Construction claims case law The construction of a building will often take longer than expected and cost more than expected. The work may be technically challenging from a design or a construction perspective. The relationships between developers, contractors, subcontractors and professionals usually give rise to legal complications. The contract may be too simple or too complicated. In short, even the simplest of projects have the potential to give rise to myriads of disagreements. This section is maintained by Paul Whittle of Thomas Sands Consulting and Paul Whittle Mediation.