The appellant (ZIMDEF), a statutory body, and the respondents (Vengesayi Architects), beneficial owners of an architectural firm, entered into an agreement in 1998 for architectural services regarding construction of a building. The project was suspended in 2005 at the instance of the main contractor demanding additional payment to cushion against inflation. Vengesayi Architects had been paid in full for all work up to that point. The project resumed in 2011 with an instruction from ZIMDEF to "resume supervision services". Upon resumption, the project was revalued in US Dollars due to Zimbabwe's adoption of a multicurrency regime. In 2014, Vengesayi Architects sent a fee note claiming 6% of the revalued project cost, less amounts already paid. ZIMDEF contended it had paid 4.5% of fees and that only supervision (1.5%) remained payable. A dispute arose regarding calculation of fees under the Architects (Conditions of Engagement and Scale of Fees) By-Laws S.I. 829/1980. The matter was referred to arbitration, which found in favor of Vengesayi Architects and awarded USD 476,093.92 plus interest at 5% from 7 August 2014. ZIMDEF also counterclaimed for damages alleging negligence, which the arbitrator dismissed as prescribed.