Needed to retain the fill portion, and generally constructed in dry stone masonry with pucca bunds (Figure).
Figure: Typical Design for a Retaining Wall
(1) All dimensions are in mm.
(2) The gap in parapet may be reduced or closed entirely, at the discretion of engineer-in-charge. Suitable weep holes shall be provided if the parapet wall is built without gaps.
(3) Top surface of parapet shall be given a slope of 25 mm.