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02FEB 2013

CENTRAL PLAZA LAMPANG / Synthesis Design + Architecture + M.A.A.R Co. Ltd.

Posted in Architecture - Mixed use by * FORMAKERS

Central Plaza Lampang is located in Northern Thailand, just outside of the famed city of Chiang Mai.

The facade design of this 60,000sqm shopping center attempts to capitalize on the buildings freeway-side location by promoting a sense of visual movement and moiré through the installation of a dynamically evolving aluminium composite dia-grid lattice.

The dynamic arrangement of this lattice is carefully calibrated to transform from opaque to transparent to expose and reveal deliberate moments based on the perspective of the viewer. The open lattice is backlit to create a 3D effect within the flat façade.

Color changing LED uplights are utilized to create kinetic effects that activate the wall with dynamic patterns.

In order to maximize efficiency and optimize costs the entire façade was rationalized into 5 pre-fabricated panel types which can be rotated to produce 10 panel variations.

Similarly, the interior design of the 3 story shopping center focuses on the arrangement of atriums and sculpting of soffits to create lateral visual connection between floors and encourage movement through the space. The idea of a dynamic field which stimulates movement is also applied to the arrangement of lighting fixtures in the exposed ceilings and the patterning of the terrazzo floors.

The development of the project has been calibrated to fit tight budget and construction limitations in the rural region of Northern Thailand.

Façade System Description: The main feature façade system consists of a non-linear grid of quadrilateral hoops (loops, ribbons) suspended in a discrete framing system offset from a uniform precast enclosure.

The precast is lit resulting in a backlighting effect visible through the grid of hoops.

The quadrilaterals are formed in aluminium composite panel (ACP) sheet material and each has rounded corners with radiuses defined by the angle formed by the adjacent edges. Trials were conducted with material suppliers to establish minimum achievable radii for the bending process.

Each loop consists of 2 to 4 pieces depending on the radius of the edges of the quadrilateral.

It proved difficult to fabricate flat sheet ACP into a loop in a single piece due to typical rolling equipment configuration and ‘springback’ of curved corners after rolling.

The ACP quadrilaterals are fixed into a linear grid of slim galvanised steel box sections that provide rigidity and transfer loads back to the main perimeter framing offset behind the plane of the quadrilaterals. The steel grid is offset back from the edges of the ACP quadrilaterals such that it is typically concealed.

The grid is open and allows for drainage and ventilation between the quadrilaterals.

The major frames are attached through the precast building enclosure directly back to reinforce the primary structure.

The system, though offset from the building was designed for appropriate local seismic criteria. As the major surface area of the façade is in fact perpendicular to the elevation plane wind loading criteria was developed to ensure that worst case wind load conditions (wind at acute angles) were accommodated in the design.

City:
Chiang Mai,Northern Thailand

Design team:
Status: Completed November, 2012
Client: Central Pattana Public Company LTD.
Location: Lampang, Thailand
Program: Façade design and communal interior design
Area: 60,000sqm total area
7,000sqm Façade
20,000sqm Communal interiors
Project Budget: $670,000 USD (Façade)
$2.2M USD (Interior)
Design Team: Synthesis Design + Architecture (Design Architect)
M.A.A.R Co. Ltd. (Local Architect)
RVK (Structural Engineer)
MITR (MEP Engineer)
WithLight (Lighting Consultant)
Northcroft (Quantity Surveyor)
Façade Associates (Façade Consultant)
PASA Landscape Co. Ltd (Landscape Designer)
Project Credits: Alvin Huang, AIA (Design Principal), David O. Wolthers,
Thomas T. Jensen, Jurgen Strohmey

Status:
Completed

Website:
http://www.synthesis-dna.com

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