New Jersey Administrative Code
Title 16 - TRANSPORTATION
Chapter 25 - UTILITY ACCOMMODATION
Subchapter 3 - HIGHWAY OCCUPANCY PERMITS
Section 16:25-3.11 - Trenchless construction and grouting

Universal Citation: NJ Admin Code 16:25-3.11

Current through Register Vol. 56, No. 18, September 16, 2024

(a) Acceptable techniques for installing pipelines under a highway without disturbing the surface are driving, coring, and boring. Wet-boring will be permitted by the Department if all other techniques are impractical. Special care is required when using this method.

(b) The design and construction of pipelines under highways shall include:

1. Trenchless construction for all new or replacement pipeline crossings of highways. On limited access highways, at a minimum, the trenchless construction shall extend under and across the entire roadway prism. On other highways, the trenchless construction shall extend under and across the surfaced area of the highway;

2. Portal limits of pipeline crossings. The portal limits shall be beyond the surfaced areas of the highway to avoid impairing the roadway during the installation of the pipeline; and

3. Restricted size of the boring excavation. The Department will establish, on a case-by-case basis, the conditions under which the void outside the carrier must be back-filled with grout.

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