pierhead line

pierhead line

[′pir‚hed ‚līn]
(civil engineering)
The line in navigable waters beyond which construction is prohibited; open-pier construction may extend outward from the bulkhead line to the pierhead line.
References in periodicals archive ?
The area is bounded by the intersection of Edgewater Plaza and Bay Street to the south, Bay Street to the west, the pierhead line to the east, and the proposed National Lighthouse Museum to the north.
After negotiating with more than 80 landowners - including bankrupt railroads he soon accumulated 600 acres, 200 of which go to the pierhead line and include the riparian rights to develop the shoreline, and 400 of which are upland and buildable.
The regulations cover, with some narrow exceptions, all property in New York City between the pierhead line and the first upland street.