Project: CONSULTANCY FOR Feasibility Study and Associated Preliminary and Detailed Designs for Infrastructure in Secondary Cities and  the feasibility study of Upgrading of the Agatare Informal Settlement in Nyarugenge District

Name of client : Rwanda Ministry of Infrastructure

Consultancy for feasibility study and associated preliminary and detailed designs for infrastructure in secondary cities and the feasibility study of upgrading of the Agatare informal settlement in Nyarugenge District.

1. Feasibility Study and Associated Preliminary design Stage:

• The key objective of this assignment is to work with six selected secondary cities and the Ministry of Infrastructure in assessing their respective realistic and sustainable investment priorities in relation to urban services. These priorities will be framed within the form of two basic products: (a) Feasibility Study and (b) Preliminary Design.  These will then eventually lead to the development of the final Detailed Designs under another future assignment.
• The Consultants is guided by the fact, that the overall project objective is guided by Rwanda’s Urbanization and Rural Settlement Sector Strategic Plan 2013-18. The Sector Strategy promotes the development of secondary cities while creating a network of urban and urbanizing centers.  Additional overall urban development guiding principles to be followed in preparing this project are: (a) designs which will encourage densification of the cities, resulting in reduced urban infrastructure and services costs, (b) local economic development must also be taken into consideration in the dialogue with the cities as to investment options, and (c) the investment options must be ranked as well using social inclusive growth as a major criteria.

Detailed Designs stage:

Detailed design of identified project to be implemented on phase one project and detailed design of all project identified on feasibility study of Upgrading of Agatare informal settlement; Access roads, Footpaths and drainages.

Description of services provided by the company personnel :

• Feasibility Study and Associated Preliminary design Stage:

• Road task

Review all existing roads networks, and provide the following information and options / proposals:

• Provide a roads conditions survey inventory for each road in the officially designated urban area for each secondary city. Soil Sampling on Each road at least one core soil sample taken such that the composition of the roads are typically known, i.e. thickness of overlay, type of overlay, thickness and classification of the engineered sub-base and base materials, the underlying natural soils classification.  Also, details of the condition of the road surface, side drainage, traffic control lights, street lighting, and any other pertinent details which might be of interest such as known areas of road flooding, dangerous or difficult junctions, and any obvious environmental issues, etc. should be provided.  If there appears to be a change in the typology of any given road, disaggregate that road into its typical sections.  The outputs for this task was in the form of:  (i) a table detailing these cited requirements, (ii) a map locating the roads, and (iii) associated text explaining the roads conditions surveys in relation to the table and map.
• Roads which are the responsibility of the central government (national roads) was clearly identified but only a visual inspection of these is required to be reported on under the task outlined in (a) above.

• Working closely with the secondary cities officials and the Ministry of Infrastructure PMU, develop a long-term basic roads investment plan – to 2030. This task would result in the following outputs: (i) a tabular summary of the proposed roads requirements and associated costs for the secondary city, (ii) an associated map of the proposed interventions, and (iii) associated text which explains the rationale for the roads investment plan and the associated table and maps.
• Recognizing the results of tasks (c) and (d), and working closely with the secondary cities officials and the MININFRA PMU, taking into consideration the estimated project budgets for infrastructure investments, and understanding the relative priority set by the cities for roads investments, propose alternatives for roads investments for each of the six cities.
• Roads construction investments are established as a high priority for the use of project funds, due consideration must be documented to at least 20% of the project roads investment towards secondary, community roads and pathways. Also, no road will be designed and constructed under the financing of this project unless the road has associated side drainage and safe pedestrian access.
• Conduct the consultation to local authority and citizen for selection of phase one project implementation
• Traffic count survey for phase one roads counting the traffic volume flow, turning movement and traffic interview.
• Geotechnical investigation on construction materials and on phase one roads on each secondary cities for purpose of preliminary design.

Sanitation task

•  Review all existing information with respect to sanitation, and provide the following information and options / proposals:
  • Through the city officials, gather information on a community by community basis as to the estimated coverage of households with waterborne sanitation in their households and those with other forms of sanitation services such as household pit latrines or communal facilities, waterborne or non-waterborne and provide a map of the cities which shows the areas predominantly utilizing septic tanks and the other areas using latrines.
  • Undertake a brief survey of up to 100 randomly selected household latrines per city. Document and assess the design and construction quality of the septic tank itself and the respective absorption fields.
  • Drainage task
  • Review all existing drainage networks and provide the following information and options / proposals related to drainage:
  • Provide a map of the entire drainage network within the urban areas, with the dimensions of the drainage element shown by the thickness of the lines or the colors of the lines on the drawings. Locate on this same map areas which are well known by the communities and officials for being flooded.
  • Related to the above map, provide a summary table of the drainage elements, their lengths, dimensions, lined or unlined, and the condition of the drain.
  • Working closely with the secondary cities officials and the Ministry of Infrastructure PMU, develop a long-term basic drainage investment plan – to 2030. Costs would be estimated using unit cost assumptions, escalated for assumed inflation.  This task would result in the following outputs: (i) a tabular summary of the proposed drainage requirements and associated costs for the secondary city (both new drains and rehabilitation and expansion of existing drains), (ii) an associated map of the proposed interventions, and (iii) associated text which explains the rationale for the drainage investment plan and the associated table and maps.

Solid waste management task

•           Review all existing solid waste collection mechanisms in each town as well as the disposal sites, and provide the following information and options / proposals:
  • Provide a map of the entire city that demarcates the different areas of responsibility by the various community groups that provide the city-wide solid waste collection.  The map will also locate the existing “dump site(s)”.
  • With the map and additional data collected, estimate the total volume of solid waste generated per day and how much of that waste is currently collected and transported to the dump site(s).

  Provide an assessment of the current dump site: (i) how much land is presently available and designated specifically for solid waste at the dump site(s), (ii) is the land fenced off, (iii) is there formal or informal recycling being undertaken at the dump site, (iii) are there specifically designated areas within the dump site for hospital wastes and other dangerous.

  • wastes, and (iv) an estimate of how much SW (in m³) is in the dump site, this would be used to estimate how much it might cost to transfer this waste into a properly designed and constructed landfill using the same site.
  • Provide an assessment as to the technical and environmental advisability / viability of continuing with the disposal of the city’s solid waste at this location using the site as a dump site.
  • Provide an assessment of the alternative of converting the presently used dump site into a properly designed, constructed, and operated sanitary landfill.
  • Review the alternatives of other sites to be used as dump sites or sanitary landfills.
  • Review and assess the current solid waste collection modalities and compare other alternative modalities including opening the SW collection and disposal functions to the private sector.
  • Determine how much the households pay for the SW services.

  Provide details on the budget provided over the past five years for the management of the dumping site(s) and any other costs incurred in providing for the cleaning of the cities of solid waste, per city

   

Infrastructure in the Context of the Upgrading of Agatare, informal settlement in Nyarugenge District, Kigali

• • This site is located within the Central Business District and comprises an 80 hectare site and is home to 3,000 households. The upgrading of the site is to serve as a model for community based urban regeneration that can be scaled up to other parts of Kigali and to secondary towns.  Currently there are consultants working in Agatare on the upgrading requirements and alternatives.  The results of that consultancy wasl be used as a baseline for the Consultants (of this assignment) to proceed with in order to verify the investment package suited to the upgrading, given the financial resources available under this project investment.
  • Consultants discuss with the Kigali city officials their perceived demand for the upgrading of specific areas of their respective cities. The mix of needed infrastructure will similarly depend on the infrastructural and services deficiencies within Agatare.  The “mix” was determined based on the initial review of existing documentation on the issue of upgrading in Agatare, discussions with the city officials; discussions with the residents, and the funding package available.  The focus of the Feasibility Studies and Preliminary Designs will be based on these reviews and discussions.

  B.Detailed Designs stage: 

  The key objective of this assignment is to work with six selected secondary cities (Rubavu, Rusizi, Musanze, Muhanga, Huye, and Nyagatare) and city of Kigali (for upgrading Agatare informal settlement program in Nyarugenge district)  in addition to RTDA, LODA, World Bank and other stake holders and assists the Ministry of Infrastructure in assessing their respective realistic and sustainable investments in relation to urban services by finalization of design and drawings of each and every component of roads and cross drainages for Total of 26.6 km roads identified in Phase-1 for six secondary cities. While for Agatare informal settlement in Nyarugenge district  total of 20.7 km roads (including 14.13 km of footpaths / stepped footpaths only) were Identified in Phase-I. The Following activities have been carried out for phase –I selected roads, Footpaths and cross drains achieve the desired objective:

  • Detailed geotechnical investigation on roads and construction materials
  • Identification of Households affected with the original proposal in map for Footpaths, access roads and site verification mainly, followed by site verification;
  • Detailed topographical survey
  • Detailed vertical and horizontal alignment design on roads and footpaths
  • Inventory for the existing drains
  • Identifying flood prone areas
  • Identifying suitable drainage network to cater existing and future demand
  • Demarcation of catchment areas for each storm water drains in a drainage basin.
  • Deficiency analysis in view of hydraulics and physical structural appearance.
  • Detailed design of drain sizes
  • Assessment of Operation and Maintenance Cost
  • Assessment of material for Drain construction
  • Preparation of detailed design report based on primary survey and investigation data for the selected roads from Phase-1 (Feasibility stage) along with related components
  • Estimation civil costs and preparation of bidding (tender) documents as per standard World Bank Procurement norms.