Infrastructure Planning and Design

NGEJA has good experience in the planning, design and implementation of transportation projects. The Firm’s capability and experience extends to all stages of the project including:

  • Project identification survey
  • Feasibility and pre-investment studies
  • Strategic planning, including route and model choice studies
  • Economic, environmental and technical evaluations
  • Detailed technical reports and design drawings
  • Supervision of construction and maintenance
  • Operational investigations

Specific project programming, project management and related services are also an expertise of the team at NGEJA.

Based on years of experience, NGEJA offers comprehensive solutions in the development of road networks. We offer superior support across the pre-construction, construction and post-construction phases of the project.

Pre-construction:

The recommendations are categorized as:

  • Funding sources
  • Traffic studies
  • Environmental impact assessment
  • Feasibility studies
  • Economic evolution
  • Public enquiries
  • Preliminary design
  • Soil investigation
  • Pavement investigation
  • Comprehensive topographical survey
  • Public utilities co-ordination
  • Pavement design
  • Final engineering design
  • Working drawings
  • Contract documents
  • Tender documents
  • Tender assessment

Whenever necessary, these pre-contract services can be extended to include recommendations and proposals for detailed specifications, procedural rules, codes of practice and regulations covering:

  • Road geometry
  • Design criteria
  • Loading specification
  • Material specification
  • Safety standards
  • Standard construction specification
  • Procedural matters
  • Interaction with public authorities
  • Public enquiries
  • Compensation

Construction:

NGEJA has a reputation for tight control and supervision of contractor’s activities while ensuring quality, economy, safety and timely completion of projects. We work in close coordination with the client on cash-flow forecasts, programs and progress of the works. Wherever necessary, NGEJA will advice the contractor on appropriate effective construction methods and procedures to the mutual benefits of contractor and client.

NGEJA has a specialist Project Management Division that not only provides services to major infrastructure projects but also gives advice and support to all other critical projects.

Post-construction:

Our construction methodology is competent to administer and program maintenance activities both in the immediate post-construction period and subsequently. Advice management services and technical assistance are available for routine and periodic maintenance methods and procedures. Appropriate maintenance budgets and effective implementation are essential if the capital investments made previously on the provision of the road network are to yield full benefit to the client and road user. The crux of rehabilitation works is to build on the current integrity of the existing road construction and structures and to minimize the nature and extent of further new additional works consistent with standards to be achieved. NGEJA is adept at all of these.