|Introduction : |
For the past couple of years, Uganda has faced heavy rainfall during the rainy season and sometimes during what is conventionally the dry season. As a result of this, there is heavy flooding in Kampala city especially the high-density neighborhoods/informal settlements leading to loss of property, diseases and even death. Floods potentially increase the risk of sanitation related diseases like cholera, dysentery, malaria among others. Floods pose a significant threat to Kampala city with greatest ability to endanger human life and impair economic activities. Over 170,000 people are affected by floods, and the annual average cost of building damages caused by floods in Kampala Capital City alone is US$49.6 million.
Floods in Uganda have been exacerbating due to the current climate change impacts which has resulted into increased precipitation and degradation of natural ecosystems such as wetland reclamation, forest degradation, improper agricultural practices, inadequate design of drainage channels and structures, inadequate maintenance of drainage facilities, blockage by debris brought by flood waters and construction of settlements in flood plains.
Since its establishment in 2011, Kampala Capital City Authority (KCCA) has upgraded several drainage channels to divert floods. However, the problem seems far from over. City suburbs such as Kavule, Kasubi, Katanga, Kisenyi, Nalukolongo, Kabuusu, Katwe, Namungoona, and Kinawataka among others are some of the most affected places. Other flooding-prone areas in the Kampala city include Queen’s Way, Ssebaana Kizito, Kabuusu junction, Jinja Road roundabout and Kyambogo-Banda, among others. Evidence from KCCA indicate that while there are primary drainage channels in place, these have not been complemented with secondary drainages (small tributaries) to reduce the volume of water that is accommodated by primary channels.
In addition, poor waste management contributes to the impact of urban flooding by blocking drainages, increasing debris, and harboring disease vectors. With frequent heavy rain falls coupled with poor drainage system in Kampala, the water gets mixed with the openly dumped solid waste and eventually, it blocks the drainage lines causing floods.
Through an exploratory exercise with the communities of Kiggundu and Sebina Zone, one of the issues identified as a key contributor to flooding in the communities was poor waste management for both human waste and waste because of human use.
The Consultancy firm shall procure community tools, mobilize members and work with the Local Council 1 leadership to survey, map, design and construct 4 drainage tributaries in each village (8 in total) that will connect to the main drainage channel. This should be done in accordance of the Kampala Capital City Authority (KCCA) drainage master plan and stormwater management Policy attached in the annex
The Consultancy firm will deploy the most appropriate, environmentally friendly, and durable solutions to construct the 8 drainage tributaries including installation of appropriate culverts that will allow smooth passage of water. The tributaries should also connect to the main drainage systems. This should be done in accordance of the Kampala Capital City Authority (KCCA) drainage master plan attached in the annex.
· The consultancy firm will also distill the main drainage channel to smoothly take water to the Lubigi channel. The Consultancy Firm shall plant green (trees, flowers and grass) belt alongside the drainage
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