Supply and delivery of 60 remote data loggers with mobile application

Closing date: 16 October 2026 at 16:00

Advert date: 09 October 2026

Briefing session: None (no briefing or site visit scheduled)

No briefing session or site visit is scheduled.

Supply Chain Management contact:

• Name: Simphiwe Mdlalose
• Telephone: 011 688 1825
• Email: [email protected]

End user department contact:

• Name: H Jacobs
• Telephone: (011) 688 6520
• Email: [email protected]

Submission address: e-Tender Portal (https://www.etenders.gov.za/)

Submission method: e-Tender Portal (https://www.etenders.gov.za/)

• Login using CSD credentials; contact CSD at [email protected] if credentials are lost.
• Search for the RFQ by reference number RFQJW0094SM2026 or under Johannesburg Water.
• Attach all compulsory documents via the submission checklist, then confirm and proceed.
• Quotations must be in PDF format only (MS Word, Excel, pictures not allowed) and on company letterhead.
• Quotations received after the closing date and time will not be accepted.
• Quotations without brand names where required will not be accepted.
• Total quotation value must include all applicable taxes; failure to include all taxes leads to disqualification.
• All attached MBD forms must be duly completed and signed.
• Quotations must be valid for 60 days from the closing date.
• Returnable documents (all compulsory):
• Original valid Tax Clearance Certificate or valid SARS PIN.
• Certified/original/valid B-BBEE certificate or sworn affidavit (non-compliant affidavit scores zero).
• Municipal rates and taxes statement not older than 90 days and not in arrears (per regulation 38).
• MBD 4 (Declaration of Interest) – discloses any connection to state employees.
• MBD 8 (Declaration of Bidder's Past Supply Chain Management Practices).
• MBD 9 (Certificate of Independent Proposal Determination) – certifies no collusion.
• Proof of CSD registration / MAAA Supplier Number.
• MBD 6.1 (Preference Points Claim Form) – claims specific goals points.
• Company registration documents with ID copies of directors/shareholders.
• Valid lease agreement or municipal account statement not older than 3 months and not in arrears for more than 90 days.
• Joint Venture Agreement, properly signed by all parties, if applicable.
• Datasheet or brochure for remote data loggers with full technical specification.
• eTenders Contact Centre: +27(0)12 406 9222 / 012 406-9229 / 012 312-5000, [email protected]

Evaluation system: 80/20 point scoring system per PPPFA 2022.

• Price: 80 points.
• Specific goals: 20 points.
• Total: 100 points.
• Bids are evaluated on price and specific goals; failure to submit proof for specific goals means no points are claimed for those goals.
• Johannesburg Water reserves the right to verify compliance directly with manufacturers.
• No minimum qualifying score is stated.

Supply and delivery of 60 remote data loggers with mobile application.

Functional requirements:

• Minimum 2 analogue inputs, compatible with 4-20 mA signals, galvanically isolated, with individual 24 VDC sensor loop power.
• Minimum 1 digital pulse input, compatible with electronic and mechanical pulse outputs, with pulse filtering/debounce.
• Microprocessor-based, fully configurable, supports remote configuration and diagnostics, local configuration via Bluetooth or equivalent, and cellular communications (minimum 4G LTE).

Power supply:

• Battery-powered, batteries housed in enclosure, replaceable by JW personnel without voiding warranty.
• Battery life minimum 2 years (based on 5-minute logging intervals and 2 transmissions per day).
• Replacement batteries readily available in South Africa, not from a single proprietary source.
• Supports external 12 VDC or solar power; auto-reverts to battery on external power failure.

Communications and protocols:

• Supports MQTT and/or UDP/IP, integration with SCADA, telemetry, historian, database and monitoring systems.
• Automatic time synchronisation, 4G LTE minimum, operates on any ICASA-approved mobile network.
• Configuration and firmware updates via remote platform, secure web interface, cellular link, Bluetooth, or SMS.

Logging and data:

• Logging interval configurable from 1 minute to 24 hours.
• Transmission intervals configurable from 1 minute to 24 hours; near real-time streaming when external power available.
• All records date and time stamped.
• Internal storage for minimum 12 months of data at 15-minute intervals on all channels, regardless of cellular availability.
• Storage via internal non-volatile memory or removable media; data retrievable in the field without remote or cloud reliance.
• All data remains property of Johannesburg Water; JW can access, export, integrate data without restriction.

Included services (in purchase price):

• Access to remote monitoring and web services management platform for minimum 3 years.
• All communications costs for minimum 3 years.
• Firmware and software updates during this period.
• No recurring licence fees during included service period.

Enclosure and environment:

• IP68 rating with connected sensors; operational when submerged 1 metre for 120 hours.
• UV-resistant and corrosion-resistant materials; secure mounting provisions (chains/locks).
• Operating temperature -20°C to +80°C; relative humidity up to 90% non-condensing.

Reporting and location:

• Integration with web-based monitoring systems; automated reports (flow, pressure, level, daily totals, water balance) with email delivery.
• Location via integrated GNSS/GPS or manual entry.

Warranty and support:

• Minimum 24-month warranty from delivery.
• Local representation, product support and servicing within South Africa; technical support available in Gauteng (configuration, fault diagnosis, repairs, warranty, after-sales).

Training:

• Comprehensive training for JW personnel at no additional cost, covering installation, configuration, programming, commissioning, operation, maintenance, troubleshooting.
• Training must enable JW personnel to independently deploy, operate, configure and maintain the loggers and software.
• All software access rights, user permissions, documentation, manuals and training materials included.

Submission requirements:

• For each item, state manufacturer (make), model/part number, and unit price.
• Submit technical datasheets/product specifications or operating manuals; failure to provide results in non-compliance.
• Provide datasheet or brochure with full technical specification.

Technical specification for supply and delivery of remote data loggers with mobile application: The Remote Data Logger shall be microprocessor-based, fully configurable, support remote configuration and diagnostics, local configuration via Bluetooth, cellular communications (4G LTE minimum). It shall have at least two analogue inputs (4-20 mA, galvanically isolated, 24 VDC loop power), one digital pulse input with filtering. Battery-powered with minimum 2-year life, replaceable batteries, support external 12 VDC or solar power. Communications: MQTT/UDP/IP, SCADA integration, time sync, 4G LTE, any ICASA-approved network. Logging interval configurable 1 minute to 24 hours. Data transmission intervals configurable, near real-time streaming with external power, date/time stamps. Internal storage for 12 months at 15-minute intervals. Data ownership remains with Johannesburg Water, access to raw/processed data, export without restriction, no ongoing licensing fees. Included services: 3 years access to remote monitoring platform, communications costs, firmware/software updates. Enclosure: IP68, submersible 1m for 120 hours, UV/corrosion resistant, secure mounting. Operating temperature -20°C to +80°C, humidity up to 90% non-condensing. Reporting: web-based integration, automated reports (flow, pressure, level, daily totals, water balance), email delivery. Location: GNSS/GPS or manual entry. Warranty: minimum 24 months. Local representation and support in Gauteng. Training: comprehensive training for JW personnel at no cost, covering installation, configuration, programming, commissioning, operation, maintenance, troubleshooting, enabling independent operation.

Pricing schedule (MBD 3.1) – firm prices only. Offer valid for 60 days from closing date. Include item quantity, description, unit price, total price, sub-total, VAT at 15%, grand total with all applicable taxes. Provide brand and model, country of origin, compliance statement, delivery period and basis. All delivery costs must be included in bid price.

Pricing schedule (MBD 3.1) – firm prices only; non-firm prices (including those subject to exchange rate variations) will not be considered.

• Offer valid for 60 days from closing date.
• Complete item quantity, description, unit price, total price, sub-total, VAT at 15%, and grand total including all applicable taxes.
• Provide brand and model, country of origin, compliance statement, delivery period and basis.
• All delivery costs must be included in the bid price.
• No bid security, bonds, guarantees, retention or payment terms are stated.

CSD registration: All suppliers must be registered on the Central Supplier Database (CSD); proof of CSD registration / MAAA Supplier Number required.

Tax clearance: Original valid Tax Clearance Certificate or valid SARS PIN required.

B-BBEE: Valid B-BBEE certificate or sworn affidavit required; non-compliant affidavit scores zero.

Municipal account: Municipal rates and taxes statement not older than 90 days and not in arrears (per regulation 38); also a valid lease agreement or municipal account statement not older than 3 months and not in arrears for more than 90 days.

State service: No RFQ will be considered from persons in the service of the state.

Blacklisting: Bidders blacklisted by National Treasury or any national authority due to non-performance will not be considered.

Joint Venture: A properly signed Joint Venture Agreement required where applicable.

Company registration: Company registration documents with ID copies of directors/shareholders required.

POPIA: Consent to process personal information required (POPIA consent form).

Warranty: Minimum 24 months from delivery.

Technical support: Local representation and servicing within South Africa; support available in Gauteng (configuration, fault diagnosis, repairs, warranty, after-sales).

Special conditions: I/O requirements are minimum; equipment with additional features considered if minimums met. Johannesburg Water may verify compliance directly with manufacturers; this does not relieve the supplier of obligations to provide technical support, honour warranty, provide replacement equipment, and fulfil contractual obligations.

Data ownership: All measurement data remains property of Johannesburg Water; access to historical data remains available even if equipment use is discontinued, without dependence on ongoing software licensing or vendor support.

Included services: 3 years access to remote monitoring platform, communications costs, and firmware/software updates; no recurring licence fees during this period.

Training: Comprehensive training for JW personnel at no cost, enabling independent operation.

Delivery: All delivery costs included in bid price; delivery basis to be stated.

Special conditions: The I/O requirements are minimum acceptable; equipment with additional features considered if minimums met. Johannesburg Water reserves right to verify compliance with manufacturers. Supplier must provide technical support, honour warranty, provide replacement equipment, fulfil contractual obligations.

All suppliers responding to quotations should be registered on Central Supplier Database (CSD). Quotations must be on company letterheads. Quotations received after closing date and time will not be accepted. Quotations without brand names where required will not be accepted. Total quotation value to include all applicable taxes. Submit a copy of a valid BBBEE certificate or sworn affidavit. Ensure that all attached MBD's are duly completed and signed. Submit a copy of valid lease agreement or municipal account statement not older than 3 months and not in arrears for more than 90 days. Acceptance of a quotation will be subject to Johannesburg Water's Supply Chain Policy.

Quotations will be evaluated on the 80/20 point scoring system. 80 points allocated to price and 20 points for specific goals as per PPPFA 2022.