Welcome to Module 4: Sewer Pipes and Drains – Topic 3: Liner Defect Codes, with Mr Börje Persson.
Please note: This module comprises a video presentation with a total duration of 35 minutes . You can pause the videos at any time. In order to remain within the scheduled course timetable we recommend that if you wish to view the presentation again you do this outside of the scheduled course timetable. All course candidates will have individual access to course presentations during the duration of the course.
Your course supervisor will allow for a short break at the end of each topic video, to allow time for you to post questions.
Please proceed to the first topic video below.