Figure 2

Simplified engineering geomorphic unit-based map of DAP of Dhaka City. OC: Pleistocene terrace (Overconsolidated clay/silty clay/clayey silt), HA: Holocene alluvium (Unconsolidated sand, silt and clay), LAN: Landfill (Mainly unconsildated sand). This map was produced from image analysis and verified with borehole data. (Sources of Borehole (BH) and Downhole Seismic Test (DST) data: Dhaka University (DU), Geological Survey of Bangladesh (GSB), Creative Soil Investigations, Prosoil, Comprehensive Disaster Management Programme (CDMP))