Hat Yai Samut Sakhon

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9.1.3 Phuket

GIS base map has been obtained from GISTDA. Hence, boundary, streams, ponds, water bodies and topography data can be made available. The building footprint of Phuket District is available at the National Housing Authority database, highlighting the housing and building locations, the emergency infrastructure and facility, the education institutions, and the medical facilities. The land use map and the physical coverage of productive sectors like agriculture, tourism, commerce and business sector, industry, is available at NHA and municipality. Landslide risk mapping has been conducted under RECLAIM II a joint ADPC and Kasetsart university project aiming at mitigating landslide risk in Patong area. Map indicating the Rainfall patterns and flood risk maps are thus available.

9.1.4 Hat Yai

GIS base map has been obtained from GISTDA. Hence, boundary, streams, ponds, water bodies and topography data are available. The building footprint of Hat Yai District is available at the National Housing Authority database, highlighting the housing and building locations, the emergency infrastructure and facility, the education institutions, and the medical facilities. The land use map and the physical coverage of productive sectors like agriculture, tourism, commerce and business sector, industry, is available at NHA and municipality. Flood risk mapping is available thanks to TUDMP, a program conducted by ADPC. Data on drainage and sewerage network is available for the Hat Yai District.

9.1.5 Samut Sakhon

GIS base map has been obtained from GISTDA. Hence, boundary, streams, ponds, water bodies and topography data are available. The building footprint of Samut Sakhon District is available at the National Housing Authority database, highlighting the housing and building locations, the emergency infrastructure and facility, the education institutions, and the medical facilities. No proper lLand use map is available for Samut Sakhon area but the land classes mostly agricultural areas can be identified using the maps which are available at NHA. Drainage and sewerage data are less complete as well as data in relation to power and communication systems. ADPC has conducted a comparative assessment on GIS and digital data availability among the five pre-selected cities Table 9.2. ADPC assumed the reliability of data is within the acceptable range for each and every city. As the digital data has been collected for the five cities from the database of the municipality and updated using the data provided by Geo- Informatics and Space Technology Development Agency GISTDA and field survey the data reliability could be high. The source institutions for supply of digital data are similar for five cities. ADPC also assume that few gaps exist among the cities concerning the updated 142 status of the digital data used by them although the cities also use the data from the same sources. Table 9.1. Spatial data source Data Source Base Map Topographic Map Royal Thai Survey Department Administrative Boundary national, province, district, municipality Geo-Informatics and Space Technology Development Agency GISTDA, National Housing Authority NHA Physical features water bodies, road GISTDA, NHA Building Sector NHA and Taxation Office of Municipality Health Sanitation Sector Ministry of Health, Health Department of Municipality Infrastructure Emergency Service NHA, DDPM at provincial and municipal level, Taxation and Public Work Department of Municipality Water supply waste management Public Work Department and Environment Department of Municipality Urban Planning Industrialcommercial Sector Urban Planning Department of Municipality

9.1.6 Comparative assessment of spatial data