Bridge and other Structural ‘Inspections’

The Highways sector have had standardised protocols for the ‘Inspection’ of all of their structures, for many years.  In our opinion, all buildings and structures, particularly those that interface with third parties, should also be subjected to a regime of inspections, similar to highways structures.

CRL Surveys have over 20 years’ experience undertaking inspections for Local, Regional and National Authorities and their Supply Chain Partners, for Engineering Consultants and private owners.

The UK Bridges Board with the support of the department of Transport has recently introduced a Bridge Inspector Certification Scheme as a key part of the management process. Our Engineers and Technicians are currently going through the Certification process to ensure we are able to satisfy these new industry standards.

We undertake:

Preliminary Inspection:  To assess the structure for specific requirements, such as access and traffic management, to enable a higher level Inspection.

Safety Inspection:  To identify obvious deficiencies which represent, or might lead to, a danger to the public and, therefore, require immediate or urgent attention.

A structure will be inspected from appropriate, safe, vantage points, for the purposes of identifying obvious deficiencies or signs of damage and deterioration that may require urgent attention or may lead to accidents or high maintenance costs, e.g. collision damage to superstructure or bridge supports, damage to parapets, spalling concrete and insecure expansion plates and the like

General Inspection (conventionally at 24 month intervals):  To provide information on the physical condition of all visible elements on a highway structure.

As such an inspection of all visible parts of the structure will be undertaken, but without special access equipment or traffic management.

NB:  We will require details of the structure, its form and construction, together with copies of all previous inspection reports.  We will also need details of any maintenance, repair and modifications undertaken since the last inspection of the structure.

We will undertake a desk study of all available information, to familiarise ourselves with the structure and its condition at its last inspection, prior to undertaking this inspection.

A General Inspection may result in recommendations for a subsequent Special Inspection, if specific parts of the structure require more frequent inspection to ascertain condition.

A General Inspection may result in recommendations for subsequent monitoring, either periodic or continuous, if specific defects, e.g. cracks or deflections, need to be checked for progressive worsening.

Principal Inspection (conventionally at nominal 6 yearly intervals):  To provide information on the physical condition of all inspectable parts a highway structure.  A principal Inspection is more comprehensive and provides more detailed information than a General Inspection.

As such a tactile inspection, at touching distance, of all inspectable parts of the structure will be undertaken, with all necessary inspection techniques employed, together with any special access equipment and traffic management required.

NB:  We will require details of the structure, its form and construction, together with copies of all previous inspection reports.  We will also need details of any maintenance, repair and modifications undertaken since the last inspection of the structure.

We will undertake a desk study of all available information, to familiarise ourselves with the structure and its condition at its last inspection, prior to undertaking this inspection.

A Principal Inspection may also result in recommendations for a subsequent Special Inspection, if specific parts of the structure require more frequent inspection to ascertain condition.

A Principal Inspection may also result in recommendations for subsequent monitoring, either periodic or continuous, if specific defects, e.g. cracks or deflections, need to be checked for progressive worsening.

Special Inspection:  To provide information on the physical condition of particular areas of concern, e.g. post-tensioning, pre-stressing and / or elements damaged during a specific event, requiring bespoke procedures.

Inspection for Assessment:  A bespoke Inspection to provide information for a structural appraisal.