Design Excellence in High Performance Facades MARK P. SEXTON FAIA LEED AP BD+C KRUECK+SEXTON ARCHITECTS
FEDERAL OFFICE BUILDING
MIRAMAR, FL
DESIGN TEAM
CHICAGO
MIRAMAR BROWARD COUNTY
EVERGLADES TODAY
PROJECT SITE
CONTEXT - 30,000 FEET
EVERGLADES
EVERGLADES
TODAY
1900
SITE
20 ACRES “IMPROVED” LAND
?
Site Boundary Min. 30’
Parking
Federal Office Building
100’-120’ Security Perimeter
Site Boundary
Federal Office Building Parking 100’-120’ Security Perimeter
Restored Wetland Habitat
Nature Preserve
Site Boundary
Parking
Federal Office Building
100’-120’ Security Perimeter
Restored Wetland Habitat
Nature Preserve
Methodology for Effective Environmental Design Lifecycle (Years)
100-‐500 Architecture (siting, massing, orientation,…) 50 2. Building Enclosure (curtain wall, roof,…) 3. HVAC+Lighting+Controls (maximize passive climate control) 30 5 4. Alternate Energy Sources (solar, PV, fuel cells) 1.
LOW
HIGH
Cost of Maintenance + Operation
Core Program
WEST
Core NORTH Program
SOUTH
EAST
Atria / Courtyards
60’-80’
60’-80’
60’-80’
Security Perimeter : Anti Ram Barrier Nature Preserve Opportunity
Courtyard Bomb Blast Protection - Angled Façade for Blast Mitigation - Protective Enclosure Opportunities - Solar Glare Control - Peripheral Courtyard
LIGHT REFLECTOR BRINGS NATURAL LIGHT DEEP INTO SPACE
DAYLIGHT RESPONSIVE LIGHTING NATIVE VEGETATION
FAN CIRCULATION
REFLECTIVE SURFACE OUTDOOR UNCOVERED Temperature Light levels
90° F 10,000 FC
OUTDOOR COVERED
88° F 5,000 FC
SEMI-OUTDOOR COVERED
SEMI-OUTDOOR CONTROLLED
85° F
81° F 5,000-1,000 FC
CONDITIONED RELIEF AIR
COURTYARD / ATRIUM
76° F 500-100 FC
DISPLACEMENT VENTILATION INDOOR
75° F 35 FC
PROGRAM
SITE
CONCEPT
DESIGNS
“ENGINEER/BUILD AT RISK” - 15,700 SF Curtain Wall Façade - $3M ($200/SF)
SEELE ASI ASI GARTNER + COMPLETE DESIGN DOCUMENT PACKAGE + GUARANTEED MAXIMUM PRICE ($3M)
or $25k
STIPEND & OPEN PUBLIC BIDDING
Point of rotation
95°F
75°F
Δ=20°F
DECEMBER 20
09:00 AM
10:00 AM
11:00 AM
12:00 PM
01:00 PM
02:00 PM
03:00 PM
MARCH 20
09:00 AM
10:00 AM
11:00 AM
12:00 PM
01:00 PM
02:00 PM
03:00 PM
Optimize To make as effective, perfect, or useful as possible
Concept Design 1,276 Rectangular Glazing Panels 22 Different Types à Coordination Nightmare
Optimized Design 1,276 Rectangular Glazing Panels 3 Different Types à No Design Compromise à Significant Cost Reductions • Engineering • Coordination • Fabrication • Installation
OPTIMIZED CONCEPT DESIGN
KRUECK
SEXTON