The most important reason for retrofitting is to increase safety. These retrofit ordinances are designed to create safer buildings for people to live and work in, while reducing the public's concern of what will happen when the next earthquake strikes.
Why is retrofitting needed?
Retrofitting reduces the vulnerability of damage of an existing structure during a near future seismic activity. It aims to strengthen a structure to satisfy the requirements of the current codes for seismic design. In this respect, retrofit is beyond conventional repair or even rehabilitation.
Why retrofitting is essential in old building?
Retrofitting the existing buildings is one of the most environmentally friendly, economical competent and proven as an efficient solutions to optimize the energy performance and could also helps to prolong the life of the existing building especially to the historical buildings.