Feasibility Study and Design of South Akaki Catchment Sewerage System

Source: World Bank — Second Ethiopia Urban Water Supply and Sanitation Project

REQUEST FOR EXPRESSIONS OF INTEREST

(CONSULTING SERVICES – FIRMS SELECTION)

Country: Federal Democratic Republic of Ethiopia

Name of the Project: Second Urban Water Supply and Sanitation Project

Loan No.: IDA-60070

Assignment Title: Consultancy Service for Feasibility Study, Detail Design of South Akaki Sewerage Sub-Catchment in Addis Ababa

Reference No: ET-AAWSA-155794-CS-QCBS

The Federal Democratic Republic of Ethiopia (FDRE) has received financing from the World Bank toward the cost of the Second Urban Water Supply and Sanitation Project and intends to apply part of the proceeds for consulting services.

1. Description of  Project Area: The Akaki sewerage catchment is located in the South-West side of Addis Ababa. The total area of the catchment is approximately 9,690 Ha and comprises part of Bole area and the whole of Bole-Bulbula development area on the North-East direction with an elevation ranging between 2,320m and 2,170m, decreasing towards the South. The North-West part of the catchment includes part of Mekanisa and Lafto area with a maximum elevation of 2245m decreasing towards the South while including Kality industrial and sub-center development areas.

2. Duration of the Assignment: The consulting service intended duration is for 18 months (8 Months for Phase I and 8 Months for Phase II)

3. Objective of the Assignment: The specific objectives of the Assignment are:

• • • To carry out Feasibility Study and Tender Document Preparation for the Design-Build-Operate (DBO) of the Wastewater Treatment Plant
    • To carry out Feasibility Study, Detail Design, and Tender Document preparation for the construction of the Sewerage System

 4. Scope of Services and Estimated Person/Month input

4.1 Phase I- Feasibility Study (Total Contract duration =8 Months, and Total Input =57 person/Months)

The feasibility study is intended to identify the investment needs covering an appropriate design horizon to be determined through the study (25 years is envisaged) and the design and construction of the wastewater collection, conveyance, and their safe disposal system including all necessary wastewater treatment system.  The  expected outcome of the FS part of the assignment is to propose a clearly defined wastewater investment project(s) for the Akaki-Sub catchment, which would be discussed with the AAWSA-WSIDD, and the Financier(s)/Development Partners for the Projects during the implementation period of the current assignment

4.2 Phase-II- Preparation of the Detail Design, Preparation of Tender Document (Contract duration =8 Months, and Total Input required =44 person/Months)

4.2.1 Phase 2.1 - Detail Design of the Sewer System

Upon approval of the feasibility study including the feasibility level designs, the consultant shall complete any remaining approved engineering surveys and investigations and incorporate the results into the Detail design documents. The detail design stage includes two components.

1. The Detail Design of the wastewater interceptor and transport system (Trunk/Main, and Secondary and Tertiary Sewer systems) in the entire catchment which connect to the house drains and other sources. In the case of decentralized systems that will have been recommended at the feasibility level prepare detail designs of the system including the off-site treatment plants that will have been designed at prefeasibility level.
2. The Secondary and tertiary sewers system shall be scoped and packaged such as to be able to generate at least a threshold level of sewage load for the sewer system to transport and for the wastewater treatment plant to operate with tolerable efficiency

4.2.2  Phase 2.2- Tender Document Preparation for the Design-Build-Operate of the WWTP, and for the construction of the Sewer System

Preparation of Tender Documents shall commence upon the approval of the Detail Design Documents of the Sewer Systems. The consultant will identify appropriate Contract Types and Packaging needed for procuring the works, goods and possibly further services needed to deliver on the projects. Preparation of Tender Documents for wastewater treatment plant for Design-Build-Operate system shall commence upon the approval of the Feasibility study.

   The Addis Ababa Water Supply and Sewerage  Authority (AAWSA), Water and Sanitation Infrastructures Development Division Office now invites eligible consulting firms (“Consultants”) to indicate their interest in providing the Services. Interested Consultants should provide information demonstrating that they have the required qualifications and relevant experience to perform the Services. The short listing criteria are:-Core business and years in business, qualification, and experience in the field of assignment, organizational and managerial capabilities of the firm, and general qualification and number of key staff but not individual experts’ bio data.

The attention of interested Consultants is drawn to paragraph 1.9 of the World Bank’s Guidelines: Selection and Employment of Consultants under IBRD Loans and IDA Credits by World Bank Borrowers dated January 2011 and revised July 2014 (“Consultant Guidelines”), setting forth the World Bank’s policy on conflict of interest for consulting services.

Consultants may associate with other firms in the form of a joint venture or a sub consultancy to enhance their qualifications.

A Consultant will be selected in accordance with the Quality and Cost Based Selection (QCBS) method as is set out in the Consultant Guidelines.

Further information can be obtained at the address below during office hours Monday-Friday 09:00 A.M-11:30AM in the Morning and 01:30 PM-05:00PM in the afternoon.

Expressions of interest must be delivered in a written form to the address below in person or by mail, or by fax, or by email on or before   3 July /2020, time 3:00 PM  

AAWSA, Water and Sanitation Infrastructures Development Division

Attention: Ms. MestawotAbebe

Head of Procurement Department

Address: LidetaKifleKetemaWereda 04 around Lideta  Condominium , on the Left Side  of LidetaMenafesha

Floor/ Room number:   1st floor   

Telephone: +251 116673920

Facsimile number: +251 116623924

E-mail: kiyake21@gmail.com  and  aawsaadamu@gmail.com

City:-Addis Ababa