Nairobi City County Reverse Pitch
By Patrick Analo
Ag. County Secretary and Chief Officer, Urban Planning at
Nairobi City County Government
May 2024

Issues Nairobi City County is facing:
Nairobi City County is facing the issues of floods and river flooding arisingfrom El Niño and increase in rainfall.
RAINFALL OUTLOOK FOR OCTOBER, NOVEMBER AND DECEMBER 2023 AND JAN, FEB AND MARCH 2024

NOAA：National Oceanic and Atmospheric Administration
CPC：Climate Prediction Center
ENSO：El Niño-Southern Oscillation
Season:JJA: June-July_August
JAS: July-August_September
ASO: August-September_October
SON: September-October_November
OND: October-November_December
NDJ: November-December_January
DJF: December-January_Feburary
JFM: January-Feburary_March
FMA: Feburary-March_April

Images provided by The International Research Institute for Climate and Society, Columbia University Climate Schoolhttps://iri.columbia.edu/ENSO

Issues Nairobi City County is facing:
Flooding is causing various damages to the city,
especially in densely populated areas

For example, In January 2024, Nairobi city experienced
very heavy rain fall that pounded the city…
As visualised in the videos below.
Pic 1 – bust river and pic 2 – overflowing drainages…

Pic1

Pic 2

For example, In January 2024, Nairobi city experienced
very heavy rain fall that pounded the city…
As visualised in the picture below.
Pic 1 – floods and pic 2 – damaged roads

Pic1

Pic 2

IN APRIL 2024 – Nairobi city experienced extremely heavy
rainfall leading to flash floods…
Several lives have been lost and property damaged
Pic 1 – floods and pic 2 – run off affecting roads.

Pic1

Pic 2

IN APRIL 2024 – Nairobi city experienced extremely heavyrainfall leading to flash floods…
Several lives have been lost and property damaged.
Pic 1 – floods and pic 2 – damaged properties.

Pic1

Pic 2

Involved Stakeholders
Along with Nairobi City County Government, Various stakeholders are involved
to address the issue of flood and its secondary damage in Nairobi

Pre-DisasterPost-Disaster

Water Management Agency

Crisis Management Agency✓ National Disaster Operations Centre(NDOC)✓ National Disaster Management Unit
(NDMU)✓ National Police Service (NPS)✓ Water Resources Authority (WRA)✓ National and Regional Flood Mappingand Impact Assessment Centres(FMIAC)Nairobi
Meteorological Agency✓ Kenya Meteorological Department (KMD)✓ National Flood Forecasting Centerand Early Earning Center (NFFEWC)

NGOs and Humanitarian Organizations✓ Kenya Humanitarian Partnership Team(KHPT)✓ Kenya Red Cross✓ UNICEF✓ Working through Community Health
Volunteers (CHVs)

In Nairobi, we have so far taken a number of measures against floods and damage
caused by them…. For instance• Establishment of Disaster Management, Mitigation and Coordination Plan developed by disastermanagement experts, Nairobi County Government multi agency team and climatologists. The plan iscentered upon 3 phases i.e. preparation, response, and reconstruction• The Nairobi County City Government continues to work in collaboration with the National Government , National
Police, and the red cross have initiated an emergency response program to address anｄ redress the situation• Mapping of areas that are most at-risk of affected by flooding• Hiring of 3,500 environment officer to implement the Disaster Management Plan.
• The Green Army deployed to all 17 sub-counties in Nairobi continues to unclog blocked sewers. All the necessary
equipment to facilitate the unclogging sewers and cleaning drainage systems in the affected areas; backhoes,wheeloaders, flushing units and excavators• Nairobi City Water and Sewerage Company inspected sewer lines and repaired damages, including flushing 22 Km of
the sewer lines to remove debris and repairing 70 damaged manholes before rain season

Expected Solutions from Japanese start-up companies
Nairobi City County is aiming to contain damage cause by floods by flood prevention, information
provision to citizens, continued medical care after floods, and early warning system
ObjectiveSolution Examples

Control of damage caused byflooding through flood forecastand notification✓ Flood Prediction System (e.g. river monitoring system)✓ Flood Alert System (e.g. smartphone realtime alert application)

Prevention of the healthassociated impacts of floods
through the identification of
epidemic prone areas✓ Epidemic Outbreak Risk Detection System (e.g. use of
epidemiological, satellite (geospatial) data

Prevention of the healthassociated impacts of floods
through the establishment of
support and relief systems✓ Identification of High-Risk Areas✓ Establishment of Material Supply System (including Water
Purification tablets provision) (e.g. drone supply)✓ Establishment of Medical Support System (including DignityKits provision) (e.g. drone supply)Start-up Company Support Programs
In Nairobi City County, the following Support Programs are available for JapaneseStart-up companies including companies from Tokyo.

✓ Provision of Free Office
Space and Utilities

Office Spaces (including utilities) will be provided for free of charge during Startup
companies’ PoC period.

✓ Provision of Experiment
Field and Support

Nairobi City County will coordinate and provide appropriate sites (fields) and support forstartup companies to conduct PoC experiments, for example…..

A river or channel that is reported to floods or overflows with high frequency ​Areas where puddles occur after a flood​
Preparation of official letters for acquisition of satellite and GPS data​
Organizations and facilities capable of establishing a system etc.