The unit 3 module deals with excavations in the public highway and covers the legal and practical aspects of undertaking this work. The unit is available for operatives only.

By the end of the course the delegate will be able to;

• Use a disc cutter or road saw safely to cut the full depth of the surfacing layers, straight and with no over cutting. The approperiate personal protective equipment must also be selected and worn.
• Remove, clean and stack for reuse or disposal modular paving
• Use a breaker to break-up the surfacing layers safely. The approperiate personal protective equipment must be selected and worn
• Excavate the trench with appropriate tools and select material for reuse or disposal
• Excavate with care to expose services
• Identify the types of carriageways and construction layers for flexible, composite, rigid and modular footways
• Support and protect underground services
• Identify a range of backfill materials classes A, B, C, D and E
• Field test the materials for suitability, and state why they could not be used.
• Follow safe working practices in accordance with current legislation.
• Provide Sufficent Knowledge evidence by way of oral or written questions

On completion of the course delegates will recieve a CABWI certificate of unit completion. This unit can then go towards your complete streetworks qualification.