Steel Stairway Construction Detail with Man Keeper Plan Section

The drawing shows a steel stairway construction detail with man-keeper protection, including plan layout, elevation, and sectional detail of the stair structure. The plan view illustrates the circular man-keeper guard arrangement with a diameter measurement of approximately 355 mm, designed to provide safety around the stair access opening. The elevation drawing displays the stair frame structure assembled with steel plates and support members forming the stair support system. Structural elements include steel plates sized 25 x 350 mm, 14 x 350 mm, and 25 x 350 mm connected with reinforcement plates and frame members. The drawing also highlights the vertical support alignment, stair frame brackets, and plate connections used to maintain stability of the stairway structure.