give a rationale on how construction managers can incorporate sustainability and innovation in UK residential projects. The rationale should set out the problem and main issues. It must be supported by published material. Give an objective to the following 5 research questions.

1. What sustainability practices are currently employed by construction managers in UK residential projects?

2. How do construction managers integrate innovative technologies and methods to enhance sustainability in residential construction in the UK?

3. What challenges do construction managers encounter in implementing sustainability and innovation, and how do these challenges vary across project scales and types?

4. To what extent do regulatory frameworks influence construction managers' decisions regarding sustainability and innovation in UK residential projects?

5. How do construction managers assess and measure the success of sustainability and innovation initiatives in residential construction projects in the UK?