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GEOMARK engineers with dual GNSS stations on road corridor survey

Flagship Road Project Somalia

Case study detailing the geodetic staking, field soil investigations, and CAD alignment files delivered for Somalia's critical trunk road network.

NATIONAL CORRIDOR PROJECT CASE

Afgoye – Baraawe National Trunk Road Corridor

Afgoye–Buulo Mareer Section (95 km)

GEOMARK was commissioned to perform comprehensive land and engineering surveying, establish redundant geodetic control loops, and direct geotechnical subsurface boring logs along the 95 km Afgoye – Buulo Mareer section. This segment serves as a major trade and transport connection.

GEOMARK supervisor engineer with GNSS rover on Afgoye–Baraawe corridor

Completed Work Scopes

1. Geodetic Control Networks

Established dual-frequency GNSS loops with 2cm absolute accuracy bounds.

2. Subsurface Soil Profiling

Performed boring tests up to bedrock levels in alignment areas.

3. Borrow-Pit Index Logging

Conducted sieve analysis, grain size distributions, and CBR profiling.

4. CAD Alignment Delivery

Rendered strip maps and cross-sections formatted in Civil 3D.

Project Technical Specifications

  • Trunk CorridorAfgoye – Baraawe Highway
  • Active SectionAfgoye–Buulo Mareer Segment
  • Route Length95 Kilometers (95 km)
  • Regional TerritoryLower Shabelle Region, SO
  • Client BodyFederal Government of Somalia, Ministry of Public Works
  • Technical Code ComplianceWGS84 UT-38N // AASHTO
EXEC_VERIFICATION100% REGULATORY ACCREDITED
100%
Field Data Verification
Zero alignment re-runs required across the entire 95 km footprint.
FIELD DOCUMENTATION

On-Site Photography

Documentation captured during geodetic staking, geotechnical boring, and materials survey operations along the Afgoye – Baraawe corridor.

GEOMARK team with GNSS rover on the Afgoye–Baraawe corridor

Corridor GNSS Setup

Engineer setting up GNSS RTK base station for road corridor control

GNSS RTK Base Station

GEOMARK engineer using AL24 optical level for precise elevation survey

Precision Levelling Operations

GEOMARK field engineering team coordination at GNSS station

Team Field Coordination

CHCNAV dual-frequency GNSS antenna used in precise geodetic surveys

CHCNAV Survey Equipment

GEOMARK surveyor with optical level on Afgoye–Baraawe road corridor

Road Elevation Survey

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