Building Construction
Queen closer may be placed

In header course
In header course next to first brick
In stretcher course
In stretcher course next to first brick

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Building Construction
Auger boring

Is most economical up-to a depth of 5 meters
Is the most primitive method for making a hole in the ground
All of these
Is generally employed in cohesive and other self soils above water table

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Building Construction
Grillage foundation

Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
Is light and economical
All listed here

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