A volumetric survey is merely an application of topographical surveys in order to accurately quantify the volume of specific material removed / placed at a location.  It fundamentally serves that in most cases a “before” and “after” topographical survey would need to be conducted in order to accurately calculate the difference in volume of material which was either removed or placed.   The survey acquisition methodology we employ can comprise any of the following survey technologies in isolation or in combination depending on the specific nature, size, site conditions and imposing factors such accessibility, safety etc, together with budget and time considerations:

  • Conventional Ground Surveys using either GPS or Total Station Survey Equipment;

  • 3D Laser Scan Surveys using either Terrestrial Laser Scan or Mobile Laser Scan Equipment; and/or

  • Remote Sensing Surveys using either Satellite Imagery (repetitive), Digital Aerial photography & LiDAR surveys (fixed wing aerial platforms), or UAV photogrammetric surveys (Drones);

  • Single Beam Echo Sounder (SBES) and/or Multi Beam Echo Sounder (MBES) Bathymetric Surveys (used to accurately determine underwater volumes)

KEY BENEFITS

  • Being able to employ any of (or in combination) conventional ground survey technologies, remote sensing technologies, 3D Laser Scan survey technologies and/or SBES / MBES Bathymetric Survey Technologies we can tailor volumetric surveys solutions to your exact requirements in the most time and cost-effective manner;

  • The accuracy in the volumetric determination reduce your overall project cost and risks, and furthermore complement and enhance your Quality Control Systems employed on any Construction Project.

TYPICAL APPLICATIONS

Typical applications will comprise the following (but not limited to):

  • Determination of accurate volumes on:

    • Stock Piles (any material)
    • Land Fills
    • Borrow Pits and Quarries
    • Mine Tailings
    • Material / Grain / Fertilizer stored in Silos
    • Open Pit Mines
  • Determination of accurate volumes for earthworks on construction and landfill projects

  • Determination of accurate volumes in areas within hazardous zones and confined spaces

  • Determination of accurate volumes for payment and as-built records for –

    • Reclamation;
    • Excavation on Open-Pit Mines;
    • Landfills;
    • Construction projects (Cut-and Fill volumes, pavement layers etc)
  • Computation of accurate volumes in non-liquid material in tanks

  • Determination of accurate volumes in dams, ponds, lakes etc.

TYPICAL DELIVERABLES

Trail Surveys offers the following typical survey deliverables for remote sensing surveys:

PHASE OF THE SURVEY

DESCRIPTION

SURVEY DATA DELIVERABLE

FORMAT IN WHICH DATA CAN BE DELIVERED

FORMAT #1

FORMAT #2

FORMAT#3

Survey Control

Co-ordinate List (only)

Soft Copy File

MS Excel

PDF

ASCII Txt

Co-ordinate List included in Survey Report

Soft Copy File

MS Word

PDF

Separate Survey Control Report

Soft Copy File

MS Word

PDF

Detail Topographical Surveys

Digital Terrain Model (DTM)

Point Data

ASCII Txt

(AutoCAD) .DWG

.DXF

Triangles / Surface File

Modelmaker.tot

Civil Designer.cdm

Land XML

Tile Index (If Applicable)

(Microstation) DGN

(AutoCAD) .DWG

.DXF

Contours

3D Un-smooth, Labelled

(Microstation) DGN

(AutoCAD) .DWG

.DXF

Contour 2D Heat Map

JPEG

PDF

Detail Line Mapping (Vector)

2D Drawing

(Microstation) DGN

(AutoCAD) .DWG

PDF

Long Sections

(Microstation) DGN

(AutoCAD) .DWG

.DXF

Cross-Sections

(Microstation) DGN

(AutoCAD) .DWG

.DXF

Sections (Other)

(Microstation) DGN

(AutoCAD) .DWG

.DXF

REQUIRED INFORMATION FOR OFFICIAL QUOTE

We understand that every project, site and client is different – as are their expectations of the required survey deliverables.  In order to “sharpen the pencil” and offer you the most cost and time effective geomatics solution, fit for the purpose you require the survey, we would need to acquire the following information from you:

  • Location of the survey – ideally a “Google Earth Placemark” send to us in kml/kmz format

  • The purpose of the survey – this serve as an indication of the required level of accuracy required

  • Required accuracies (planimetric and vertical)

  • Specific detail which need to be surveyed

  • Details on the presentation of the survey data

    • Hardcopy / Softcopy
    • CAD Specifications / Drawing Layout
    • Digital data formats required for integration into your design / cad software
  • Specific logistic constraints getting access to the specific area of interest

  • SHEQ Requirements (Medicals / inductions / onboarding / PPE / Mine-ready vehicles etc)

  • Schedule / Program – Should a staggered delivery be required we can work with you to provide critical data at key dates throughout your project.