Craig Owsiany Architectural Engineering – Construction Management STEM Building Hagerstown Community College Hagerstown, Maryland 21742 Science Technology.

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Presentation transcript:

Craig Owsiany Architectural Engineering – Construction Management STEM Building Hagerstown Community College Hagerstown, Maryland Science Technology Engineering Mathematics Building STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Southwest ViewSouth ViewSoutheast View 5 Floors Size: 62, 840 SF Cost: $15.6 M Duration: 18 Months

Typical LabTypical Floor PlanEnergy Lab Craig Owsiany Architectural Engineering – Construction Management Science Technology Engineering Mathematics Building STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions

BackgroundSolutionsGoal Craig Owsiany Architectural Engineering – Construction Management STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Blasting Non Competent Rock Reduce Cost Impact Maintain Schedule Ensure Structural Integrity Analysis I: Mat Slab Redesign Structural Breadth

Structural AnalysisStructural CalculationsFindings Craig Owsiany Architectural Engineering – Construction Management Analysis I: Mat Slab Redesign Structural Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Sum Live and Deal Loads Compare Against Design Load Design>Actual=No Redesign Design<Actual=Redesign Required Mat slab designed for 8000 psf Actual Load = 38% of Design Load 10-15% load increase would require further investigation

Cost ImpactSavings Craig Owsiany Architectural Engineering – Construction Management Analysis I: Mat Slab Redesign Structural Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Total Savings = $16k

Background Redesign Craig Owsiany Architectural Engineering – Construction Management Analysis II: Green Roof Redesign Mechanical Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Conventional Green Roof 3” Low Profile Architectural Facets Negligible Thermal Value Minimal Educational Value LiveRoof System 6” High Profile Added Thermal Value Higher Educational Value

Conventional Green RoofLiveRoof SystemBenefits Craig Owsiany Architectural Engineering – Construction Management Analysis II: Green Roof Redesign Mechanical Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Faster Installation Low Maintenance Immediate Vegetation

Cost ImpactPayback Period Craig Owsiany Architectural Engineering – Construction Management Analysis II: Green Roof Redesign Mechanical Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Payback period is 28.8 years for maintenance cost alone.

Thermal Calculations Craig Owsiany Architectural Engineering – Construction Management Analysis II: Green Roof Redesign Mechanical Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions

Conventional Green Roof Heat LossCurrent Green Roof Heat LossProposed Green Roof Heat Loss Craig Owsiany Architectural Engineering – Construction Management Analysis II: Green Roof Redesign Mechanical Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Low Profile Green Roof Concrete Pavers Wood Pavers Stone Aggregate 100% LiveRoof System High Profile 8.2% reduction from conventional roof 5.0% reduction from current green roof

JustificationEducational Factor Craig Owsiany Architectural Engineering – Construction Management Analysis II: Green Roof Redesign Mechanical Breadth STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Alternate Energy Program Mechanical Engineering Thermal Cameras Heat Sensors

BackgroundRedesignGoal Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Stick Built Curtain Wall Approximately 1/3 of Building Envelope 9260 SF Lengthy Installation Time Site Congestion Short Lead Time Unitized Curtain Wall System Short Installation Time Shakeout Not Required Higher Quality Seals Long Lead Time Reduce curtain wall installation time Achieve earlier water tight date Reduce over all schedule

ScheduleSchedule Acceleration Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Original Duration: 40 Days Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions New Duration: 20 Days Stick Built System 1.Deliver Materials 2.Shakeout 3.Install Sills and Jambs 4.Install Mullions 5.Glaze 6.Caulk Unitized System 1.Deliver Modules 2.Set Module 3.Caulk

Lead TimeInstallation Time Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions WeekStick Built SystemUnitized System 1-6Obtain materials 7Fabricate/Deliver Fabricate/Deliver WeekStick Built SystemUnitized System 1Deliver/FrameDeliver/Install/Caulk 2Deliver/Frame/DimensionDeliver/Install/Caulk 3Deliver/Frame/DimensionDeliver/Install/Caulk 4Deliver/Frame/Dimension/Glaze/CaulkDeliver/Install/Caulk 5Deliver/Frame/Dimension/Glaze/Caulk 6 7Glaze/Caulk 8 Stick Built: 8 Weeks Unitized: 12 Weeks Stick Built: 8 Weeks Unitized: 4 Weeks

Sequencing – Areas of ConcernResequencing Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Reduced Curtain Wall Installation Earlier Water Tight Date Finishes MEP Rough Ins Begin MEP rough ins 1 week early. Stack MEP rough ins and finishes on 3 rd, 4 th and 5 th floors. Sync water tight date and completion of rough ins.

Accelerated Schedule Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Overall schedule reduced by 44 days

Analysis IAnalysis IIAnalysis III Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Lessons Learned o Acknowledgments o Questions Mat Slab Redesign Current mat slab will support additional load Redesign not required Further attention given at a 10-15% load increase Green Roof Redesign Cannot place an R-Value on living organisms Using an R-Value alone will not produce accurate heat transfer results Offers great value as an education tool Curtain Wall Redesign 44 days saved Higher quality product Resequencing, not accelerating the schedule “We are sequencing trades in a manner to optimize productivity for all trades involved.”

Acknowledgements Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions General Contractor Greg Ramirez, Senior Project Manager Eric Osborne, Senior Superintendent Brett Robinson, Field Engineer Owner Dawn Baker, Facilities Project Coordinator Robert Spong, Facilities Management and Planning Director Gerard Rath, Owner Rep. Architect Mark Merolla, Architect Structural Engineer Chris Johnson, Structural Engineer Penn State AE Faculty Bob Holland Rob Leicht

Questions Craig Owsiany Architectural Engineering – Construction Management Analysis III: Curtain Wall Redesign STEM Building Hagerstown Community College Hagerstown, Maryland Outline o Overview o Analysis I: Mat Slab Redesign o Analysis II: Green Roof Redesign o Analysis III: Curtain Wall Redesign o Conclusion/Findings o Acknowledgments o Questions Questions?