ATHI WATER WORKS DEVELOPMENT AGENCY(AWWDA) TENDER SEPTEMBER 2023
MINISTRY OF WATER, SANITATION AND IRRIGATION (MWSI)
| REQUEST FOR EXPRESSION OF INTEREST |
CONSULTANCY SERVICES FOR HYDROGEOLOGICAL INVESTIGATIONS AND SURVEYS FOR GROUNDWATER RESOURCES FOR NAIROBI
| PROJECT NAME: |
NAIROBI WATER AND SANITATION PROJECT |
| Credit No. |
CKE 1135 01H |
| REoI No: |
AWWDA/AFD/NWSP/CS-05/2023 |
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The Athi Water Works Development Agency, a State Corporation under the Ministry of Water, Sanitation and Irrigation (MWS&I), has received financing from Agence Francaise de Developpement (“AFD”), towards the cost of the Nairobi Water and Sanitation Project, and intends to use part of the funds thereof for payments under the following services: Consultancy Services for Hydrogeological Investigations and Surveys for Groundwater Resources for Nairobi. AWWDA/AFD/NWSP/CS-05/2023.
The Services of the Consultant shall consist of the following;
a)To study, define and map the limits of ground water in the study area i.e. the five Counties of Nairobi, Machakos, Kiambu, Murang’a & Kajiado;
b)To study and provide a clear understanding of the groundwater resource in the study area – i.e. clear definition of the aquifers, their characteristics, interactions, recharge points t.c. and consequently propose a global water balance in the study area;
c)Undertake a detailed assessment of the groundwater availability in terms of quality and quantity distribution for different hydrogeological terrains within the study area;
d)Carry out detailed hydro census/abstraction surveys & remote sensing.
e)To study and provide a clear indication of a particular spatial distribution of the aquifer potential. To provide clarity concerning the infiltration from the rivers and the lateral outflows;
f)Establish and map out areas of negative balance that should be capped and no more development of groundwater resources in those parts;
g)Evaluating groundwater quality for various in the study area proposing suitable treatment for the same; and
h)To identify, define and map potential recharge points for the Nairobi Aquifer Suite.
i)Prepare Detailed Design for the identified potential recharge points.
j)Develop a detailed strategy & investment plan on ground water recharge interventions within Nairobi Aquifer Suite;
k)Review and design well fields identified in the Master Plan for developing New Water Resources 2012 & Third Nairobi Water Supply Masterplan
l)To provide an institutional plan for future exploitation and development of ground water resources in the study area.
m)To evaluate the Technical, Financial, Economic and Environmental viability for sustainable Groundwater investments, including alternative power sources to operationalize groundwater abstraction. The output of this evaluation will be a detailed ground water investment plan covering but not limited to ground water recharge activities, sustainable ground water exploitation and utilization and ground water protection investments.
The Athi Water Works Development Agency hereby invites Applicants to express their interest in delivering the Services described above. This Request for Expressions of Interest is open to: Consultant Firms.
Eligibility criteria to AFD financing are specified in sub-clause 1.3 of the 
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