Virginia Capitol Extension and AGENDA Renovation Background - PDF document

Virginia Capitol Extension and AGENDA Renovation √ Background √ Foundation Walls - Breadth √ Access Computer Flooring √ Sequencing of Trades √ Conclusions Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation About the Project: Project Facts: Background Intended Use: Background Existing Capitol: ● Design Start Date: October 1, 2003 Foundation Walls ● Governor’s Office Foundation Walls ● Construction Start Date: July 12, 2004 ● Senate and House Chambers ● Finish Date: December 11, 2006 Access Panels ● General Office Space Access Panels ● Total Cost: $65,800,000 Extension: ● Building Size: Research ● Main Visitor’s Entrance Research √ Renovation: 90,000 square feet ● Exhibit Space √ Extension: 27,000 square feet Conclusions ● Restaurant and Lunch Room Conclusions Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Key Issues: ● Needs to be completed for the 400 th Project Team: Background Background Anniversary of the Jamestown Settlement ● Owner: The Commonwealth of Virginia √ Queen Elizabeth will be Foundation Walls ● Owner Rep: Department of General Services (DGS) Foundation Walls attending the celebration ● CM @ Risk: Gilbane/Christman Association (GCA) ● A ‘100-year Renovation’ Access Panels ● Architect: Hillier Access Panels ● “Jeffersonian Style” Architecture to ● Structural Eng: Robert Silman Assoc. keep style of the original design. Research ● Mech/Elec Eng: Joseph Loring Assoc. Research ● 216 year old structure designed by Thomas Jefferson ● Civil Eng: Draper Aden Assoc. √ Wings were added in 1904-1906 Conclusions Conclusions ● The extension is a 27,000 sf subterranean structure Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management 1

Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Analysis Purpose: Estimate: ● Guarantee Completion Date Background Background √ Stiff Penalties for late completion ● Higher quality building and design Foundation Walls Foundation Walls ● Improve constructability ● Improve overall construction process Access Panels Access Panels Research Research Conclusions Conclusions Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Site Plan: Site Model: Background Background Foundation Walls Foundation Walls Access Panels Access Panels Research Research Conclusions Conclusions Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Foundation Wall Proposal: Foundation Wall Proposal: Background ● Issue: There is currently a lack of skilled labor in the Background ● Current System: A cast-in-place concrete wall on both Richmond area due to an abundance of projects sides of the subterranean extension. downtown. √ Walls range in size from 1’ to 2’ wide and from 12’ Foundation Walls Foundation Walls ● Projects include: to 28’ high. √ Virginia Capitol Extension and Renovation ● Proposed System: A precast wall design with the same √ Performing Arts Center Access Panels Access Panels dimensions. √ City Hall Renovation ● Solution: The precast system would save a good deal on √ Finance Building – Extensive Renovation √ MVC Medical Campus labor and schedule, but do to the design complexity the Research Research CIP system would be more suitable for this project. √ VCU Educational Campus Conclusions Conclusions Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management 2

Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Current Foundation Wall Section : Feasibility Study: ● The wall has a bentonite ● Design of precast would need to include dowels for Background Background waterproofing system moment loads and embeds for waterproofing hangers. backfilled by gravel for drainage purposes. Foundation Walls Foundation Walls Access Panels Access Panels ● Crane use: Research Research √ Current crane: 100-ton Link Belt with lifting capacity of 10,000 pounds and an 80 foot turning radius. ▪ Maximum precast lift is 36,000 pounds Conclusions Conclusions √ A 140 ton Manitowoc crane would be needed with a lifting capacity of 41,300 pounds and a turning radius of 60 feet. Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Disadvantages: Advantages: Background ● Cost Background ● Labor Needed = Precast would save 1,568 labor hours √ CIP Concrete Cast-in-Place Precast ▪ Foundation Walls: $300,200 Walls Beams Wall Panels Beams Foundation Walls ▪ Beams: $121, 200 Foundation Walls Daily Labor Hours 48 200 72 72 ▪ Total Cost: $421,400 # of days to 76 4 34 6 complete Access Panels √ Precast Concrete Access Panels Total Labor Hours 4448 2880 ▪ Structural Wall Panels: $315,400 ▪ Beams: $113,900 ● Time Required Research ▪ Total Cost: $429,300 Research √ Precast would take 40 days to complete √ CIP would require 80 days to complete. ▪ 8 weeks saved Total Cost Increase: $7,900 Conclusions Conclusions Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management Virginia Capitol Extension and Renovation Virginia Capitol Extension and Renovation Table of Results: Access Floor Proposal: Background Background ● Issue: The project is a ‘100 year renovation.’ The current Cast-in-Place Concrete Precast Concrete system does not accommodate future expansion of utilities. Cost $421,400 $429,300 Foundation Walls Foundation Walls ● Current System : Utility trenches exist under the slab on 80 days 40 days Time grade. These tunnels are made of concrete, sealed with Labor Hours 4448 2880 a 6” precast plank, and then topped with a 2” concrete Installation Area for direct picks from trucks. Ease of Access Panels Access Panels Plenty of room available on site installation. slab. Constructa- Difficult to build formwork for the Challenging. Building is on a slope, so the joints bility slopes involved. and pieces will be difficult to design and erect Research Research Quality Corners could be cut. Quality depends Manufactured in controlled factory environment. upon the laborers on site. High quality Crane/Pump Requires use of crane. A 100 ton link belt crane is Use on current site. Lifting capacity of 5 tons with an 80 Requires use of a concrete pump truck Conclusions Conclusions foot radius. A Manitowoc 3900 crane is needed for the desired lifting capacity. Weather Weather needs to be in desired temperature range and it needs to be Can be constructed during most weather conditions. protected from moisture. Eric Fritz Spring 2005 Senior Thesis Eric Fritz Spring 2005 Senior Thesis Pennsylvania State University Construction Management Pennsylvania State University Construction Management 3