This assignment examines the key changes introduced in the 2016 edition of the Joint Contracts Tribunal (JCT) Design and Build Contract compared to the 2011 version. It highlights the incorporation of Interim Valuation Dates (IVDs) to promote fairer payment practices, the simplification of contract particulars, and procedures for prompt assessment of loss and expense claims. The document also discusses amendments related to fluctuations provisions, public sector regulations, and CDM regulations, demonstrating how these changes aim to simplify and improve construction operations.