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Nhbrc Questions 041 to 045

HomeNhbrc Questions 041 to 045

NHBRC QUESTIONS 41 - 45

41)The minimum width of a strip foundation for a single storey building with a tiled or sheeted roof in stable soil conditions for an external & internal wall shall be …. respectively?
a)200mm for the external wall & 400mm for the internal wall
b)400mm for the external wall & 200mm for the internal wall
c)500mm for the external wall & 400mm for the internal wall
d)400mm for the external wall & 500mm for the internal wall

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42)What is the minimum width of a non continuous strip foundation to a load bearing wall?
a)100mm
b)400mm
c)600mm
d)700mm

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43)What is the minimum slab thickness of a strip foundation?
a)150mm
b)200mm
c)300mm
d)400mm

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44)What is the minimum width of a continuous strip foundation for a load bearing wall?
a)200mm
b)400mm
c)600mm
d)800mm

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45)What is the maximum gradient for sloped trenches in strip foundations?
a)1:10
b)1:20
c)1:40
d)1;80

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