fefpa summer 2017 2017/energy... · director, uf green building learning collaborative / lecturer...
TRANSCRIPT
Course Number:
Credit Designation:
TLC Engineering for Architecture
Energy Efficiency & LEED v4 Certification
at the O’Connell Center
FEFPA Summer 2017
BAHAR ARMAGHANILEED Fellow, LEED Faculty
Director, UF Green Building
Learning Collaborative / Lecturer
KRISTY M. WALSONPE, LEED AP BD+C, BEMP
Principal / Sustainability
Consultant
Presenters
TLC Engineering for Architecture is a Registered Provider with
The American Institute of Architects Continuing Education
Systems. Credit earned on completion of this program will be
reported to CES Records for AIA members. Certificates of
Completion for non-AIA members are available on request.
This program is registered with the AIA/CES for continuing
professional education. As such, it does not include the content
that may be deemed or construed to be an approval or
endorsement by the AIA of any material of construction or any
method or manner of handling, using, distributing, or dealing in
any material or product.
Energy Efficiency & LEED v4 Certification at the O’Connell Center
Courtesy:
AIALearning Objectives
Overview of Green Building rating systems
Why LEED v4?
UF O’Connell Center
Lessons Learned on the O’Connell Center
Courtesy:
AIALearning Objectives
Overview of Green Building rating systems
Learning Objective #1
Courtesy:
Green Building Rating Systems
Courtesy:
AIALearning Objectives
Why LEED v4?
Learning Objective #2
Courtesy:
LEED
v4
Why?
HOW MANYHAVE WORKED ON A
LEED PROJECT?
Materials & Resources: Intents
Reduce the amount of
materials needed
Use materials with less
environmental impact
Reduce and
manage waste
Copyright © 2015 U.S. Green Building Council
Courtesy:
Materials & Resources: Whole-Building LCA
Courtesy:
SINGLE ATTRIBUTES
MULTIPLE ATTRIBUTES
Materials & Resources: Intents
Courtesy:
Materials & Resources: Performance Paths
Courtesy:
• Potential health effect of a product
• Red list of “bad” chemicals
• Manufacturers must disclose what is in their product
• Health Product Declaration Collaborative (hpdcollaborative.org )
Materials & Resources: Health Product Declarations - HPDs
Courtesy:
Environmental Product Declarations - EPDs
• Footprint of the product
• Life cycle assessment
• Footprint – NOT health
effects
• LCA must follow
Standard ISO
requirements
Materials & Resources: Concepts
Courtesy:
Materials & Resources: Sample EPD from Vendor
Courtesy:
AIALearning Objectives
UF O’Connell Center
Learning Objective #3
Courtesy:
LEED v4 & ASHRAE 90.1-2010
Courtesy:
Pursuing LEED v4 - New Construction
Exactech Arena at the Stephen C. O'Connell Center
62Image Courtesy of
Davis Architects
Courtesy:
Project Specific Benefits & Challenges
Location & Transportation
• Campus location made it easy
• Many highly weighted credits available, transit, & density
• Too many visitors to earn Bicycle Facilities credit
Sustainable Sites
• Campus location helped
(ie, Open Space, Rainwater Management)
• Existing site – “it is what it is”
(ie, great for Heat Island Reduction,
not so great for Light Pollution Reduction)
Water Efficiency
• Water efficient fixtures = Great potable water savings
• Building irrigation not sub-metered
• Cannot meet the 2nd point for Cooling Tower Water Use
Courtesy:
Project Specific Benefits & Challenges
Energy & Atmosphere
• Commissioning
• Energy Model deep dive coming up
• Enhanced Refrigerant Management & District Plant
Materials & Resources
• Early materials sourcing and selection
• Requirements included in specs =
More opportunity for success
Indoor Environmental Quality
• Bipolar Ionization:
Great for Energy Savings, but not for LEED
• Creative CO2 Sensor locations in arena
• Interior Lighting now includes both Controllability
and Light Quality
Courtesy:
Optimizing Energy at the O’Dome
Image Courtesy of
Davis Architects
• Energy model using IES VE-
Pro (EAp2/EAc1)
• Energy model inputs
• Create and Calibrate
existing building model
• Update model with
renovation design for LEED
model
• Energy Cost Saving
Measures (ECM’s)
• Bipolar Ionization
• “Other” LEED energy credits
Courtesy:
What is an Energy Model?
• Energy model using IES
VE-Pro
• Intended to meet req’s of
LEED credits EAp2 and
EAc1
• ASHRAE 90.1-2010
Appendix G Baseline
• 3% prerequisite for major
renovations
• Up to 18 available LEED
points for major renovations
• Start early in design and
track progress
UF O’Connell Center: Energy Model Snapshot
Courtesy:
Energy Model Inputs
Exterior loads
• Walls
• Roof
• Windows
• Fabric roof
Internal loads
• Occupancy schedules
• Lighting
• Miscellaneous equipment
• Outside air
• System operation
schedulesImage Courtesy of
Davis Architects
Courtesy:
Energy Model Inputs: Fabric Roof
Courtesy:
Energy Model Inputs
Courtesy:
Calibrated/Existing Building Model
• Build Model with known inputs
• Fill in blanks with educated assumptions
• Involve building staff for input on system operations
• Electricity – assume additional process load to calibrate
• Steam – was very close with original inputs
• Chilled Water – tough to calibrate if assumed inputs don’t yield a close result
Courtesy:
LEED Energy Model
• What is the ASHRAE 90.1 Baseline?
▪ Existing Building
▪ New Construction
• LEED model vs. Actual building
• Update calibrated model with renovation design information
Courtesy:
LEED v4 & ASHRAE 90.1-2010
Courtesy:
Energy Conservation Measures - ECMs
• LED Lighting, including
Bowl lighting
• Daylight Harvesting in
the Concourse
• Occupancy Sensors on
1st Floor
• Rezoned HVAC
Systems
• Scheduled Outside Air
• Bipolar Ionization
Image Courtesy of Tim Casey
Courtesy:
College of Design, Construction and Planning
Sustainability in the Built Environment
Courtesy:
Your Future Employees
Courtesy:
Skills
Courtesy:
Students
passed
GA Exam
Credentials
Student
passed
AP Exam
26
2
Courtesy:
Employment
Valentina Franco, LEED GA
Spring 2016
Melanie Watkins, LEED GA
Spring 2016
Rains Vickery, LEED AP BD+C
Fall 2016
Courtesy:
AIALearning Objectives
Lessons Learned on the O’Connell Center
Learning Objective #4
Courtesy:
Lessons Learned: Energy Model
• Optimize time spent
developing accurate
facility schedules
• Chilled Water
Calibration…
There must be more
to the story.
•Collaboration between the design and construction
team
•Research products early in the project before DD
specs are finalized
•Finding vendors who are on board with EPD and
HPD
•Do not count on credits that used to earn in V3
Lessons Learned: Overall
Courtesy:
Thank you for your attention!