NDEQ026301 - Picture.pdf

This document is a technical specification from the Nevada Department of Transportation (NDOT) for Section 721, covering Object Markers and Guide Posts. The specification details the technical requirements for materials, manufacturing, and installation of guide posts, including steel posts, target plates, and reflective sheeting. The document outlines precise technical specifications for metal posts (to be steel conforming to ASTM A1011, Grade 275 or ASTM A653, Grade 275SS), target plates (zinc-coated steel sheet or aluminum sheet), and reflective sheeting (Type IV, IX, or XI as indicated in the MUTCD).

The specification provides comprehensive manufacturing requirements, including surface preparation, coating processes, and finish specifications. Key technical details include zinc-coating processes, phosphate coating procedures, paint adherence standards, and hardware specifications (6mm galvanized steel or aluminum nuts and bolts). The document specifies precise requirements for enamel coating, including dry film thickness, application methods, and surface finish standards. Manufacturers must provide 2 certificates per material order certifying compliance with specifications, and all fabricated parts must be completed in a uniform, workmanlike manner with specific dimensional and surface finish tolerances.