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Effectiveness of Building Information Modeling in Value Engineering, Sequencing, & Site Logistics T. C. Effectiveness of Building Information Modeling in Value Engineering, Sequencing, & Site Logistics T. C. Williams High School Replacement Project Kyle Conrad AE Senior Project – Spring 2007 Construction Management

Presentation Outline Project Background Building Information Model [ BIM ] Alternative Building Materials Analyses Presentation Outline Project Background Building Information Model [ BIM ] Alternative Building Materials Analyses Breadth Topic: Gymnasium Acoustics Breadth Topic: Heat Transfer Breadth Topic: Proposed Structural Steel Moment Frame Work Sequencing Site Logistics Conclusions & Recommendations Question & Answer Session Kyle Conrad – Construction Management

Project Background Project Site: Project Background 3330 King St. Alexandria, Virginia BIM Alternative Building Project Background Project Site: Project Background 3330 King St. Alexandria, Virginia BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Project Background Home of the Titans Original T. C. Williams High School BIM Alternative Project Background Home of the Titans Original T. C. Williams High School BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management • Over the last 50 Years existing schools condition had been degrading • Originally designed to educate grades 9 -12 • District population grew forcing 9 th grade to be relocated to a different facility • Additionally classes held in temporary classroom trailers

Project Background New Home of the Titans Project Background BIM Alternative Building Materials Gymnasium Project Background New Home of the Titans Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural • 469, 507 ft 2 educational facility • Specialty classrooms (biology, marketing, chemistry, etc. ) • Planetarium • Computer and Science Labs • Commons Area Work Sequencing • Auditorium with operable partitions to create multiple lecture halls Site Logistics • Main and Auxiliary Gymnasiums Conclusions / Recommendations • “Babies with Babies” daycare and living lab Q&A • Music Suites Frame • Auto Service Technology Shops Kyle Conrad – Construction Management Seeking LEED Certification • Create sustainable building that reduces the consumption of raw materials and energy and has a low impact on the environment

Project Background Structural System BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Project Background Structural System BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Mechanical System • Geopiers - rammed aggregate soil reinforcement • 17 rooftop AHUs • Classroom Towers – 3 story steel moment frame structure • 4 indoor AHUs • East Wing & Rooms at South End of Classroom Towers [Areas 5, 6, & 7] – Single story multi height spaces of Load Bearing CMU walls with structural steel roof beams and joists Conclusions / Recommendations Q&A Kyle Conrad – Construction Management • ranging from 1, 400 to 23, 295 cfm • Variable Air Volume System with 305 terminal units with reheating coils • A 4 pipe system supplies and returns hot and chilled water to and from 12 fan coil units

Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing 100% CDs Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Project Background Phase A-1 Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Project Background Phase A-1 Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management Phase A-2

Project Background Phase B-1 Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Project Background Phase B-1 Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management Phase B-2

Building Information Model [ BIM ] Project Background BIM Alternative Building Materials Gymnasium Acoustics Building Information Model [ BIM ] Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Goals of Building Information Model: Experiment with the interoperability between Programs Used: programs to…. • Quickly perform quantity take-offs • Autodesk Revit Building 9. 1 • Autodesk Revit Structure 4 Work Sequencing • Manipulate the original design for value engineering purposes Site Logistics • Design a structural moment frame Conclusions / Recommendations • Visualize and re-sequence the construction schedule through 4 D planning Frame Q&A Kyle Conrad – Construction Management • RAM Structural Systems • Navis. Works • Timeliner

Building Information Model [ BIM ] Autodesk Revit Building 9. 1: • Developed structural Building Information Model [ BIM ] Autodesk Revit Building 9. 1: • Developed structural grid based on construction drawings provided by Hensel Phelps Project Background BIM • Initially generated building model with generic wall types to speed the modeling process of Areas 5, 6, & 7 Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations • Adjusted wall types to complete a CMU and Solarcrete version • Generated wall schedules to perform QTO of materials to be exported to Excel Q&A Kyle Conrad – Construction Management • Created massing models of Areas 14 to accurately render the appearance of the school

Building Information Model [ BIM ] Project Background BIM Alternative Building Materials Gymnasium Acoustics Building Information Model [ BIM ] Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Building Information Model [ BIM ] Project Background Autodesk Revit Structure 4: • Directly Building Information Model [ BIM ] Project Background Autodesk Revit Structure 4: • Directly opened generic model created by Revit Building 9. 1 BIM Alternative Building Materials • Developed generic structural steel frame for main gymnasium Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Navis. Works: • Exported Revit file to Navis. Works • Used Timeliner Mode to open Microsoft Project Summary Schedule compiled from Suretrak schedule provided by HP • Attached schedule task to building model components Kyle Conrad – Construction Management • Isolated and exported steel frame to RAM for structural analysis and member sizing • Loaded RAM model back into Autodesk Structure 4 to develop structural framing and column schedules for QTO (presented later)

Alternative Building Materials Project Background • Structural Insulated Concrete Composite Wall Panel BIM Alternative Alternative Building Materials Project Background • Structural Insulated Concrete Composite Wall Panel BIM Alternative Building Materials • 7 -1/4” expanded polystyrene [EPS] foam insulation (R-Value of 36) Gymnasium Acoustics • #3 Rebar (Grade 60) Heat Transfer • (2) 2 -3/8” layers of fiber reinforced shotcrete (pneumatic application) Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A • Polymer alloy wall ties act as a thermal barrier compared to original steel design • Improving energy efficiency of wall system • Plastic straps slide through tie slots to band panels together Kyle Conrad – Construction Management

Alternative Building Materials • Fabricated in controlled environment increasing worker productivity and reducing site Alternative Building Materials • Fabricated in controlled environment increasing worker productivity and reducing site congestion Project Background BIM • 2’ x 4’ rebar grid both sides of wall Alternative Building Materials • Vertical reinforcement runs entire height of wall Gymnasium Acoustics • Horizontal reinforcement 4’ o. c. on alternating sides of wall Heat Transfer Structural • Vertical Control joints wire tied to horizontal reinforcing at a maximum of 8’ o. c. Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A • Transported to site • Just-in-Time delivery possible to reduce the need for on-site material storage areas and double-handling of materials Kyle Conrad – Construction Management

Alternative Building Materials • Structurally superior to CMU – according sales representative Project Background Alternative Building Materials • Structurally superior to CMU – according sales representative Project Background • High wall assemblies often require structural steel support frame to aid in the resistance to lateral loading BIM Alternative Building Materials Gymnasium • Increase of erection of prefabricated panels Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations • Lightweight panels tilted-up into place via boom lifts or cranes • Anchored into continuous footing Q&A Kyle Conrad – Construction Management

Alternative Building Materials • Structural concrete without the labor intensive formwork process Project Background Alternative Building Materials • Structural concrete without the labor intensive formwork process Project Background BIM • Enables curvilinear design at economical cost Alternative Building Materials • 4000 psi fiber reinforced concrete sprayed with an air pressurized hose and screeded to a thickness of 2 -3/8” on both sides of panel Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A • Acrylic stucco most common exterior finish • Face Brick Application • Elastomeric or acrylic paints are the most common interior finish Kyle Conrad – Construction Management

Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Gymnasium Acoustics Project Background BIM Calculations Run For: Alternative Building Materials • Open Gymnasium Gymnasium Acoustics Project Background BIM Calculations Run For: Alternative Building Materials • Open Gymnasium Acoustics Heat Transfer Structural Frame • Bleachers Retracted • ¾ Occupancy • Full Occupancy Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management Reverberation Time • 5 seconds • 2 seconds

Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Gymnasium Acoustics Project Background Noise S. T. O. P. Fabrisorb™ • High Impact BIM Gymnasium Acoustics Project Background Noise S. T. O. P. Fabrisorb™ • High Impact BIM • Fabric Wrapped Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Gymnasium Acoustics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Heat Transfer Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Heat Transfer Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Heat Transfer Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Heat Transfer Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Energy Calculations Project Background Carrier’s Hourly Analysis Program [HAP] Analysis of Gymnasium Designs BIM Energy Calculations Project Background Carrier’s Hourly Analysis Program [HAP] Analysis of Gymnasium Designs BIM $7, 078 Alternative Building Materials -3, 762 Gymnasium Acoustics Heat Transfer Structural Frame $3, 316 per AHU 3 Units => $9, 948 energy savings / year Work Sequencing Site Logistics Conclusions / Recommendations Q&A Determine the additional cost of energy required to operate the supply fans and cooling system to compensate for energy loss through the gymnasium walls Estimated off $0. 06 / k. Whr utility cost Kyle Conrad – Construction Management

Structural Moment Frame Autodesk Revit Structure 4 • Register with RAM International to obtain Structural Moment Frame Autodesk Revit Structure 4 • Register with RAM International to obtain link for exporting Revit Structure 4 files to RAM Project Background BIM • Install Link Alternative Building Materials • Reopen Revit Structure 4 to export model to RAM Gymnasium Acoustics Heat Transfer Structural Frame • Apply Loads per contract drawings RAM Structural Systems • Basic Wind Speed Work Sequencing • 90 mph Site Logistics • Exposure B Conclusions / Recommendations Q&A • Importance Factor of 1. 15 applied to loading per structural engineer’s direction Kyle Conrad – Construction Management

Structural Moment Frame Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Structural Moment Frame Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management

Work Sequencing / Site Logistics Using Navis. Works Timeliner Project Background BIM Alternative Building Work Sequencing / Site Logistics Using Navis. Works Timeliner Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Current CMU Construction Simulation • 395 day structural system construction duration Frame Work Sequencing Resequenced CMU Construction Simulation • 695 day structural system construction duration Site Logistics • 252 day project schedule extension Conclusions / Recommendations Proposed Solarcrete System Construction Simulation Q&A • 158. 5 day structural system construction duration • 17 day project schedule reduction Kyle Conrad – Construction Management

Site Logistics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Site Logistics Project Background BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management • Work Flow progresses toward material staging and storage area • Extends duration that the bulk of construction materials transported to designated areas without interference from work in place • Reduces need to use public access roadway to transport materials

Conclusions / Recommendations Project Background BIM Alternative Building Materials Gymnasium 15 % Higher Acoustics Conclusions / Recommendations Project Background BIM Alternative Building Materials Gymnasium 15 % Higher Acoustics $9, 930 Heat Transfer Structural Frame Work Sequencing 20, 557 reduced mhrs Site Logistics Conclusions / Recommendations Q&A • Further Analysis to reduce HVAC System Kyle Conrad – Construction Management

Question & Answer Session Special Thanks to: Project Background Justin Bem – Mechanical Support Question & Answer Session Special Thanks to: Project Background Justin Bem – Mechanical Support Heather Sustersic – Structural Support BIM Alternative Building Materials Gymnasium Acoustics Heat Transfer Structural Frame Don Oberlin – Tri-State Solarcrete Ted Weidman – Acoustical Surfaces, Inc. Alicia Flynn & Troy Rector – Hensel Phelps Construction Company CM Faculty Work Sequencing Site Logistics Conclusions / Recommendations Q&A Kyle Conrad – Construction Management