Section 144 of chapter 164 of the General Laws, as appearing in the 2012 Official Edition, is hereby amended by striking out section (c) and inserting, in place thereof, the following:

(c) Upon the undertaking of a significant project involving the repair or paving of a public way, the installation, replacement or repair of an underground water or sewer line or underground electrical or other cable exposing confirmed natural gas infrastructure, a municipality or the commonwealth or other entity responsible for the installation, replacement or repair shall submit written notification of the project to a gas company. The gas company shall survey the project area for the presence of gas leaks, and all leaks shall be repaired within 12 months of the date the leak was classified, with the exception of Grade 1 leaks, which shall be repaired immediately, per Section 2 (b)(1).  The repair and replacement schedule of gas leaks shall be provided to the municipality or the commonwealth or other entity.