Determine the force in member BE of the Howe roof truss shown in Ibs. P1 = 331 kN and P2 = 621 kN. Write numerical value only and in 2 decimal places. P2 P2 P2 D P1 P1 6 ft B 6 ft H. Ao E G 8 ft 8 ft- 8 ft→-8 ft-

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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.