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BUILDING DIAGNOSIS CENTRE are multi disciplined experts, give advice to strata and commercial property owners on building corrosion from the northern beaches peninsula to Sydney Harbour and through to the eastern suburbs’ beaches.
Coastal Corrosion Building Investigations Audit Surveys
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Corrosion type
Spalling concrete, deteriorating waterproof membranes to walls, balconies and roofs, fretting flashings and brickwork, seepage into basements, foundation settlement and rising damp are the most common.
Assessment procedures
- Initial contact inspection etc
- Research
- Investigations
- Synthesizing the information
- Interim report
- Final report to client
- Repair documentation
- Cost estimates
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Initially
Interview client, inspection for dilapidation conditions, discussions with owner, strata management and attend meeting with fall Owners Corporation. Discuss the importance of a 10-year maintenance plan.
Research
Obtain previous reports, Australian Standards, Building Code of Australia, products, specialist services and strata records. |
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Investigations
Inspections and photograph the building evidence for corrosion and faults. Perform tests and sampling, provide electronic mapping for concealed steel reinforcement, concrete corrosion rate measurement, take core hole sampling, have NATA accredited laboratory analysis of the samples mainly for chloride level contamination, carbonation levels, cement content level, magnesium chloride levels from magnesite, sulphate and alkali-aggregate reaction testing.
Synthesizing the information
The research, investigations, test analysis results, products and reports. |
Interim report
Provide the findings and conclusions with recommendations that may include to determine the extent of the damage, and provide physical invasion destruction exploratory works when necessary. Locations may include concealed within the fabric of the building, particularly with respect to spalling concrete cancer, rising damp, waterproofing membranes and flashings, faulty subsoil stormwater drainage and foundation materials that provide support to the superimpose structure.
Final report to client
Ideally would include the findings of the exploratory works and photographic record and/or evidence that can be relied upon the owners and property managers to better understand the written report. This will also assist others that may include tenderers quoting for the works and a record of previous damage once the corrosion is rectified.
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Repair documentation
 Building Diagnosis Centre consultant will generate an appropriate comprehensive specification that will include where necessary certain Australian Standards requirements, Building Code of Australia and product materials. Produce architectural and or engineering drawings as found necessary. This will highlight the known re ctifications and predicted rectifications (not fully known) until excavations occurs.
Cost estimates
Estimated construction and/or rectification costs may be given by the consultant under separate letter to the client that can be used for budgeting purposes. The rectifications and/or upgrade may require staging the works resulting in protracting certain works. It is quite often buildings are found by our consultants to be overdue in repairing damage and is quite difficult to recommend an order of priority of the works as they usually are seen by the consultant as all of equal importance.
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