Evaluate Installed CORS for Sierra Leone Land Administration Project

Original title: Hiring of an Individual Consultant to Evaluate the Installed Continuously Operating Reference Station (CORS) for the Sierra Leone Land Administration Project (SLLAP).

Deadline

July 27, 2026

Closed

Published on June 25, 2026 at 12:00 AMModified on June 27, 2026 at 01:06 AM

Key information

Type: Consulting & Studies
Location: Sierra Leone
Deadline: July 27, 2026 at 12:00 AMClosed
Estimated Value: Not disclosed
Language of Notice: English

What is this tender about?

Evaluate Installed CORS for Sierra Leone Land Administration Project is a consulting & studies procurement opportunity published by Ministry of Lands Housing and Country Planning in Sierra Leone on June 25, 2026. Submissions closed on July 27, 2026. 1 official document is attached below.

Comments on Maintenance and sustainability plan of the CORS Network
A computational analysis of the network using commercial or open-source software for baseline processing and GNSS network adjustment.• Independent quality control analysis report detailing baseline residuals, loop closures, multipath, SNR, cycle slips and coordinate time series, with evaluation against tolerance thresholds and recommendations for corrective measures. • Station evaluation checklists and site visit reports documenting the condition of each CORS station, power and communication infrastructure, maintenance compliance and identified risks. • Training and capacity evaluation report summarising staff competency assessments, effectiveness of existing training programmes and recommended capacitybuilding activities. • User feedback and service evaluation report compiling results from stakeholder consultations, highlighting user satisfaction, service reliability, coverage gaps and suggested improvements. • Recommendations for network improvement, including upgrades to power and communication systems, enhancements to preventive maintenance, integration with international reference frameworks, future network expansion and longterm sustainability strategies. The Project now invites eligible Individuals (“Consultants”) to indicate their interest in providing the Services. Interested Consultants should provide information demonstrating that they have the required qualifications and relevant experience to perform the Services. The minimum qualifications for the Consultant for this assignment are: Required Qualifications and Skills: Minimal Qualification of Personnel Requirement • A University degree in Geodesy, Surveying or Geomatics. • Minimum of 10 years of experience in the geodesy and surveying sector. • At least 5 years of experience managing, designing, and establishing of Geodetic control networks at local and national levels. • Knowledge of procedures of the systems evaluation, and previous experience in the evaluation of the projects on CORS Networks establishment;
Practical experience in CORS Network design, network observation;
Experience in CORS data processing and analysis using modern GNSS software and tools of GNSS data processing;
Knowledge of the procedures and practical experience in the quality control of the project deliverables;
Good knowledge of the standards, specifications and guidelines on the area of the Geodetic Reference Frame and GNSS Networks, including international standard and guidelines (IGS guidelines and procedures, ISO standards in the domain etc.);
Familiar with the UN-GGIM guidelines

What are the key dates?

Publication
June 25, 2026
Bid Submission Deadline
July 27, 2026
Evaluation & Award
Pending
Contract Signature
Pending

Procuring Entity

Name: Ministry of Lands Housing and Country Planning
Country: Sierra Leone
Contact person: Alphajoh Cham
Phone: Create a free account to view

Which documents are available?

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Tender Details
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