You may go through the major building services discussed in unit 1 to 6 of this course and the building regulations and requirements. Answer the followings: (a)You are tasked to analyse the building information (for retail and office development) and to carry out the energy and water efficiency health audit assessments of the building. Appraise FOUR (4) M&E systems and comment on how the systems will affect the overall building energy efficiency.(b)Study the operation status of chillers shown in the above case, examine the challenges in improving the existing chilled water cooling plant performance efficiency.