Water Balance Report System & Licenses for 3 Years

10412099-R

See details below or the tender documentation

Tender Closed on: 2025-09-23 23:00

Computer Software Supply and License Management, Data Analysis, Modelling and Simulation, Information and Communications Technology, Sensors, Instrumentation, Measuring Instruments, Temperature Monitoring, Gas Detection and Monitoring, Pollution Monitoring, Software Programming and Application Development, Water Resource Management

Gauteng, Vereeniging

Rand Water

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Tender Number: 10412099-R
Department: Rand Water
Tender Type: Request for Quotation
Province: Gauteng
Closing Date: Tuesday, 23 September 2025 - 23:00
Place where goods, works or services are required: Voortrekker Road, Vereeniging - Vereeniging - Vaal Triangle - 1939
Special Conditions: RETURNABLE DOCUMENTS 4.1 Returnable Document/s Used for Scoring Failure to provide all Returnable Documents used for purposes of scoring a RFQ, by the closing date and time of this RFQ will not result in a disqualification. However, Bidders will receive an automatic score of zero for the applicable evaluation criterion. 4.1.1 B-BBEE Status Level Verification Certificate (SANAS Approved) / Sworn Affidavit (For EMEs& QSEs)/ the dtic B-BBEE Certificate 4.1.2 Functionality evaluation supporting documents. 4.2 Essential Returnable Documents 4.2.1 Completed and signed SBD 4 Form (Declaration of Interest) 4.2.2 Company Resolution Letter (proof of authority). 4.2.3 Letter of Good Standing (COIDA)
ENQUIRIES:
Contact Person: MOLEFI R RAMOSHEBI
Email: [email protected]
Telephone number: 011-682-7229
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: NO Is it compulsory? NO
Briefing Date and Time:
Briefing Venue:

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to implement a comprehensive Water Balance Report System for Rand Water Vereeniging. The system aims to provide detailed insights into flow metrics, water balance, and system behavior. It focuses on establishing trends, detecting leaks, identifying anomalies, and enabling proactive management of the water distribution network.

Scope

The scope of work includes:

  • Installation and configuration of 15 VisioHub units to transmit flow readings from existing mag-flow meters, control actuators, and sensors across various locations.
  • Monitoring and analysis of flow trends using installed ABB flowmeters.
  • Understanding flow dynamics within different zones of the water distribution network through zonal flow trend analysis.
  • Performing water balance calculations across the entire network and within specific zones to detect leaks or inefficiencies.
  • Analyzing overall system behavior and trends, including seasonal variations and operational patterns.
  • Provision of licenses: Sigfox connection licenses and VisioConnect licenses for three years.
  • Development of an automated flagging and alert system for anomalies such as low flow rates and potential leaks.
  • Delivering training, documentation, and final project handover to operational staff.

Technical Requirements

Hardware and Connectivity

  • Installation of 15 VisioHub units with cellular LTE-M/NB-IoT or LTE (with 2G fallback), Sigfox, LoRaWAN, Wireless M-Bus, Satellite, Wi-Fi, BLE, and NFC/RFID support.
  • GNSS and satellite-based location services.
  • Onboard digital inputs/outputs, analogue inputs (4-20 mA), power outputs, relays, accelerometers, tamper detection, and sensors for pH, ORP, TDS, temperature, RTD, RS-485, 1-Wire, and I2C.
  • External probes for temperature and humidity, with rechargeable batteries (preferably LI-Polymer 4000mAh) and external 5V DC power inputs.
  • Device dimensions: 115mm x 65mm x 47mm; weight: 185 grams; IP68 rated for environmental protection.

Software and Data Management

  • Device management via VisioConnect, supporting data storage for up to one month and data distribution through MQTT and URL forwarding.
  • Support for custom device integration and online reporting on device performance.
  • Design of an expandable SmartView platform for plant visualization and trending analysis.

Analysis and Reporting

  • Installation of flowmeters at strategic locations with analysis reports on peak usage, anomalies, and flow trends.
  • Zonal flow analysis to identify irregularities and low flow zones.
  • Water balance calculations at source and within zones, with detailed discrepancy reports and corrective recommendations.
  • System behavior analysis over time, including seasonal and operational patterns, with optimization recommendations.

Licenses and Alerts

  • Sigfox and VisioConnect licenses for 3 years for each device (total of 15 devices).
  • Automated alert system for low flow and leak detection, with real-time dashboards and periodic summary reports.

Training and Final Handover

  • Provision of user manuals, quick reference guides, and training sessions for operational staff.
  • Final project review, documentation delivery, and system handover with formal acceptance.

Summary

This tender encompasses the deployment of hardware, software, and analytical tools to enhance water management through detailed flow monitoring, water balance calculations, anomaly detection, and system behavior analysis. The technical specifications emphasize robust device features, connectivity options, data management capabilities, and comprehensive reporting to support proactive water system management.

This summary is AI generated. Download the tender documents for all the information.

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