Specifications Concrete for bollard foundation and sidewalk pavement restoration and hollow pipe bollard cores must comply with the requirements of Section 3.05, Concrete, class B-32. Where the adjoining sidewalk is pigmented, the final cured concrete for pavement
Revisions to the New York City Department of Transportation standard highway specifications 5/16/22. Section 2.10(Attachments) - Replace the revised section in Attachment 1.