Knowledge Base

Information and knowledge about surveying, engineering and surveying equipment.

How to Calculate Road Offset Profiles

When constructing a new, or even an existing road we need to be able to translate design information into practical information that can be used throughout the road construction process.

How accurate can your linear measurements be?

Whenever we take a measurement, we want it to be as accurate as possible. We need the measurement to be right. But we know that any measurement that we take will have an error associated with it.

The Quick and Simple Tripod Test.

One of the most overlooked part of any Surveying Equipment Kit is the Tripod. If the tripod is not maintained or checked then the consequences could be expensive.

Methods for Booking a Levelling Run. The Rise and Fall Method.

This is a guide to the Rise and Fall method of booking a levelling run. This guide goes through the whole process using real world figures for the calculations

Avoid these 3 Measurement Errors in Construction Setting Out

Setting out on construction sites always involves either taking measurements or giving measurements from points or base lines.

Laser Levels vs Automatic (Dumpy) Levels

Laser levels and automatic (dumpy) levels both provide levels across a building, site, field, anywhere that you need a level plane. How they do this is different.

A Guide to Buying a Total Station.

Thinking of Buying a Total Station? This article should help you decide which total station is for you. What is a Total Station? A Total Station is an instrument that measures both horizontal and vertical angles and distances.  It used by Engineers and Surveyors for setting out 3-dimensional points and for recording 3-dimensional points.  Total …

Methods for Booking a Levelling Run. The Height of Collimation Method

This is a complete guide on how to correctly book levels taken using the height of collimation method.  This is how all Site Engineers in the UK will record and work out their readings.

The Purpose and Importance of Levelling and the Automatic (Dumpy) Level.

What is the Purpose and Importance of Levelling? In Surveying and Construction the Purpose and Importance of Levelling is to find the heights or elevations of different points of interest in relation to a specific known datum.  Knowing that specific points of interest are at the same or different heights or elevations is fundamental to …

How to Calculate Whole Circle Bearings and Distances from Co-Ordinates.

Information is supplied in all manner of forms, and quite often it is not in the form that we need to use it in.  We need to transform this information into a format we can use.  For many years, Site Engineers and Surveyors would use Theodolites and tape measures or Total Stations that could only …