A method for tracking the deformation of structures is called deformation and movement monitoring (also known as deformation survey). Monitoring for deformation and movement measures and tracks any changes to a building’s dimensions or shape.
Buildings or landscaped areas can be subject to movement such as land settlement or subsidence resulting in the need for one of three surveys, to check ground, floor and wall levels. Depending on the project, a Subsidence Survey, a Levelling Survey or a Settlement Survey is required.
Catching movement early on ensures remedial costs are kept to a minimum and so pinpointing this with absolute accuracy is imperative. An initial survey models and contours the face of the wall or floor. This highlights any movement or deformation by establishing a series of permanent points along it. If the levels appear to be moving, then a monitoring survey is implemented to see how far and how quickly the movement is occurring.
As the contracts Manager for MC Construction, I’m responsible for overseeing several sites and schemes at once, and I am also involved in the design development. For MC Construction to be able to help Royal Mail develop this existing site, we needed a lot of vital underground information on the location. Powers were able to provide us with an underground utility survey, that was clear and accurate, enabling us to be able to place the Hydrobrake in the most efficient position and excavate the car park, without putting our team and others in danger.
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