Surface should be sound, clean, and free of any laitance that will be detrimental to achieving proper bond. This is generally done with mechanzied equipment such as scarifiers and shot blasters or with high pressure water from hydro-demolition equipment.

Surface Preparation should be done within 24 hours to placing RSLMC.

Immediately prior to placement of RSLMC the clean surface should be thoroughly wetted for a period of not less than 1 hour.