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Nepal National Building Code NBC 105: 2019 Seismic Design of Buildings in Nepal is the title of this document. The document is the outcome of the revision of the earlier version of NBC 105: 1994 Seismic Design of Buildings in Nepal.
This code covers the requirements for seismic analysis and design of various building structures to be constructed in the territory of the Federal Republic of Nepal. This code is applicable to all buildings, low to high rise buildings, in general. Requirements of the provisions of this standard shall be applicable to buildings made of reinforced concrete, structural steel, steel-concrete composite, timber and masonry.
The attempt for development of any code for seismic design in Nepal started in the Nineties following the Udayapur earthquake of 1988. Consequently, the Nepal National Building Code NBC 105 Seismic Design of Buildings in Nepal was published in 1994. Since then the seismic code has not been reviewed and updated till the moment. In view of the development in research and technology and new knowledge learnt from various large earthquakes in the region and other parts of the world in last 25 years, the need for updating of the document was tremendously felt.
The Department of Urban Development and Building Construction (DUDBC), Ministry of Urban Development (MoUD) had initiated the preparation for the updating of the NBC 105: 1994 Seismic Design of Buildings in Nepal, however, the process was formally started only after the Gorkha Earthquake of 2015 April 25 and the following aftershocks. The process of updating the NBC 105: 1994 Seismic Design of Buildings in Nepal was started under the initiative of the Central Level Project Implementation Unit (CLPIU) of the ADB financed Earthquake Emergency Assistance Project (EEAP) under the Ministry of Urban Development (MoUD). The revision of the NBC 105: 1994 as the major code guiding the seismic design of buildings in Nepal is one of the important activity to be implemented under the EEAP.
This Standard is the first revision of the Nepal National Building Code 105: 1994 Seismic Design of Buildings in Nepal, prepared by the Working Group of Consultants formed by the Central Level Project Implementation Unit (CLPIU) of the Earthquake Emergency Assistance Project (EEAP) under the Ministry of Urban Development
(MoUD) and later transferred to the National Reconstruction Authority (NRA), the Government of Nepal. This standard after due approval will supersede the earlier 1994 edition of the NBC 105 Seismic Design of Buildings in Nepal.
