An engineering register records a site's survey framework — control points, topographic data, calibration certificates and survey targets — while the site diary logs the daily setting out. Kept separate and complete, the two form a defensible record that protects the contractor at final account.

A retained survey engineer gives main contractors guaranteed availability, a consistent control network and a single accountable point for every survey operation — turning a reactive cost into a planned one.

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 final account disputes on UK construction projects are data problems — the pre-construction conditions weren't surveyed, the setting out register is incomplete, or there's no as-built record of what was actually constructed. This guide explains how each type of survey data protects the contractor's position and how to plan for it from the start of the programme.

A measured building survey captures the geometry of an existing building as accurate scale drawings and models — essential before design, planning, renovation, or conversion work begins. This guide explains what a measured building survey includes, when it is needed, and what the deliverables look like.

Inadequate control networks, poorly maintained registers and the absence of independent verification are the most common causes of setting out failures on UK civils and infrastructure projects — and their commercial consequences run well beyond the direct cost of the error. This guide explains what goes wrong and what precision setting out on a well-run programme looks like.