According to NBR 9077/1993, what are the requirements for mixed flights of stairs? a) They must comply with item b of 4.7.8.1; b) The fan-shaped st...
According to NBR 9077/1993, what are the requirements for mixed flights of stairs?
a) They must comply with item b of 4.7.8.1;
b) The fan-shaped steps must be balanced according to the rules of good technique, using one of the recommended balancing systems, with constant width (b) on the path line;
c) The inner edge (pump edge) of the step in the most unfavorable position must be at least 15 cm;
d) All requirements from 4.7.1 to 4.7.4 and 4.7.7 must be respected.
a) I and II are correct.
b) II, III, and IV are correct.
c) I, III, and IV are correct.
d) All of the above are correct.
a) They must comply with item b of 4.7.8.1;
b) The fan-shaped steps must be balanced according to the rules of good technique, using one of the recommended balancing systems, with constant width (b) on the path line;
c) The inner edge (pump edge) of the step in the most unfavorable position must be at least 15 cm;
d) All requirements from 4.7.1 to 4.7.4 and 4.7.7 must be respected.
a) I and II are correct.
b) II, III, and IV are correct.
c) I, III, and IV are correct.
d) All of the above are correct.
💡 1 Resposta
Ed 
De acordo com a NBR 9077/1993, os requisitos para escadas de vôo misto são: a) Elas devem cumprir o item b de 4.7.8.1; b) Os degraus em forma de leque devem ser equilibrados de acordo com as regras da boa técnica, usando um dos sistemas de equilíbrio recomendados, com largura constante (b) na linha de percurso; c) A borda interna (borda de bomba) do degrau na posição mais desfavorável deve ter pelo menos 15 cm; d) Todos os requisitos de 4.7.1 a 4.7.4 e 4.7.7 devem ser respeitados. A alternativa correta é a letra C) I, III e IV estão corretas.
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