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The third section of the High Line, from 30th to 34th Streets, will be closed to park visitors from Tuesday, February 9, to Tuesday, February 23, due to an ongoing construction project. The High Line south of 30th Street will be accessible to visitors during this time.

Waterproofing

Waterproofing the final sections between 20th and 22nd Streets.
 

This afternoon, our crews are finishing waterproofing work on the southernmost part of the High Line's Section 2, near 20th Street. Waterproofing the top layer of screed concrete will prevent standing rainwater and damage to the structural steel and concrete. It will also prevent swamp-like conditions in the planting beds after a heavy rain, which can lead to mold and rot.

The above photo shows the second of a three-step waterproofing process. First, a clear coat of primer is rolled onto the concrete. Next, a mustard yellow-colored coat is sprayed over the primer. And finally, a lighter yellow-colored coat is sprayed over the top. Once everything dries, the concrete planking can be laid down. Next Monday, the construction crew is expecting to start the planking installation just north of 20th Street. Planking installation includes setting pedestals, sleepers, and concrete planks onto the waterproofed base. Get ready to start seeing transformation just beyond the 20th Street gate!

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