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Certified Volumetrics

Drone Stockpile Volumetrics

Certified stockpile volume measurements using drone photogrammetry. Faster, safer, and more accurate than traditional survey methods – with same-day results and ±2% volume accuracy for quarries, construction sites, and material yards.

Stockpile survey pricing from €450

Last updated: April 2026

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±2% Volume Accuracy
Same-Day Results
EASA Certified
VOLUMETRIC SCAN
Aerial drone survey of quarry stockpile volumes, Ireland
EASA & IAA
Certified Operators
€6.5M
Public Liability Insurance
500+
Projects Nationwide
Since 2016
Ireland’s Longest-Serving
Same-Day
Volume Reports Available
What You Receive

Key Deliverables

Complete volumetric reporting with certified measurements, visual documentation, and trend analysis for inventory management.

Volume Reports

Certified volume calculations for each stockpile with net volume, base plane definition, and measurement methodology documented.

Cut/Fill Analysis

Comparison between survey dates showing material added and removed, with net change volumes for each stockpile location.

Stockpile Heatmaps

Colour-coded elevation and volume-change heatmaps that visually highlight areas of material gain and loss across your site.

Material Inventory

Complete site inventory listing all stockpiles by material type, volume, and location for asset management and reporting.

Time-Series Comparison

Track stockpile changes over time with multi-date comparisons showing material movement trends and inventory patterns.

Certified Volume Certificates

Formal volume certificates suitable for auditors, insurers, and regulatory compliance with full methodology documentation.

Capabilities

Drone Stockpile Survey Capabilities

What We Measure & Deliver

  • Individual stockpile volumes in cubic metres (m³)
  • Cut and fill calculations against design surfaces
  • Estimated tonnage using material-specific bulk densities
  • Change detection between repeat surveys
  • Surface area and stockpile height measurements
  • Topographical survey integration for full site context
  • CAD-compatible outputs (DXF, DWG, LAS point clouds)

When Drone Volumetrics Is the Right Choice

  • Monthly or quarterly inventory audits for quarries and mines
  • Earthworks progress measurement on construction sites
  • Waste management facility volume tracking
  • Port and harbour material stockpile management
  • Verifying supplier delivery quantities
  • Insurance valuation of stored materials
  • Environmental compliance reporting for local authorities

Need Accurate Stockpile Volumes Today?

We can survey your stockpiles and deliver certified volume reports the same day. No site disruption, no safety risks, no guesswork.

Request a 24-Hour Quote 087 205 2331
±2%
Volume Accuracy
SameDay
Results Available
Zero
Site Disruption
500+
Surveys Completed
Our Methodology

How Drone Volumetric Surveys Work

From flight to final volume figure – step by step. The methodology matters because the base surface choice changes your result.

01

Site Flight

We fly the site using the DJI M300 RTK with either the P1 photogrammetry camera or the L2 LiDAR sensor, depending on the terrain and vegetation cover. Flight altitude is typically 50–80m with 75% image overlap. A site with 10–15 stockpiles takes around 30 minutes of flight time.

02

Point Cloud Processing

Images are processed into a dense point cloud containing millions of measured points across every surface. We define the boundary of each stockpile and calculate volume against a base surface. Accuracy is within 2% on well-defined stockpiles with proper ground control – better than GPS rover surveys (5–10%) and significantly better than tape-and-formula estimates.

03

Base Surface Selection

The volume figure changes significantly depending on which base surface method you use. We always discuss this before processing. Quarries typically use the lowest perimeter point. Construction sites need a natural ground comparison. Stockpiles on concrete pads use a flat plane reference. Choose the wrong base and your volume could be off by 20% – not because the data is wrong, but because the calculation does not match what you are measuring.

04

Volume Report

Each stockpile is reported individually with volume (m³), mass estimate at specified bulk density (tonnes), and comparison to previous survey if requested. We include a georeferenced orthophoto with stockpile boundaries overlaid, cross-section profiles, and a summary table. Format can be CSV, PDF, or integrated into your materials management system.

Accuracy Comparison

Drone Volumes vs Other Methods

Volume measurement accuracy matters when tonnes of material are involved. Here is how the methods compare.

Drone Survey (DSI) GPS Rover Survey Tape & Formula
Typical accuracy±1–2%±5–10%±15–25%
Point densityMillions of pointsHundreds of points5–10 measurements
Time on site30–60 min flightHalf day minimum1–2 hours
Site access requiredMinimalFull traverse on stockpileMust climb stockpile
Repeatable comparisonYes – same methodology each timeDepends on point selectionNot reliably
Audit trailFull georeferenced datasetGPS log fileField notes only

At 2% accuracy on a 10,000-tonne stockpile, the error margin is 200 tonnes. At 20% tape-estimate accuracy, it is 2,000 tonnes. For royalty payments, inventory management, or purchase calculations, that difference is material. Drone volumetrics typically pays for itself on the first survey.

Sample Outputs

What Volumetric Survey Data Looks Like

Every survey produces a 3D stockpile model with calculated volume, surface area, and estimated tonnage – audit-ready records for inventory and compliance.

3D rendered stockpile surface mesh with volume calculation result from drone photogrammetry survey
3D stockpile surface mesh showing volume calculation result – drone survey output, Ireland
Aerial orthomosaic of quarry or aggregate yard with stockpiles labelled showing volume and tonnage calculations
Overhead drone survey heatmap showing stockpile fill volumes, Ireland
Applications

Who Uses Stockpile Volumetrics?

Accurate volume data for inventory management, financial reporting, and regulatory compliance.

Quarries & Mines

Construction Sites

Aggregate Yards

Insurance Audits

End-of-Year Reporting

Waste Management

Payment Verification

Earthworks Monitoring

Understanding Measurement Accuracy and Tonnage Conversion

A drone volume survey measures the geometric volume of a stockpile in cubic metres. Converting that to tonnes requires a bulk density factor specific to the material – crushed stone, sand, topsoil, coal, and aggregate all have different densities and different void ratios depending on how they are stacked. We can apply a density factor to produce a tonnage estimate, but the accuracy of that estimate depends on the quality of the density data you provide. If your site uses a standard density figure that does not reflect actual compaction, the tonnage conversion will carry that error regardless of how accurate the volume measurement is.

We achieve ±1–2% volume accuracy on clearly defined stockpiles with a stable base and good GCP control. Accuracy reduces on stockpiles with poorly defined edges, sloped bases, or where material is partially buried or obscured by other piles.

Our Recommendation

For inventory and payment reconciliation purposes, define the base boundary of each stockpile clearly before the survey – either with marked pegs or by providing us with the agreed base plane from a previous survey. This removes ambiguity in the volume calculation and ensures the measurement is comparable across repeat surveys. We can establish the baseline base plane on the first visit if one does not already exist.

Real Results

Stockpile Volumetric Survey Outputs

Cut/fill heatmaps, volume measurements, and 3D stockpile models from quarry and earthworks surveys.

Aerial drone survey quarry stockpile Ireland
Quarry stockpile – aerial survey providing accurate inventory volumes in under two hours
Drone survey stockpile cut fill heatmap 3D view
3D cut/fill heatmap – volume gain and loss colour-coded for earthworks reconciliation
Drone survey stockpile fill volume heatmap Ireland
Overhead fill volume map – stockpile extent and height for inventory management
Why Choose Us

Why Choose Drone Services Ireland?

Certified volumetric surveys that are faster, safer, and more accurate than traditional methods.

EASA & IAA Certified

Fully certified drone operators with all required licences for commercial operations on quarry and construction sites.

No Safety Risks

No staff climbing stockpiles, no heavy machinery interaction. Drone surveys eliminate the health and safety risks of manual measurement.

Fixed Pricing

Clear, fixed pricing per survey. Ideal for monthly or quarterly measurement contracts with consistent costs.

Same-Day Results

Volume reports can be delivered the same day as the survey. Ideal for time-sensitive audits and inventory checks.

Nationwide Coverage

We operate across all 32 counties in Ireland. No travel surcharges for most locations nationwide.

Auditor-Ready Reports

Certified volume certificates with full methodology documentation, accepted by auditors, insurers, and regulators.

How It Works

Three Simple Steps to Your Data

From site visit to certified volume report – often completed within the same working day.

1

Request a 24-Hour Quote

Tell us how many stockpiles you need measured and how often. We’ll provide a fixed-price quote within 24 hours.

2

We Plan & Fly

We arrive on site, set ground control, and capture your stockpiles from the air. No site disruption – operations continue as normal.

3

Reports Delivered

Receive certified volume reports with heatmaps and material inventory – same day for urgent requirements or within 2 working days.

Request a 24-Hour Quote
See It In Action

Stockpile Volume Survey – Quarry Site

Drone survey of a quarry site producing stockpile volume calculations and inventory report.

Coverage

We Cover All 32 Counties

Nationwide stockpile volumetric survey coverage across Ireland with no travel surcharges for most locations.

Dublin Cork Galway Limerick Waterford
Kilkenny
Wexford
Kerry
Clare
Mayo
Donegal
Meath
Kildare
Wicklow
Tipperary
Belfast

Plus all remaining counties across Ireland. Contact us for your location.

Related Services

Other Services You May Need

LiDAR Survey

Centimetre-accurate point cloud data for DTM/DSM generation and volumetric analysis.

Topographical Survey

Survey-grade aerial topo surveys with GCP control for planning and engineering.

Surveying & Mapping

Comprehensive aerial survey services from orthomosaic mapping to volumetric analysis.

Corridor Survey

Linear infrastructure survey for pipelines, power lines, roads, and rail corridors.
FAQ

Frequently Asked Questions

Everything you need to know about our drone stockpile volumetric service.

Our drone volumetric surveys achieve ±2% accuracy on volume measurements, which is significantly better than traditional bucket-counting or tape-and-level methods. This accuracy is achieved through survey-grade ground control and high-density photogrammetric surface modelling.
No. Drone surveys are conducted from the air, so your site operations can continue as normal during the survey. We coordinate with your site manager to ensure safe separation from active machinery and personnel.
Same-day volume reports are available for urgent requirements. Standard delivery is within 2 working days. For regular monthly or quarterly surveys, we can set up a recurring schedule with consistent, predictable delivery times.
Yes. Our volume reports include full methodology documentation, ground control data, accuracy statements, and are signed and certified. They are accepted by auditors, insurers, and regulatory bodies for inventory valuation and compliance purposes.
Absolutely. A single drone flight can capture an entire yard with dozens of stockpiles. Each stockpile is individually measured and reported with its own volume, material type, and location. This is far more efficient than measuring each pile individually on the ground.
Pricing depends on site size and the number of stockpiles. We offer competitive fixed pricing with discounts for recurring monthly or quarterly measurement contracts. Contact us with your site details for a no-obligation quote within 24 hours.
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