Welcome to the website of ASHRAE Guideline Project Committee 20

Committee Title, Purpose and Scope

• TITLE: Documenting HVAC&R Work Processes and Data Exchange Requirements
• PURPOSE: To define a systematic procedure for documenting work processes (Use Cases) and data exchange requirements for specific HVAC&R activities.
• SCOPE: This guideline:
  1. Defines methods for documenting use cases and data exchange requirements related to HVAC&R activities involving equipment, systems, design services, and other services over the life cycle of capital facilities. Use Case documentation will employ domain expert terminology and a consistent format to facilitate review and adoption by industry participants.
  2. Outlines procedures for web-based management of Use Cases to support development of formal data definitions and implementation in HVAC&R industry software.

• Guideline 20-2010 has been formally approved following public review and is available for purchase from the ASHRAE Online Store under Standards and Guidelines.
• Documented Use Cases following the Guideline 20-2010 format will be made available as addenda through this web site as they are developed.

• If you have any questions, comments, great thoughts, etc. send an email to the GPC20 Website Administrator. Or better yet, subscribe to the committee email list and contribute!