Abstract:
The aim of this study is to design a wastewater collection system for Nahaleen Village , this
Village are suffered from shortage of existing Infrastructure, such as wastewater collection
system. Therefore; the dispose wastewater without any treatment, will cause danger to human
health, unacceptable damage to the natural environment, and water resources (surface and
underground water).
To design Wastewater collection we do preliminary studies: first, Prepare Contour Map and
Geotechnical Investigation (soil type) and detail Map of the area showing street. Second, known
water supply and consumption studies and identification of the area. Third, collected all the
information about the village such as the number of its residents, then after we divided the area
and we named the streets and determined the areas covered by the network, and then we named
all the data such as manholes, pipes ... etc., then the flow quantity for each pipe was calculated to
design a sewage network.
After finishing our project we expect to design a wastewater collection system , that provide a
good sanitary environmental condition of Nahaleen protecting public health ,dispose the human
excrete to a safe place by a safe and protective means , to dispose of all liquid waste from
community to a proper place for preventing a favorable condition of mosquito breeding ,fly
developing or bacteria growing , to transport liquid to wastewater treatment plant so as not
danger or land to get of polluted where it is disposed off . The present study considered the
annual population growth and their water consumption for the coming 25 years that will be the
design period the necessary hydrulic calculation needed for the design of the main trunks was
carried out by simple calculation.
