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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