capitol restoration- chris€¦ · title: microsoft powerpoint - capitol restoration- chris author:...
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Capitol Restoration
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Introduction to the Minnesota Capitol Complex
Capitol Complex Demographics
• 23 Buildings
• 4.7M SF
• 25 Monuments/Memorials
• 140 Acres
• 7 Cafeterias
• 5 Convenience Stores
• 32 Parking Facilities
• 9,000 Employees and State Officials
• 300,000 Visitors Annually
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Introduction to the Capitol Building
Constructed: 1896 - 1905
Construction Cost: $4.5M
Size: 5 Levels, 352,330 Square Feet
Designed by: Cass Gilbert
Constructed by: Butler Brothers Construction
Operated and Maintained by: Department of Administration, Facilities Management Division
Current Appraised Value: $680M 3
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Introduction to the Capitol Building
Occupants:
• The Governor & Lt. Governor• Attorney General• Supreme Court• House• Senate• Press Corps
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Restoration Timelines & Project Delivery Strategy
• Many Years In the Making (Support for Restoration Began in the 1980s)
• Capitol Preservation Commission Formed in 2011
• Authority and Funding to Proceed with the Restoration Received in 2012
• Construction Manager at Risk Delivery Strategy• Architect: Hammel, Green and Abrahamson (HGA)• Construction Manager: JE Dunn • Owner’s Program Manager: MOCA• Owner’s Project Representative: CPMI
• Project Cost: $310M
• Duration: 40 Months (August 2013 – December 2016) 5
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Restoration Guiding Principles & Methodology
Guiding Principles as established by the Commission:• Architectural Integrity• Life-safety• Functionality
Methodology:• 11 Design Scoping Workshops• Collaborative Project Team
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Project ChallengesMEP Coordination
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• Underground ductwork coordination
• Conduit buried below basement floor
• Underpinning of the existing foundation
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Project ChallengesOccupied Construction
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Project ChallengesBudget Accuracy & Cost Control
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Contractor actions to help ensure accuracy and control costs included:
• Early Involvement During Schematic Design
• Integration of Construction Team into Design Workshops
• Early Involvement of Design-Assist Subcontractors
• Budget Reconciliation After Each Design Workshop
• 3 Independent Estimates at SD & DD – JE Dunn, MOCA & HGA
• Intensive Investigation
• Laser Scanning
• Similar Experience
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Project ChallengesLogistics and Access
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Project ChallengesArtisan Craftsmanship
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Project ChallengesArtisan Craftsmanship
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Project ChallengesParking and Staging
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Project Challenges….and More Staging
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Before & After
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Before & After
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Before & After
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Before & After
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Post RestorationMechanical
• Pre-Restoration
• 26 Air Handling Units
• Located On All Floors & Roof
• Outside Air Intake at Ground Level
• Constant & Variable Volume Fans
• Limited VAV Boxes
• Pneumatic Control
• Post-Restoration
• 15 Air Handling Units
• Located in Basement
• Outside Air Intake Located on Roof
• Fan Walls
• 263 VAV Boxes
• Direct Digital Control
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Post RestorationElectrical
• Pre-Restoration
• 208 Volt System
• Incandescent/HID/Fluorescent Lighting
• Limited Lighting Control
• Post-Restoration
• 480 Volt System
• LED Lighting throughout
• Full Lighting Control System
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Post RestorationOperational Elements
• Making Final Adjustments on Air Handling and Lighting Controls
• Increased Custodial Staffing to Properly Care for New Finishes
• Increased Maintenance Budget to Follow New Maintenance Guidelines
• Energy Consumption Slightly Increased due to Increased Lighting and Mechanical Capabilities
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Post RestorationEnergy Consumption (Preliminary)
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Post Restoration
…The Next Capitol Building Restoration is
Scheduled for Sometime Around the Year 2116…
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Questions
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