Building Construction
In grillage foundations a minimum 15 cm cover is provided on

Lower beam of lower tier
Ends of external beams
None to these
Upper flange of top tier

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Building Construction
Mansard roof is a roof which slopes in

Two directions with break in the slope on each side
Four directions without break in the slope on each side
Four directions with break in the slope on each side
Two directions without break in the slope on each side

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