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This was my team\'s presentation for the UT Architectural Engineering capstone course
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RIMROCK PROFESSIONAL OFFICE BUILDINGSTRUCTURALALEC GAGNON | RUBEN PERALEZ II RICHARD SNIFF
HVACBEN MEINKE | SADIE WILSON
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BUILDING INTRODUCTION
PROVIDED INFORMATION:
MULTI-USE OFFICE SPACE
AUSTIN, TX
TWO STORY BUILDING
18,540 TOTAL SQUARE FEET 4,500 SQUARE FOOT SURGICAL
CENTER
11,200 SQUARE FEET OF UNLEASED
OFFICE SPACE
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BUILDING INTRODUCTION
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DESIGN CHALLENGES
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• MULTI-STORY ATRIUM• GABLE ROOF• ATRIUM BALCONY
• CANTILEVERS• GLASS FACADE• NARROW PLENUM
• LACK OF ARCHITECT
PROVIDED CHASES OR
FAN ROOMS
• COMPLEX CODE-
REGULATED SURGICAL
CENTER ON LOWER LEVEL
DESIGN CHALLENGES
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LEVEL 1
LEVEL 2
STRUCTURAL DESIGNINTRODUCTION
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STRUCTURAL | DESIGN CRITERIA• Cost• Material expense• Construction expense
• Lateral Stability• Flexibility• Column layouts
• Durability• Constructability• Degree of skill• Degree of detail
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STRUCTURAL | SYSTEM CONSIDERATIONS
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• Reinforced concrete• Two-way slab• Beams and columns
• Precast concrete• Masonry• Masonry exterior walls• Reinforced concrete interior
• Steel• Open-web joist
STRUCTURAL | SYSTEM SELECTION
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• Reinforced concrete foundation• Typical choice of material
• Steel superstructure with open-web joists• Light, efficient structure• Flexible office space
• Masonry shear walls• Durable• Easy to construct• Solid lateral stability
STRUCTURAL | SYSTEM SELECTION
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STRUCTURAL | CODES AND STANDARDS• IBC 2009• Live loads• Live load reduction provisions• Elevator pit live loads
• ASCE7• Main wind force resisting system procedure• Components and cladding procedure
• AISC 2005• Steel specifications
• ACI 318-08• Concrete specifications
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STRUCTURAL | LOADING | GROUND FLOOR
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50 psf50 psf
50 psf50 psf
60 psf
150 psf
100 psf
100 psf100 psf
100 psf 100 psf
STRUCTURAL | LOADING | SECOND FLOOR
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50 psf
50 psf 50 psf
100 psf
100 psf
STRUCTURAL | LOADING | ROOF LEVEL
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20 psf
STRUCTURAL | FOUNDATION SYSTEM
• Suspended One-way Slab• Piers • Grade Beams• Interior • Exterior
• Elevator Pit• Slab-on-grade• Load-bearing walls
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STRUCTURAL | PIERS
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STRUCTURAL | PIERS
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STRUCTURAL | PIERS
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26”
22”
STRUCTURAL | GRADE BEAMS | EXTERIOR
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STRUCTURAL | GRADE BEAMS | EXTERIOR
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STRUCTURAL | GRADE BEAMS | INTERIOR
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STRUCTURAL | GRADE BEAMS | INTERIOR
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STRUCTURAL | SLAB SYSTEM
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STRUCTURAL | SLAB SYSTEM
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STRUCTURAL | ELEVATOR PIT
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STRUCTURAL | SUPERSTRUCTURE
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STRUCTURAL | COLUMN LAYOUT
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STRUCTURAL | LEVEL 2 – DECKING
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STRUCTURAL | LEVEL 2 – JOIST SYSTEM
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STRUCTURAL | LEVEL 2 – GIRDERS
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STRUCTURAL | ROOF LAYOUT
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STRUCTURAL | ROOF - DECKING
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STRUCTURAL | ROOF – JOIST SYSTEM
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STRUCTURAL | ROOF - GIRDERS
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STRUCTURAL | LOBBY BALCONY OVERHANG
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STRUCTURAL | CANTILEVER
STRUCTURAL | CANTILEVER
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STRUCTURAL | GABLE ROOF
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STRUCTURAL | GABLE ROOF
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STRUCTURAL | GABLE ROOF
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STRUCTURAL | GABLE ROOF
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STRUCTURAL | GABLE ROOF SUMMARY• 6 Panel Howe Trusses• L4X3X1/4 members• Analytical wind load
determination• SAP modeling• C6X8.2 Purlins
• Lateral stability• 1 ½” metal deck• L6X6X1/2 Brace frames• CMU core
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STRUCTURAL | MWFRS
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STRUCTURAL | DIAPHRAGMS
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STRUCTURAL | FIRE CORE
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STRUCTURAL | FIRE CORE
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STRUCTURAL | MWFRS SUMMARY
• Roof and second floor diaphragms• 1 ½” metal deck• 3 ½” concrete deck
• Masonry core• 8” CMU walls• #4 bars @ 48”• Partially grouted• 3 hour fire rating
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HVAC DESIGNINTRODUCTION
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HVAC | CODES & STANDARDS• TEXAS ADMINISTRATIVE CODE FOR AMBULATORY SURGICAL CENTERS• NFPA• 90A, 101
• ASHRAE STANDARDS• 62.1, 90.1, FUNDAMENTALS, HVAC APPLICATIONS HANDBOOK
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HVAC | DESIGN PARAMETERS
SUMMER DESIGN CONDITIONS:
99°F DRY BULB74°F WET BULB
WINTER DESIGN CONDITIONS:
28°F DRY BULB
CITY OF AUSTIN AMMENDMENTS TO
THE 2006 IECC
HVAC | U-VALUES
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GYPSUM BOARD
STUD ASSEMBLY WITH R-15 BATT INSULATION
DENS GLASS
AIR GAP
BRICK FACADE
CAST STONEEXTERIOR WALL:0.087 BTUH/FT2 °F
GLAZING:0.470 BTUH/FT2 °F
ROOF:0.048 BTUH/FT2 °F
HVAC | LEVEL 1 ZONING LAYOUT
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HVAC | LEVEL 1 NORTHWEST ZONES
NORTHWEST ZONES | HP-16 TON UNIT
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HVAC | LEVEL 1 SOUTHWEST ZONES
SOUTHWEST ZONES | HP-35 TON UNIT
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HVAC | LEVEL 1 EAST ZONES
EAST ZONES | HP-420 TON UNIT
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HVAC | LEVEL 2 ZONING LAYOUT
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HVAC | LEVEL 2 SOUTH ZONES
SOUTH ZONES | HP-57 ½ TON UNIT
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HVAC | LEVEL 2 NORTH ZONE
NORTH ZONE | HP-220 TON UNIT
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HVAC | MECHANICAL EQUIPMENTROOF-TOP HEAT PUMPS
BELT DRIVE• ADJUSTABLE SPEEDS
AIR COOLED CONDENSER• LOW INITIAL COST
ELECTRIC HEATING COIL• SUPPLEMENTS HEAT PUMP
FOR EXTREME COLD DAYS
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HVAC | MECHANICAL EQUIPMENTTERMINAL UNITS & STEAM HUMIDIFIER
VARIABLE AIR VOLUME• ELECTRIC REHEAT COIL
CONSTANT AIR VOLUME• ELECTRIC REHEAT COIL• MORE PRECISE HUMIDITY CONTROL
IN-DUCT STEAM HUMIDIFIER• ADDITIONAL HUMIDITY CONTROL
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HVAC | MECHANICAL EQUIPMENT LAYOUT
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HVAC | EXHAUST DUCT LAYOUT
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HVAC | SUPPLY DUCT LAYOUT
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HVAC | RETURN DUCT LAYOUT
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HVAC | COMPLETE DUCT LAYOUT
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HVAC | LEVEL 1 NW ZONE
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HVAC | LEVEL 1 NW ZONE
LEVEL 2 PATH TO ROOFTOP UNIT
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HVAC | LEVEL 1 NW ZONE COORDINATION
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HVAC | LEVEL 1 SW ZONE
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HVAC | LEVEL 1 SW ZONE
LEVEL 2 PATH TO ROOFTOP UNIT
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HVAC | LEVEL 1 EAST ZONE
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HVAC | LEVEL 1 EAST ZONE
LEVEL 2 PATH TO ROOFTOP UNIT
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HVAC | LEVEL 2 NORTH ZONE
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HVAC | LEVEL 2 SOUTH ZONE
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HVAC | LEVEL 2 SOUTH ZONE
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QUESTIONS?
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