Stiven is the project and facilities manager for a large infrastructure initiative in Malaysia. The project entails the construction of a high-speed rail network linking the country's main cities. This project's success is contingent on effective organisational strategies, the resolution of issues in operations strategy, and the formulation and implementation of the appropriate strategies.

(1) Describe the steps involved in developing an all-encompassing project strategy, including objective setting, environmental analysis, strategy formulation, and strategy selection.

(2) Describe the main considerations and challenges in effectively implementing the strategy, ensuring alignment with the project's objectives, and adapting to changing conditions.