ANALYSIS AND PLANNING OF WATER SUPPLY NETWORK SYSTEM OF GOPALGONJ POURASHAVA USING DIFFERENT GIS TECHNIQUES

M.S.H.  Swapan; M.R.  Karim; M.A.  Rahman

doi:10.53808/KUS.SI.FRCC.2006.15-26-se

Authors

M.S.H. Swapan Urban and Rural Planning Discipline, Khulna University, Khulna 9208, Bangladesh
M.R. Karim Urban and Rural Planning Discipline, Khulna University, Khulna 9208, Bangladesh
M.A. Rahman Urban and Rural Planning Discipline, Khulna University, Khulna 9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.SI.FRCC.2006.15-26-se

Keywords:

Geographic Information System, network allocation, served and deprived zone, site selection, water supply and weighted overlay

Abstract

GIS is a very strong tool for urban planners in decision making. The technology is new to Bangladesh and becoming popular in the field of infrastructure planning and management. This study is a very preliminary endeavor in automated planning initiatives of this country. The aim of the study is to show the capabilities and potentiality of Geographic Information System (GIS) to automate and analyze the water supply system in a district headquarter, which needs information based planning for future expansion of water related services. The study analyzes the efficiency of existing water supply network system using NETWORK allocation function. The study shows that 61% of distribution path are close to the existing coverage through water pipe line. It also delineates suitable sites for setting up new overhead tanks considering the existing water supply coverage, water demands in different landuses and their relative weighted valuation using Model Builder tool of ARC View. It has been identified that 1028132 m²(13% of the Pourashava area) in different locations is suitable for constructing new tanks. The study will assist to adopt the appropriate policy measures in order to safeguard the interest of people for drinking water supply.

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