MEMORIAL VISTA // A North Virginia Office Building Advisor // Craig Dubler William J. Gamble // Construction Option
William J. Gamble // Construction Option Memorial Vista // Presentation Outline Image Courtesy of Google Images Image Courtesy of Google Images // Overview Location // Northern Virginia, USA I. Project Background Main East Coast Office I. Overview II. Existing Conditions Building Parameters // II. Analysis 1 // SIPS 322,725 GSF Above Grade 247,530 Below Grade III. Analysis 2 // Prefab & PV Windows 5 Stories (North Wing), 6 Stories (South Wing) 2 Levels Below Grade (Parking) IV.Analysis 3 // Automated Parking Garage V. Conclusions & Recommendations Project Parameters // Contract Value = $78.5 Million VI.Acknowledgements Dates of Construction = April 2011 – January 2014 Delivery Method = CM at Risk w/ GMP LEED Certification = 60 Points, LEED Gold Images Courtesy of Google Images
William J. Gamble // Construction Option Memorial Vista // Presentation Outline Durations Description Projected Actual // Existing Conditions PERMITS Issue Site Utilities 9/30/2011 10/11/2011 Permit Clearing, Grading, I. Project Background 9/21/2011 11/27/2011 10/6/2011 2/3/2012 Image Courtesy of Google Maps and Davis Existing & Demo Excavation, I. Overview Road to be Sheeting, & 12/20/2011 2/16/2012 11/29/2011 3/16/2012 1 Story Shoring II. Existing Conditions Footing to Grade 2/17/2012 5/10/2012 2/21/2012 7/26/2012 removed Industrial Building 12/7/2011 5/24/2012 1/17/2012 8/2/2012 CONSTRUCTION Warehouse Mobilization of Site 11/17/2011 12/2/2011 11/21/2011 1/20/2012 II. Analysis 1 // SIPS 2 Story Utility Relocations 11/28/2011 2/1/2012 1/16/2012 7/27/2012 Demolition/ 12/5/2011 2/19/2011 2/8/2012 6/14/2012 Motel Hardscaping Excavation 3/5/2012 7/13/2012 5/1/2012 9/4/2012 2 Story III. Analysis 2 // Prefab & PV Windows SOUTH Concrete 6/13/2012 10/16/2012 8/30/2012 12/11/2012 Industrial Substructure Concrete 10/24/2012 2/25/2013 12/6/2012 5/1/2013 Warehouse Superstructure IV.Analysis 3 // Automated Parking Garage Façade & Roof 1/11/2013 5/13/2013 3/25/2013 6/14/2013 2 Story Core MEP / 5/13/2013 8/29/2013 5/2/2013 10/1/2013 Finishes Industrial Elevators 4/22/2013 9/25/2013 5/8/2013 10/15/2013 2 Story V. Conclusions & Recommendations NORTH Warehouse Concrete 6/28/2012 11/14/2012 9/6/2012 1/29/2013 Industrial Substructure Concrete 11/15/2012 3/7/2013 1/18/2013 5/3/2013 Warehouse Superstructure { VI.Acknowledgements Façade & Roof 2/8/2013 5/17/2013 3/13/2013 6/10/2013 Core MEP / 5/29/2013 9/11/2013 4/12/2013 10/2/2013 Finishes 2 Story Key Elevators 3/8/2013 8/15/2013 5/10/2013 10/16/2013 LOBBY 1 Story Industrial Core MEP / 68 Work Projected Durations 4/2/2013 8/5/2013 6/17/2013 10/2/2013 Finishes Industrial Warehouse SITEWORK / INSPECTIONS Actual Durations Days Sitework 3/14/2013 6/19/2013 4/19/2013 8/29/2013 Building Substantial 6/4/2013 8/27/2013 7/19/2013 10/30/2013 Completion Punchlist 8/28/2013 10/2/2013 10/31/2013 1/6/2014 Base Building 10/2/2013 1/6/2014 Final Completion
William J. Gamble // Construction Option Memorial Vista // Presentation Outline // Analysis 1 I. Project Background II. Analysis 1 // SIPS I. Façade Study II. Building Zones III. Impact III. Analysis 2 // Prefab & PV Windows IV.Analysis 3 // Automated Parking Garage V. Conclusions & Recommendations VI.Acknowledgements
William J. Gamble // Construction Option Memorial Vista // Presentation Outline CW1A Precast Conc. W5B Composite Panel W6B Metal Panel W2 CW1B // Façade Study N. Wing I. Project Background W5A W1 W1B W6A Composite II. Analysis 1 // SIPS Metal Panel CW1D W6D CW1A CW1E I. Façade Study W3 II. Building Zones S. Wing CW4B 5WE III. Impact G3 Precast W1A W1 W6C 5WC 5WD Conc. Panel // Façade Breakdown III. Analysis 2 // Prefab & PV Windows // Crane Orientation Composite Metal Panel IV.Analysis 3 // Automated Parking Garage CW1B CW2B CW1C CW2A W3C W3B Precast W3A Conc. Panel V. Conclusions & Recommendations G3 CW4B W4 VI.Acknowledgements Composite Metal Panel Composite Metal Panel CW1B CW1C CW2A W2C CW2A Elevations Courtesy of Gensler W2B W2A Crane Layout CW3 Precast CW4C Courtesy of: Conc. Panel
William J. Gamble // Construction Option Memorial Vista // Presentation Outline CW1A Precast Conc. W5B Composite Panel W6B Metal Panel W2 CW1B // Façade Study N. Wing I. Project Background W5A W1 W1B W6A Composite II. Analysis 1 // SIPS Metal Panel CW1D W6D CW1A CW1E I. Façade Study W3 II. Building Zones S. Wing CW4B 5WE III. Impact G3 Precast W1A W1 W6C 5WC 5WD Conc. Panel // Façade Breakdown III. Analysis 2 // Prefab & PV Windows // Crane Orientation Composite Metal Panel IV.Analysis 3 // Automated Parking Garage CW1B CW2B CW1C CW2A W3C W3B Precast W3A Conc. Panel V. Conclusions & Recommendations G3 CW4B W4 VI.Acknowledgements Composite Metal Panel Composite Metal Panel CW1B CW1C CW2A W2C CW2A Elevations Courtesy of Gensler W2B W2A Crane Layout CW3 Precast CW4C Courtesy of: Conc. Panel
William J. Gamble // Construction Option Memorial Vista // Presentation Outline Table Courtesy of Davis Floor Plan Courtesy of Gensler // Building Zones SOUTH WING S. Wing = 101 Work Days / 6 Stories 150’ – 11” = 16.833 Work Days / Floor 64’ I. Project Background NORTH WING N. Wing = 66 Work Days / 5 Stories II. Analysis 1 // SIPS = 13.2 Work Days / Floor I. Façade Study II. Building Zones III. Impact 288’ – 10 7/8” 195’ – 1/4” III. Analysis 2 // Prefab & PV Windows Total L.F. of Glass Façade = 759.27 L.F. 220’ Average Ceiling Height = 11.5 ft. IV.Analysis 3 // Automated Parking Garage ZONE 7 // Building Zones Total L.F. of Glazing – 3 rd Floor = (759.27)*(11.5) ZONE 5 = 8,731.605 S.F. ZONE 3 V. Conclusions & Recommendations Total L.F. of Precast Façade = 384 L.F. ZONE 6 ZONE 1 Average Height = 5.75 ft. ZONE 4 Total L.F. of Precast – 3 rd Floor = (384)*(5.75) VI.Acknowledgements ZONE 2 = 2,208 S.F. 100’ 150’ – 11” RED = Glazing GREEN = Precast Concrete Panels = 10.245 days = 9.095 Days/ floor wing = 1.15 Days / floor wing ~ 11 Days (<16.833)
William J. Gamble // Construction Option Memorial Vista // Presentation Outline Table Courtesy of Davis Floor Plan Courtesy of Gensler // Building Zones SOUTH WING S. Wing = 101 Work Days / 6 Stories 150’ – 11” = 16.833 Work Days / Floor 64’ I. Project Background NORTH WING N. Wing = 66 Work Days / 5 Stories II. Analysis 1 // SIPS = 13.2 Work Days / Floor I. Façade Study II. Building Zones III. Impact 288’ – 10 7/8” 195’ – 1/4” III. Analysis 2 // Prefab & PV Windows Total L.F. of Glass Façade = 759.27 L.F. 220’ Average Ceiling Height = 11.5 ft. IV.Analysis 3 // Automated Parking Garage // Building Zones Total L.F. of Glazing – 3 rd Floor = (759.27)*(11.5) = 8,731.605 S.F. ZONE 3 V. Conclusions & Recommendations Total L.F. of Precast Façade = 384 L.F. Average Height = 5.75 ft. Total L.F. of Precast – 3 rd Floor = (384)*(5.75) VI.Acknowledgements = 2,208 S.F. 100’ 150’ – 11” RED = Glazing GREEN = Precast Concrete Panels = 10.245 days = 9.095 Days/ floor wing = 1.15 Days / floor wing ~ 11 Days (<16.833)
William J. Gamble // Construction Option Memorial Vista // Presentation Outline Zone 3 = Level 3 // Building Zones South Wing 152 Panels 28 Min [Precast] 35.86 min [Glazing] I. Project Background II. Analysis 1 // SIPS Spandrel Glass I. Façade Study II. Building Zones Precast Concrete III. Impact Vision Glass // 4-D Synchro Model III. Analysis 2 // Prefab & PV Windows Typical Precast Typical Glazing Panel Panel IV.Analysis 3 // Automated Parking Garage V. Conclusions & Recommendations VI.Acknowledgements
William J. Gamble // Construction Option Memorial Vista // Presentation Outline // Impact Total Installation Time for Zone 1, 3, 5, & 7 ZONE 7 I. Project Background ZONE 5 ZONE 3 II. Analysis 1 // SIPS ZONE 6 Interpolate for Zones in N. Wing ZONE 1 I. Façade Study ZONE 4 11.573 𝑒𝑏𝑧𝑡 16.833 days II. Building Zones ZONE 2 𝑔𝑚𝑝𝑝𝑠 (𝑑𝑏𝑚𝑑𝑣𝑚𝑏𝑢𝑓𝑒 𝑡𝑑ℎ𝑓𝑒𝑣𝑚𝑓 𝑒𝑣𝑠𝑏𝑢𝑗𝑝𝑜) floor (𝑝𝑠𝑗𝑗𝑜𝑏𝑚 𝑒𝑣𝑠𝑏𝑢𝑏𝑢𝑗𝑝𝑜) 𝑇. 𝑋𝑗𝑜 III. Impact 𝑂. 𝑋𝑗𝑜 = = 13.2 days 𝑌 (𝑡𝑑ℎ𝑓𝑒𝑣𝑚𝑓 𝑒𝑣𝑠𝑏𝑢𝑗𝑝𝑜 𝑔𝑝𝑠 𝑂𝑝𝑠𝑢ℎ 𝑋𝑗𝑜) floor (𝑝𝑠𝑗𝑗𝑜𝑏𝑚 𝑒𝑣𝑠𝑏𝑢𝑗𝑝𝑜) III. Analysis 2 // Prefab & PV Windows Where 𝑌 = 𝟘. 𝟏𝟖𝟔 𝒆𝒃𝒛𝒕/𝒈𝒎𝒑𝒑𝒔 Total Installation Time for Zone 2, 4, & 6 IV.Analysis 3 // Automated Parking Garage South Wing // Interpolation Floors being taken into account: 2, 3, 4, & 5 (4 floors total) V. Conclusions & Recommendations Actual duration to do these floors = (16.833 days/floor)*(4 floors) = 67.332 days SIPS duration = (11.573 days/floor)*(4 floors) = 46.292 days Difference of 21.04 days ~~ 21 days VI.Acknowledgements North Wing Floors being taken into account: 2, 3, 4, & 5 (3 floors total) 33 Days Saved Total Actual duration to do these floors = (13.2 days/floor)*(3 floors) = 39.6 days SIPS duration = (9.075 days/floor)*(3 floors) = 27.225 days Difference of 12.375 days ~~ 12 days
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