917Reflective and Nonreflective Characters B. Referenced Documents Manual on Uniform Traffic Control Devices (MUTCD) 910.2 Materials Use the dimensions, colors, and reflectorizing as specified in the Plans, Proposal, and Manual on Uniform Traffic Control Devices (MUTCD). The materials requirements are as listed below: Material Section Posts for Groundmounted Signs 911 Aluminum Sign Blanks 912.2.01 Extruded Aluminum Sign Panels 912.2.02 Reflective Sheeting 913.2.01 Silk Screen Lettering Paint 914.2.01 Mast Arm Assemblies 915 Demountable Characters with Type VI Reflective Sheeting 917.2.01 Direct Applied Non- Reflective Characters 917.2.02 1. Handle the clean metal blanks and panels with either a mechanical device or with clean cotton gloves before applying any paint. 2. After the final metal treatment, protect the blanks and panels at all times from contact or exposure to greases, oils, dusts or other contaminants. 3. Get approval for all materials used to fabricate the finished signs according to these Specifications. 1737