New York Codes, Rules and Regulations
Title 16 - DEPARTMENT OF PUBLIC SERVICE
Chapter VI - TELEPHONE AND TELEGRAPH CORPORATIONS
Subchapter F - Miscellaneous
Part 689 - Telephone Facility Construction-clearance From Subsurface Gas And Liquid Petroleum Pipeline Facilities
Section 689.2 - Clearance requirements of new telephone facilities from gas and liquid petroleum pipelines

(a) All new subsurface telephone facilities shall be constructed with a standard minimum 12 inches of clearance from gas transmission facilities.

(b) All new subsurface telephone facilities shall be constructed with a standard minimum six inches of clearance from gas distribution facilities.

(c) All new subsurface telephone facilities shall be constructed with a standard minimum 12 inches of clearance from liquid petroleum pipelines.

(d) The standard minimum clearances specified in subdivisions (a), (b), and (c) of this section, when not obtainable through practical means, may be reduced to an absolute minimum of four inches, provided that such reduction is agreeable to all companies involved and that protective materials suitable to all companies are placed between the telephone and gas or liquid petroleum facilities for the entire length of such reduced clearances.

(e) All new subsurface telephone facilities shall be constructed with a standard minimum four inches of clearance from gas service lines, except that where four inches of clearance is not obtainable through practical means it may be reduced to an absolute minimum of two inches, provided such reduction is agreeable to all companies involved and that protective materials suitable to all companies are placed between the telephone facilities and the gas service lines for the entire length of such reduced clearances.