A four-panel brochure that explains how public officials and excavators can work with National Grid to assure that excavations do not encroach upon and damage vulnerable cast iron gas mains. Describes the two types of encroachment (undermine and parallel) and how to prevent them.

Audience: Public officials and excavators

Region(s): All

Date published: November 2023

Project: 14445    Product: 43390

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