Yet another reason that you should consider using Singapore architects in this process would be that several architect firms would be able to offer a huge range of construction management service. It would do so at the correct price. They would be able to simplify the entire process and leave you with relatively less to deal with or stress about.
It would be by no means a simple task of managing a residential build. Therefore, it would be better to consider consolidating your workload along with farming it out to your architect company. They would be far more experienced and in a better position to deal with any issues or problems appearing as the project develops.