Download or read book Manual for Condition Rating of Flexible Pavements written by G. J. Chong and published by [Downsview] : Research and Development Branch, Ministry of Transportation of Ontario. This book was released on 1989 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual categorizes distress manifestations and provides illustrations of each category to lend uniformity to reporting and interpretation. Descriptions of the density of occurrence and the severity of each type of distress manifestation are made to conform to standard words which precisely express the relative density or severity on a scale of 1-5. Probable causes of each distress manifestation are presented, together with comments on progressive deterioration or other behaviour which might affect remedial treatment. Possible remedial measures are included under each distress manifestation.