The second edition of this design manual is a comprehensive guide for the practising consultants, designers and engineers from electrical and mechanical background to understand the nuances of design parameters for mep services required in high rise buildings. The consultants will find the collection of pre-tabulated data for various services in this manual a very useful and handy tool. They will find various design methodologies to achieve economical and efficient design. Fresh graduate engineers interested in starting their career in the construction industry will find this manual as a bridge between their theoretical background and on field designing strategies. The step-by-step method of designing explained here will take them to higher level of understanding without facing any difficulty of complex calculations. They will be able to use their knowledge of basic mathematical calculations for designing air-conditioning, substation, pumps, illumination and scores of services required for the functioning of a modern high rise building. They will be able to learn the guidelines as prescribed in various national and international codes and byelaws.