memory, Minimum data retention: 48 months Approved Makes: ABB (Aqua Master) / Micronics (Portaflow)/ Atlantech/ Hitech/ Siemens / Endress & Hauser /Emerson Flow meter with all accessories like: Cables, fittings, and mounting hardware, Installation, testing, and commissioning. The job also includes installation as per OEM’s manual, data Connectivity & CGWA Integration Services as per below details: Cloud-based data connectivity service with CGWA server for 1 year, Applicable for the Flow Meter installed at site, Show the flow of groundwater extraction and the groundwater level.

Supply of Groundwater Level Sensor (Digital Piezometer) as per below technical specifications including its installation, data connectivity & CGWA integration services as per below details: Sensor Types: Vibrating Wire (VW): Uses a tensioned steel wire; frequency change based on diaphragm deflection; suitable for long-term stability and immune to electrical noise. Piezoelectric / Piezoresistive: Converts pressure into electrical signal (Voltage or 4–20 mA output) Measurement Range: 0.2 MPa to 10 MPa (equivalent to 0–400 meters’ water head) Low-pressure models suitable for heads under 7 meters Cable Length: 100 meters (sensor to remote-mounted transmitter) Accuracy: ±0.1% to ±0.25% of Full Scale (FS) Resolution:Vibrating Wire Type: ~0.025% FS, Digital Type: up to 0.1 mm water level resolution Material: Outer body in Stainless Steel SS 304 / SS 316L for corrosion resistance, Titanium body for saline environments Filter Protection: 40–60 micron sintered stainless steel or ceramic filter Allows water ingress while blocking soil particles Telemetry & Data: Connectivity: 4G / LTE, WAN / LAN, Onboard Memory: 8 MB to 32 GB, Data logging capability: 1+ year, Power Supply: 220 VAC, Battery-powered backup using Lithium Thionyl Chloride Battery life: 5+ years Approved Make: Hitech / Saitechflow / Encardio Rite / Acorn Controls Pvt. Ltd. The job also includes installation as per OEM’s manual, data Connectivity & CGWA Integration Services as per below details: Cloud-based data connectivity service with CGWA server for 1 year. Applicable for the Flow Meter & Piezometer installed at site. Show the flow of groundwater extraction and the groundwater level.

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Supply And Installation of Piezometer Telemetry at Lauriya as per the Following Specification

Supply of Groundwater Level Sensor (Digital Piezometer) as per below technical specifications including its installation, data connectivity & CGWA integration services as per below details: Sensor Types: Vibrating Wire (VW): Uses a tensioned steel wire; frequency change based on diaphragm deflection; suitable for long-term stability and immune to electrical noise. Piezoelectric / Piezoresistive: Converts pressure into electrical signal (Voltage or 4–20 mA output) Measurement Range: 0.2 MPa to 10 MPa (equivalent to 0–400 meters’ water head) Low-pressure models suitable for heads under 7 meters Cable Length: 100 meters (sensor to remote-mounted transmitter) Accuracy: ±0.1% to ±0.25% of Full Scale (FS) Resolution:Vibrating Wire Type: ~0.025% FS, Digital Type: up to 0.1 mm water level resolution Material: Outer body in Stainless Steel SS 304 / SS 316L for corrosion resistance, Titanium body for saline environments Filter Protection: 40–60 micron sintered stainless steel or ceramic filter Allows water ingress while blocking soil particles Telemetry & Data: Connectivity: 4G / LTE, WAN / LAN, Onboard Memory: 8 MB to 32 GB, Data logging capability: 1+ year, Power Supply: 220 VAC, Battery-powered backup using Lithium Thionyl Chloride Battery life: 5+ years Approved Make: Hitech / Saitechflow / Encardio Rite / Acorn Controls Pvt. Ltd. The job also includes installation as per OEM’s manual, data Connectivity & CGWA Integration Services as per below details: Cloud-based data connectivity service with CGWA server for 1 year. Applicable for the Flow Meter & Piezometer installed at site. Show the flow of groundwater extraction and the groundwater level.

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