Design Aspect Covered
NBC 109: Masonry : Unreinforced covers the structural design aspect of unreinforced masonry elements in the buildings. It also deals with some aspect of earthquake-resistant design of buildings. References to seismic zoning, seismic coefficients, important factors, structural performance factors and performance coefficient are as per NBC 105-94 Seismic Design of Buildings in Nepal.
This Code should be read in conjunction with the Indian Standard IS:1905-1987 Code of Practice for Structural Use of Unreinforced Masonry (Third Revision).