Supply and delivery of rf fibre converters – government tender in gauteng

SCM enquiries

• Department: SANSA SCM Department
• Telephone: 012 334 5000
• Email: [email protected]

POPIA/PAIA enquiries only (not bid enquiries)

• Contact: Mr Humbulani Mudau
• Email: [email protected]

Submission address

Sansa

Space Operations office

Farm 502 JQ

Hartebeesthoek

West Rand District

Gauteng

South Africa

Bid box location: SANSA Space Operations office reception

Submission method: physical delivery to bid box only

• Location: SANSA Space Operations office reception, Farm 502 JQ, Hartebeesthoek, West Rand District, Gauteng
• Hours: 08:00–16:00 weekdays
• Closing: 9 November 2026 at 11:00 (SANSA reception clock is official time)
• Late bids rejected regardless of reason; no telegraphic, telephonic, fax or email submissions accepted

Packaging: two-envelope system required

• Envelope 1 (technical): bid documents and supporting documents, sealed, marked with bid number and project name
• Envelope 2 (financial): Pricing Schedule and Form of Offer and Acceptance, sealed, marked with bid number and "Financial Offer"
• Copies: 1 original + 2 hard copies of bid document; 1 original of financial offer only
• Bidders must sign the submission register at reception

Returnable forms (complete, sign, submit):

• SBD 1 (Bidder's Information): company details, contacts, tax status, CSD number
• SBD 4 (Declaration of Interest): discloses state employment, conflicts of interest, collusion; false declaration disqualifies
• SBD 6.1 (Preference Points Claim): claims B-BBEE points under 80/20 system
• Certificate of Authority of Signatory: board resolution or equivalent authorising signatory per entity type
• Statement of Compliance to Scope of Work
• Special Conditions of Contract (SCC)
• General Conditions of Contract (GCC)

Mandatory documents for evaluation:

• Fully completed and signed bid document on original forms (do not re-type or convert from PDF)
• CSD registration summary with compliant tax status
• Signed OEM authorization letter

Disqualification risks:

• Late delivery
• Delivery to any SANSA office other than Hartebeesthoek
• Unsigned or omitted returnable forms
• Re-typed or PDF-converted bid documents
• Missing CSD registration, tax compliance proof, or OEM authorization

Evaluation method: two-stage (functionality first, then price and preference)

Stage 1 — Functionality (quality)

• Minimum qualifying score: 80/100
• Bids scoring below 80 are disqualified; financial offers remain unopened
• Evaluation criteria detailed in Table 1 (not fully reproduced in source; bidder must consult document)

Stage 2 — Price and preference (80/20 system)

• Applicable because estimated value does not exceed R50 000 000
• Price: 80 points (lowest acceptable tender = maximum points)
• Specific goals: 20 points

Specific goals points allocation:

• 51% black owned: 10 points
• 40% black women owned: 6 points
• 51% owned with youth: 4 points
• Total specific goals: 20 points

Proof required for specific goals claims:

• CSD report
• CIPC registration
• ID copies
• Share certificates/register (if applicable)
• B-BBEE certificate or sworn affidavit

Note: Failure to submit proof/documentation for specific goals means no preference points claimed. SANSA reserves right to substantiate any claim.

Procurement: supply and delivery of RF-over-Fiber (RFoF) transport system for Hartebeesthoek Ground Station

Equipment summary:

• 3U rack-mounting RFoF chassis: 4 units
• RF/Fiber Optic transmitter and receiver modules: 16 TX + 16 RX total (4 TX + 4 RX per chassis)
• Power supply modules: 8 total (2 per chassis)
• Monitoring and control modules: 4 total (1 per chassis)
• IP66 outdoor enclosure (3U): 1 unit

1. 3U Fiber Optic Chassis (4 units)

• 19-inch rack-mount, accepts up to 13 RF/support cards plus M&C module and dual PSUs
• Up to 26 channels per chassis with dual RF cards
• All modules hot-swappable; blind-mate option
• AC power (IEC input, 110/230 VAC 50/60 Hz, 88–264 VAC range)
• Remote monitoring/control via SNMP and web browser
• Operating temperature: -20 °C to +60 °C
• Humidity: 0–95% non-condensing
• 5 year warranty
• Each chassis includes: 4 × FO transmitters (10–3000 MHz), 4 × FO receivers (10–3000 MHz), dual redundant PSUs, RJ45 M&C module with SNMP/HTML interface, factory fan assembly

2. RF/Fiber Optic Modules — wideband link (16 TX + 16 RX)

• Frequency range: 10–3000 MHz
• Impedance: 50 Ω (SMA)
• Flatness: ±0.7 dB typical (±1.0 dB max)
• VSWR: ≤2:1 typical (1.5:1 typical per detailed spec)
• Link gain: 0 dB nominal at 0 dB optical loss
• Gain adjustment range: 15.5 dB (Tx and Rx), 0.5 dB steps
• Gain stability: ±0.25 dB over 24 hrs; ±3 dB over temperature
• Input IP3: 11 dBm typical (15 dBm at default gain per detailed spec)
• Input P1dB: 2 dBm typical (3 dBm typical per detailed spec)
• Noise figure: 23 dB typical at default gain (23.5 dB typical; 21.5 dB at max Tx gain)
• SFDR: 110 dB/Hz²/³ typical at 1200 MHz
• Maximum no-damage RF input: +15 dBm
• Optical: 1310 nm ±20 nm DFB laser, 4.5 dBm typical output
• Optical connectors: SC/APC, LC/APC or FC/APC
• Power: Tx 1.9 W typical, Rx 1.3 W typical
• Operating temperature: -20 °C to +60 °C; storage: -40 °C to +70 °C
• Note: 1550 nm and CWDM options not required

3. Outdoor Enclosure (1 unit)

• Houses one 3U chassis with all modules, dual PSUs, M&C
• IP66 rated, powder-coated stainless steel
• Dimensions: 600 × 600 × 220 mm; weight unloaded: 19 kg
• Simple tilt mechanism for access
• Waterproof power, fiber and Ethernet connectors
• Max RF connectors: 20 × N-Type female
• Max optical: 2 × fiber split gland; power: 3 × power split gland; RJ45: 2
• PSU: single or dual redundant; 100–240 VAC (2–4 A)
• Operating temperature: -20 °C to +60 °C (with heater option to -40 °C)
• Max ambient with full load: +45 °C (16 RF modules) to +60 °C (4 RF modules)
• Storage: -40 °C to +70 °C; altitude: 2000 m max; humidity ventilator included

Warranty: minimum 1 year manufacturer's warranty on all equipment

Delivery: to SANSA Hartebeesthoek site

Pricing format: Schedule of Prices — fixed price for supply and delivery

• All rates to include all costs; no unspecified costs permitted
• Payment: based on delivery of goods, against invoices only
• Offer validity: 120 working days from bid closing date
• Pricing Schedule and Form of Offer and Acceptance to be in separate sealed envelope marked "Financial Offer"

Pricing schedule items:

• Optic fibre convertors: 4 units (amount to be filled in by bidder)
• Delivery to SANSA Hartebeesthoek site: 1 (amount to be filled in by bidder)
• Any other costs (specify)
• Total contract amount excluding VAT
• VAT at 15%
• Total contract amount including VAT

Financial offer to be completed in black ink; corrections by deletion, rewriting and initialling; no correction fluid permitted

Post-award: successful bidder must deliver any bonds, guarantees, proof of insurance and other documentation within 21 days of SANSA official's request; failure constitutes repudiation

Mandatory eligibility (automatic disqualification if not met):

• Fully completed and signed bid document on original forms
• CSD registration summary with compliant tax status (international bidders exempt from tax status requirement)
• Signed OEM authorization letter

Tax compliance:

• SARS TCS PIN or printed TCS certificate; or CSD number if no TCS PIN available
• Each JV/consortium/subcontractor party must submit separate TCS/CSD

B-BBEE / specific goals:

• Preference system: 80/20 (value ≤ R50 000 000)
• Points claimed via SBD 6.1
• Proof required: CSD report, CIPC registration, ID copies, share certificates/register, B-BBEE certificate or sworn affidavit
• Specific goals: 51% black owned (10 pts), 40% black women owned (6 pts), 51% youth owned (4 pts)

Exclusions:

• No bids from persons in service of the state, or companies/directors/members thereof

Other registrations:

• CSD registration mandatory
• CIPC registration required as proof for specific goals claims

Standard forms (compress only):

• SBD 4: disclosure of state employment, conflicts, collusion
• SBD 6.1: preference points claim
• SBD 7: contract form (to be completed by successful bidder post-award)
• Certificate of Authority of Signatory: proof of signatory authority