On a long programme, a directly employed site engineer handles IR35 compliance, maintains a consistent control network, and provides a single line of accountability from setting out through to as-built records.

Most variation claims don't arise because something genuinely unexpected happened — they arise because accurate existing condition data wasn't captured before works began. This guide makes the commercial case for 3D scanning: pre-construction surveys, as-built verification, and what the data protects on UK construction and infrastructure projects.