Comparison and design of septic tank for residential buildings of different location on Dhaka city

Abstract

Bangladesh is a densely populated country; country's population will be about 17 crore by 2020. In countries like Bangladesh solid wastes make an incredible environmental hazard and social problem in city lives. A massive volume of solid waste is generated every day in the city areas and unfortunately solid waste management is being deteriorated day by day due to the limited resources in handling the increasing rate of generated waste. This paper discusses the situation of solid waste in Dhaka city as well as it offers environmental policy recommendations to concerned authorities including effective instruments to minimize the polluting behavior of individuals and industries and to recover the cost of pollution in the city. To improve solid waste management in Dhaka city, a combination of economic, regulatory and suasive instrument are recommended. The findings of the study will be helpful for policy maker, planner, implementer and other stakeholders towards adopting more effective strategy for management of solid waste in Dhaka city. Septic tanks are designed normally either to receive toilet wastes or all type of waste water. The design criteria is the volume of sewage only.