Supply, installation & 36-Month maintenance of telemetry & scada upgrade (adroit classic to smart ui) for rûensveld east & west water schemes

SCM / Procedural enquiries:

• Mr E Nwamafela, Mr S Mayixhale & Mr A Booi
• Telephone: 021 851 2155
• Email: [email protected], [email protected], [email protected]

Technical enquiries:

• Mr Anthony Lotz (Employer's Agent)
• Telephone: 028 001 0049
• Email: [email protected]

Physical submission address / bid box: Overberg Water Board Head Office Reception, 1 Niblick Way, Ground Floor, Trident Park 3, Somerset West 7137.

Submission method: sealed hard-copy tender deposited in the bid box at Overberg Water Board Head Office Reception, 1 Niblick Way, Ground Floor, Trident Park 3, Somerset West 7137. The bid box is open Monday to Friday 08:00–17:00 (closed public holidays).

Closing date and time: 16 September 2026 at 12:00 PM. Late, telegraphic, telephonic, telex, facsimile or e-mailed tenders will not be accepted.

Envelope marking: Tender Bid No Re-advert RFP OW-015 2026/27 OVERBERG WATER BOARD.

Bidders must sign the reception tender register on submission; writing in block letters and black ink.

All bids must be submitted on the official forms provided (not re-typed).

Mandatory returnable forms and documents (all must be completed, signed and submitted with the tender):

• SBD 1 (Invitation to Bid): cover page with bidder details and signed offer.
• SBD 4 (Declaration of Interest): discloses whether any director or shareholder is employed by the state or connected to anyone at the department; false declaration disqualifies the bid.
• SBD 6.1 (Preference Points Claim): claims B-BBEE points under the PPPFA 80/20 or 90/10 system.
• SBD 8 (Declaration of Bidder's Past Supply Chain Management Practices).
• SBD 9 (Certificate of Independent Bid Determination): certifies the price was set independently with no collusion.
• Authority to Sign / Board Resolution: authorises the named signatory to bind the bidder.
• Proof of CSD registration and a valid SARS Tax Compliance Status PIN or certificate.
• B-BBEE status level verification certificate or sworn affidavit (for EMEs/QSEs) to claim preference points.
• CIDB registration certificate showing grading 6 EP or higher (or ME/CE equivalent) valid at close of tender.
• Joint venture agreements (if applicable) with each partner's CIDB registration and CSD/tax compliance.

Disqualification risks: any mandatory form left unsigned or omitted; submission after closing time; CIDB grading below 6 EP (or equivalent); tender from a potentially emerging enterprise with grading below the required threshold; failure to meet eligibility criteria in Clause C.2.1 (resources, similar experience, CIDB registration).

Three-stage evaluation:

Stage 1 – SCM mandatory returnable requirements screening (compliance with all mandatory forms, CSD, tax, CIDB, B-BBEE certificate/affidavit). Non-compliant bids are eliminated.

Stage 2 – Functionality/technical responsiveness assessment. Bidders must meet the minimum qualifying score (threshold not stated in the extracted text) to proceed.

Stage 3 – Price and Specific Goals (preference points) evaluation under the Preferential Procurement Regulations, 2022. The applicable preference point system (80/20 or 90/10) is not explicitly stated; bidders claim points via SBD 6.1 supported by a valid B-BBEE certificate or sworn affidavit.

Eligibility pre-conditions (Clause C.2.1): CIDB contractor grading designation minimum 6 EP (Electrical Engineering Works – Infrastructure) or higher, or ME/CE equivalent, valid at close of tender; registered with CIDB in the appropriate class; not a potentially emerging enterprise with grading below the required threshold; availability of resources; previous experience on contracts of similar value and nature. Joint ventures permitted provided every member is CIDB-registered, the lead partner has grading not lower than one level below the required designation, and the combined grading meets the requirement.

Pricing: fixed, final and binding rates – no contract price adjustments, foreign fluctuations or escalation (Clause C.2.10.3).

Scope: Supply, delivery, installation and commissioning of a modern telemetry system; upgrade of the existing SCADA system from ADROIT Classic to ADROIT Smart UI (or equivalent); and 36-month maintenance of the upgraded system for Overberg Water in the Western Cape.

Two water schemes covered:

1. Rûensveld East Water Scheme – Water Treatment Works (WTW), Low Lift Pump Station, High Lift Pump Station, Repeater Station, Reservoirs 1–8, BRC9, BWR4, BER3, P&B Flowmeter site.
2. Rûensveld West Water Scheme – Central SCADA & WTW, Tuinkop Repeater Site, Low Lift PS1, High Lift PS2, Pump Stations 3 & 4, Reservoirs 1 & 1A, 2, 3 (South), 4 (Jongensklip), 5 (Central), 6 (East), BN16 Flowmeter, BS5A Flowmeter, East Line Flowmeter, West Line Flowmeter.

Key technical requirements (from Scope of Works and technical chapters):

• System architecture: modern telemetry with RTUs/PLCs at all sites, central SCADA server(s) with ADROIT Smart UI, redundant communications (radio/licensed band, possibly cellular backup).
• RTU/PLC hardware: ruggedised, vandal-resistant, solar-powered where grid power unavailable; compliant with IEC 61131, IEC 60870-5-101/104, DNP3, Modbus TCP/RTU.
• Communications: licensed radio network design, path studies, repeater at Tuinkop (West) and Rûensveld East Repeater; cybersecurity (firewalls, VPN, IEC 62443 alignment).
• Instrumentation upgrades: level (radar/ultrasonic), flow (electromagnetic/ultrasonic), pressure, pump status, water quality (pH, chlorine, turbidity) at WTW and pump stations.
• MCC integration: soft-starter/VFD interfaces, motor protection relays, interlocks.
• SCADA software: ADROIT Smart UI (or equivalent) with real-time monitoring, alarm/event management, historical trending, reporting, web client, mobile access, redundancy (hot standby), failover, data logging ≥ 5 years.
• Functional Design Specification (FDS) and Detailed Design Specification (DDS) to be developed and approved before implementation.
• Factory Acceptance Test (FAT), Site Acceptance Test (SAT), commissioning, performance testing (99.5% system availability target).
• Training: SCADA operator training (master station), RTU/PLC maintenance training for OWB staff.
• Documentation: as-built drawings, O&M manuals, test records, configuration backups, cybersecurity documentation.
• Labelling and earthing per SANS 10142 and project specifications.
• Bill of Quantities provided for both schemes (General & Preliminary items plus per-site breakdown).
• Maintenance period: 36 months from practical completion, including 24/7 remote support, quarterly preventive maintenance, emergency response SLA (not quantified in extracted text).

Pricing format: Bill of Quantities (BOQ) for each scheme (Rûensveld East and Rûensveld West) with General & Preliminary items and per-site breakdown. Rates and prices are fixed, final and binding for the contract duration – no contract price adjustments, foreign exchange fluctuations or escalation (Clause C.2.10.3).

Construction guarantee: required per Part C1.3 (Form of Construction Guarantee) – percentage/amount not stated in extracted text.

Insurance: tenderer advised to seek qualified advice; employer's insurance extent may not cover full contract requirements (Clause C.2.9).

Payment terms: not detailed in extracted text; standard GCC 2015 provisions apply unless special conditions specify otherwise.

Financial capacity: bidders must demonstrate availability of resources (Clause C.2.1.1(a)) and previous experience on contracts of similar value and nature (Clause C.2.1.1(b)). No explicit minimum turnover or liquidity threshold stated.

Mandatory compliance documents and registrations:

• CSD registration (Central Supplier Database) – CSD number must be provided.
• SARS Tax Compliance Status (TCS) PIN or certificate – each JV partner must submit separately.
• CIDB registration: contractor grading designation minimum 6 EP (Electrical Engineering Works – Infrastructure) or higher, or ME/CE equivalent, valid at close of tender. If registration expires during tender validity, proof of timely renewal application required; failure to register within 10 working days after request renders tender non-responsive.
• B-BBEE status level verification certificate (SANAS-accredited) or sworn affidavit (for EMEs/QSEs) – required to claim preference points; no minimum B-BBEE level stated as a gate, but points claimed via SBD 6.1.
• Not a potentially emerging enterprise with CIDB grading below the required threshold (such tenders will not be evaluated).
• Joint ventures: every member CIDB-registered; lead partner grading not lower than one level below required; combined grading meets requirement.

Mandatory returnable forms (compress to one line each):

• SBD 1 – Invitation to Bid (signed offer cover page).
• SBD 4 – Declaration of Interest (state employment/connection disclosures).
• SBD 6.1 – Preference Points Claim (B-BBEE points under PPPFA).
• SBD 8 – Declaration of Past SCM Practices.
• SBD 9 – Certificate of Independent Bid Determination (no collusion).
• Authority to Sign / Board Resolution (authorises signatory).

Standard conditions: General Conditions of Contract for Construction Works, 3rd Edition 2015, plus any special conditions specified by OWB.