Workbook

Phius Multifamily Quality Assurance Workbook

The multifamily workbook combines the requirements of all Phius' co-requisite program requirements for Phius Certification and includes all of Phius' quality assurance requirements. It is to be completed by the Phius Certified Verifier on a multifamily project and submitted fully filled out to Phius for final certification. Below are links to download v26.1.0, v24.1.1, v24.1.0, v2.2 and v2.3. Read further to determine which applies to your project.

October 7, 2024

By Phius Certification Team

Multifamily Quality Assurance Workbook v26.1.0

Version 26.1.0, released in May 2026, is an update to v24.1.1 released in September 2024. Version 26.1.0 must be used for Phius 2024 projects and all projects with a Phius Certification contract date after Sept. 1, 2026.

The first accompanying document to the Phius Multifamily Quality Assurance Workbook is the Phius Quality Control Field Checklist v26.1.0 released in May 2026. It is an update to v24.1.1 of the QC Field Checklist released in September 2024. Version 26.1.0 of the QC Field Checklist must be used for Phius 2024 projects and all projects with a Phius Certification contract date after September 1, 2026.

The second accompanying document to the Phius Multifamily Quality Assurance Workbook is the Phius Quality Control Site Photos DON'Ts and DO's, released in August 2024.

The most recent QA MF Workbook v26.1.0 and QC Field Checklist v26.1.0, are encouraged to be used immediately.

Download the Workbook v26.1.0

Multifamily Quality Assurance Workbook v24.1.1

Version 24.1.0, recently updated to v24.1.1, must be used for Phius 2024 projects with a Phius Certification contract date after Sept. 1, 2025.
The accompanying document to the Phius Multifamily Quality Assurance Workbook is the Phius Quality Control Field Checklist, which was also updated to v24.1.1. This checklist must be used for Phius 2024 projects and all projects with a contract date after Sept. 1, 2025.

Download the Phius Multifamily Quality Assurance Workbook v24.1.1

Download the Phius Quality Control Field Checklist v24.1.1

Phius Quality Control Site Photos DON'Ts and DO's Guide

Multifamily Quality Assurance Workbook v24.1.0

Version 24.1.0 must be used for Phius 2024 projects with a Phius Certification contract date after September 1, 2025.

The accompanying document to the Phius Multifamily Quality Assurance Workbook is the Phius Quality Control Field Checklist v24.1.0. This checklist must be used for Phius 2024 projects and all projects with a contract date after September 1, 2025.

Download the Phius Multifamily Quality Assurance Workbook v24.1.0

Download the Phius Quality Control Field Checklist v24.1.0

Phius Quality Control Site Photos DON'Ts and DO's Guide

Multifamily Quality Assurance Workbook v2.3.3

Version 2.3.3 must be used for Phius 2021 projects with Phius Certification contract dates between February 1, 2022 and today.

Download the Phius Multifamily Quality Assurance Workbook v2.3.3

Multifamily Quality Assurance Workbook v2.2

Version 2.2 can be used for projects with Phius Certification contract dates between October 1, 2018 and February 28, 2022.

Download the Phius Multifamily Quality Assurance Workbook v2.2