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St Pauls Cathedral

St Pauls Cathedral

A large piece of electrical equipment needs to be transported through the crypt of St Pauls Cathedral. This crypt is known to contain burial chambers, the positions of some are known, and others are suspected. In order to prevent damage to these chambers, and to assess the correct method of transporting this equipment.

Solution: A full GPR survey was carried out within the Crypt to locate the position and depths of all chambers and voids.

A large piece of electrical equipment needs to be transported through the crypt of St Pauls Cathedral. This crypt is known to contain burial chambers, the positions of some are known, and others are suspected. In order to prevent damage to these chambers, and to assess the correct method of transporting this equipment, a full GPR survey was carried out within the Crypt to locate the position and depths of all chambers and voids.

The use of Ground Probing Radar enables the structure of the ground to be distinguished. The equipment is passed over the surface of the ground using a rectangular grid, with the position of anomalies noted. These anomalies are then further investigated using a smaller grid, with all data being stored, then investigated using 3D software to produce a three dimensional image of the survey area.

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