GCARMO
Basic engineering studies

Field data

Basic engineering studies

Our own field crews and state-of-the-art equipment for precision surveys.

Services / 02

Our firm provides Consulting and Basic Engineering Studies services, specializing in preliminary studies using state-of-the-art equipment that guarantees high precision. Our expert team, backed by more than 40 years of experience, collects on-site data on physical and environmental conditions, adapting to each project's specifications.

The results obtained are essential for creating detailed BIM models during the basic engineering phase, allowing an accurate visualization of the site's real characteristics — fundamental for the development of detailed engineering. These models meet rigorous quality standards in precision and outcome. Our personnel, who make up the field crews, are responsible for collecting physical information according to different specialties; they have more than 40 years of experience and certifications for the correct use of the most modern equipment on the market.

In detail

What this service includes

Topographic and geodetic surveys

01

Topographic and geodetic surveys

These consist of precise measurement of the position, elevation, and configuration of the terrain using dual-frequency GNSS equipment, total stations, and precision levels. These surveys are the geometric foundation of any project: the design of roads, platforms, foundations, and utility networks is built upon them. Our crews work both in urban areas and in hard-to-reach terrain, such as riverbanks and lake areas, georeferencing every point with centimeter-level precision.

Geological and geophysical studies
Geological and geophysical studies

02

Geological and geophysical studies

These analyze the composition, structure, and behavior of the subsurface using indirect methods such as refraction seismology and electrical resistivity, complemented by geological interpretation of the area. These studies allow subsurface conditions — faults, cavities, water table, rock or soil type — to be anticipated before drilling, reducing risks and unforeseen issues during construction, especially in linear infrastructure works and industrial platforms.

Geotechnical and soil mechanics studies

03

Geotechnical and soil mechanics studies

These determine the load-bearing capacity of the soil and its mechanical properties through standard penetration tests (SPT), dynamic tests (DPSH, DPH), and undisturbed sample recovery for laboratory testing. This information defines the appropriate foundation type for each structure — shallow or deep — and identifies risks such as expansive, soft, or liquefaction-prone soils, fundamental for the safe design of any building or road.

04

Topo-hydraulic studies

These assess the hydraulic behavior of channels, watersheds, and drainage works: design discharge, flood levels, flow velocities, and the conveyance capacity of channels and hydraulic structures. They are essential for the design of bridges, culverts, channels, and stormwater drainage systems, as well as for assessing a site's flood risk before construction.

05

River and offshore bathymetric studies

These measure the depth and configuration of the bottom of rivers, channels, and coastal areas using echo sounders and GNSS positioning equipment, generating plan and bed profile drawings. These studies are the basis for dredging projects, navigation channel maintenance, underwater pipeline crossings, and port works, such as the work we carried out in the access channel of the Port of Frontera, on the Grijalva River.

06

As-Built preparation (Scan to BIM)

We document existing facilities through 3D laser scanning, converting the captured point cloud into detailed BIM models that represent the real geometry of structures, pipelines, and installations with millimeter precision. This service is key when original construction records are unavailable or do not match the actual facility, and it is essential for expansion, remodeling, or maintenance projects of operating industrial plants.

07

Construction and surveying expert appraisals

We produce independent technical opinions on the condition, dimensions, or regulatory compliance of an existing construction or survey, supported by field measurements and photographic documentation. These appraisals are used to resolve contractual disputes, verify compliance with executive projects, or assess damage or impacts to structures.

08

Cadastral surveys

These consist of the precise measurement and delimitation of properties for regularization, deed registration, or land merging and subdivision, in accordance with current cadastral regulations. We generate the drawings and technical documentation required for filings with the public property registry and municipal or state cadastral authorities.

Reference cases

River and offshore bathymetric studies

Detailed drawings for the comprehensive analysis project on pipeline replacement at river right-of-way crossings, with channel design based on hydrological, hydraulic, and scour studies ruled on by the CNA.

Bathymetric study

River and offshore bathymetric studies

Executive project for the maintenance of the access navigation channel, river mouth, and river at the Port of Frontera, Tabasco, with general plan and bathymetric profile.

This type of study relies on the same technology we use to geoposition more than 3,500 km of Pemex pipelines and survey more than 100,000 m² of industrial facilities in the southern region.

Soil stratigraphic modeling

Soil stratigraphic modeling based on geological profiles and field tests (SPT, CPT), processed in specialized geotechnical software.

Digital deliverable

Soil stratigraphic modeling

From soundings and soil profiles surveyed in the field, we generate three-dimensional geological models showing the interface between strata and the water table — a direct input for foundation design.

Digital terrain model

Digital terrain model (DTM) generated from point clouds and field topographic data.

Digital deliverable

Digital terrain model

The DTM is the foundation of all engineering development: roads, platforms, and structures are laid out on it with the certainty of knowing the site's real surface.

Scan to BIM (As-Built)

Point cloud converted into a BIM model of an existing industrial facility: structure, pipelines, and installations represented with millimeter precision.

Digital deliverable

Scan to BIM (As-Built)

As-Built surveying using laser scanning allows us to precisely document existing facilities, essential for expansion, maintenance, or remodeling projects.

State-of-the-art equipment

Technology for collecting
physical field data

GNSS positioning

GPS Topcon GR-3

  • Dual frequency · GPS + GLONASS + Galileo
  • 72 universal G3 tracking channels
  • Cable-free base–rover operation
  • Ultra-rugged build for fieldwork
Geotechnics

SPT TEC-10 penetrometer

  • SPT · DPSH · DPH tests
  • Undisturbed sample recovery
  • Reduced weight: 850 kg · tracked carriage
  • Automatic hammer system
Geophysics

Seistronix RAS-24 seismograph

  • 24-bit A/D resolution
  • 12 or 24 channels per module (up to 240)
  • DownHole data acquisition
  • Impact-controlled wave source
Drilling

Fraste Mito 40 drill rig

  • Kubota diesel engine, 74 kW (100 hp)
  • Micropiles · anchors · ground improvement
  • Diamond rotary drilling
  • Mining exploration and civil works
Electrical testing

Megger DET2/2

  • Earth connection and resistivity testing
  • High resolution: 1 mΩ
  • BS 7430 · VDE 0413 · IEEE standards
  • Rugged instrument with IP54 protection
Instrumentation

Certified field crews

  • Total stations and precision levels
  • Controlled seismic wave generator
  • All-terrain equipment for lake areas
  • +40 years of field experience
From the field to the model

Digital deliverables

  • Digital terrain model (DTM)
  • Soil stratigraphic modeling
  • Scan to BIM · As-Built
  • River / offshore bathymetric plan and profile
← Previous · Planning and development of strategic–complex projects Services Next → · Detailed engineering development

Contact

Let's build your next project

Tell us the scope of your project or study and we'll present a tailored technical and economic proposal.

Email us
Base Villahermosa, Tabasco · MexicoCoverage internationalDistinction ESR · Socially Responsible Company