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Heat tracing is used to prevent heat loss from process fluids being transported in process fluid pipes, when there is risk of damage to piping, or interference with operation such
as fouling or blockage, caused by the congealing, increase in viscosity, or separation of components, in the fluid below certain temperatures, or when there is risk of formation of corrosive substances or water due to condensation in corrosive services. This prevention of heat loss is accomplished by employing electrical tracing, or steam tracing, and insulating both the process fluid pipe and the tracer together, using appropriate insulation lagging, in an attempt to minimise heat loss from the pipe and tracer to their surroundings.

The existing software that was used to design steam tracing had to be evaluated in terms of its accuracy and reliability, as problems associated with steam tracing designed with the existing software have occurred in the past.
A software simulation had to be designed that could compare theoretical inputs and outputs with that of an existing simulation used to design steam tracing, as well as compare it to existing installed steam tracing, in order to determine where improvements in the software could be made.

The new software had to use the outputs from the existing software as inputs and its outputs had to correspond to the inputs of the existing software. Other important evaluations were also included in the new software.