This report examines legal issues arising from disputes in construction projects governed by the JCT 11 Standard Building Contract with Quantities (SBQ). It analyzes three scenarios involving a basement floor with cracks and water penetration, a collapsed internal wall, and cracked foundations due to improper material selection. The report explores the legal positions of the employer and contractor in each case, applying relevant contract provisions and common law principles. It delves into concepts like breach of contract, negligence, and the liability of specialists, providing case examples to illustrate the legal principles involved.