Engineering Surveying

Three terms get used interchangeably in tender scopes. They buy three different levels of certainty, at three different prices — and the gap between them is where dig-ups, redesigns and delay claims live.

Our monitoring systems run 24 hours a day, 365 days a year, and the longest single installation we have had running went four years without a crew standing next to it. Here is the full sequence when one of them decides something has moved.