!! Fabric And Wood Combine For A Unique Restaurant In Hamilton, New
Zealand's Most Stunning Public Park—in The Heart Of The City !!
!! Fabric Architecture | January 2012 !!
Understand that Hamilton, New Zealand [1], a sophisticated city of
around 200,000 habitants located 120km south of Auckland, had the
foresight to preserve a large (54ha), stream-fed lake, Lake Rotoroa, a
mere five minutes away from its central business district. Also
understand that the city was wise enough to set aside slightly more
than half of the land that fronts the lake (aka Hamilton Lake) in two
unconnected sections as a land preserve and a public park.
Picture a giant glowing, translucent paper lantern turned horizontal
and you have some sense of the dazzling attraction that Hamiltonians
have for the facility that dwells at lakeside: The Verandah [2], café
and function center, designed by Chibnall Buckell Marovic –Team
Architects [3] (CBM/TA).
Built on the site of an old café on the shores of the Hamilton Lake
Domain, the eastern side of Lake Rotoroa, The Verandah includes a
children's playground and sport recreational areas, as well as water
sports activities adjacent to a rose garden on the grounds surrounding
the center. The café has luncheon seating for 140 (or more than 200
for formal affairs such as weddings or business meetings), and
reservable activity rooms. All café and function rooms are designed
to have panoramic views and direct access to the lake and active
outdoor areas to the west.
The building—a precast frame and glass curtainwall box slightly
curved in deference to the lake—is delineated at regular intervals
on the lakeside façade by bent gluelam support columns. A taut white
skin of PVC fabric is tensioned over these laminated ribs to create a
distinctive iconic form that is reflected in the lake's surface.
"The curved steel and timber structure of the canopy is inspired by
nearby playground equipment," says CBM/TA. "And the white membrane
of the canopy is inspired by the boat sails and hot air balloons that
grace the lake." According to the designers, the simple palette of
gray concrete and timber decking recall the rock boulders and timber
boardwalks at the lake's edge.
The Verandah's sustainable design includes highly insulated floors,
walls and ceilings, and double glazed windows and doors. The café has
a passive ventilation system and a floor heated by water supplied from
rooftop solar panels. Rainwater is collected from the roof and used
for flushing toilets, energy-efficient lighting throughout is placed
for maximum efficiency and, most significantly, the tensioned fabric
canopy provides sun and glare control as well as minimizes solar heat
gain. LED uplights underneath the white membrane provide nighttime
glow.
The Verandah garnered a New Zealand Institute of Architects [4] design
award in 2010 and a Registered Master Builders Gold Award [5].
!! Project Specs / Urban(e) Wildlife: How It Was Done !!
Wedge-shaped steel plate brackets cradle the glulam beams and are
bolted to the top of the building's structural columns to make a
nice detail of the connection. Pipe cross bracing in the two end bays
of each end of the canopy and the center bay transition point where
the canopy widens give structural rigidity to the framing system.
Cross bracing in all other bays is done with stainless steel cables
and marine grade fittings and turnbuckles.
Starting at the top back end of each bent wood rib, a continuously
curving track edge (SFX extrusions) on centerline is used to hold the
fabric edges of each bay to the curve of the glulam supports,
terminating at a hold-down point a third of the way down the front
edge of the supports. This brings the bottom edge of the canopy far
enough down to cast a useful shadow on any glass wall behind it to
keep the restaurant interior out of direct sunlight throughout all
seasons. Catenary cables in pockets are welded into the bottom edge of
each bay and tensioned to complete the installation.
See the original post:
Urban(e) wildlife: fabric and wood cover public park restaurant
Links:
------
[1] http://www.hamilton.co.nz/
[2] http://www.theverandah.co.nz/
[3] http://www.cbmarchitects.co.nz/
[4] http://www.nzia.co.nz/
[5] http://www.masterbuilder.org.nz/
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