CMA Headquarters Tower Riyadh, Saudi Arabia. Roger Soto, Design Principal, HOK

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Beatrice Melton
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1 CMA Headquarters Tower Riyadh, Saudi Arabia Roger Soto, Design Principal, HOK

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4 King Abdullah Financial District: million SM Site million GSM Mixed-use CMA Tower Council on Tall Buildings 4

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8 76 Stories 1.9 Million SF 385 Meters Council on Tall Buildings 8

TEST FIT LOW RISE: TYPICAL MULTI-TENANT Six Tenant Option: Office: 6 per tenant

4 sm/person TEST FIT MID RISE: TYPICAL MULTI-TENANT Three Tenant Option: Small

Tenant Office: 19 Workstation: 25 Floor Total: 91 17.

9 TEST FIT LOW RISE: TYPICAL MULTI-TENANT Six Tenant Option: Office: 6 per tenant Workstation: 9 per tenant Floor Total: sm/person TEST FIT MID RISE: TYPICAL MULTI-TENANT Three Tenant Option: Small Tenant Office: 7 Workstation: 9 Medium Tenant Office: 14 Workstation: 17 Large Tenant Office: 19 Workstation: 25 Floor Total: sm/person TEST FIT HIGH RISE: TYPICAL CMA Single Tenant Option: Office: 40 Workstation: 73 Floor Total: sm/person Council on Tall Buildings 9

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11 Low Rise, Standard Elevators Low Rise, TWIN Elevators 1 1

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15 SOLAR SHADING SYSTEM INCORPORATES SOLAR PROTECTION AND MAINTENANCE ACCESS 1 5

CATWALK Provision for extensive building maintenance program is utilized to create highly effective horizontal shading of vision glazing FIN SHADING DEVICES 400 mm shading elements provide

16 1 6 ENERGY PERFORMANCE Enclosure exceeds ASHRAE 90.1 standard by 17% and contributes to 6.5% savings in Total Building Energy use. EXTERIOR GLAZING Triple glazed unitized enclosure system with floor to ceiling glass targeted to 45% VLT. Automated internal shading optimizes day lighting of office zones to below 2000 lux. CATWALK Provision for extensive building maintenance program is utilized to create highly effective horizontal shading of vision glazing FIN SHADING DEVICES 400 mm shading elements provide solar protection tuned to specific solar exposures. Acts in fulfillment of Client desire for exhibitive response to climate.. Council on Tall Buildings TYPICAL ENCLOSURE EXTERNAL CHASSIS HOSTS SHADING, MAINTENANCE AND POTENTIAL FUTURE SOLAR TECHNOLOGY

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20 FEATURES: Three (3) fixed building maintenance units (BMU s) at roof with long reach booms provide access to entire tower height. Council on Tall Buildings

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22 TOWER ARCHITECTURE PV ARRAY CROWN TOWER ENCLOSURE AND INTEGRATED PV ARRAY GENERATE 1% OF BUILDING ENERGY 2 2

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26 2 6 SHROUD SUPPORT BUILD-UP

27 EXTERIOR SHROUD SUPPORT SYSTEM BLADES ARE ANCHORED TO PRIMARY STRUCTURE AT FLOOR AND INTERMEDIATE LEVELS PIANO HINGE DETAIL PREVENTS ROTATION OF DIAGONAL BLADES BLADES ARE 316 STAINLESS STEEL 2 7

28 SHROUD KITE PANEL MOCK-UP 304 stainless steel 6mm perforation yields 58% open per surface Shading through two surfaces Ultimate yield is approximately 50% shading including unobstructed aperture per panel 2 8

29 SHROUD KITE PANEL DESIGN OPTIONS Exploration to optimize desired shape against structural criteria 2D kite is heavier material with center stiffening rib 3D kite is thinner material with internal stiffness derived from dimensional folding of planes 2 9

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31 MASTERPLAN REQUIREMENTS Energy consumption must be 50% below average Riyadh building stock or 50% below 500 kwh / m2 per annum. BUILDING AREA 185,000 m2 CONSUMPTION TARGET x 500 = 92,500 mwh per annum (to meet a 50% reduction) CURRENT PERFORMANCE Chilled water 26,143 mwh Electricity 17,745 mwh TOTAL 43,888 mwh YIELD CMA tower will consume only 24% of the energy of an average Riyadh building. Council on Tall Buildings 3 1

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34 CAPITAL MARKET AUTHORITY Riyadh, Saudi Arabia Council on Tall Buildings

The Carpenter Center for Visual Arts, Harvard University Analysis 4 th and 5 th Floor Studio Spaces

Homework #6 4.492 Daylighting November 5, 2004 Ed Rice The Carpenter Center for Visual Arts, Harvard University Analysis 4 th and 5 th Floor Studio Spaces The Carpenter center for Visual Arts was completed