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Yaba, LagosIndependent consulting engineers since 2004+234 800 000 0591
CorvaneEngineering
Corvane EngineeringPage B1Yaba, Lagos

Section B

Our services

Six disciplines under one roof, so your structure, drainage, power and plumbing are designed by people who sit at the same table.

Page B2

Structural engineering

Frames, foundations and slabs for buildings from three storey homes to fourteen storey towers, designed to the codes and checked by a second engineer before anything is issued.

  • Concept and scheme design, with options costed early
  • Detailed design of concrete, steel, timber and masonry structures
  • Foundation design from soil reports, including piles and rafts
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Page B3

Civil and transport

Roads, bridges, interchanges and estate infrastructure, from route studies and traffic counts to the last kerb and drain.

  • Feasibility and route option studies
  • Highway geometric and pavement design
  • Bridge and culvert design
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Page B4

Water and drainage

Clean water in and storm water out. We design treatment works, reservoirs, mains and the drainage that keeps Lagos streets passable in July.

  • Water treatment and pumping stations
  • Reservoirs, water towers and trunk mains
  • Storm drainage and flood modelling
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Page B5

MEP and building services

Mechanical, electrical and plumbing design that copes with Nigerian realities: grid outages, generator noise, borehole water and heat.

  • Power design with grid, generator, solar and battery
  • Air conditioning and ventilation
  • Plumbing, borehole and water treatment
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Page B6

Energy and power

Substations, solar plants, mini-grids and the civil works around them, for utilities, developers and large energy users.

  • Substation civil, structural and earthing design
  • Solar plant layout and structures
  • Mini-grid design and owner’s engineer services
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Page B7

Project and site management

Someone on your side from tender to handover: cost plans, contracts, site supervision, quality testing and honest monthly reports.

  • Tender documents and contractor selection
  • Cost plans and monthly valuations
  • Resident engineers and site supervision
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Fees in the open

What each service usually costs

Example rates. Fees are a share of construction value, with a minimum fee for small jobs. Add services to your brief and send them together.

Typical fees by service
ServiceTypical feeMinimumBrief
Structural engineering2.5% to 4% of construction value₦1,800,000
Civil and transport3% to 5% of construction value₦2,500,000
Water and drainage3% to 4.5% of construction value₦2,000,000
MEP and building services3% to 4.5% of construction value₦1,500,000
Energy and power2% to 4% of construction value₦2,200,000
Project and site management2% to 3% of construction value₦1,200,000

Example rates for this demo.

How every commission runs

  1. BriefA free first meeting and site visit within a week.
  2. Fee proposalScope, programme and fee in writing within five working days.
  3. DesignCalculations and drawings, each checked by a second engineer.
  4. ApprovalsWe prepare the engineering pack for planning and building control.
  5. SiteInspections, tests and sign-off, with photo reports you can share.
Two engineers in hard hats examining plans

One team, fewer clashes

When structure and services are designed by separate firms, ducts meet beams on site and someone pays for the fix. Our engineers share one coordinated model, and clashes are found on screen, not in the ceiling void.

For larger projects we name a lead engineer who is your single point of contact from brief to handover.

Questions from readers

Do you work outside Lagos?

Yes. We have offices in Yaba and Abuja and have worked in 27 states. Site visits outside Lagos are charged at cost.

Is the first meeting free?

Yes. The first meeting and site visit are free for projects in Lagos and Abuja.

Who signs the drawings?

A registered engineer signs every drawing and calculation we issue, and a second engineer checks it first.

Notice

Build your brief.

Add the services you need, estimate the fee, and a lead engineer will call you within two working days.