Unknown Data Center
Somewhere, USA
4.12.2011
Daniel Suter
Construction Management
AE Senior Thesis Presentation
The Pennsylvania State University
Unknown Data Center
Somewhere, USA
4.12.2011
Presentation Outline:
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
•
Electrical Breadth
Tablet PC’s for Commissioning
Acknowledgements
Questions
Daniel Suter
Construction Management
AE Senior Thesis Presentation
The Pennsylvania State University
PROJECT OVERVIEW
Presentation Outline:
Project Overview
o Owner – Anonymous
Façade Redesign/Tilt-Up Construction
o Occupancy Type - Business
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Conclusions
Acknowledgements
Questions
Unknown Data Center
Somewhere, USA
o Size - 17,445 SF South Expansion
o Cost - $ 50 Million (Design+Construction)
o Construction Duration - December 2008 – August 2010
o Delivery Method - Design-Bid-Build
oProject Team
CM – Turner Construction
Architect/Engineers – Sigma 7 Design Group
Civil – Birdsall Services Group
Structural – Goldstein Associates
3
Daniel Suter | Construction Management | 4.12.2011
PROJECT OVERVIEW
Presentation Outline:
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Conclusions
Acknowledgements
o Building Enclosure
•
Architectural Precast Panels
•
Total of 33 Panels to enclose the building
•
Penthouse enclosed with EIFS
Questions
o Existing Roof Structure:
•
Primary Roof - Composite, EPDM w/ Concrete Pavers
•
Penthouse Roof – Composite, Standing Seam Metal Roof
4
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Façade Redesign/Tilt-Up Construction
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
•
Area of Potential Improvement
•
Proposed Design
•
Tilt-Up Sequence
•
Redesigning the 20’ Parapet Wall
•
Cost Analysis
•
Tilt-up vs. Precast
•
Schedule Impact
•
Conclusion
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Acknowledgements
o Opportunity
o Objective
•
Lower Material/Labor Cost
•
Accelerate Schedule
Questions
5
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Façade Redesign/Tilt-Up Construction
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
•
Area of Potential Improvement
•
Proposed Design
•
Tilt-Up Sequence
•
Cost Analysis
•
Schedule Impact
•
Conclusion
o Conceptual Design:
o Deduction of 10’
o Design Criteria:
Alternate Roof Type – Photovoltaic System
o Line of Sight
Tablet PC’s for Commissioning
o Penthouse vs. Building Enclosure
Acknowledgements
Questions
6
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Façade Redesign/Tilt-Up Construction
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
•
Area of Potential Improvement
•
Proposed Design
•
Tilt-Up Sequence
•
Cost Analysis
•
Schedule Impact
•
Conclusion
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Acknowledgements
o Sequence
o Follow the same sequence as Precast (33)
o Panels are formed and stacked onsite
o Site Layout
o Need to Revise Site Layout Plan
o Tilt-up Increases Site Congestion
Questions
7
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Façade Redesign/Tilt-Up Construction
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
•
Area of Potential Improvement
•
Proposed Design
•
Tilt-Up Sequence
o $41.5/ SF – Precast
•
Cost Analysis
o $15/ SF – Tilt-up
•
Schedule Impact
•
Conclusion
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Acknowledgements
o RS Means:
o Total Savings
o $160,000 – Includes design
o $327,000 – Includes design and method
Questions
8
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Façade Redesign/Tilt-Up Construction
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
•
Area of Potential Improvement
•
Proposed Design
•
Tilt-Up Sequence
•
Cost Analysis
o Precast – 3.3 panels / day
•
Schedule Impact
o Tilt-up – 4 panels / hour
•
Conclusion
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
o Schedule Impact:
o 33 panels in a nine hour work day
o 9 days cut off cut from the critical path
Acknowledgements
Questions
9
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Façade Redesign/Tilt-Up Construction
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
o Conclusion:
•
Area of Potential Improvement
•
Proposed Design
o Total Savings of 327,000
•
Tilt-Up Sequence
o 9 Days off the Critical Path
•
Cost Analysis
•
Schedule Impact
•
Conclusion
o Recommendations:
o The owner should pursue Tilt-up Method, but take note on the
Alternate Roof Type – Photovoltaic System
safety issues and quality concerns.
Tablet PC’s for Commissioning
o Highly recommended for the Redesign – Savings of $160,000
Acknowledgements
o Money could pay for PV system
Questions
10
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Alternate Roof Type – Photovoltaic System
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
o Opportunity
•
Area of Improvement
o Building is Oriented South
•
Proposed PV System
o Opportunity to utilize the Penthouse roof for design
•
Electrical Breadth
•
Cost Analysis/Schedule Impact
•
Conclusion
Tablet PC’s for Commissioning
Acknowledgements
Questions
o Objective
o Design a Preliminary Photovoltaic System
o Perform a Financial Feasibility Study
o Reduce Energy Cost of the Building
11
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Alternate Roof Type – Photovoltaic System
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
•
Area of Improvement
•
Proposed PV System
•
Electrical Breadth
•
Cost Analysis/Schedule Impact
•
Conclusion
o What will the power from the panels essentially replace?
o Conclusion:
o The design will be able to power all of the lighting fixtures in the
building.
Tablet PC’s for Commissioning
o 125 panels required – Design consist of 129 panels
Acknowledgements
o 105 panels located on west penthouse
Questions
o 24 panels located on east penthouse
12
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Alternate Roof Type – Photovoltaic System
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
o Calculate Optimal Tilt in Panels
•
Area of Improvement
•
Proposed PV System
o West Penthouse – 40°
•
Electrical Breadth
o East Penthouse - 32°
•
Cost Analysis/Schedule Impact
•
Conclusion
Tablet PC’s for Commissioning
Acknowledgements
o Determine Most Efficient Panel:
o Sanyo Electric, HIP-200BA19/20
Questions
13
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Alternate Roof Type – Photovoltaic System
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
•
Area of Improvement
•
Proposed PV System
•
Electrical Breadth
•
Cost Analysis/Schedule Impact
•
Conclusion
o PV Watts Calculations:
o System Produces 31,000 kWh / Year
o Yearly Savings of $3900
Tablet PC’s for Commissioning
Acknowledgements
Questions
14
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Alternate Roof Type – Photovoltaic System
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
o Energy Distribution:
•
Area of Improvement
o DC – Inverter – AC – Grid system
•
Proposed PV System
o Inverter:
•
Electrical Breadth
•
Cost Analysis/Schedule Impact
•
Conclusion
Tablet PC’s for Commissioning
o Sunny Tower ST 36
o Easy mount
o Includes all DC/AC connections
Acknowledgements
Questions
o Voltage Drop:
o DC - Use #8 AWG Wire
15
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Unknown Data Center
Somewhere, USA
Alternate Roof Type – Photovoltaic System
Project Overview
Façade Redesign/Tilt-Up Construction
o Schedule Impact:
Alternate Roof Type – Photovoltaic System
•
Area of Improvement
•
Proposed PV System
•
Electrical Breadth
•
Cost Analysis/Schedule Impact
•
Conclusion
Tablet PC’s for Commissioning
o Once the penthouses are constructed, the PV contractor can start
o Main Concern is Crane Usage
o Should not affect the critical path
o Total System Cost:
Acknowledgements
o $250,000
Questions
o W/ Rebates and Incentives: = $160,000
o Potential Buy back – 17-18 years
Daniel Suter | Construction Management | 4.12.2011
16
Presentation Outline:
Alternate Roof Type – Photovoltaic System
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
•
Area of Improvement
•
Proposed PV System
•
Electrical Breadth
•
Cost Analysis/Schedule Impact
•
Conclusion
o Conclusion :
o Up front cost - $160,000
o Potential Buyback of 17-18 years
o Does not affect schedule’s critical path
o Recommendation:
Tablet PC’s for Commissioning
o Highly recommended for the owner to consider this preliminary
Acknowledgements
design.
Questions
o Owner has potential to pay for the whole up front cost of this
system
Daniel Suter | Construction Management | 4.12.2011
17
Presentation Outline:
Tablet PCs for Commissioning
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
o Tablet PC Use:
o Quality Control
o Punch List Management
•
Introduction
•
Potential Benefits/Challenges
•
Case Study
o Materials Management
•
Conclusion
o Safety
o Production Tracking
Acknowledgements
o Commissioning
Questions
o BIM in the Field
o Visual Reporting
18
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Unknown Data Center
Somewhere, USA
Tablet PCs for Commissioning
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
•
Introduction
•
Potential Benefits/ Challenges
o Potential Benefits:
o Store PDF and paper forms of the budget, schedule, and specs.
o Easier to organize and manage while onsite
•
Case Study
o Record performance of mechanical equipment
•
Conclusion
o Record issues during the commissioning process
Acknowledgements
o Reference the data on future projects
o Challenges:
o Tablet are exposed to hazards on the construction jobsites
o Weather may affect the life of the tablet
o Lack of knowledge in this industry
oUsing the tablets to it’s full advantage
Questions
19
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Tablet PCs for Commissioning
o Case Study (Maryland General Hospital)
o Barton Malow – CM
Introduction
o Includes an array of indoor AHU
•
Potential Benefits/Challenges
o 650 –ton electric chillers/cooling towers
•
Case Study
•
Conclusion
Questions
“The same tasks that used to take us days to manage and track,
now take just hours”
o $57 Million renovation
•
Acknowledgements
Unknown Data Center
Somewhere, USA
o Tablets for commissioning
o Collected data and documents as one integrated unit with their 3D
model.
o Eliminated all data re-entry
o Commissioning and their BIM Model totally in synched
Daniel Suter | Construction Management | 4.12.2011
20
Presentation Outline:
Tablet PCs for Commissioning
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
•
Introduction
•
Potential Benefits/Challenges
•
Case Study
•
Conclusion
Acknowledgements
Questions
o Recommendations:
o All CM firms to use tablet PCs for the whole construction process
o For commissioning – highly recommended for complex MEP
projects (hospitals, data centers)
o Conclusion:
o Hard to determine actual value in cost and schedule acceleration.
21
Daniel Suter | Construction Management | 4.12.2011
Presentation Outline:
Acknowledgements
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
o Academic Acknowledgments
Alternate Roof Type – Photovoltaic System
o Penn State AE Faculty
Tablet PC’s for Commissioning
o Dr. Rob Leicht
Acknowledgements
Questions
o Industry Acknowledgements:
o Turner Construction
o Sigma 7 Design Group
o Special Thanks to:
o Frank Forcino @ Turner Construction
o Tom Atrens @ Turner Construction
o Family and Friends
Daniel Suter | Construction Management | 4.12.2011
22
Presentation Outline:
Questions
Unknown Data Center
Somewhere, USA
Project Overview
Façade Redesign/Tilt-Up Construction
Alternate Roof Type – Photovoltaic System
Tablet PC’s for Commissioning
Acknowledgements
Questions
23
Daniel Suter | Construction Management | 4.12.2011