O3 Reinstatement and Compaction of Backfill Materials

Course Unit: O3 Reinstatement and Compaction of Backfill Materials

Overview

The NRSWA Unit O3 course provides the knowledge and practical skills to reinstate and compact backfill materials safely and to specification following excavation works in the road/highway. Delivered in accordance with the Street Works Qualification Regulations (SWQR) and the Specification for the Reinstatement of Openings in Highways (SROH), the course focuses on selecting suitable materials, correct layer thicknesses, and achieving required compaction standards.

Training blends classroom theory with hands-on practical exercises. Successful completion leads to certification and registration with the Street Works Qualification Register (SWQR).

Objectives

By the end of the course, participants will be able to:

• Interpret relevant NRSWA/SROH requirements for backfill reinstatement.
• Select appropriate backfill materials (re-usable excavated vs. imported) and manage spoil.
• Prepare the excavation for reinstatement, including edge support and protection of services.
• Place backfill in correct layer thicknesses and compact using suitable plant to specified densities.
• Apply safe systems of work to protect workers, utilities, and the public.
• Inspect and verify backfill quality to meet specification and enable subsequent layers.

Pre-Course Requirements

No formal qualifications are required, but delegates should have a basic level of written and spoken English. PPE is required, including safety boots, hi-visibility clothing, gloves, safety glasses, and a safety helmet.

Who Should Attend?

This course is suitable for operatives who are required to carry out reinstatement of highways and footpaths following excavation work, including those working in utilities, civil engineering, groundworks, and construction.

Course Numbers

Maximum of 8 learners