# The Road Works (Qualifications of Operatives and Supervisors) (Scotland) Regulations 2017, Schedule 1: Certificates of Competence for Trained Operatives – Types of work

Extent: S

O2 - Excavation in the road
O3 - Reinstatement and compaction of backfill materials
O4 - Reinstatement of sub-base and base in non-bituminous materials
O5 - Reinstatement in cold-lay bituminous materials
O6 - Reinstatement in hot-lay bituminous materials
O7 - Reinstatement of concrete slabs
O8 - Reinstatement of modular surfaces and concrete footways

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Source: https://www.legislation.gov.uk/ssi/2017/147/schedule/1 (the official version)
Page: https://openlegislation.uk/road-works-qualifications-of-operatives-and-supervisors-scotland-regulations-2017/schedule-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.