QUESTION:
The main bid uses 2 different types of signs:
(quantity 10) 9 button sign - what colors? background and button color.
(quantity 10) 24x30 keep right - It shows a hazard marker attached to the back side. Is this a separate sign, or a single panel with sheeting on both sides?
How are the signs mounted in the ground? U-channel post, square tubing, round tubing, etc?
What kind of surface mount for the cement? V-locks, PVC sleeve, core drill, etc?

ANSWER:
See Sheet 12 for rear delineation sign detail.
See Sheet 14 for signing notes and tabulation.
See MnDOT Standard Sign Guide for info on OM1-1 Object Marker.