PCA Project of the Year 2022 - Trace Win Fourth Project of the Year Award!

PCA Project of the Year 2022 - Trace Win Fourth Project of the Year Award!

Articles about Timber

Complex projects which require innovative design to solve problems in new ways, win awards. The project in question involved dealing with an MMC (modern methods of construction) timber structure suffering issues of decay.

Trace were asked to inspect a Cross Laminated Timber (CLT) structure, where the walls and roof consist of pre-fabricated panels, providing an environmentally sustainable building.  In this case the structure was less than ten years old.

A principal contractor was instructed to undertake roof repairs, and upon removal of the roof covering, which was a single ply membrane, it became apparent that timber members had both wet and dry rot present.

Germination of fungi and subsequent decay was thought to be via ingress through the roof covering, also associated with gutter issues.  

At this stage, the Principa lContractor and Structural Engineer had no strategy for repair, and Trace were asked to advise.

We employed our specialist knowledge of structural timber repair, using both traditional and modern resinsplice methods to provide proposals and agree the specification.

To our knowledge, the resin splice repairs which we have devised, have not ever been completed previously, and are innovative in timber structures of this type.  

Methodology had to be agreed with the Engineers, Principal Contractor, and furthermore the Timber Research & Development Association were asked to consult, specifically validating the extent of decay and resultant extent of timber cut out.  

We produced detailed Quality Assurance documentation, with each stage of each repair being photographed, a QA sheet completed to sign off each stage, and this is all recorded within an O&M manual prepared by Trace.  

The Principal Contractor HSLMcConnell Ltd. Stated that ‘Trace completed all of the works identified in the main building to a very high standard’, and ‘All of the lads on site have been excellent and it has been a pleasure to work with you all.’

Timber resin splace in CLT panel

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