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GEOMARK team operating GNSS survey equipment on a road corridor in Somalia

Engineering & Surveying Services

Delivering precise spatial measurements, stable soil analysis metrics, and checked Civil drawing alignment sets.

FIELD MEASUREMENTS SUBSURFACE DRILL TESTS AASHTO/ASTM DESIGN
GEOMARK engineer setting up GNSS base station on road corridor survey

SURVEY PRECISION

± 2.0mm

CAPABILITY DIVISION 01

Land & Engineering Surveying

Our surveying division establishes stable high-accuracy geodetic control networks using dual-frequency GNSS receivers and precise total stations to guarantee coordinate consistency on infrastructure grids.

Geodetic Grid Establishment
Topographic Surveying
Demarcing and Cadastral Layouts
Road Alignment Setting Out
DIVISION SPECIFICATION

Land Survey Specs

  • GNSS_MODE Dual-Frequency GNSS RTK
  • VERTICAL_PRECISION ± 2.0mm
  • HORIZONTAL_PRECISION ± 1.5cm
  • OUTPUTS CAD / LandXML / Contour
  • LIMITS Geodetic loop control
Quality Assured Compliance
CAPABILITY DIVISION 02

Geotechnical Investigation

We mitigate subsurface construction risk by managing comprehensive site boring logs, Standard Penetration Tests (SPT), test pits, and laboratory classification reports.

Standard Penetration Test (SPT)
Log Classification (USCS)
Trial Pit Logs & Ground Profiling
Physical Lab Suite (Sieve & CBR)
DIVISION SPECIFICATION

Soil Investigation Specs

  • TEST_CODE ASTM D1586 Standard
  • MAX_DEPTH 50 Meters SPT boring
  • LAB_CLASSIFICATION USCS Soil Standards
  • REPORT_INDEX Shear / Sieve / CBR log
  • RECOMMENDATIONS Shallow / Deep foundations
Quality Assured Compliance
GEOMARK engineers setting up dual GNSS station for geodetic survey
GEOMARK engineers reviewing survey data on field data controller
Engineer operating GNSS rover with data controller on corridor
CAPABILITY DIVISION 03

Engineering Documentation

We translate our field and soil measurements directly into construction-ready CAD alignments, strip maps, cross-sections, and Bills of Quantities (BoQ) formatted for highway design and civil specifications.

01

As-Built Plans & Cross-Sections

Millimeter-precise terrain cross-sections mapping verified elevations.

02

Technical Corridor Strip Maps

Unified topographic and soil profile overlay maps along highway corridors.

03

Bills of Quantities (BoQ) & Civil Reports

Calculated soil volume estimates and materials classification logs.

DIVISION SPECIFICATION

CAD & Documentation Standards

  • ALIGNMENT_STANDARD AASHTO Design Codes
  • STRIP_MAPS Soil Log / Road corridor overlay
  • CAD_COMPATIBILITY Civil 3D / BIM integration
  • BILL_OF_QUANTITIES Detailed material estimate
  • REVIEWS FEA structural checks
Quality Assured Compliance
04. SPECIALIZED DIVISIONS

Construction Materials Testing (Borrow-Pit)

We manage dedicated geotechnical testing for borrow-pits, structural concrete aggregates, asphalt, and road material suitability.

GEOMARK engineer with precision level staff for elevation survey

Physical Lab Testing

Sieve analysis of soil, index tests, sand equivalent checks, and CBR calculations to document borrow-pit suitability.

Standard: AASHTO / ASTM
CHCNAV dual-frequency GNSS antenna for high-precision geodetic surveying

UAV Photogrammetry

Detailed topographic aerial mapping and orthomosaics. Drones gather volumetric grid points over vast corridors.

Method: Aerial Mapping
DL8 field data logger device used in GEOMARK geodetic operations

Technical Databases

Mapping spatial parameters, control benchmarks, and boring logs into structured relational design databases.

System: Geodetic Spatial DB

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