410 likes | 545 Views
AB114 -2 LEED ®- ing Your Project Into the Green Revolution. Nick Bower, Assoc. AIA Advanced Solutions, Inc. – Technical Engineer. Presentation Agenda . Introduction and Background. After this course you will be able to: Describe the LEED EQc8.1 Daylight Credit
E N D
AB114 -2LEED®-ing Your Project Into theGreen Revolution Nick Bower, Assoc. AIA Advanced Solutions, Inc. – Technical Engineer
Introduction and Background • After this course you will be able to: • Describe the LEED EQc8.1 Daylight Credit • Understand how Glazing Factors (GF) are calculated • Predict how the sun’s position affects glazing • Explain how the building can be analyzed in Green Building Studio and the IES Sustainability Toolkit • About the Speaker Nick Bower, a graduate of Ohio State University with a Bachelor of Science in Architecture, serves as a Technical Engineer for Advanced Solutions, Inc. with a focus on the Autodesk® Revit® Architecture and Navisworks® Manage software solutions. After graduating from Ohio State University, Mr. Bower worked in the residential design field. As a Technical Engineer for Advanced Solutions, Inc., Mr. Bower has many tasks and responsibilities, including the analysis of software solutions and the implementation of vertical base software solutions.
LEED EQc8.1 Overview • 2 Sides to the Story • Prescriptive • 75% of Spaces = Ratio Requirement • 0.15 < VLT x WFR > 0.18 • Manual Calculation • Schedules • Revit Architecture / MEP • Simulation • Min 75% of Spaces = 25fc • Computer Model Analysis • Weather Data • Ecotect, GBS, IES <VE>
LEED EQc8.1 Overview • Prescriptive Option Thoughts • Separate Analysis Model? • Curtain Systems or Windows? • Credit Metrics • VLT = Visible Light Transmittance • WFR = Window to Floor Ratio • Glazing Factor (GF) = VLT x WFR • Rooms = 0.15 > (GF) > 0.18
LEED EQc8.1 Overview • Prescriptive Option Tips • Set up Schedules in Revit • Maximize Data Available • Create Calculated Values • Analyze the Data • Change the Design • Rinse and Repeat as Desired
Achieving LEED EQc8.1 with Revit Architecture • General Model Info • Small Conceptual Model • Approximately 13,100SF • 16 Classrooms (Primary Learning) • 8 Shared Offices (Counted) • Corridors, Stairwells, Etc. (Not Counted) • Schedules Created: • Master Window Schedule • Master Room Schedule • EQc8.1 Specific Window Schedule • EQc8.1 Specific Room Schedule
Achieving LEED EQc8.1 with Revit Architecture • EQc8.1 Specific Window Schedule • Parameters Added • Width • Height • Head Height • Sill Height • Project Parameter Created • Room Association • Calculated Values • Actual Window Area • Adjusted Sill Height • Adjusted Window Area Width x Height if(Sill Height < 2' 6", 2' 6", Sill Height) (Head Height - Adjusted Sill Height) * Width
Achieving LEED EQc8.1 with Revit Architecture • EQc8.1 Specific Room Schedule • Parameters Added • Number, Area, Level • Project Parameters Created • Regularly Occupied Space • Window Area • VLT (Visible Light Transmittance) • Calculated Values Created • WA to FA • Glazing Factor • Applicable SF Window Area / Area WA to FA * VLT if(and(Glazing Factor < 0.18, Glazing Factor > 0.15), Area, 0 SF)
Achieving LEED EQc8.1 with Revit Architecture • Understanding the Results • Total Regularly Occupied Area • 8,856SF • Total Applicable Area • 4,025SF • Area Meeting Glazing Factor • 45.4% 0.306 WFR * 0.3 VLT = 0.092GF Does Not Qualify 0.417 WFR * 0.7 VLT = 0.334GF Does Not Qualify
Achieving LEED EQc8.1 with Revit Architecture • Option 1 • Rooms 109-112 & 209-212 • Decreased SF to 24SF 0.238 WFR * 0.7 VLT = 0.167GF Qualifies • Updated Results • Total Regularly Occupied Area • 8,856SF • Total Applicable Area • 4,831SF 0.238 WFR * 0.7 VLT = 0.167GF Qualifies
Achieving LEED EQc8.1 with Revit Architecture DOES THIS OPTION RECEIVE THE CREDIT? NO WHY? HOW MANY CREDITS? 75% of Reg. Occ. Spaces = 0 pts 75% of Core Learning = 0 pts 90% of Core Learning =0 pts 95% of Core Learning = 0 pts* Total0 pts* 4,831 / 8,856 = 54.5% * 95% Daylighting may be eligible for Exemplary Performance Credit
Achieving LEED EQc8.1 with Revit Architecture • Option 2 • Rooms 201-208 • Increased VLT to 0.55 • Rooms 209-214 • Decreased SF to 22SF • Updated Results • Total Regularly Occupied Area • 8,856SF • Total Applicable Area • 8,453SF 0.306 WFR * 0.55 VLT = 0.168GF Qualifies 0.218 WFR * 0.7 VLT = 0.153GF Qualifies
Achieving LEED EQc8.1 with Revit Architecture DOES THIS OPTION RECEIVE THE CREDIT? YES WHY? HOW MANY CREDITS? 75% of Reg. Occ. Spaces = 1 pt 75% of Core Learning = 1 pt 90% of Core Learning =1 pt 95% of Core Learning = 1 pt* Total4 pts* 8,453 / 8,856 = 95.4% * 95% Daylighting may be eligible for Exemplary Performance Credit
LEED EQc8.1 Overview • 2 Sides to the Story • Prescriptive • 75% of Spaces = Ratio Requirement • 0.15 < VLT x WFR > 0.18 • Manual Calculation • Schedules • Revit Architecture / MEP • Simulation • Min 75% of Spaces = 25fc • Computer Model Analysis • Weather Data • Ecotect, GBS, IES <VE>
LEED EQc8.1 Overview • Simulation Thoughts and Tips • Utilize the Proper Tools for the Job • Create a Building Information Model • Work Early in the Design Process (SD) • Set the Model Requirements • Maximize Glazing and VLT • Utilize Passive Design Techniques • Simulation Tools for Discussion • Autodesk Ecotect Analysis 2010 • Autodesk Green Building Studio • Integrated Environmental Solutions
Ecotect Analysis 2010 • Controlling Shadows and Time of Day • Quickly Show Shadows for the Equinox • Efficiently Determine Shaded Surfaces
Ecotect Analysis 2010 • Utilizing Solar Rays • Tag Several Objects as a Solar Reflector • Test Window Configurations & Solar Shades
Ecotect Analysis 2010 • Utilizing Solar Rays • Determine Light Shelf Depths • Example 1 • 1’-0” Light Shelves March 21 – 12:00 September 21 – 12:00 December 21 – 12:00
Ecotect Analysis 2010 • Utilizing Solar Rays • Determine Light Shelf Depths • Example 2 • 3’-0” Light Shelves March 21 – 12:00 September 21 – 12:00 December 21 – 12:00
Ecotect Analysis 2010 • Material Assignments • Controls Material Properties • Sets: • VLT • Reflectivity
Ecotect Analysis 2010 • Grid Analysis • Set up Grid 30” Above Floor • Visualize the Analysis Grid in Plan / Perspective
Ecotect Analysis 2010 • Grid Analysis • Create 3D Analysis Grids • Run Analysis for any Day of the Year • Display Averages and Point by Point Footcandles
Ecotect Analysis 2010 • Grid Analysis • Option 1 • VLT = .55 • Reflectivity = .737 • Low Ray-Tracing • Uniform Sky • March 21 @ 9:00am
Ecotect Analysis 2010 • Grid Analysis • Option 2 • VLT = .85 • Reflectivity = .737 • Low Ray-Tracing • Uniform Sky • March 21 @ 9:00am
Creating Light Studieswith Ecotect Analysis WHO CARES?
Green Building Studio • General Thoughts • Revit MEP vs. Revit Architecture • Room vs. Spaces • Web-based Interface • User Settings Are Vital • Project Location is Very Important • Only Calculates LEED v2.2 • Calculations done for you!
Green Building Studio • Set up the Project • www.greenbuildingstudio.com • Create Multiple Projects • Use Real-World Locations • Set Project Defaults
Green Building Studio • User Settings • Set the North/Non-North Glazing • Limited Types • Choose Closest Type
Green Building Studio • Upload the Model • Using Revit MEP? • Use Spaces • Set Space Types • Using Revit Architecture? • Use Room • CAN’T Set Room Types • Upload the Model from Revit • Run Multiple Iterations
Green Building Studio • Analyze the Results • Determine if the Project Passes • Analyze Individual Rooms • Make Design Changes and Re-run
IES <VE> Sustainability Toolkit • Overview • Multi-Analysis Tool • LEED EQc8.1 (2009 & 2.2) • Add-On to Revit Architecture & MEP • Intuitive • Run Multiple Iterations
IES <VE> Sustainability Toolkit • Set up the Analysis • Create gbXML Automatically in Revit • Set Space/Room Types & Location • Choose the LEED Analysis • Exclude Non-Occupied Spaces • Run the Analysis
IES <VE> Sustainability Toolkit • Analyze the Results • View Room by Room Results • Average Footcandle Level • Average Daylight Factor
IES <VE> Sustainability Toolkit • Final IES Thoughts • IES <VE> is a stand alone solution • GAIA for LEED • Faster Analysis Results
Please Complete Class Survey at KioskEnter to win a free pass for AU 2010