1. ABNT (2011), “NBR 14037: manual of operation, use and maintenance of buildings – content and recommendations for elaboration and presentation”, Brazilian Association of Technical Standards, Rio de Janeiro.
2. NBR 5674: maintenance of buildings – procedure;ABNT,2012
3. NBR 15575-1: housing buildings up to five floors – performance – part 1: general requirements;ABNT,2013