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NRSWA Revision Street Works · England

O3 — Backfill & Compaction

Backfill Materials

This topic is one the app keeps behind the paywall — there are no free questions for it. All 25 of its questions are in the app.

25 questions on this topic in the app

Plus the rest of O3 — 98 questions in total — and a timed mock test you can retake as often as you like.

Download on the App Store Get it on Google Play

NRSWA Street Works Revision is independent revision material. It is not affiliated with, endorsed by or approved by HAUC(UK), SWQR, any awarding organisation or the Department for Transport, and it does not award a qualification or a card.