Living Building Challenge 4.1 Program Manual
April 2024
April 2024
Table of Contents
Living Building Challenge 4.1 Program Manual
April 2024
Living Building Challenge 4.1 Program Manual — April 2024
April 2024
Copyright
Acknowledgments
Executive Summary
Building a Living Future
Introduction
Introduction to the Living Building Challenge 4.1
How the Living Building Challenge Works
How to Use the Program Manual
Additional Tools and Support
Other ILFI Programs
Cross-Petal Compliance Details
Project Boundary and Floor Area
Living Transect
Typology
Scale Jumping and Handprinting
Place Petal Compliance Details
I01 – Ecology of Place (Core Imperative)
Intent + Requirements
Clarifications
Ecology of Place Clarifications
Ecological Clarifications
Social and Cultural Clarifications
General Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I02 – Urban Agriculture
Intent + Requirements
Clarifications
Requirements Clarifications
General Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I03 – Habitat Exchange
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I04 – Human-Scaled Living (Core Imperative)
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Water Petal Compliance Details
I05 – Responsible Water Use (Core Imperative)
Intent + Requirements
Clarifications
Potable Water Reduction Clarifications
Irrigation Clarifications
Stormwater Clarifications
Water Handprinting for Affordable Housing Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I06 – Net Positive Water
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Energy Petal Compliance Details
I07 – Energy + Carbon Reduction (Core Imperative)
Intent + Requirements
Clarifications
Embodied Carbon Calculation Clarifications
Embodied Carbon Reduction Clarifications
Energy Baseline Clarifications
Energy Use Clarifications
Performance Period Clarifications
Renewable Energy Clarifications
Zero Ready Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I08 – Net Positive Carbon
Intent + Requirements
Clarifications
Embodied Carbon Offset Clarifications
Embodied Carbon Threshold Clarifications
Energy Budget Clarifications
Energy Use Clarifications
Performance Period Clarifications
Renewable Energy Clarifications
Resiliency Strategy
Sub-metering Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Health and Happiness Petal Compliance Details
I09 – Healthy Interior Environment (Core Imperative)
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I10 – Healthy Interior Performance
Intent + Requirements
Clarifications
IAQ Testing Clarifications
CDPH Clarifications
General Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I11 – Access to Nature
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Materials Petal Compliance Details
I12 – Responsible Materials (Core Imperative)
Intent + Requirements
Clarifications
Declare Product Clarifications
Living Product Challenge Clarifications
Materials Petal Scope Clarifications
Sourcing Distance Clarifications
Volatile Organic Compound (VOC) Content Clarifications
Waste Diversion Clarifications
Wood Sourcing Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I13 – Red List
Intent + Requirements
Clarifications
Accepted Documentation
Red List Project Vetting Scope
Volatile Organic Compounds (VOCs)
LBC Watch List and Red List Update Process
Chemical Abstract Service Registry Numbers (CASRNs) and Red List Classes
In Situ Materials
Miscellaneous Hardware and Accessory Products
Recycled, Salvaged, and Surplus Materials
Small Electrical Components
Special CASRN Reporting Requirements
Unintentional Trace Amounts
Exceptions
Exception Evaluation
General Exceptions
Specific Exceptions by Chemical Class
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I14 – Responsible Sourcing
Intent + Requirements
Clarifications
Declare Product Clarifications
Forest Stewardship Council (FSC) Project Certification Clarifications
Industry Advocacy
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I15 – Living Economy Sourcing
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I16 – Net Positive Waste
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Equity Petal Compliance Details
I17 – Universal Access (Core Imperative)
Intent + Requirements
Clarifications
Exceptions
Scale Jumping
Calculations
Documentation Requirements
Case Studies
Resources
I18 – Inclusion (Core Imperative)
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Beauty Petal Compliance Details
I19 – Beauty + Biophilia (Core Imperative)
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I20 – Education + Inspiration (Core Imperative)
Intent + Requirements
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Approved Regional Equivalencies
Oceania
North America
Asia
ILFI Program Glossary
A-G Terms
H-P Terms
Q-Z Terms
Summary of Changes
Previous Versions of the Manuals
Download as PDF
I17 – Universal Access (Core Imperative)
Equity Petal Compliance Details
Intent + Requirements
