# The Road Works (Qualifications of Operatives and Supervisors) (Scotland) Regulations 2017, Schedule 3: Validity of certificates obtained under the 1992 Regulations Extent: S Old Certificate New Certificate Excavation in the road LA - Location and avoidance of underground apparatus O1 - Signing, lighting and guarding O2 - Excavation in the road Excavation, backfilling and reinstatement of construction layers with a cold-lay bituminous surface LA - Location and avoidance of underground apparatus O1 - Signing, lighting and guarding O2 - Excavation in the road O3 - Reinstatement and compaction of backfill materials O4 - Reinstatement of sub-base and roadbase in non-bituminous materials O5 - Reinstatement in cold-lay bituminous materials Reinstatement of construction layers in hot-lay and cold-lay bituminous materials LA - Location and avoidance of underground apparatus O1 - Signing, lighting and guarding O5 - Reinstatement in cold-lay bituminous materials O6 - Reinstatement in hot-lay bituminous materials Reinstatement of concrete slabs LA - Location and avoidance of underground apparatus O1 - Signing, lighting and guarding O7 - Reinstatement of concrete slabs Reinstatement of modular surfaces and concrete footways LA - Location and avoidance of underground apparatus O1 - Signing, lighting and guarding O8 - Reinstatement of modular surfaces and concrete footways Signing, lighting and guarding O1 - Signing, lighting and guarding Monitoring excavation in the road LA - Location and avoidance of underground apparatus S1 - Monitoring of signing, lighting and guarding S2 - Monitoring of excavation in the road Monitoring excavation, backfilling and reinstatement of construction layers with bituminous materials LA - Location and avoidance of underground apparatus S1 - Monitoring of signing, lighting and guarding S2 - Monitoring of excavation in the road S3 - Monitoring of reinstatement and compaction of backfill materials S4 - Monitoring of reinstatement of sub-base and roadbase in non-bituminous materials S5 - Monitoring of reinstatement in bituminous materials Monitoring reinstatement of construction layers in bituminous materials LA - Location and avoidance of underground apparatus S1 - Monitoring of signing, lighting and guarding S5 - Monitoring of reinstatement in bituminous materials Monitoring reinstatement of concrete slabs LA - Location and avoidance of underground apparatus S1 - Monitoring of signing, lighting and guarding S6 - Monitoring of reinstatement of concrete slabs Monitoring reinstatement of modular surfaces and concrete footways LA - Location and avoidance of underground apparatus S1 - Monitoring of signing, lighting and guarding S7 - Monitoring of reinstatement of modular surfaces and concrete footways --- Source: https://www.legislation.gov.uk/ssi/2017/147/schedule/3 (the official version) Page: https://openlegislation.uk/road-works-qualifications-of-operatives-and-supervisors-scotland-regulations-2017/schedule-3 Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.