Summary
Provide 730-01 aluminum sign panels, 8 gauge; 730-05. 01 - astm type i (class a). A medium intensity reflective sheeting often referred to as engineer grade. It is recommended for highway signs, except where high reflectivity is required, and for construction barricades, panels and other work zone devices; 730-05. 03 - astm type v (class c). A super-high intensity reflective sheeting recommended for delineators, construction barricades, and vertical panels. This material is not recommended for highway or construction zone sign faces; 730-05. 05 - astm type ix (class e). A very-high intensity retroreflective sheeting having highest retroreflective characteristics at short road distances. Recommended for permanent signs, delineators, construction zone devices, and vertical panels, when a high level of conspicuity or visibility is needed.