Part 1 Determine the answers for each size on the Civil Scales: (A) 1"=10' (for answers 1-3) & 1"=50' (for answers 4-6); (B) 1"=200' (for answers 7-9) & 1"=400' (for answers 10-12) (C) 1"=3000' (for answers 13-15) & 1"=6000' (for answers 16-18) 10 11 12 (A) 09 52 lo-

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Stair construction and layout

Stair is a type of vertical transportation in a building which consist of a series of steps in a flight of stairs that enable the vertical movement of people and materials from one floor to another. A staircase consists of steps that comprises of riser & tread, handrail, baluster, stair stringers, newel post and waist slab. The construction of staircase with all the components is termed as stair construction. A staircase is an enclosure that contains the entire stairway. The materials used for the construction of stairs are bricks, reinforced cement concrete, stone, lumber, steel and a combination of these materials.