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Feasibility of decentralised Sustainable Refugee Camp Drainage System (SRCDS)

Tota-Maharaj, Kiran; Ajibade, Oluwatoyin Opeyemi; Hills, Colin; Macleod, Cecilia

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Authors

Kiran Tota-Maharaj

Oluwatoyin Opeyemi Ajibade

Colin Hills

Cecilia Macleod



Abstract

In this research, a new decentralised drainage system, Sustainable Refugee Camp Drainage System (SRCDS), is developed for effective management of storm water and greywater in Dadaab refugee camp, Kenya. The SRCDS uses the principle of Best Management Practices (BMPs) to manage storm water and greywater point sources before they can mix. The numerical modelling of the drainage system was undertaken using the Storm Water Management Model (SWMM) and Micro Drainage Sustainable Drainage Systems (MDSuDS) software packages. The numerical modelling of the drainage system was carried out in two main stages (i) the total storm water flow in a sub-catchment in order to obtain total runoff volume and peak runoff rate and (ii) to obtain required dimensions of the SRCDS required to drain and store the generated runoff for reuse. The results obtained showed that (i) the total volume of runoff generated over the sub-catchment area reduces significantly as the volume of water drained by the SRCDS increases and (ii) the peak runoff rate decreases as the sizes of the SRCDS increases. The sizes of the SRCDS were iteratively modified until adequate sizes to cope with the peak runoff rate and total runoff were achieved.

Presentation Conference Type Conference Paper (unpublished)
Conference Name 2nd Polish IWA Young Water Professionals Conference “Emerging Technologies in Water and Wastewater Sector”
Start Date Feb 12, 2020
End Date Feb 14, 2020
Deposit Date Feb 21, 2020
Publicly Available Date Feb 21, 2020
Keywords Drainage systems; numerical modelling; refugee camps; sustainable storm water and greywater management
Public URL https://uwe-repository.worktribe.com/output/5465193

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