UT Architectural Engineering Integrated Design Course Presentation

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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