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the round house 1999
launceston, N E, tasmania
A new roof structure, designed to
provide a new covered area for
markets, has been fabricated to cover
part of the annulus shaped concrete
slab, which is all that remains of the
original locomotive roundhouse at
the Inveresk Railway Workshops.
The overall shape echoes the former
vernacular loco shed, but with its
14 metre clear span and distinctive
suspended roof structure, it makes a
dramatic new form on the Inveresk
site.
The curved shape was determined
by buckling a rectangular plane, thus
both the inner and outer edges are
in fact the same overall length. The
structure is combination of curved
steel vaulted forms and suspended
tensioning cables.
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The ridges are clad
in clear polycarbonate sheeting, with
the remainder of the roof and walls
sheeted in corrugated iron. The rear
is closed as was the original shed,
but the inner side has been left open,
but provided with removable fabric
screens, instead of replicating the
shedʼs former doors.
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