(47c) The Importance of SAFETY DESIGN On NEW Refinaries

THE IMPORTANCE OF
SAFETY DESIGN ON NEW REFINARIES

The industrial safety designs as part
of the set of documents required for the phases of basic and detailing design
add value to the business resulting in several positive impacts on new refinaries. These impacts result in cost optimization and
reduction of operational risks.

The cost optimization and risks
reduction are achieved through a good development of
safety designs which are considered indispensable in the scope of
this discipline. They are: Fire and Gas Detection Design which includes
the Toxic and Flammable Gases and Vapors Dispersion Study using the tool
CFD (Computational Fluid Dynamics), Fireproofing Design, Area
Classification Design and the General Safety Plan and all of them using
Electronic Model and the generation of 3D views.

Along with the tools above mentioned,
another important issue that deserves to be mentioned is the
preparation of all technicals criterias
which support these designs.

The aims of these four designs are
described as folow: The Fire and Gas Detection
Design aims to determine the coordinates of the axes x, y and z of the
fire and gas detectors of the plant and thus increase the probability of
detection reducing the response time of the spill or leakage scenario and defines
what are the best detectors technologies to be adopted.

Fireproofing design aims to define the
structures, support equipment, pipes and electrical circuits / instrumentation
that should receive passive protection preventing its indiscriminate application
and oversized.

The Area Classification design aims to
define the areas which have the possibility of formation of explosive
atmosphere in order to support the proper selection of equipment and
systems to be installed in industrial units. 

Finally the General Safety Plan aims
to represent which devices are necessary to fight and prevent fires and
gas/liquids leakages on the new refinarie
units, such as deluge systems, fire and gas detectors and theirs technologies,
the automatic and manual monitors and the best location of escape routes.

Keywords:
Safety, Design, Fireproofing, Gas Dispersion Study, Area Classification

Figure 01: Gas
Dispersion Study

Figure 02: Gas
Dispersion Study

Figure 03: 3D
Fireproofing Envelope

Figure 04: 3D Extended
of Classfied Area