The file include 2 Colombian technical norms :NTC4595 Civil Engineeringnd Architecture; planning and design of school installations and enviroments – Colombian technical normNTC4596 signaling for installations and school enviroments
The file include 2 Colombian technical norms :NTC4595 Civil Engineeringnd Architecture; planning and design of school installations and enviroments – Colombian technical normNTC4596 signaling for installations and school enviroments