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Un article trouvé pour ce sujet.
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Stairs for the front of a new community center |
2006-10-24 |
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Tia pose la question :
Plans for a set of stairs for the front of a new community center use the ratio of rise to run of 2 units to 5 units. Are these stairs within carpenters guidelines,which state that the ratio of rise to run should be between 0.45 and 0.60
Penny Nom lui répond. |
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