Atria - Procurement.

An atrium structure will have several complex interfaces:

• The cladding
• Cleaning equipment
• Supporting structure

The management of these interfaces is critical to the successful implementation of the design. If the structure, cladding, etc are procured through separate contracts it is even more critical to define the technical requirements and responsibilities at interfaces. The following issues should be addressed:

• Forces and movements to be accommodated
• Compatibility requirements of materials
• Design responsibility for components and fixings
• Definition of overall theoretical and as-built geometry.

It can be convenient to incorporate several packages of work into a single contract.

This can reduce risk associated with the management of interfaces. This route may increase cost due to the increased responsibilities carried by the contractor.

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