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TEMPE TRANSPORTATION CENTER

CA T PR ION OJ : AR EC TE CH T C MP O E I M TEK MP , AZ UL T LE 40 TI- ON TE ,0 MO ST D SE 00 DA UD 200 EK SQ L IO 8 IN . F TR G T A LE . NSI ED 3 TH PL -ST UB AT O R + IN Y M UM IX ED CE US RT E .

r a i nwa te r har ves t

in te gr a te d mixe d -us e r e t a il

ve get ated green ro o f o n - s ite s olar g ener ation

so l ar shading s k in

bicycl e val et

lo ca l b us s t op s

u n d e r - f l o o r air s u pply

lig ht r a il hub


The Center has been organized to balance efficiency with the best possible work environment. Due to the unique positioning and proportions, the building’s service functions occur within an

expressive core that provides a natural

functions well with LEED Platinum goals. The project incorporates the first climate-appropriate green roof and grey system in Tempe. Every form, material, relationship has more than one purpose or function. The goal was to create a Transportation Center that is a wonderful icon for the community, cost efficient and in harmony with environment.

” CONCEPTUAL SKETCHES

DESIGN INTENTIONS

buffer on the west elevation. A simple, flexible floor plate is adjacent to the core, which allows for protected daylight from the south, north and east exposures. This relationship of service and served spaces works on all three levels, creating efficiencies in plumbing, mechanical and circulation. The simplicity of the office configuration is accentuated with an expressive jewel-like form of the community room. Positioned to be seen from Forest and the intersection of Fifth and College, the community room becomes an iconic symbol for the Tempe community. All glazing on both the office/retail and community room are shaded from direct sunlight. This provides an opportunity to create an architecture that expresses its relationship with our specific environment, which also


Primary Structural System:

STEEL FRAME PERSPECTIVE VIEW

STRUCTURAL CONCEPT

EXPLODED AXONOMETRIC

Steel Frame Columns + Beams @ 24’ o.c. Floor Joists @ 6’ o.c. Structural Concrete + Steel Composite Deck Floor System By using high strength, sized steel members, the column grid is pushed to the interior edge of the building envelope allowing for a completely open floor plate, and a fully glazed envelope.


Structural Loads: Gravity + Live Loads (Vertical) Direct gravity loads and live loads from occupants are transferred via beam or joist to the columns carrying them to the ground. Seismic + Wind Loads (Lateral)

COMPOSITE CONCRETE STEEL DECK

Resisting torsional racking forces caused by seismic or wind loads is a shear wall in which the steel frame system is attached to. A composite concrete steel deck is also used to provide lateral stability.

STEEL FRAME SYSTEM CMU SHEAR WALL

Seismic

LOAD RESISTANCE

Gravity

Live Loads

Wind


FOUNDATION DIAGRAM

Primary Foundation System: Reinforced Concrete Footing 18” x 8”, 9’ depth, steel reinforced Reinforced Concrete Retaining Wall 16”, 8’ depth, steel reinforced Given stable soil conditions, and arid temperate climate, the foundation system, is minimal in depth & frost protection. A shallow foundation footing and basement retaining wall are used to accomodate service and equipment basement space.


STRUCTURE + ENCLOSURE INTEGRATION

PHOTO COURTESY, PHXWEBGUY AT FLICKR.COM

Steel Frame + Glass Curtain Wall: Connected Physical Integration Typ. bolted steel plate serves as intermediary Ordered yet Hidden Visual Integration Bolt details are hidden, but both systems have clean and ordered aesthetic

glass curtain wall system

structural steel frame system


E C OR E TH

The Core + Support Bar: 2ND LEVEL FLOOR PLAN REFLECTING TYP. SYSTEMS

MECHANICAL + SERVICE SYSTEMS

FLOOR PLAN BASE IMAGE COURTESY ARKITEKTON

Electrical, Plumbing, + HVAC Equipment The 3 major building service spaces are arranged along a support bar on all 3 levels. Vertical Circulation Stair and Elevator Systems occur away from the Support Bar, placed at the ‘front of house’ for ease of access.

major hvac equipment

restroom plumbing & refuse

vertical circulation


VERTICAL SERVICES CORE

TWIN CAVITY (CEILING & FLOOR) AIR DISTRIBUTION SYSTEM

VERTICALLY ALIGNED PLUMBING SERVICES WITHIN ‘CORE’

INTERNAL VERTICAL CIRCULATION STAIR & ELEVATORS

EXTERNAL VERTICAL CIRCULATION STAIR


HVAC AIR HANDLER CEILING CAVITY WARM AIR RETURN

HORIZONTAL SERVICES DISTRIBUTION

WARM AIR SUPPLY DUCTS

RAF CAVITY CONTAINING AIR PLENUM & ELECTRICAL

FRESH AIR SUPPLY DIFFUSERS ZONED ELECTRICAL + DATA DISTRIBUTION OPERABLE WINDOWS FOR PASSIVE COOLING & VENTILATION

Ventilation, Electrical, + Data Systems Integration of structure and interior (finished floor) allow for efficient distribution of air and electrical systems.


DISTANCE OF THERMAL BRIDGE IN WESTERN FACADE

DETAILS : DESIGN INTENTIONS

DISTANCE OF THERMAL BRIDGE IN TYPICAL BLOCK WALL

HAS POTENTIAL TO SELF-SHADE UP TO 71% OF HORIZONTAL SURFACE

Detailing for Efficiencies Arkitekton focuses on function in developing design details. Design logic is based around environmental performance and spatial efficiencies. Systems, like the rotated self-shading CMU above, or raised access flooring with integrated air distribution and electric and data wiring, concern themselves with simplicity and reduced energy usage


RAF ALUMINUM THRESHOLD PLATE MODULAR FINISHED FLOOR PANEL THREADED STEEL STUD LEVELING NUT STEEL PEDESTAL TUBE

STRUCTURAL CONCRETE FLOORING STEEL DECKING STRUCTURAL EXPANSION JOINT

DETAILS : MOVEMENT

STRUCTURAL FLOOR JOIST

Raised Access Floor System Detailing for this system includes self leveling legs, accomodating for changes in floor height. Expansion joints are also considered for structural and interior floor system movements.


INTENSIVE NATIVE VEGETATION

SOIL + PLANTING LAYER FILTER FABRIC (FELT OR OTHER MEDIA) DRAINAGE LAYER, 1” PEA GRAVEL FILTER FABRIC (FELT OR OTHER MEDIA) EXTRUDED POLYSTYRENE INSULATION ROOT BARRIER MEMBRANE FULLY ADHERED WATERPROOFING MEMBRANE

DETAILS : WATER RESISTANCE

STRUCTURAL COMPOSITE DECKING

Green Roof System A multilayered planting system absorbs most of the rainwater that falls on the roof. A fully adhered waterproofing membrane and flashing prevents leakage, and guides excess water to the piping for cistern collection.


DETAILS : 3-WAY INTEGRATION

STRUCTURE - STEEL FRAME ENCLOSURE - LOW-E GLAZED CURTAIN WALL (FROSTED DOUBLE PANE) ENCLOSURE - LOW-E GLAZED CURTAIN WALL (TRANSPARENT DOUBLE PANE) SITE/SERVICES - OPERABLE SHADING DEVICE

Solar Heat Gain + Glare Deterence Integrating structure, enclosure, and site/services, the architect maximized natural daylighting, while minimizing heat gain and glare. Operable shading acts as a second skin or barrier for heat and glare reduction, while allowing for connection to the site + landscape.


BIBLIOGRAPHY + CITATIONS

tempe transportation center, web references: Architekton Studio @ http://architekton.com City of Tempe AZ @ www.tempe.gov Otak Architects @ www.otak.com World Architecture News @ www.worldarchitecturenews.com academic & detail references:

REFERENCES + ATTRIBUTIONS

AIA. Architectural Graphic Standards. 11th Edition. Wiley. New Jersey, 2007. Tate Access Floors. Architectural Details, No. 28 Pedestal Conditions PosiLock Access Floor System. @ www.tateaccessfloors.com building images: Intro, Design Intentions, Mechanical + Service Systems, Bibliography - Images, Diagrams, + Quote Courtesy of Arkitekton Structure + Enclosure - Image Courtesy of Phxwebguy at flickr.com

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LE R AR AS CH HW FA 5 O R LL 68 TH 20 . T 09 EC H

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