Living Building Challenge 4.0
May2024
May2024
Table of Contents
Living Building Challenge 4.0
May2024
Living Building Challenge 4.0 — May2024
May 2024
Copyright
Introduction
Introduction to the Living Building Challenge 4.0
How to Use the Program Manual
Additional Tools and Support
Other ILFI Programs
Place Petal
I01 – Ecology of Place (C1)
Imperative Overview
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
Imperative Overview
Clarifications
Requirements Clarifications
General Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I03 – Habitat Exchange
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I04 – Human-Scaled Living (C2)
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Water Petal
I05 – Responsible Water Use (C3)
Imperative Overview
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
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Energy Petal
I07 – Energy + Carbon Reduction (C4)
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
Imperative Overview
Clarifications
Embodied Carbon Offset 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
I09 – Healthy Interior Environment (C5)
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I10 – Healthy Interior Performance
Imperative Overview
Clarifications
IAQ Testing Clarifications
CDPH Clarifications
General Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I11 – Access to Nature
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Materials Petal
I12 – Responsible Materials (C6)
Imperative Overview
Clarifications
Declare Product Clarifications
Living Product Challenge Clarifications
Materials Petal Scope Clarifications
Sourcing Distance Clarifications
Waste Diversion Clarifications
Wood Sourcing Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I13 – Red List
Imperative Overview
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
Imperative Overview
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
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I16 – Net Positive Waste
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Equity Petal
I17 – Universal Access (C7)
Imperative Overview
Clarifications
Exceptions
Scale Jumping
Calculations
Documentation Requirements
Case Studies
Resources
I18 – Inclusion (C8)
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
Beauty Petal
I19 – Beauty + Biophilia (C9)
Imperative Overview
Clarifications
Exceptions
Calculations
Scale Jumping
Documentation Requirements
Case Studies
Resources
I20 – Education + Inspiration (C10)
Imperative Overview
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
May 2024 Updates
Changes Throughout (Q1 24)
Changes to the Introduction (Q1 24)
Changes to the Place Petal (Q1 24)
Changes to the Water Petal (Q1 24)
Changes to the Energy Petal (Q1 24)
Changes to the Health + Happiness Petal (Q1 24)
Changes to the Materials Petal (Q1 24)
Changes to the Equity Petal (Q1 24)
Changes to the Beauty Petal (Q1 24)
Changes to Approved Regional Equivalencies (Q1 24)
Changes to the Glossary (Q1 24)
July 2023 Updates
Changes Throughout (Q2 23)
Changes to the Introduction (Q2 23)
Changes to the Health + Happiness Petal (Q2 23)
Changes to the Materials Petal (Q2 23)
Changes to the Beauty Petal (Q2 23)
Changes to the Glossary (Q2 23)
April 2023 Updates
Changes to the Introduction (Q1 23)
Changes to the Place Petal (Q1 23)
Changes to the Energy Petal (Q1 23)
Changes to the Materials Petal (Q1 23)
Changes to Approved Regional Equivalencies (Q1 23)
January 2023 Updates
Changes to the Introduction (Q4 22)
Changes to the Place Petal (Q4 22)
Changes to the Water Petal (Q4/22)
Changes to the Energy Petal (Q4 22)
Changes to the Health + Happiness Petal (Q4 22)
Changes to the Materials Petal (Q4 22)
Changes to the Equity Petal (Q4 22)
Changes to the Beauty Petal (Q4 22)
October 2022 Updates
Changes to the Place Petal (Q3 22)
Changes to the Water Petal (Q3 22)
Changes to the Energy Petal (Q3 22)
Changes to the Health + Happiness Petal (Q3 22)
Changes to the Materials Petal (Q3 22)
Changes to the Equity Petal (Q3 22)
Changes to the Beauty Petal (Q3 22)
July 2022 Updates
Changes to the Materials Petal (Q2 22)
Previous Versions of the Handbooks
Download as PDF
Changes to the Glossary (Q2 23)
NEW
Essential Use
Changes to the Beauty Petal (Q2 23)
April 2023 Updates
