Greater Port Harcourt : Storm Water Master Planning
GIBB is involved in the development of the Integrated Development Plan for Greater Port Harcourt, Nigeria. The process entails the development of a master plan for the upgrading of storm water facilities for the existing city and the planning and design of storm water facilities for the new city.
The study includes the following aspects
- Hydrological analysis
- Hydraulics analysis
- Water quality analysis
- Environmental management
- Storm water management
Key Features
- Present and future developments and their effects on storm water run-off volumes and peak flow rates
- Analysis of rainfall data and compilation of the IDF curves for Port Harcourt
- Determination of flood flow volumes at specific locations around the Port Harcourt catchment
- Establish drainage system design criteria
- Classification of the existing drainage system components
- Hydrologic and hydraulic analysis of existing storm water drainage systems
- Preliminary design and layout of storm water structure and extensions to the storm water drainage system
- Compilation of phased remedial works programmes
- Floodline determination for natural watercourses
- Preliminary design of storm water structure for the new city