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5 STRUCTURES WITHIN OR ADJACENT TO DRAIN/DRAINAGE RESERVE 5.1 No Structure Within Drain/Drainage Reserve No structure shall be constructed within a drain or drainage reserve.
5.2 Drain Connection Within Drainage Reserve Drain connection within a drainage reserve shall be closed to maintain the continuity of access along the drainage reserve. The closed drain or the slab and its supporting structure/foundation shall be designed for heavy vehicular loading in accordance with Land Transport Authority’s standards.
5.3 Embankments and Structures Adjacent to Drain/Drainage Reserve All embankments and structures shall beset outside the drainage reserve. They shall be stable and independent of the drainage structures. The design of embankments and structures near a drain or drainage reserve must not take into consideration the passive resistance offered by the existing or proposed drainage structures. The embankments and structures shall be stable when excavations up tom below the invert or proposed invert of the adjacent drain are carried out.
In addition, the Qualified Person shall ensure that the embankments and structures can be built without affecting the drainage structures.
5.3.1
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