Tunnel Lighting Design: 3D Modeling Reduces Whole Of Life Cost
Author(s)
R. A. Morrison
Abstract
Increasing populations in cities means more money, energy and time is spent on
the transport of people. Finding more energy efficient methods in designing and
constructing transport infrastructure is essential to the sustainable future of urban
living. This case history paper explains the methods adopted and results achieved
by designing the tunnel lighting system for a typical transport tunnel in Australia
with detailed 3D modelling software in a departure from usual methods.
Transport tunnel lighting systems are usually studied in software models that
assume the tunnel is a symmetrical flat floored and straight sided tube structure.
In most cases transport tunnels are never flat floored, symmetrical or straight
sided. Using a 3D CAD model of the tunnel interior in lighting software capable
of calculating complex spaces a realistic lighting model can be created. This
model is used to comparatively analyse the various lighting products available to
find the best for purpose solution to the design. Whole of life cost analysis is
used to understand which lighting system will provide the lowest overall
operating and maintenance cost.
Calculating the lighting in a 3D model also predicts installed compliance. The
results of a post installation audit of the lighting shows a high level of delivered
accuracy. This translates to a safer driving environment, reduced overall
installation costs, lower whole of life energy consumption, maintenance costs
and reduced carbon emissions when compared to more traditional design
methods.
Keywords: tunnel lighting design, 3D modeling, whole of life cost analysis.
Keywords
tunnel lighting design, 3D modeling, whole of life cost analysis.
Related Book
Other papers in this volume
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