Effect of portion of terrace being at higher level / Over Head Water Tank
Such higher level or over head water tank should always be towards South, West or SouthWest position. In no case the high level shall be towards North, East, NorthEast, NorthWest & SouthWest side.
Shaded area is the correct place for these
Effect of portion of terrace being higher level / Over head water tank in debilitating areas (Shown Shaded)