Beta Testing Now Open

DORAS
Better Dropped Object
Risk Analysis

A comprehensive web-based platform for offshore dropped object risk assessment. DNV-RP-F107 validated with 100x higher spatial resolution than traditional methods.

1m
Grid Precision
25+
Map Layers
25+
Chart Types
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Risk Analysis Chart
Technical Advantages

Go Beyond Traditional Industry Tools

Advanced interactive visual study building and cellular grid-based calculations deliver results in seconds

100x Spatial Resolution
Cellular Grid Analysis

100x Spatial Resolution

Grid-based calculations at 1m² precision versus traditional 10m concentric rings. Identify exactly where risk concentrates for targeted mitigation.

Multi-Source Aggregation
Multi-Source

Multi-Source Aggregation

Calculate cumulative risk from multiple cranes and drop zones simultaneously in a single analysis pass. No manual spreadsheet aggregation required.

Monte Carlo Engine
Probabilistic Simulation

Monte Carlo Engine

Randomization of sensitive input variables using different probability distribution methods to address the inherent variability in risk events.

Dual Energy Methods
Impact Energy

Dual Energy Methods

Choose between the traditional DNV probability distributions or physics-based kinetic energy calculations.

24 Visualization Layers
24 Layers

24 Visualization Layers

Interactive maps with probability density, hit frequency, damage severity, drop cones, and target overlays. Export to KML for Google Earth.

Validated Results
Standards Compliant

Validated Results

DORAS results have been validated against the analysis in DNV-RP-F107 Appendix A with each calculation step being validated.

Simple Workflow

How It Works

From study setup to professional reports in four straightforward steps

1

Define

Draw facilities, pipelines, and equipment targets on the interactive map. Define drop zones and crane locations.

Facilities Targets Cranes
2

Configure

Set object properties, crane lifts, and drop frequencies. Configure energy methods and calculation parameters.

Objects Lifts Frequencies
3

Calculate

Run either deterministic or probabilistic simulations. Results in seconds, not hours.

Monte Carlo Grid Analysis DNV Methods
4

Visualize

Explore interactive maps, generate charts, and produce detailed reports. Export to Excel, KML, and PDF.

Maps Charts Reports
Why Choose DORAS

A Leap Forward in Risk Analysis

Moving beyond the limitations of traditional methods to provide actionable, high-resolution insights

Traditional DNV-RP-F107

Standard
  • Coarse extrapolation from drawings
  • Oversimplified 10m concentric circles
  • Single source point analysis only
  • Limited iteration capability

DORAS Enhanced

Advanced
  • Geospatially accurate target modeling
  • High-res 1m² cellular grid (100x precision)
  • Simultaneous multi-source analysis
  • Instant results for rapid optimization
Engineering Calculators

Integrated Analysis Utilities

DORAS includes several experimental tools for exploring aspects related to dropped object risk assessment

Live

Subsea Blowout Simulation

Model subsea blowout plumes with 100,000-particle 3D simulation. GPU-accelerated physics engine with real-time visualization.

Subsea Blowout Simulation
Live

Fluid Properties

49+ component database with Peng-Robinson and SRK equations of state. Calculate density, LFL, molar mass, and mixture properties.

Fluid Properties
Live

Dropped Object Trajectory

3D physics-based trajectory modeling with current effects, drag coefficients, added mass, and terminal velocity calculations.

Dropped Object Trajectory
Beta

Energy Capacity Analysis

DNV-RP-F107 Section 5.3 energy capacity calculations for pipelines and equipment. Determine D0/D1/D2/D3 damage categories.

Energy Capacity Analysis
Beta

Damage Classification

Input target properties, calculate energy thresholds, and determine damage/release frequencies per DNV-RP-F107 methodology.

Damage Classification
Coming Soon

Gaussian Plume Modeling

Surface pool evaporation and atmospheric dispersion modeling. Calculate mass flux distributions and environmental consequence zones.

Gaussian Plume Modeling
Built For Professionals

Who Uses DORAS?

Trusted by safety engineers and risk analysts in the offshore energy sector

Safety Engineers

Assess dropped object risks for platform operations and lifting activities with DNV-compliant methodology.

Risk Analysts

Generate comprehensive risk assessments with statistical analysis, damage frequencies, and release probabilities.

Lifting Coordinators

Plan and optimize crane operations with precise drop zone analysis and target protection requirements.

Oil & Gas Platforms Offshore Wind Subsea Construction FPSOs & Vessels

Join Us in Better Dropped Object Risk Analysis

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