1099 1099 1099 1099 New Y New York rk Av Avenue W W Washing ashington, ton, D D.C. D C D William William lliam D lliam D D. Cox D Cox Cox Cox Constructi Construction Management on Management April 14 April 14, 2008 , 2008 Penn State AE Senior Thesis
Presentation Outline Agenda A d � Project Overview � LEED Evaluation � Green Roof Energy Analysis (Mechanical Breadth) � Green Roof Structural Analysis (Structural Breadth) � Green Roof Structural Analysis (St t l B dth) � Process Mapping MEP Coordination with Building Information Modeling Information Modeling � Summary & Conclusions � Questions Construction Management William Cox Penn State AE Senior Thesis
Project Overview j A Agenda d Project Overview LEED LEED Evaluation Green Roof Energy Analysis Green Roof Structural Analysis Analysis � 173,260 Square Feet of Premier Office and Retail Space Process � 11 Stories Above Grade, 4 Stories Below Grade Parking Mapping MEP Coordination � Construction Costs: $31,600,000 � Project Duration: June 2006 through March 2008 Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Project Team j A Agenda d Owner Project Overview LEED LEED Evaluation Green Roof Energy Analysis Architect Structural Engineer MEP Engineer General Contractor Green Roof Structural Analysis Analysis Tadjer ‐ Cohen ‐ Edelson Syska Hennesy James G. Davis Process Group Construction Mapping MEP Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Project Features j Agenda A d Structure Project Overview � Foundation rests on 3,000psi Grade Beams and Spread Footings Beams and Spread Footings LEED LEED Evaluation � Parking Deck Structure comprised of Green Roof combination 4”, 8” and 12” Energy Analysis reinforced concrete decks Green Roof � Building frame is 4,000 psi post ‐ Structural Analysis Analysis tensioned concrete with an Effective tensioned concrete with an Effective Post Tensioning Strength between Process 100 and 1000 kips Mapping MEP Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Project Features j Agenda A d Mechanical Project Overview � (2) 1440 GPM 500 ton Cooling LEED LEED Towers serve (15) Self ‐ Contained ( ) lf d Evaluation Water Cooled Air Conditioning Units at each level Green Roof Energy Analysis � VAV Boxes with Reheat Coils to distribute air throughout occupied Green Roof Structural spaces Analysis Analysis Process Mapping MEP Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Project Features j Agenda A d Electrical Project Overview � Building Serviced by a 3 φ , 4 ‐ Wire, LEED LEED 460/265 Volt, 4000A Main Bus that / Evaluation steps down through (3) 30KVA, 3 φ , 460/120V Transformers Green Roof Energy Analysis � Emergency Power Supplied by (1) Green Roof Structural 350/438 KW/KVA 480/277V Analysis Analysis Generator G t Process Mapping MEP Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Project Features j Agenda A d Curtainwall Project Overview � South and West facades are LEED LEED constructed of a high performance, Evaluation low ‐ e coated insulated glass system Green Roof Energy � “Fish ‐ scale” assembly, each panel � Fish scale assembly, each panel Analysis lies in a separate geometric plane Green Roof � North and East facades composed of Structural Analysis Analysis f face brick and punch ‐ out windows b i k d h t i d Process Mapping MEP Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Ac Achieving Sust Sustainability ainability Penn State AE Senior Thesis
Ac Achieving Sust Sustainability ainability Penn State AE Senior Thesis
Achieving Sustainability g y A Agenda d Problem Project Overview � After construction for 1099 New York Avenue had LEED LEED already been underway, Tishman Speyer enacted a Evaluation new policy that state all new construction projects Green Roof must be a minimum of LEED Silver Energy Analysis Objective Green Roof Structural � Investigate project as designed to determine the Analysis Analysis credits already earned � Develop guidelines for areas of improvement on Process Mapping MEP 1099 New York Avenue and Future Projects Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Achieving Sustainability g y Agenda A d LEED Silver Project Overview � United States Green Building Council states that LEED LEED a core and shell construction project must earn Evaluation a minimum of 28 Credits to be rated LEED Silver Green Roof Energy � Six areas of focus � Six areas of focus Analysis 1. Sustainable Sites Green Roof 2. Water Efficiency Structural 3. Energy & Atmosphere Analysis Analysis 4. Materials & Resources Process 5. Indoor Environmental Quality Mapping MEP 6. Innovation & Design process Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Achieving Sustainability g y Agenda A d Evaluation of Current Credits Obtained Project Overview Sustainable Sites (3 Credits) LEED LEED Evaluation Water Efficiency (2 Credits) Green Roof Energy Energy & Atmosphere (3 Prerequisites) Energy & Atmosphere (3 Prerequisites) Analysis Green Roof Materials & Resources (2 Credits) Structural Analysis Analysis Indoor Environmental Quality (1 Prerequisite, 2 Credits) Process Mapping MEP Coordination Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Achieving Sustainability g y Agenda A d Evaluation of Credits to be Obtained Project Overview Target Areas Target Areas LEED LEED � Sustainable Sites (5 Credits) Evaluation � Water Efficiency (1 Credit) Green Roof � Energy & Atmosphere (3 Credits) Energy � Materials & Resources (1 Prerequisite, 4 Credits) Analysis � Indoor Environmental Quality (1 Prerequisite, 6 Credits) Green Roof Structural Analysis Analysis 9 Previously Earned Process Mapping MEP + 19 To be Earned Coordination Total: Total: 28 Credits 28 Credits Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Achieving Sustainability g y Agenda A d How can these credits be obtained? Project Overview � Install bicycle racks within close proximity of the fitness center LEED LEED Evaluation � Reserve priority parking spaces for fuel efficient vehicles Green Roof � Reduce water usage by 20% Energy Analysis � Install a green roof that covers more than 50% of the building Green Roof footprint Structural Analysis Analysis � Implement a Construction Waste Management Plan � Implement a Construction Waste Management Plan Process � Use materials containing recycled content Mapping MEP Coordination � Control pollution of the indoor environment � Control pollution of the indoor environment Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Achieving Sustainability g y Agenda A d Why a Green Roof? Project Overview � Reduce Stormwater Runoff LEED LEED • Can retain up to 2” of rainfall Evaluation � Reduce Urban Heat Island Green Roof • Decreases in the release of greenhouse gases Energy � Increased Service Life of Materials � Increased Service Life of Materials Analysis • Standard life cycle of 50 years � Energy Conservation Green Roof Structural • Up to 50% reduction in consumption on the top floor Analysis Analysis � Improvement of the Aesthetic Environment Process • Building already has a public access roof, enhance it! Mapping MEP � Re ‐ Green Washington, D.C. Coordination • Initiative by ASLA for 21 700 000 sq ft of green roofs to be Initiative by ASLA for 21,700,000 sq ft of green roofs to be installed within the District of Columbia in the next 20 years Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
Green R Green Roof oof Energ Energy Conser Conservation Conser Conservation tion tion Anal Analysis ysis Penn State AE Senior Thesis
Green Roof Energy Analysis gy y Agenda A d Problem Project Overview � The performance of a green roof varies upon: LEED LEED • Material Composition Evaluation • Orientation Green Roof • Area of Coverage Energy • Ratio of Coverage Area to Building Area • Ratio of Coverage Area to Building Area Analysis Objective Green Roof Structural Analysis Analysis � Develop an energy model of the building using TRACE � 700 that includes the thermal properties of a green Process Mapping MEP roof and compare against an energy model of the Coordination building as it was originally designed building as it was originally designed Summary & Conclusions Construction Management William Cox Penn State AE Senior Thesis
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