This unit 12 deals with the supervisory requirements for monitoring reinstatement and compaction of backfill materials on the public highway. This unit is available for supervisors only.

At the end of the course the candidate will be able to:

• Provide a reinstatement design and method statement from the specifications
• Observe an operative reinstating the backfill layer where services are present in a modular or Type 3/4 flexible carriageway in accordance with the specifications
• Record observations made and explain reasons for agreeing or disagreeing with site operations and working practices
• Explain any remedial action required
• Calculate material quantities
• Identify a range of backfill materials class A to E
• Identify carriageway/footway types and layer construction
• Field test a range of backfill materials, confirm their suitability or unsuitability and give reasons for this.

On completion of the course delegates will will receive a CAWBI certificate and this unit can also go towards an overall streetworks qualification.