1.

Consider the following factors :1. Provision of a suitable slope to the top of the sill.2. Proper throating of the sill to throw off the water outside.3. Giving a projection of not less than 50 mm to the sill.4. Providing damp-proof course below the sill to check the entry of moisture inside the main wall.Those considered while constructing a brick sill would include

A. 1 and 2
B. 1, 3 and 4
C. 2, 3 and 4
D. 1, 2, 3 and 4
Answer» B. 1, 3 and 4


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