4.3. When designing the hallway between:a) If natural lighting directly from a gable, the length not exceeding 20 m corridor.b) If direct natural lighting from two Gables, the length not exceeding 40 m corridor.c) When the length of the corridor beyond the provisions on the need to have additional natural lighting by design the compartment light, each compartment had taken a width greater than 1/2 deep surface (superficial depth of external wall natural treasures to the edge of ang corridor).The distance between the two chambers took the light wasn't too 20 m. The distance between the outermost daylight cavity to the gable is not longer than 30 m.Note: The aperture scale Chamber is also considered as the compartment taken light.
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