Standards and Materials
Standards for Customer Service Lines, Meters, and Service Regulators
The information contained in Gas Pipeline Installation Standards is intended as a guide for installation of customer-owned service lines and meter settings. This is only a guide, and may not include all applicable codes, regulations, policies and procedures, or revisions.
Download Gas Pipeline Installation Standards (Plumber's Guide)
Materials for Customer Services Lines
This manual is the listing of approved materials for customer service lines, and supplements the "Standards for Customer Service Lines, Meters, and Service Regulators (Plumber's Guide)," for all Columbia Gas distribution companies of NiSource, Inc. (the Gas Company).
Download the Materials Manual
Download the Materials Manual Supplement