UGI is dedicated to providing customers and their neighbors with timely information about Natural Gas main replacement and construction activities. We understand construction can be a disruption when it's going on in your neighborhood. That is why we want to arm you with the facts. This website is your resource. It's the place to go to learn more about information including why flaggers are on your street, how long the street will be dug up and the purpose of the paint markings and flags on your neighbor's property.