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Technical eligibility requires the service provider to demonstrate capability to perform aerial triangulation in strict compliance with the Standard for Image Exterior Orientation (QLAS.SD.13_EXOR_v3). This includes: - Access to required inputs: calibrated camera, INS data, accurate ground control points, and flight plan, all compliant with the Standard for the Acquisition of Digital Imagery. - Ability to deliver outputs meeting specified accuracies and formats, including adjusted PCP coordinates, exterior orientation parameters, and a detailed Aerial Triangulation Plan (ATP).

Scope: Supply 0.25m Ground Sample Distance (GSD) digital colour aerial imagery for Ulundi. Mandatory technical requirements for Image Exterior Orientation (per QLAS.SD.13_EXOR_v3):

• Aerial triangulation method: Bundle adjustment with self-calibration, GNSS, and INS-assisted air-stations processing.
• Photo Control Points (PCP): Minimum 6 per model; minimum 9 per image. Maximum 5 trigonometrical beacons per 1:50,000 sheet area as height check points.
• Inputs: Images, camera calibration certificate, INS data, Photo Ground Control Points (PGC), trigonometrical beacon coordinates, and flight plan must comply with the Standard for the Acquisition of Digital Imagery. PGC points must have absolute accuracy of ≤0.30m in position and elevation, fixed to the National Control Survey Network (NCSN).
• Outputs: Final adjusted PCP coordinates (y, x, H) on the South African coordinate system (1 decimal place for coordinates; 6 decimal places for rotation angles Omega, Phi, Kappa).
• Aerial Triangulation Plan (ATP) requirements: Digital and hard copy, including job name, area covered, scale, Lo number, reference ellipsoid, camera details (name, number, focal length, calibration date), GSD, imagery date, entity and date of AT, and symbol legends for PGC, height control, check points, trigonometrical beacons, tie/pass-points, photo numbers, coastline/border demarcation, and orthophoto sheet references.
• Output accuracies: Photogrammetric measuring precision ≤10 microns; horizontal accuracy of adjusted PCP ≤1.5m at 95% confidence; vertical accuracy of adjusted PCP and check points ≤1.8m at 95% confidence.

Scope: Supply of 0.25m ground sample distance (GSD) digital colour aerial imagery for Ulundi. Coverage area: Grid references 2629-2632, 2729-2732, 2829-2832, 2929-2931 (likely defining the project boundaries).

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Evaluation criteria are not explicitly stated in the provided content. However, the tender likely prioritizes specialized aerial imagery capabilities, compliance with geospatial standards, and technical proficiency in delivering 0.25m Ground Sample Distance digital colour aerial imagery.

Scope: Supply of 0.25m Ground Sample Distance digital colour aerial imagery in Ulundi for the Chief Directorate: National Geospatial Information. Deliverables: High-resolution aerial imagery meeting the specified ground sample distance. Reference: The tender document includes 'TrigNet Stations 2019', which may indicate the use of geospatial reference points or distribution networks for accuracy and alignment.

Required returnable documents not specified in the provided text. Bidders must verify the full tender document for: submission address, deadline, required forms, and any disqualification risks.

Evaluation based on Aerial Triangulation & Elevation Capture (ATEC) criteria. Mandatory requirements:

• Seamless integration with Aerial Triangulation Software.
• Submission of mandatory files and data formats: Camera specifications (text file), GNSS_INS_DATA.TXT (final observed exterior orientation and RMS values), Model (text file with model sequences), Project (project file with image and flying details), Photo file (text file with exteriors as per GPS/INS file and image).
• Successful identification and measurement of ground features (PGC’s).
• Full autocorrelation completion with a successful solution.
• Final PhotoT Absolute computation with Maximum Ground Residual values within limits (refer to Appendix E – Standard for Image Exterior Orientation).
• Elevation capture: good ground surface identification for river courses and ridges, excellent stereoscopic results for linear features, no parallax, no lateral shifts, seamless panning.
• Suitability of imagery for DTM validation: successful DTM postings correlation and true-to-ground accuracy validation.

Assessment confirmed by the responsible manager at the ATEC unit.

Scope: Supply 0.25m Ground Sample Distance digital colour aerial imagery in Ulundi.

Deliverables and standards:

• Imagery must integrate seamlessly with Aerial Triangulation Software.
• Provide all mandatory files and data in specified formats (Camera, GNSS_INS_DATA.TXT, Model, Project, Photo file).
• Enable successful aerial triangulation, including ground feature measurement and autocorrelation.
• Support elevation capture with high-quality stereoscopic results for linear features (e.g., river courses, ridges).
• Ensure no parallax, no lateral shifts, and seamless panning.
• Imagery must be suitable for Digital Terrain Model (DTM) validation and true-to-ground accuracy assessment.

No explicit compliance requirements (e.g., B-BBEE, tax, CIDB, CSD) are stated in the provided text. Bidders must check the full tender document for mandatory compliance criteria.

Refer to the main tender documents for submission address, deadline, and required forms. This document does not specify returnable documents or submission guidelines.

Bidder must submit a test area for visual quality and consistency assessment. Evaluation criteria include: Terrain Detail (sharpness, topological clarity of structures, trees, farmland), Contrast (dynamic range, no clipping of highlights/shadows), Colour (true representation of terrain and topological detail at time of capture), Tonal Balance (consistent highlights, shadows, midtones; RGB histograms may be reviewed), Lens Flare (no scattering or flaring causing loss of detail, colour, or pixels), Shadow Density (detail must be observable in shadow areas), Shadow Length (must not obstruct or distort topographical detail), Artefacts (no visible defects like hotspots, clouds, or cloud shadows obstructing detail). Imagery must be deemed acceptable for NGI requirements. The Reprographic Unit manager signs off on the assessment accuracy.

Supply 0.25m Ground Sample Distance (GSD) digital colour aerial imagery for Ulundi. Imagery must meet the following visual quality and consistency standards: Terrain detail must be sharp and topologically accurate (e.g., structures, trees, farmland). Contrast must preserve dynamic range without loss of detail. Colour must be a true representation of the area at the time of capture. Tonal balance must be consistent across highlights, shadows, and midtones. No lens flare, excessive shadow density, or shadow length distortion. No artefacts (e.g., hotspots, clouds, cloud shadows) obstructing detail.

Chief Directorate: National Geospatial Information. Postal: Private Bag X10, Mowbray, 7705. Physical: Van der Sterr Building, Rhodes Avenue, Mowbray, 7705. Tel: 021 658 4300. Fax: 021 658 4357. Primary contact: Mr Mbuyiselo Mbewana (Control Survey Technician). Approval authority: Aslam Parker (Chief Director or delegate).

Submit the following returnable documents: (1) Plan of the test area. (2) Coordinates, height, and description of each Photo Ground Control (PGC) point. (3) Enlargements marking PGCs at a scale allowing easy identification. (4) All additional information as stipulated in the 'Acquisition for Digital Aerial Imagery' standard (v7). Non-compliance with these requirements may result in disqualification.

Primary evaluation is based on the successful completion of the operational test as per the 'Acquisition for Digital Aerial Imagery' standard (v7). Key criteria: (1) Sensor system must demonstrate capability to deliver imagery meeting CD: NGI technical specifications. (2) Test area must be approved by CD: NGI. (3) Test area must contain a minimum of four surveyed PGC points (one in each corner of the block). (4) Test area must feature diverse terrain: built-up areas, undulating terrain (preferably steep slopes), water bodies, roads, cultivated/vegetated areas, and natural features (e.g., rivers). (5) Failure to meet test requirements may lead to prohibition of the sensor system by the Chief Director.

Scope: Supply 0.25m Ground Sample Distance (GSD) digital colour aerial imagery in Ulundi. Operational test requirements: (1) Test area must be flown at 0.25m GSD using the same aircraft/sensor/peripheral equipment as the main programme. (2) Imagery must include at least two adjacent strips with 55-65% forward overlap and 20-30% sidelap. Tie strips must traverse the start and end of east-west strips to tie the aerial triangulation block. (3) Orthorectified imagery must cover at least 15 minutes (5 orthophoto sheets) East-West and 6 minutes (2 orthophoto sheets) North-South. (4) Full stereoscopic coverage within usable image portions is mandatory. (5) Ground Control Points (GCP) accuracy: ±0.068m (easting/northing) and ±0.12m (height) at 2σ confidence, with maximum permissible errors of ±0.10m and ±0.30m respectively. (6) Test area must have ≥4 surveyed PGC points (one per corner) and feature diversity: built-up areas, undulating terrain, water bodies, roads, vegetation, and natural features. (7) CD:NGI-approved test areas include Hartebeestpoort Dam (North West), Franschoek (Western Cape), and Queenstown (Eastern Cape). (8) Sensor must pass operational test; failure may lead to prohibition. (9) All test areas and PGCs must be pre-approved by CD:NGI.

Eligibility criteria are not explicitly stated in the provided document. Refer to the main tender document for standard evaluation criteria such as company registration, tax compliance, relevant experience, and technical capability.

Scope: Supply 0.25m ground sample distance digital colour aerial imagery for Ulundi. Required deliverables and compliance:

• GNNS_INS file: Must include positioning details, camera integrations with GNNS/INS systems, boresight calibration, image identification, 3D image centre coordinates, exterior orientations, timestamps, and exposure dates. Conform to 'sample_GNNS_INS_DATA.TXT'.
• Camera file: Must contain parameter settings for stereo model setup in the Digital Photogrammetric Workstation (DPW) system. Conform to 'sample_camera.txt'.
• Project file: Must include project parameters for DPW and aerial triangulation. Conform to 'sample_project.txt'.
• Model file: Must contain model sequence identification for the entire job. Conform to 'sample_model.txt'.
• Photo file: Must include photo parameters for every photo in the area of interest (AOI). Conform to 'sample_photo.txt'.

All files must be archived per job as per the ITIS standard logical file structure.

• Technical Enquiries: Dr. Luncedo Ngcofe. Telephone: (021) 658-4316. Email: [email protected]
• Bid/SCM Enquiries: Mr. Mzubanzi Mntumni. Telephone: 079 529 4065. Email: [email protected]
• Demand and Acquisition Management Enquiries: Mr. Sicelo Zwane. Email: [email protected]
• Submission Address: Bid Box, Foreshore Place, Ground Floor, 2 Riebeek Street, Cape Town, 8000.

• Submit your bid in a sealed envelope with the following details: Bidder name and address, Bid number (SSC WC 05 (2026/2027) DLRRD), and Closing date (22 May 2026). Failure to comply will disqualify your proposal.
• Deposit the bid in the Bid Box at: Foreshore Place, Ground Floor, 2 Riebeek Street, Cape Town, 8000. The Bid Box is open 08:00 to 11:00, Monday to Friday.
• Bids received after 11:00 on 22 May 2026 will not be accepted. Couriers must drop proposals inside the Bid Box; no waybills will be signed.
• Complete and return all attached forms: General Conditions of Contract (GCC), SBD 1, SBD 2, SBD 3.1, SBD 4, SBD 6.1, SBD 8, SBD 9, and Terms of Reference.
• All SBD forms must be signed in original with black ink. Do not retype the official forms.
• Submit proof of authority to sign the bid (e.g., company resolution).

• General Requirements: Must be registered on the Central Supplier Database (CSD) or provide a valid Tax Compliance Status (TCS) PIN. Must not be listed in the Register for Tender Defaulters or the List of Restricted Suppliers. Must comply with tax obligations (valid TCS certificate or PIN). Must submit all required documentation (SBDs, tax compliance, B-BBEE status, etc.).
• Technical Requirements: Must demonstrate capability to supply 0.25m Ground Sample Distance (GSD) digital colour aerial imagery meeting the specified technical standards. Must provide separate pricing for each job as per the provided table.
• Legal Requirements: Must not have engaged in corrupt, fraudulent, or collusive practices. Must declare any conflicts of interest or relationships with state employees.

• Scope: Supply of 0.25m Ground Sample Distance (GSD) Digital Colour Aerial Imagery for the Ulundi area under the Chief Directorate: National Geospatial Information.
• Coverage: Multiple quarter-degree areas including Hlobane, Pongola, Ndumu, Kosibaai, Jozini, Ulundi, Umfolozi, Eshowe, Empangeni, Mtubatuba, and KwaDukuza.
• Deliverables: Must meet the technical standards specified in the bidding documents. Bidders must provide detailed costing for each individual job/area as per the pricing schedule table (e.g., area in sq km, percentage, total cost).
• Pricing: Separate, non-discounted prices required for each bid/item. No conditional pricing based on securing other bids is accepted.

• Use the provided SBD 3.1 Pricing Schedule for Professional Services.
• Prices must be quoted in South African Rand (ZAR) and include all applicable taxes (VAT, PAYE, income tax, UIF, skills development levies).
• Provide a total offer price inclusive of VAT. Payment will be made at the completion of each job.
• Bid price must be valid for 90 days from the closing date (22 May 2026).
• Indicate if quoted rates are firm for the full contract period. If not, provide details of the price adjustment basis (e.g., Consumer Price Index).
• Total cost must include all hidden costs. Separate costing for each job is mandatory.

• Tax Compliance: Submit a SARS-issued Tax Compliance Status (TCS) PIN. Alternatively, if registered on the Central Supplier Database (CSD), provide your CSD number. For consortia/JVs/subcontractors, each party must submit a separate TCS certificate/PIN/CSD number.
• B-BBEE: Submit a valid B-BBEE Status Level Verification Certificate or Sworn Affidavit (for EMEs & QSEs) to qualify for preference points.
• Foreign Suppliers: Complete the supplied questionnaire regarding residency, establishment, and tax liability in South Africa. If not a resident or liable for taxation in South Africa, a TCS PIN is not required.
• Restrictions: Ensure you are not listed on the Register for Tender Defaulters or the List of Restricted Suppliers (automatic disqualification).
• Authority: Submit proof of authority (e.g., board resolution) for the person signing the bid documents. For partnerships, all partners must sign unless authorization is provided.
• Disclosure: Declare any employment by the state or relationships with state employees that may constitute a conflict of interest.