RiskWare: a technical summary description
The RiskWare system provides and integrated framework for
easy access to advanced tools of technological and environmental
risk assessment, ranging from strategic planning to training
and real-time emergency management.
RiskWare provides a flexible framework and set of components
that can be configured to meet the information needs
of a wide range of risk assessment and management tasks.
For a more detailed description and interface examples, please refer to:
Integrated object data base management for hazardous
chemicals (MSDS) and risk objects such as chemical plants, fuel
depots, gas stations, airports, harbor installations, but also
hospitals, fire engine depots, etc., linked to a
A geographic information system (GIS) for the management of spatial
data and the preparation of background maps and
Document management based on XML/HTML with data base links that integrates
GIS/CAD data, and simulations model results to generate and maintain
Safety Reports and Alarm Plans as prescribed by
96/82/EC, Seveso II.
A suite of simulation and assessment models
for strategic analysis and planning tasks, and
fast emergency simulation linked to an
Embedded expert systems functionality for assessment and estimation tasks;
A real-time Emergency Management
Expert System for operational guidance, that can provide
the framework for the analytical components and data bases, including
Assessment and reporting and documentation functions as well as
External communication control such as the automatic sending of fax
or e-mail messages with dynamically generated content.
RiskWare requires the following basic data sets:
background maps with administrative
satellite data or aerial photography and scanned maps
can be used together with vector maps;
digital elevation model (DEM) for complex terrain;
the system can import data from all
common GIS and IP systems;
road network (geometry) graph for a traffic routing model;
gridded (usually by hectare) or
associated with building block boundaries, required for
exposure assessment; data on population centers such as shopping malls,
schools, large office buildings, etc.
hazardous installations chemical process plants,
storage facilities, loading docks etc,
as well as related relevant objects such as hospitals,
fire stations, civil protection depots, shelters, etc..
time-series of basic meteorological and hydrological data
(half hourly or hourly to daily, depending on the variable),
covering at least one year or the period of interest for
the long-term and stochastic models used for strategic analysis):
wind direction and speed, air
temperature, mixing height, stability class, precipitation.
Mixing height and stability class can be estimated,
if necessary, using cloud cover and/or solar radiation data;
hydrological and possibly oceanographic variables
(flows, levels) for water bodies;
the system can be linked to on-line monitoring networks.
Emergency Management rules and procedures that form the basis of
the real-time expert systems Knowledge Base.
is designed as a modular system; it can integrate a range of
Geographic background data including administrative divisions, land
use and land cover, population data, transportation networks, water bodies,
orography (DEMs), satellite imagery and aerial photography, that are managed
with the embedded GIS;
Observation time-series data, including the linkage to on-line
monitoring stations, and the statistical analysis of these time series data;
Risk Objects for a range of different types
of hazardous installations or infra structural elements relevant for risk
assessment and management tasks; an embedded rule-based expert system
simplifies the task of estimating unknown properties and data;
Document management system that integrates expert system rules, data base,
GIS, and simulations model to generate and maintain Safety Reports
and Alarm Plans in XML/HTML format compliant with
96/82/EC, Seveso II.
Emergency simulation models,
including the fully integrated (embedded)
- spill and pool evaporation model (stochastic)
- diagnostic 3D wind field model, providing input for a
- dynamic multi-puff dispersion model,
- dynamic 3D (multi-layer) Eulerian atmospheric dispersion model
- explosion simulation (TNT and fuel-air charge blast model)
- fire model (pool, trench, BLEVE) (stochastic)
- 1D soil contamination model (stochastic)
- dynamic surface water quality model
- initial assessment model (Metodo Speditivo).
to (optional) complex 3D Lagrangian models for
dispersion of hazardous substances in the atmospheric or
aquatic environment, which are available as client-server applications
using external computer servers (supercomputers or workstations clusters).
The latest built-in (fully embedded) model is
an efficient dynamic 3D (Eulerian) code using a
multi-layer wind field generated by the
3D diagnostic wind model DWM.
Specific applications of these models include:
- simulation of explosion (TNT and a fuel-air charge blast model)
- simulation of chemical fires (pool, trench, BLEVE)
- simulation of toxic spills (includes an evaporation model and
subsequent atmospheric dispersion based on dynamic
multi-puff model using a 3D wind field correction
- simulation of soil/groundwater contamination
- river contamination/fish kills.
A range of additional or alternative models including a groundwater flow and transport model
are in preparation.
Linkage to external models that require super-computer performance
can be accomplished through a generic model communication interface
based on TCP/IP and http.
These main components are integrated with an interactive and
graphical user interface designed for users with little or no
computer experience, and for use under emergency conditions.
RiskWare supports both X11 (CDE) clients on workstations
or PC with X11 emulation (required screen resolution: 1280*1024,
256 simultaneous colors) or (possibly remote, low-bandwidth) clients
with Java enabled web browser software (in preparation,
required screen resolution: 1024*768, 256 simultaneous colors).
Hardware requirements and platform support
RiskWare is currently supported for UNIX servers (SUN Sparc/Solaris, IBM
RS6000/AIX, HP Risc/HP-UX) and under Linux (Intel Pentium, Sparc).
Java client support is platform independent and requires only a Java
enabled browser or applet viewer.
For a RiskWare server, a minimum of 128 MB RAM and 128 MB
swap space is recommended.
For a typical installation, about 2 GB disk space is required;
disk space requirements depend on the amount of geographical data (in
particular satellite images) and monitoring data.
A graphics resolution of 1280*1024 (256 simultaneous colors) is
required for the X11 platforms; PC/NC based Java clients require
1024*768 pixels, 256 simultaneous colors.