 He first proposed the construction of a building that would house the offices of the colonial government (later known as Sultan Abdul Samad Building), and was responsible for the construction of many other important colonial buildings of the period.He carried out a massive building programme; other buildings constructed under his direction included the Old Post Office, Town Hall, the High Court, Pudu Prison, and others.He was also responsible for many large public works, such as the construction of an 83-mile trunk road into Pahang, part of which traversed the mountains at a height of 2,700 feet.