Transcript M I N I T A B ... Erin E. Hess Construction Management Senior Thesis Presentation

MINITAB
HEADQUARTERS
Erin E. Hess
Construction Management
Senior Thesis Presentation
April 15, 2003
Alexander Constructors, Inc.
Building Construction
Presentation Outline

Project Description

Cladding System

Mechanical System

Green Building

Summary & Conclusions
Erin E. Hess
Construction Management
Presentation Outline
Senior Thesis Project
Minitab Headquarters
Project Description





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

Four Story

Exposed Basement

Full four-story atrium with glass elevators,
pond, and waterfall

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



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

Project Description

Cladding System

Mechanical System

Green Building

Summary & Conclusions
Erin E. Hess
Construction Management
Presentation Outline
Senior Thesis Project
Minitab Headquarters
Existing Cladding System

Exterior Insulation Finish System (EIFS)



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

Desired Appearance


Economic Performance


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

Maintain Architectural Appearance


Thermal Efficiency


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

Thirty year study period

Exterior façade area 23,000 SF

Maintain insulation value of R-20

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
EIFS
Cost per
square foot
$0.60
$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
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
Erin E. Hess
Construction Management
Cladding System
Senior Thesis Project
Minitab Headquarters
Precast Installation Cost
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
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
Erin E. Hess
Construction Management
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

Installation



Maintenance



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

Typical Structural Frame


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

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
588.8
Live Load
26,620.0
26,620.0
Dead Load
38,007.0
49,448.0
Live Load
50,820.0
50,820.0
Dead Load
38,596.0
50,077.0
Live Load
77,440.0
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

Design Load Increase


Original Perimeter Columns



W12X45
Design Load Capacity = 350 kips
Resized Perimeter Columns



13,777 pounds per bay; 8% increase
W12X50
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

EIFS – Fork lift
Panelized EIFS Installation Detail
ACTIVITY
DURATION
1. Attached panel to fork lift rigging.
2. Maneuver forklift to panel installation location.
10 min.
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):
1 hour
TOTAL ACTIVITY DURATION:
9 DAYS
Erin E. Hess
Construction Management
Cladding System
Senior Thesis Project
Minitab Headquarters
Schedule Analysis

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):
TOTAL ACTIVITY DURATION:
Erin E. Hess
Construction Management
Cladding System
2.25 hours
19 DAYS
Senior Thesis Project
Minitab Headquarters
Cladding System Summary

Use of Precast Concrete Panel System




Overall Cost Savings




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

Project Description

Cladding System

Mechanical System

Green Building

Summary & Conclusions
Erin E. Hess
Construction Management
Presentation Outline
Senior Thesis Project
Minitab Headquarters
Original Mechanical System

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

Original Design




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

100% Outdoor Air – Geothermal System




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




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

Project Description

Cladding System

Mechanical System

Green Building

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.”

Atmosphere conducive to:



Employee health
Quality of life
Productivity
Erin E. Hess
Construction Management
Green Building
Senior Thesis Project
Minitab Headquarters
Benefits of a Green Building

Energy Efficient

Advanced Technology

Indoor Air Quality

Minimize Waste

Thermal Comfort

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


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
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:

Total
Possible Points
Points required for LEED™ Certification

26 – 32
Erin E. Hess
Construction Management
Green Building
Senior Thesis Project
Minitab Headquarters
Green Building

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

Project Description

Cladding System

Mechanical System

Green Building

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

AE Faculty

AE Classmates

Family & Friends

Alexander Constructors, Inc.

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