Services
We assess the current condition and future performance of commercial and residential buildings, civil structures and industrial facilities
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Durability Investigations for Concrete Structures
The causes of reinforcement corrosion may be due to agents like chloride and carbonation. Reinforced concrete can also come under attack by chemicals having high acidity or alkalinity. It can breakdown due to the presence of reactive aggregates (Alkali-Aggregate-Reaction and Alkali-Silica-Reaction) and cracking of concrete can occur through high thermal differentials and restraints arising from casting of concrete.
Corrosion Investigations for Steel Structures
We evaluate the causes of corrosion on steel structures due to exposure to harsh environmental condition during its service life. Many of these structures therefore start to corrode due to the breakdown of the protective paint layer resulting in galvanic corrosion taking place.
Building Façade Condition Audits and Investigations
Curtain wall and other façade systems deteriorate during their service life. We investigate the problems such as seepage, delaminations of finishes, loosening of façade components associated with building facades and often find that such problems could be a result of expiry of service life, wrong detailing, poor workmanship, bi-metallic corrosion from two different metals.
Prediction of Time to Corrosion and Life Cycle Costing
The data obtained from our field investigations are used in computer models to predict the time to corrosion. This information is useful for planning the maintenance schedule and allows the asset manager to set aside budgets for active maintenance of the structure, rather than wait for defects to surface. In many instances, when defects surface, the rate of deterioration often spiral exponentially. Repairs become costly at this stage. The prediction of time to corrosion therefore helps the asset manager to prepare a cost-effective life cycle cost for his structure.
Specification and Repair Proposals
We determine the causes and recommend ways to prevent the problems from worsening. Many repair methods are available in the industry from structural strengthening to use of cathodic protection systems and we propose the repair proposal based on the knowledge of the current condition and life expectancy required.