Horizontal Directional Drilling Operations Navajo Nation Municipal PipelineWork is located at three separate location along the Navajo Nation Municipal Pipeline alignment between the cities of Farmington and Shiprock, San Juan County, New Mexico. The principal components of work to be performed under the specification include the following: Directionally drill three location, consisting of approximately 5,300 lineal feet; furnish, fuse, install and test approximately 5,300 lineal feet of 24" HDPE Pipe; prepare, protect, and mark sites for future construction.