The unit 4 module deals with reinstatement and compaction of backfull materials on the public highway and covers the legal and practical aspects of undertaking this work. The unit is available for operatives only.

• Identify the main types of footway and carriageway and their construction layers.
• Follow safe working plractices, including the selection and use of personal protectice equipment and use of plant equipment
• Idenfity a range of backfill materials classes A, B, C, D and E. v Field-test the materials for suitability and state reasons why they could not be used
• Unload and store imported materials safely
• Construct the backfill layer to the correct level
• Protect underground services with finefill material and methods of compacting the material
• Dispost of any unsuitable materials safely
• Keep the site clean and safe
• Provide sufficent knowledge evidence by way of oral or written questions

On completion of this unit delegates recieve a CAWBI certificate and this unit can then be put towards a full streetworks qualification when combined with other units.