This unit 13 deals with the supervisory requirements for monitoring reinstatement of sub-base and base (road base) in non- bituminous 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 sub-base and road base layers for 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
• Confirm the suitability of compaction equipment selected
• Explain any remedial action
• 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 non-bituminous materials, confirm their suitability or unsuitability and give reasons for this

On completion of the course delegates will receive at CAWBI certificate and this unit can then be combined with other units to obtain a full streetworks qualification.