MINITAB HEADQUARTERS Erin E Hess Construction Management Senior

MINITAB HEADQUARTERS Erin E. Hess Construction Management Senior Thesis Presentation April 15, 2003 Alexander Constructors, Inc. Building Construction

Presentation Outline n Project Description n Cladding System n Mechanical System n Green Building n Summary & Conclusions Erin E. Hess Construction Management Presentation Outline Senior Thesis Project Minitab Headquarters

Project Description n n Headquarters for Minitab, Inc. Developer of data analysis software Location: State College, PA Construction: June 2001 – December 2002 Size: Site 16. 8 acres Facility 88, 000 SF Cost: $ 14 Million Erin E. Hess Construction Management Project Description Senior Thesis Project Minitab Headquarters

Architecture n Four Story n Exposed Basement n Full four-story atrium with glass elevators, pond, and waterfall n 209 offices, 18 conference rooms, theater, exercise area with locker rooms, game room Erin E. Hess Construction Management Project Description Senior Thesis Project Minitab Headquarters

Contractor Selection n CM Proposal Alexander chosen based on ¡ Qualified Team ¡ Local Company Project Team Erin E. Hess Construction Management Project Description Senior Thesis Project Minitab Headquarters

Thesis Project Goals Maintain superior energy efficiency Maintain clean architectural appearance Complete construction by November 2002 Erin E. Hess Construction Management Project Description Senior Thesis Project Minitab Headquarters

Presentation Outline n Project Description n Cladding System n Mechanical System n Green Building n Summary & Conclusions Erin E. Hess Construction Management Presentation Outline Senior Thesis Project Minitab Headquarters

Existing Cladding System n Exterior Insulation Finish System (EIFS) ¡ n n Prefabricated, panelized system Four foot, seamless mullion ribbon windows Glass fiber reinforced panels Prefabricated EIFS panels Ribbon windows GFRC panels Rear entrance constructed & finished on-site Erin E. Hess Construction Management Project Description Senior Thesis Project Minitab Headquarters

Cladding System n Desired Appearance ¡ n Economic Performance ¡ n Clean lines Energy efficient, maintain R-20 Life Cycle Cost ¡ Installation ¡ Maintenance & Repair ¡ Energy Savings ¡ Inflation Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Precast Concrete Panel n Maintain Architectural Appearance ¡ n Thermal Efficiency ¡ n Variety of finishes and colors Add rigid insulation to precast assembly Maintenance ¡ ¡ ¡ Durable Cost efficient Resistant to moisture. Erin E. Hess Construction Management Cladding System Photo courtesy Tindall Corporation: Houston Co. Spec. , Perry, GA Senior Thesis Project Minitab Headquarters

Life Cycle Cost Analysis n Thirty year study period n Exterior façade area 23, 000 SF n Maintain insulation value of R-20 n ASTM Standard Practice for Measuring Life Cycle Costs of Buildings and Building Systems Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

EIFS Installation Cost Exterior Insulation and Finish System (EIFS, Class PB) Fiberglass batt insulation, 6 in. thick, 15 in. wide Cost per square foot $0. 60 EIFS $15. 75 Framing, 6 in. metal studs @ 16” o. c. Cement board sheathing, ¾ in. 4” Expanded polystyrene insulation board (EPS) EIFS base coat Reinforcing mesh Finish coat Erin E. Hess Construction Management Total unadjusted present value cost = $16. 35 Total Installation Cost = $376, 050 Location Adjustment (State College, PA) = 95. 4 percent = $358, 752 Time Adjustment (July 2001) = 96. 1 percent = $344, 761 TOTAL INSTALLATION COST = $344, 761 Cladding System Senior Thesis Project Minitab Headquarters

Precast Installation Cost per square foot Precast Concrete Metal studs, non-loadbearing galvanized @ 16” o. c. $0. 85 Fiberglass batt insulation, 6 in. thick, 15 in. wide $0. 60 Flat precast concrete panel Thickness – 6 in. thick Panel size (ft) – 6 x 18 Finish – smooth gray Rigid insulation – 2 in. Type – low rise $10. 45 Add’l 2 in. rigid insulation* $0. 73 Erin E. Hess Construction Management Total unadjusted present value cost = $12. 63 Total Installation Cost = $300, 370 Location Adjustment (State College, PA) = 95. 4 percent = $286, 553 Time Adjustment (July 2001) = 96. 1 percent = $275, 377 TOTAL INSTALLATION COST = $275, 377 Cladding System Senior Thesis Project Minitab Headquarters

Projected Maintenance Costs Projected Life Cycle Cost (Present Value Dollars) Cladding and Structural Framing Assembly Estimated Installation & Maintenance Costs (Year) Total Life Cycle Cost 0 15 20 25 30 344, 761 7, 318 0 0 11, 119 $ 363, 198 275, 377 0 22, 079 6, 183 0 $ 303, 639 EIFS (Class PB) cash outflow (initial costs and maintenance) Precast Concrete cash outflow (initial costs and maintenance) Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Life Cycle Cost n Installation ¡ ¡ n Maintenance ¡ ¡ n EIFS - $344, 761 Precast - $275, 377 EIFS - $18, 437 Precast - $28, 262 Total Life Cycle Cost ¡ ¡ EIFS - $363, 198 Precast - $303, 639 Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Structural Impact n Typical Structural Frame ¡ n Bays 24’-0” x 19’-9”/19’-5” Panel Size ¡ 24’-0” x 7’-3” Panel Size Weight (per Panel) EIFS Panel 4 in. EPS insulation Heavyweight reinforcing mesh 20 ga. , 6 in. metal studs @ 16” o. c. 24’-0” x 7’-3” 581 lbs. Precast Panel 6 in. lightweight concrete (50 pcf) 4 in. EPS insulation 24’-0” x 7’-3” 4, 408 lbs. Cladding Assembly Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Structural Impact n Calculation of Additional Loading Tributary area = 242 SF Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Structural Impact EIFS (lbs) PRECAST (lbs) Dead Load 588. 8 Live Load 26, 620. 0 Dead Load 38, 007. 0 49, 448. 0 Live Load 50, 820. 0 Dead Load 38, 596. 0 50, 077. 0 Live Load 77, 440. 0 170, 219 183, 996 ROOF THIRD/SECOND/ FIRST FLOORS TOTAL LOADS DESIGN LOAD: 1. 2 DL + 1. 6 LL Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Structural Impact n Design Load Increase ¡ n Original Perimeter Columns ¡ ¡ n W 12 X 45 Design Load Capacity = 350 kips Resized Perimeter Columns ¡ ¡ n 13, 777 pounds per bay; 8% increase W 12 X 50 Design Load Capacity = 393 kips; 12. 3% increase Increased Steel ¡ ¡ 30 Perimeter columns, each 38 ft. in length Increase of 5 plf = 2. 85 tons => $4, 047. Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Schedule Analysis n EIFS – Fork lift Panelized EIFS Installation Detail ACTIVITY DURATION 1. Attached panel to fork lift rigging. 10 min. 2. Maneuver forklift to panel installation location. 5 min. 3. Align panel with pre-installed steel angle attachments. 15 min. 4. Level and attach panel to structural steel frame. 30 min. TOTAL EIFS PANEL INSTALLATION DURATION (per panel): TOTAL ACTIVITY DURATION: Erin E. Hess Construction Management Cladding System 1 hour 9 DAYS Senior Thesis Project Minitab Headquarters

Schedule Analysis n Precast – Crane Precast Panel Installation Detail ACTIVITY DURATION 1. Attached panel to crane rigging. 15 min. 2. Maneuver panel to installation location. 30 min. 3. Align panel with pre-installed steel angle attachments. 30 min. 4. Level and attach panel to structural steel frame. 60 min. TOTAL EIFS PANEL INSTALLATION DURATION (per panel): 2. 25 hours TOTAL ACTIVITY DURATION: 19 DAYS Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Cladding System Summary n Use of Precast Concrete Panel System ¡ ¡ ¡ n Overall Cost Savings ¡ ¡ ¡ n First Cost Savings = $69, 384 30 -year Life Cycle Cost Savings = $59, 559 Increased Structural Steel = $4, 047 $55, 512 16% savings on exterior cladding budget 0. 5% savings on project estimated cost Increased project schedule 10 days Erin E. Hess Construction Management Cladding System Senior Thesis Project Minitab Headquarters

Presentation Outline n Project Description n Cladding System n Mechanical System n Green Building n Summary & Conclusions Erin E. Hess Construction Management Presentation Outline Senior Thesis Project Minitab Headquarters

Original Mechanical System n Dedicated outdoor air system with parallel radiant panel system ¡ ¡ Ventilation system – temperature control, air quality, and latent (moisture) load Radiant panels address remainder of sensible load (temperature) Erin E. Hess Construction Management Project Description Senior Thesis Project Minitab Headquarters

Mechanical System Redesign n Original Design ¡ ¡ ¡ n Estimated Cost = $1, 500, 000 Did not consider structural effects of locating boiler and chiller on roof – additional $200, 000. Revised Estimated Cost = $1, 700, 000 Redesign ¡ ¡ 100% Outdoor air – geothermal system Estimated Cost = $1, 500, 000 Erin E. Hess Construction Management Mechanical System Senior Thesis Project Minitab Headquarters

Mechanical System n 100% Outdoor Air – Geothermal System ¡ ¡ ¡ n Energy-efficient Environmentally clean Cost effective Minitab Geothermal System ¡ ¡ ¡ 40, 000 lf of pipe – 100 wells @ 400 ft. each 278 high-efficiency heat pumps Air to air heat recovery system Erin E. Hess Construction Management Mechanical System Senior Thesis Project Minitab Headquarters

Geothermal System Individual heat pumps for each space above the ceiling in the corridor. Geothermal Well Field Erin E. Hess Construction Management Mechanical System Senior Thesis Project Minitab Headquarters

Geothermal System n n Maintain energy efficiency Maintain indoor air quality Maintain service load requirements Eliminate structural and architectural redesign ¡ Cost Savings = $200, 000 Erin E. Hess Construction Management Mechanical System Senior Thesis Project Minitab Headquarters

Presentation Outline n Project Description n Cladding System n Mechanical System n Green Building n Summary & Conclusions Erin E. Hess Construction Management Presentation Outline Senior Thesis Project Minitab Headquarters

Green Building “We hire the best people and then provide them with an environment that enables them to do their best work. ” n Atmosphere conducive to: ¡ ¡ ¡ Erin E. Hess Construction Management Employee health Quality of life Productivity Green Building Senior Thesis Project Minitab Headquarters

Benefits of a Green Building n Energy Efficient n Advanced Technology n Indoor Air Quality n Minimize Waste n Thermal Comfort n Resource Efficiency Erin E. Hess Construction Management Minimize waste: excavated material is crushed for use as backfill and parking lot base Green Building Senior Thesis Project Minitab Headquarters

LEED™ Certification n n Two leading categories of LEED™ rated buildings ¡ Owner Type – Profit Organization ¡ Building Type – Commercial Office Minitab is environmentally conscious ¡ Public respect ¡ Employee morale Erin E. Hess Construction Management Green Building Senior Thesis Project Minitab Headquarters

LEED™ Certification Category Total Possible Points Minitab Possible Points 1. Sustainable Sites 14 3 2. Water Efficiency 5 4 3. Energy and Atmosphere 17 2 -11 4. Materials and Resources 13 2 5. Indoor Environmental Quality 15 9 6. LEED Innovation Credits 5 1 -4 69 22 -33 TOTAL: n Points required for LEED™ Certification ¡ 26 – 32 Erin E. Hess Construction Management Green Building Senior Thesis Project Minitab Headquarters

Green Building n Associated Benefits ¡ ¡ ¡ Significant gains in worker health Improved satisfaction Increased productivity Higher profits Decreased employee turnover Added value to corporation and building. Erin E. Hess Construction Management Green Building Senior Thesis Project Minitab Headquarters

Presentation Outline n Project Description n Cladding System n Mechanical System n Green Building n Summary & Conclusions Erin E. Hess Construction Management Presentation Outline Senior Thesis Project Minitab Headquarters

Summary & Conclusions Precast Panel Cladding Alternative Geothermal Heat Pump Alternative LEED™ Certification Erin E. Hess Construction Management Maintain Clean Appearance Maintain Energy Efficiency Increase Schedule by 10 days Overall Savings $55, 512 15 % No Effect First Cost Savings $200, 000 12 % No Effect Added value to corporation and building Maintain Energy Efficiency Eliminate Design Conflicts Improved Building Function Summary & Conclusions Senior Thesis Project Minitab Headquarters

Acknowledgements n AE Faculty n AE Classmates n Family & Friends n Alexander Constructors, Inc. n Minitab, Inc. Erin E. Hess Construction Management Acknowledgements Senior Thesis Project Minitab Headquarters

Questions Erin E. Hess Construction Management Questions Senior Thesis Project Minitab Headquarters