Expression of Interest for Consultancy For Development Of A Strategic Flood Risk Assessment And Management Plan

Expression Of Interest Are Invited For Consultancy For Development Of A Strategic Flood Risk Assessment And Management Plan For The Secondary Cities Of Sierra Leone (Namely Makeni, Kenema, Bo, Koidu, Waterloo And Port Loko) The Pfmu Now Invites Eligible Consultant To Indicate Their Interest In Providing The Above Mentioned Package Of Service. The Consulting Firm/Organization Should Be Able To Demonstrate The Following Qualifications, Skills And Competencies At The Organizational Level. The Consultant Should Be An International Firm Or Consortium, Ideally With A Local Presence In Sierra Leone And At Least 15 Years Of Experience In The Technical Disciplines Required For This Assignment. The Consultant Will Need To Demonstrate That They Have Implemented At Least Three Similar Flood Risk Analysis And Show An Understanding And Development Of Flood Modelling And Risk Assessment Over The Past Ten Years. The Consultant Should Compose A Multi-Disciplinary Team Of Technical Experts, Which Might Include But Not Be Limited To Drainage, Hydrology, Flood Risk Analysis, Economics, Social Science, Transport, Urban Planning, Environmental Management, Sanitation, Community Development, And Stakeholder Engagement. It Is Expected That The Following Key Consultant Resources Will Be Required, Each With Strong Analytical And Communication Skills. The Consultant May However Propose Additional Resources And A Different Resource Mix With Its Rationale; For Example, The Positions May Be Filled By Separate Resources Or Be Combined And Performed By A Smaller Number Of Resources. The Consultant Is Also Encouraged To Partner With A Local Firm Or Other Entity To Assist With Logistics And Facilitate Engagement At The District Or Sub-District Level. Scope Of Work: In Achieving The Above Objectives, It Is Expected That The Consultants Will Carry Out The Following: Collection Of Existing Data And Reports, And Creation Of Necessary New Data For The Aoi. Detailed Mapping Of Each City With A Resolution Of At Least 10Cm Resolution Using Drone Technology Or Through Purchase Of Satellite Derived Data, And The Creation Of A Digital Elevation Model With A Horizontal Resolution Of 1M And A Vertical Accuracy And Quality Suitable For The Purpose Of Flood Hazard Mapping And Risk Assessment As Defined Within This Tor. Carry Out A Hydrological Assessment For The Study Areas Based On Available Local Or Regional Hydro-Met Data In Order To Develop Suitable Model Inputs Of Rainfall And Flow, Using Appropriate Loss And Run-Off Parameters Or Functions For The Various Types Of Run-Off Catchment Areas (I.E. Both Urban And Surrounding Rural Drainage Basins). Develop An Understanding Of Flood Dynamics Within The Cities, And Produce Flood Hazard Mapping And Data For A Range Of Return Periods (Nominally 2Yr, 5Yr, 10Yr, 25Yr, 50Yr And 100Yr). Preparation Of An Inventory Of All Exposure Features At An Individual Building Resolution Within The Flood Prone Areas, And Determination Of Associated Vulnerability (Quantified Where Reasonably Possible). Assessment Of Flood Risk For Each Of The Secondary Cities. The Risk Assessment Should Include Validation Against A Review Of All Available Historic Data And Recorded Flooding Events, And Will Include A Range Of Combined Climate Change And Urban Growth Scenarios. Based On The Comprehensive Urban Flood Risk Assessment, Develop Scientifically Sound Strategies To Include The Full Range Of Feasible Hard And Soft (Including Nature-Based) Options For Flood Risk Mitigation For The Area Of Interest From Local Community To City-Wide Levels. Complete A Preliminary Cost-Benefit Analysis To Define Different Investment Scenarios For The Area Of Interest To Allow An Initial Comparison And Potential Risk Reduction Interventions And Their Feasibility. Completion Of Strategic Flood Risk Management Plans For Each Of The Six Cities, Identifying A Prioritized And Costed Shortlist Of Potential Risk Reduction Options, Based On The Risk Assessment And Solutions Analysis. 10.Uild Capacity Within Local Government Agencies And Others Through A Fully Inclusive Process Throughout The Data Gathering And Review, Technical Analysis And Product Delivery, Including The Creation Of A Modelling And Data Legacy That Ensures Ongoing Sustainable Development.