Specifications include, but are not limited to: Units shall be hydrostatically-propelled, pneumatic tired rigid frame roller with water system for use in compaction of flexible pavements. Machine must also be capable of compacting flexible pavements on regular and irregular surfaces. Unit to be equipped with an OSHA-approved Roll-Over Protective Structure (ROPS)/ or (FROPS) Standard Operating weight, including lubricants, coolants (when required), fuel, and Roll-Over Protective Structure (ROPS)/ (FROPS) shall be a minimum of Nine Thousand Five-Hundred (9,500) lbs. Maximum Ballasted weight, including lubricants, coolants (when required), fuel and Roll-Over Protective Structure (ROPS)/ FOPS shall be a MAXIMUM of Twenty-Five Thousand (25,000) lbs. Minimum Rolling Width shall be Sixty-Seven (67) inches.