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TOR FOR HYDROGEOLOGICAL, GEOPHYSICAL INVESTIGATION, SOCIO-ECONOMIC AND ENVIRONMENTAL ASSESMENT FOR BOREHOLE PROJECT IN TUURKA AND LAASDUMAARE VILLAGES – Somaliland

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  • Post date:25 Apr 2021
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Job Description

Request for consultancy services (REF: SANAAG  – WASH/2021

Terms of Reference

HYDROGEOLOGICAL, GEOPHYSICAL INVESTIGATION, SOCIO-ECONOMIC AND ENVIRONMENTAL ASSESSMENT FOR BOREHOLE PROJECT IN TUURKA AND LAASDUMAARE VILLAGES.

Reference: Taakulo – Ground Water Survey Consultancy

Area of Interest: Technical research/study covering hydrogeological, geophysical investigation, socio-economic and environmental assessment for borehole

Location: Sanaag region of Somaliland, Tuurka and Laas-dumaare villages of Somaliland.

Position Type: Consultant/Firm

Duration: 1 month

start date: 25 April 2021

Deadline: 04 May 2021

INTRODUCTION

Taakulo Somali Community is a multifaceted non-governmental, non-profit making, non-political and non-partisan development and humanitarian aid organization established in 2007 and headquartered in Hargeisa, Somaliland. Taakulo is a Somali word meaning “helping/aiding”. Working in partnership with UN, international, and National organizations, Taakulo is dedicated to helping the disadvantaged people and communities throughout Somaliland by engaging in development and related activities and also providing relief support and assistance, facilitating and promoting participatory local community activities and programs that emphasize human dignity and self-reliance.

Taakulo Organization was established to assist the Somali community, to whom time has tested their resilience to the tipping point, drought and famine scavenging their livelihood, war and conflict avenging their economy on the other hand. The projects are basically based on the needs of the communities in which they are implemented where the beneficiaries always take part in the planning process. Taakulo engages on a long-term commitment, partnership approach with the beneficiaries in implementing the Projects. The objective is to set up a regional program concentrating on a particular sector, such as Health, education, water and sanitation, Income Generation, Orphan sponsorship program, disability and people with special needs, emergency respond or improving food security in the country among others.

BACKGROUND

Many parts of Somaliland are currently facing a severe water shortage following the poor performance of 2020 short rains (Deyr) and the subsequent abnormally high temperatures, heightening fears of deepening humanitarian crisis in coming months. Somalia continued to be affected by the climatic variabilities and depending on rain harvesting water source only is no sustainable. Since 2018, Oxfam has conducted cash for water assistances for people affected with water crises and invested average $27 per household per month. In 2019/20, Oxfam with Somaliland Ministry of Water Development conducted water inventory of existing strategic water sources.

The result shows that number of strategic water wells are very few compared to the geographic coverage and the need for water. Over 223 different water sources were inventoried in Sool, Sanaag and Togdheer regions (see below map showing functionality of water source as of Jan 2020). The national WASH cluster and MoWR in Somaliland are both pushing and prioritizing investment to more sustainable options. Drilling of boreholes is one of the most reliable options in Arid and Semi-arid regions. Somalia’s geology and hydrogeology confirms availability of enough groundwater sources at different depths. However, the quality of groundwater is commonly above the WHO standard but at acceptable level. (See the below map)1

The eastern regions in Somaliland and especially Saanag and Sool regions continue to suffer from recurrent drought. This situation has increased the vulnerability of the communities as they have lost most of their livestock which was their main source of livelihood. The situation is exacerbated by the fact that the two regions also continue to experience occasional inter clan fighting which is often triggered by competition for available pasture and water resources.

Drilling of the boreholes will not only contribute to providing important water sources that can support the water needs of the communities during drought and harsh climatic conditions, but also contribute to reducing risk factors leading to conflict. It will offer an opportunity to the benefiting communities to have a chance for better access to potable water, reduce the incidents water related diseases and increase access for water for practicing frequent handwashing to prevent COVID-19.

Oxfam and SWALIM/FAO inventory data, 2019-2020

OVERALL OBJECTIVES OF THE HYDRO-GEOLOGICAL SURVEY

Conduct hydrogeological and geophysical investigation and feasibility study using state of art technology “APME SAS 400 Terameter” the preferable art, or relevant APEN SAS 1000 at 2 villages in Tuurka and Laasdomaare villages: minimum of 3 VESs per location.

SCOPE OF THE WORK

The Consultant is expected to use both secondary and primary data in the exercise. Secondary data will involve desk study of available information/data on existing boreholes, drillings logs, reports and maps while primary data will be obtained by carrying out field reconnaissance and measurements of existing boreholes and geophysical prospecting within the studied area using a combination of geophysical methods as below described. The outcome of the consultancy will be a detailed hydrogeological survey report/study giving details of the findings and recommendations.

Also, the consultant is expected to conduct Socio-economic and environmental impact assessment to identify the positive and negative impacts of the proposed interventions and recommend an appropriate mitigation measures considering potential impacts to natural and environmental at the assess areas (Tuurka and Lasdumaare villages) on short and long-term impacts.

KYE ACTIVITIES AND APPROACHES REQUIRED:

The hydrogeological/geophysical investigations will be carried out in a multistep approach:

Desk study: Review of existing data, topographical maps, satellite images, existing studies and borehole site investigations in the area, geological reports and maps (if available), borehole and surface water records, etc.

Hydrogeological fieldwork: Detailed reconnaissance survey of project area. (GPS coordinates/P codes, water level measurements, condition of these boreholes, usage and performance, estimation of the hydraulic characteristics from existing well test and aquifer test, vertical geophysical prospecting at known boreholes for calibration purpose: measurement of the real resistivities of geological formations based on the existing borehole logs.

c. Geophysical measurements: vertical and horizontal electric sounding VES, by using preferably (APME SAS 4000 TERRAMETE) or equivalent APEM SAS 1000 TERRAMETER (Any other application is not valid) with 2 D tomography, (Schlumberger method)

Analysis and interpretation: report should the outcome of phase 1 and phase 2 of the study {which is desk review and remote sensing) overlying result of phase 3 outcome, prepare a ground water suitability map and summarize the outcome in a conclusion and recommendation of commencing borehole drilling in a specified location.

Presentation of the results: The result of the study will be presented for experts from Taakulo and Oxfam organizations for endorsement.

Location: Taakulo will conduct community and government engagement to ensure there is no community conflict on the land and individual ownership and does not trigger any security or risk to the beneficiaries, contractors or, to all evolved parties.

Reporting,

REPORTING

The final report will be submitted to Taakuo Somali Community after signed off and approval from organizations technical expert, and as well as partner (Oxfam). the report will be a comprehensive account of the whole duty of the consultancy; it will review the existing literature and other relevant information, such as drilling logs, satellite images, etc. The report shall include all field data, interpretations and justifications, hydrogeological evaluations, conclusions and recommendations relating to the investigated areas. In addition, appropriate maps, diagrams and data plots shall be presented. Considerable importance will be an objective the assessment of the applicability and success of the methods applied

EXPECTED DELIVERABLES

The consultant/firm is expected to deliver:

An inception report summarizing the process and result of desk review and satellite imageries.

This should include all secondary information’s in existing water sources, local and regional geology, hydrogeology, regional and local fracture analysis and propose locations for geophysical investigations. (Minimum 3 VES sites per location)

A realistic work plan detailing the procedure, time and support required in implementation of the works.

The presentation of the field work, interpretations and conclusions to the Taakulo and its partner.

The final report/feasibility study with clear recommendations.

REQUIREMENTS

Taakulo Somali Community seeks to invite qualified consultants/firms able to meet the following requirements to submit their detailed narrative and financial proposal on how to undertake the assignment.

Technical proposal on how the assignment will be conducted including methodologies, data analyses and interpretation, reports and schedules. (List software’s to be used for analysis)

Proven field technical-knowledge and field experience of consultant with master’s degree in geology, hydrology, water engineering, engineering geology, geophysics, or earth science, or in any related field and having good experience of working in this sector.

Consultancies performed in the last 10 years especially with reference letters for each hydrogeological survey’s performed over the years with trusted partners. NB. Background check will be applied.

Proof of availability of all the equipment’, personnel and ability to mobilize them on short notice (Include list of equipment, Brand/Manufacturer, CVs of the personnel) to perform the survey.

Detailed financial proposal including all professional fees, report costs and subsistence costs. Please note all costs must be broken down into details (no lump sums, no contingencies etc)

The consultant/firm will be responsible for their own security; insurance while in the field and Taakulo Somali Community will not be responsible for any injuries or damages incurred during the assignment. The costs submitted must be inclusive of all anticipated expenses.

Taakulo will select the geophysical surveyor in based on their technical competence and experience.

APPLICATION PROCESS

Interested parties must submit their applications by email referenced under title:

HYDROGEOLOGICAL AND GEOPHYSICAL INVESTIGATION FOR BOREHOLE SITTING

at Taakulo Somali Community office or procurement@taakulo.org, Deadline for submission: 4th May, 2021.

Taakulo working hours 8:00 AM to 2:00 PM from Sunday to Thursday.

Taakulo Somali Community will consider applications from only firms but not individuals. Applications shall clearly identify a team leader, who will be the sole responsible to deliver the outputs of the assignment. Consultants are requested to submit a proposal with a cover letter and must mention their expected total remuneration for this assignment.

Applications should include:

A proposal to the above Terms of Reference including methodology, schedule, budget.

A financial offer including daily fees in US Dollars

Up-to-date curriculum vitae(s) of the lead consultant and relevant team members,

Description of available equipment for the assignment,

Evidence of past experience in undertaking similar assignments (five most recent documents preferred) of similar works done,

Five (5) references of previous assignments.

Up-to-date registration certificates

Membership of international or, regional hydrogeology associates, (Add ons)

NB. Only shortlisted applications will be contacted.

For more any inquires please contact to mo.derie@taakulo.org and CC to ilyas@taakulo.org

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