3.1.3 The contractor's claims that the two projects' were in "rural farming communities" and that, therefore, the building material, skilled labour and "specifically construction capacity" demanded by the "extremely high specifications and quality of workmanship required by the employer" were also refuted as credible explanations for the delays, particularly because the location of the centres and labour requirements of the projects were known to the contractor at the time tenders were submitted, and could therefore have been factored in.