Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School Episcopal High School Alexandria, VA Alexandria, VA New Science Facility New Science Facility Alexandria, VA Presentation Outline Presentation Outline Jack E. Nill III Introduction Introduction Construction Management Project Background Project Background Dr. Messner Wall System Analysis and Redesign Wall System Analysis and Redesign Mechanical Analysis Mechanical Analysis Storm Water Reclamation System Analysis Storm Water Reclamation System Analysis Conclusions & Recommendations Conclusions & Recommendations Senior Thesis Presentation Spring 2005 Questions Questions Senior Thesis Presentation Spring 2005 The Pennsylvania State University The Pennsylvania State University Jack E. Nill III Senior Thesis Spring 2005 Construction Management Penn State University Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Alexandria, VA Alexandria, VA Alexandria, VA Alexandria, VA Introduction Introduction Project Background Project Background Introduction Introduction Introduction Intended Use: Project Project Project As a laboratory and science teaching facility for Episcopal High School Project Cost: $9.1 Million Background Background Background Wall System Wall System Project Size: 43,000 SF, 2 Stories Analysis Analysis Architecture: Red Brick Façade with Aluminum Paneling Mechanical Mechanical Key Issues/Features: Architectural Rotunda with Aluminum framed glazing Analysis Analysis 1. LEED Silver Rating Greenhouse on south end 2. Laboratory Fume Hoods require 100% outside air SWR Systems SWR Systems 3. Unique Storm Water Management system Analysis Analysis Project Start : August 2004 4. Architectural Rotunda to geographically tie to Jefferson Memorial Project Finish: May 2005 Conclusions Conclusions 5. Four different types of Laboratories with in the facility Senior Thesis Spring 2005 Senior Thesis Spring 2005 Jack E. Nill III Jack E. Nill III Construction Management Penn State University Construction Management Penn State University Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Alexandria, VA Alexandria, VA Alexandria, VA Alexandria, VA Project Background Project Background Project Background Project Background Introduction Introduction Project Team Relevant Systems Background Project Project Project Project Owner/Occupant: Episcopal High School Building Envelope: Background Background Background Background •Red Brick Veneer •Metal Stud Back-up Design Wall System Wall System •½” Sheathing Architect: Graham Gund Architects Analysis Analysis •Typical Building Paper with continuous vapor barrier Structural Engineer: LeMessurier Consultants •Batt insulation Mechanical MEP Engineer: R.G. Vanderweil Mechanical •Gypsum Wall Board Analysis Analysis Project Management Mechanical System: SWR Systems SWR Systems General Contractor: Forrester Construction •Air cooled Rotary Chiller (194 Tons), Analysis Analysis CM: Advanced Project Management •Split-System Air-Conditioning Unit System w/ VAV and CV boxes •Three Air Handling Units totaling 37450 cfm capacity Conclusions Conclusions Senior Thesis Spring 2005 Senior Thesis Spring 2005 Jack E. Nill III Jack E. Nill III Construction Management Construction Management Penn State University Penn State University 1
Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Alexandria, VA Alexandria, VA Alexandria, VA Alexandria, VA Project Background LEED Summary Project Background LEED Summary Introduction Introduction LEED LEED- -NC Silver Rating (33 NC Silver Rating (33- -38 point) 38 point) Project Project Project Project • EHS New Science Facility scheduled to obtain 33 points Background Background • EHS New Science Facility scheduled to obtain 33 points Background Background Wall System Wall System Focus Areas: Focus Areas: Analysis Analysis 1. EA 1. EA – – Energy and Atmosphere Energy and Atmosphere Mechanical Mechanical (3 of 17 possible points and all Prerequisites met) (3 of 17 possible points and all Prerequisites met) Analysis Analysis 2. 2. WE WE – – Water Efficiency Water Efficiency SWR Systems SWR Systems (5 of 5 possible points and all Prerequisites met) (5 of 5 possible points and all Prerequisites met) Analysis Analysis 3. ID 3. ID - - Innovation and Design Process Innovation and Design Process Conclusions Conclusions (3 of 5 possible points) (3 of 5 possible points) Jack E. Nill III Senior Thesis Spring 2005 Jack E. Nill III Senior Thesis Spring 2005 Construction Management Penn State University Construction Management Penn State University Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Alexandria, VA Alexandria, VA Alexandria, VA Alexandria, VA Analysis I: Wall System Analysis and Redesign Analysis I: Wall System Analysis and Redesign Analysis I: Wall System Analysis and Redesign Analysis I: Wall System Analysis and Redesign Introduction Introduction Background Background : : Project Project Background •Up to 40% of energy consumed to heat or cool a building is due to Background Causes of Infiltration Air infiltration. 1. The Stack Effect Wall System Wall System Wall System Wall System Analysis Analysis Analysis Analysis 2. Chimney’s Goals Goals : : 3. Wind Mechanical Mechanical •Implement a Zero Percent Air Infiltration System in order to lower the Analysis Analysis infiltration values of the wall system significantly, analyze the impacts of 4. Forced Hot-Air Heating Systems the new system, and determine the feasibility of the new system in green SWR Systems SWR Systems construction practices. Analysis Analysis Conclusions Conclusions Senior Thesis Spring 2005 Senior Thesis Spring 2005 Jack E. Nill III Jack E. Nill III Construction Management Penn State University Construction Management Penn State University Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Episcopal High School New Science Facility Alexandria, VA Alexandria, VA Alexandria, VA Alexandria, VA Advantages of Using an Air Barrier Advantages of Using an Air Barrier Analysis I: Wall System Analysis and Redesign Analysis I: Wall System Analysis and Redesign Introduction Introduction Project Project Background • Prevent premature deterioration of the building envelope Background Design Criteria Design Criteria • Enhance thermal performance of the structure and save energy Wall System Wall System • • Air Barrier Product: Grace Perm Air Barrier Product: Grace Perm- -A A- -Barrier membrane in place of Barrier membrane in place of Wall System Wall System costs Building Paper and Continuous Vapor Barrier Building Paper and Continuous Vapor Barrier Analysis Analysis Analysis Analysis • Improve comfort for the building occupants • Grace Perm- -A A- -Barrier Wall conditioner applied prior to self adhesive Barrier Wall conditioner applied prior to self adhesive • Grace Perm • Decreased moisture infiltration into wall cavity, lowering Mechanical Mechanical membrane membrane probability of mold issues within the building envelope Analysis Analysis • Membrane wrapped into window frames and sealed by glazer • Membrane wrapped into window frames and sealed by glazer SWR Systems SWR Systems • • Bituthene mastic used to seal all penetrations Bituthene mastic used to seal all penetrations Analysis Analysis • Perm- -A A- -Barrier Wall Flashing used and sealed to membrane Barrier Wall Flashing used and sealed to membrane • Perm Conclusions Conclusions Senior Thesis Spring 2005 Senior Thesis Spring 2005 Jack E. Nill III Jack E. Nill III Construction Management Construction Management Penn State University Penn State University 2
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