(1) The compliance of energy performance of a building shall be ensured by the owner by following either of the following methods, namely: -
(a) Prescriptive Method. – The building shall comply with the mandatory requirements and prescriptive requirements as specified in the Code for envelope components, comfort systems and controls, lighting and controls, electrical and renewable energy systems;
¹Hkkx IIµ[k.M 3(i)º Hkkjr dk jkti=k % vlk/kj.k 27
(b) Whole Building Performance Method. – The building shall comply with all mandatory measures and the requirements specified in the whole building performance method of the Code and the energy performance index of the proposed design under this method shall be the same or less than the energy performance index of the standard baseline design of building as follows:
energy performance index of proposed design energy performance index ratio = –––––––––––––––––––––––––––––––––––––––––––––– ≤1 energy performance index of standard baseline design
(2) The summary covering building envelope, comfort systems and controls, lighting and controls, and electrical and renewable energy systems and their checklists under Prescriptive Method and Whole Building Performance Method shall be as specified in the Appendix D of the Code.