ENVOSTRUCTSNIGERIA LIMITED RC: 694337Engineering Excellence

Multi-disciplinary geotechnical, structural, civil construction, and project management powerhouse — delivering precision engineering across Nigeria since 2008. Accredited partner to LASBCA (CAP).

Soilless Farm Lab Hostel — ₦850 Million

20+
Years Experience
100+
Projects Completed
₦500B+
Project Value
0+

Years of Experience

0+

Projects Completed

0+

Staff Strength

0B+

Project Value (₦)

01

Quality

Uncompromising engineering standards across every project, from percussion borehole soil investigation to final structural handover.

02

Precision

Meticulous Eurocode and British Standard design and documentation ensuring every foundation and superstructure meets exact specifications.

03

Integrity

Transparent FIDIC-aligned processes, LASBCA-CAP statutory compliance, and an unwavering commitment to public safety.

About Envostructs

We are a multi-disciplinary design consultancy, construction, and project management powerhouse—delivering world-class engineering solutions across Nigeria.

Official Lagos State Statutory Accreditation • Isolo / Okota District

LASBCA Certified Accreditors Program (CAP / CAPS) Partner

Envostructs works closely with the Lagos State Building Control Agency (LASBCA) under the Certified Accreditors Program (CAP). Operating from our Isolo/Okota district base, this specialized government initiative authorizes our COREN-certified engineers to monitor, inspect, and conduct Non-Destructive Testing (NDT) structural stability appraisals on abandoned, uncompleted, and distressed buildings across Lagos State.

Our Mission

To be recognized as a pre-eminent African Design/Construction Consultant and Contractors brand, providing superior geotechnical, structural, and civil solutions within our niche markets.

Our Objectives

To create a satisfactory customer base by offering enduring engineering value, structural safety, and cost certainty to clients, staff, the environment, and investors.

Our Experience

Incorporated under CAC (RC: 694337) with over 20+ years of industry leadership and 100+ completed projects across federal/state institutions, commercial banks, and private developments.

Company Statistics

Share Capital
0M ₦
Staff Strength
0+ Professionals
Bank Projects
0+ Completed
Government Projects
0+ Completed
Commercial Projects
0+ Completed
Individual Projects
0+ Completed

Multi-Disciplinary Composition

100+ COREN, NIA, NIQS & NITP certified specialists across 7 integrated departments:

  • Civil & Structural Engineers
  • Geotechnical & Piling Specialists
  • Registered Architects
  • Mechanical & Piping Engineers
  • Electrical & Power Engineers
  • Quantity Surveyors & Cost Estimators
  • Town & Regional Planners
  • NDT & LASBCA-CAP Auditors
Download 2025 Profile (PDF)

Core Engineering Divisions

Three integrated engineering divisions delivering full-lifecycle subsoil investigation, structural design, LASBCA-CAP compliance, and heavy civil construction.

Geotechnical & Piling Engineering
Division 01
40+
ESN Subsoil Reports
900mm
Max Bored Pile Ø
Subsoil Investigation, Laboratory Soil Mechanics & Deep Pile Foundations

Geotechnical & Piling Engineering

We execute comprehensive geotechnical investigations (percussion boreholes, SPT, 20-Ton Dutch CPT, laboratory triaxial/consolidation testing) and install high-capacity bored, driven, and micropile foundations engineered for Nigeria's complex coastal, swamp, and inland formations.

Percussion Borehole Drilling & Standard Penetration Testing (SPT)
20-Ton Dutch Cone Penetrometer Testing (CPT) & Piezometer Monitoring
Atterberg Limits, Triaxial Shear, Oedometer Consolidation & CBR Lab Analysis
Bored, Driven & Micropile Foundation Installation & Pile Load/Integrity Testing
Certified Geotechnical Engineering Reports (ESN/SI Series) to BS 5930 & Eurocode 7
Full Technical Specifications

Geotechnical Services

Comprehensive soil investigation and foundation analysis

  • Feasibility Studies
  • Site Investigations (Boreholes & CPT)
  • Laboratory Soil & Material Testing
  • Geotechnical Engineering Analysis
  • Bored & Micropile Foundation Construction

Design & Documentation

Complete architectural and engineering design solutions

  • Project Programming
  • Architectural Designs
  • Civil & Structural Engineering Drawings
  • Tender Documentation & BOQ
  • Project Control Manual

Construction Works

Full-scale construction and infrastructure development

  • Multi-Storey Buildings Construction
  • Road Works & Asphaltic Resurfacing
  • Marine Jetties & Box Culverts
  • Storm-Water Drainage Systems
  • Rigid & Flexible Concrete Pavements

Project Management & LASBCA-CAP

End-to-end project coordination & statutory structural audits

  • LASBCA-CAP Building Control Audits
  • NDT Structural Stability Appraisals
  • Budgeting & Progress Monitoring
  • Contract Documentation & FIDIC Liaison
  • Tender Evaluation & QA/QC Supervision

Highway & Airfield Design

Transportation infrastructure and aviation pavement solutions

  • Bridge & Flyover Substructure Design
  • Dual Carriageway Road Networks
  • Airport Runway Resurfacing (FAAN)
  • Traffic Control & Corridor Systems
  • Mass Transit Infrastructure

Water & Environmental

Water resources and environmental engineering

  • Water Supply & Borehole Reticulation
  • Sewerage & Effluent Systems
  • Water Treatment Plants
  • Hydrological & Drainage Design
  • Environmental Impact Assessment (EIA)
Global Standards · Local Mastery

Engineered for Multinational EPCs, Government Agencies & Global Investors

Whether you are procuring a COREN-certified consultant for major Nigerian infrastructure, verifying structural stability under LASBCA-CAP, or developing property in Nigeria from abroad, Envostructs delivers bankable British and Eurocode engineering.

For Multinational EPCs, Banks & Government Agencies

Your Local Content, Consultancy & Execution Partner in Nigeria

We serve as the trusted multidisciplinary engineering consultant, geotechnical investigator, and resident construction supervisor for state ministries, federal aviation authorities (FAAN), World Bank projects, commercial banks, and industrial free zones.

  • Proven delivery on ₦12.59B highway dualizations, Lekki Free Zone industrial roads, and FAAN international airport runway resurfacing
  • Accredited partner with Lagos State Building Control Agency (LASBCA) under the Certified Accreditors Program (CAP) at Isolo/Okota District
  • Bankable, audit-ready geotechnical reports, structural drawings, and Bills of Quantities (BOQs) stamped by COREN-registered directors
  • Strict HSE (Health, Safety & Environment) protocols with a Zero-Incident track record across 100+ completed projects
For Diaspora & Overseas Property Developers

Build Safely in Nigeria from Abroad with Zero Compromise

Managing residential duplexes, commercial complexes, or hospitality developments in Nigeria from the UK, USA, Canada, Europe, or the UAE requires absolute accountability. We eliminate the risk of building collapse and contractor opacity.

  • Live video site walkthroughs and GPS-stamped engineering milestone logs at every phase of construction
  • Independent LASBCA-CAP structural stability & Non-Destructive Testing (NDT) appraisals before you purchase or remodel property
  • Direct WhatsApp, Zoom & Teams consultations with our Managing Consultant (Engr. S.I.A. Edidi, COREN R6610) aligned with your timezone
  • Phased milestone billing tied strictly to verified engineering certificates and quality control cube/soil tests
Technical Dossier & Deliverable Preview39 Pages · RC 694337 · COREN R6610 · BS / Eurocode

Inspect Our Official Engineering Profile & Executed Project Register

Flip through our COREN-certified corporate dossier right in your browser — featuring our multidisciplinary board CVs, geotechnical borehole & piling registers (ESN series), and highway/structural engineering credentials.

Download PDF
EPC Vendor Registration & Tender Compliance Vault

Pre-Qualified for Government, Multilateral, Banking & Industrial Procurement

Company Profile (PDF)
CAC Incorporation No.Verified & Active

RC: 694337

Corporate Affairs Commission, Federal Republic of Nigeria (Incorporated June 2008 · ₦1M Fully Paid Share Capital)

COREN & Professional SealCurrent Year Valid

COREN R6610 · NSE 07462

Council for the Regulation of Engineering in Nigeria, NICE, NIA/ARCON & ICAN Chartered Leadership

LASBCA Building ControlGovernment Partner

LASBCA-CAP Accredited

Certified Accreditors Program (CAP) Partner — Monitoring & Structural Stability Assessment (Isolo / Okota District)

Statutory & Multilateral StandingAudit-Ready

FIRS TIN · World Bank · FAAN

Pre-qualified track record on World Bank urban infrastructure, FAAN aviation works, and State Ministry tenders

Corporate Bankers & AuditorsBankable

FCMB Plc · Chartered Auditors

Audited by Ayinde Babatunde & Co. (Chartered Accountants); Legal Advisors: Barr. Samuel Etaifo Esq.

HSE & QA/QC ManagementZero-LTI Record

ISO 9001 & ISO 45001 Aligned

Dedicated Project Evaluation & Assessment Committee with dual-director peer review and Zero-LTI safety record

International Codes & Regulatory Standards We Operate By

Seamless technical integration with foreign consultants, multilateral agencies, and Nigerian regulatory authorities

BS 5930 & BS 8004

British Geotechnical Codes

Code of practice for ground investigations (BS 5930), laboratory soil testing (BS 1377), and deep/shallow foundations (BS 8004).

Eurocode 2, 3 & 7

Structural & Foundation Codes

EN 1992 (Concrete Structures), EN 1993 (Steel Structures) & EN 1997 (Geotechnical Design) applied across all substructure and superstructure calculations.

ICAO, FMW&H & World Bank

Highway & Aviation Standards

ICAO airfield tarmac specifications (FAAN), Federal Ministry of Works highway dualization codes, and World Bank procurement & QA/QC protocols.

COREN & LASBCA-CAP

Statutory Nigerian Compliance

Full licensing by COREN (R6610), NSE (07462), and accredited partner under the Lagos State Building Control Agency Certified Accreditors Program (CAP).

Zero-Incident Safety Culture

Mandatory PPE, daily toolbox briefings & airside/highway hazard audits on all sites

LASBCA-CAP & ISO QA/QC

Calibrated testing, laboratory cube/soil verification & multi-disciplinary board review

Digital Transparency

GPS-tagged field progress logs & remote live video walkthroughs for overseas clients

Bankable Deliverables

Accepted by commercial banks, World Bank PIUs, LASBCA, FAAN & institutional investors

Instant Soil, Structural & Construction Scope Estimator (BOQ Builder)

Planning a building, road, or LASBCA structural appraisal in Nigeria? Select your site terrain, structure type, and land scale below to generate your recommended BS / Eurocode engineering scope in seconds.

Configure Your Project Parameters

Calibrated to Nigerian geological zones, LASBCA-CAP & British/Eurocode standards

Subsurface Profile: Deep compressible marine clays, organic peat & reclaimed hydraulic sand fill; competent dense sand typically at 16m – 32m. High water table (0.3m – 1.5m). Deep percussion boring with U100 sampling & 20T CPT strongly recommended alongside raft or bored pile foundations.

4. Optional Multi-Disciplinary Add-Ons

Recommended Technical BOQ

BS / Eurocode Engineering Scope

COREN R6610

2

Boreholes (SPT)

30m

Target Depth

5

CPT Soundings

Testing & Verification Suite

Moisture Content, Atterberg Limits, Particle Size (Sieve), Quick Undrained Triaxial (UU) & Oedometer Consolidation (BS 1377)

Anticipated Foundation & Structural System

Isolated Pad / Strip or Reinforced Raft Foundation + RC Framed Superstructure (BS 8110 / Eurocode 2)

Mobilization

24 – 48 Hours Nationwide

Investigation Window

5 – 10 Working Days

Applicable International & Statutory Codes

BS 5930 / BS 1377BS 8110 / Eurocode 2COREN R6610BS 8004 (Deep Piles)

20+ Years of Engineering Excellence

From foundational civil engineering works to a COREN-certified multidisciplinary powerhouse trusted by state governments, FAAN, commercial banks, and LASBCA — our story in milestones.

Company Founded & CAC Incorporation

Envostructs Nigeria Limited established in Lagos in June 2008 (CAC RC: 694337), led by Managing Consultant Engr. S.I.A. Edidi (MSc UNILAG, COREN R6610) with a mission to deliver pre-eminent African design, geotechnical, and construction excellence.

2008

World Bank & Institutional Infrastructure

Executed quality control, geotechnical, and safety supervision on the World Bank-funded Mile 12 – Ikorodu Road project and multi-site borehole/subsoil campaigns across Ikoyi, Lekki, and Ikorodu.

2012

FAAN International Airport Runway & Banking Programme

Completed tarmac runway resurfacing at Murtala Muhammed International Airport (MMIA) for FAAN and structural engineering programmes for commercial bank branches across Nigeria.

2016

National Arts Theatre Multi-Car Parks

Designed and supervised multi-storey car parks (500+ vehicles) and arterial access roads at the iconic National Arts Theatre, Iganmu, Lagos.

2018

Lekki Free Zone Industrial Road Corridors

Delivered heavy-duty pavement design and construction for Roads N5 & E6A (₦464M) within the 16,000-hectare Lekki Free Trade Zone for LFZDC.

2019

Soilless Farm Lab 12-Block Hostel & NASFAT Complex

Completed the ₦850M 12-block agricultural research hostel at Awowo, Abeokuta, alongside bored pile foundations and construction of the NASFAT Central Mosque at Isolo.

2022

₦12.59B Emuren–Ipele Road Dualization & Continent Hotel

Commenced resident engineering consultancy on the 14.85 km Emuren–Ipele Road Dualization in Ondo State (₦12.59B) and completed the full remodelling of Continent Hotel Akure (₦1.2B).

2024

The New Onilegbale Palace & LASBCA-CAP Partnership

Handed over The New Onilegbale Palace in Isale Eko, Lagos Island (₦1.5B) and partnered with the Lagos State Building Control Agency (LASBCA) under the Certified Accreditors Program (CAP) at Isolo/Okota District.

2025
Proven Field Track Record

Selected Engineering Case Studies

Over 100+ geotechnical investigations, piling works, highways, and structural building contracts worth ₦500B+ delivered across Nigeria since 2008.

Nigeria Geological Zones

Regional Field Execution Footprint

Select a region below to inspect our local subsoil experience, foundation engineering methodology, and representative contracts across Nigeria's geological belts.

Active Zone

Lagos Island & Coastal Zone

35+ Subsoil Investigations, Bored Piling & Coastal Road Works Executed
Key Cities & Operational Corridors

Lekki Free Zone • Ikoyi • Victoria Island • Ajah • Apapa

Typical Subsoil Formation

Deep marine clay, organic fibrous peat, and loose fine-to-medium sand aquifers requiring deep bored piling and sand-compaction consolidation.

Engineered Foundation Systems

Bored & Driven Piles (450mm–900mm Ø) • Raft Foundations • Jetty Works

Representative Regional Commissions
Lekki Free Zone Roads N5 & E6A Construction (₦464M)
The New Onilegbale Palace, Lagos Island (Architectural & Structural Design)
Residential Bored Pile Foundation at Lekki Phase I (Prince Tunde Ponle)
Ikoyi Crescent & Gerrard Road Multi-Storey Subsoil Investigations (ESN/SI)
Igbologun Community Jetty & Shoreline Works, Apapa Lagos
Emuren–Ipele Road Dualization
InfrastructureCompleted
₦12.59 Billion
Ondo State

Emuren–Ipele Road Dualization

Full-scale highway engineering and dualization of the Emuren–Ipele arterial corridor, incorporating geometric realignment, stone-base stabilization, asphaltic concrete wearing courses, and reinforced concrete drainage/culvert networks.

Client:State Ministry of Works & Infrastructure
Standard:FMWH General Specs (Roads & Bridges) / BS 8110
Dual Carriageway₦12.59 Billion
Inspect Scope →
Soilless Farm Lab Hostel (12 Blocks)
BuildingsCompleted
₦850 Million
Awowo, Abeokuta, Ogun State

Soilless Farm Lab Hostel (12 Blocks)

Turnkey design and construction of a 12-block student residential hostel complex at Awowo Village, Abeokuta, engineered for sustainable ventilation, structural durability, and rapid modular program delivery.

Client:Soilless Farm Laboratory
Standard:Eurocode 2 / BS 8110 & National Building Code
12 Hostel Blocks₦850 Million
Inspect Scope →
Lekki Free Zone Roads (N5 & E6A)
InfrastructureCompleted
₦464 Million
Lekki Free Trade Zone, Lagos

Lekki Free Zone Roads (N5 & E6A)

Engineering design and heavy civil construction of industrial corridor Roads N5 and E6A within the Lekki Free Trade Zone, engineered to withstand heavy container and haulage axle loads over coastal subgrades.

Client:Lekki Free Zone Development Company (LFZDC)
Standard:FMWH Highway Manual / BS 1377 Soil Mechanics
Industrial Roads₦464 Million
Inspect Scope →
Detached Luxury Duplex Units (4 Nos.)
ResidentialOngoing
₦300 Million
Ogudu GRA, Lagos State

Detached Luxury Duplex Units (4 Nos.)

Complete structural engineering, foundation works, and turnkey building construction of 4 luxury detached four-bedroom duplexes in Ogudu GRA, Lagos, featuring contemporary cantilevers and high-grade finishes.

Client:Private Residential Estate Developer
Standard:BS 8110 / Eurocode 2 & LASBCA Statutory Code
4 Detached Duplexes₦300 Million
Inspect Scope →
The New Onilegbale Palace
BuildingsCompleted
Landmark Cultural & Civic Edifice
Lagos Island, Lagos State

The New Onilegbale Palace

Comprehensive architectural and structural engineering design for The New Onilegbale Palace on Lagos Island — blending royal Yoruba cultural heritage aesthetics with multi-storey coastal foundation engineering.

Client:Onilegbale Chieftaincy Family / Lagos Island
Standard:Eurocode 2 (EN 1992) & BS 8004 Deep Foundations
Lagos IslandCultural Landmark
Inspect Scope →
Continent Hotel Remodelling
HospitalityCompleted
Major Hospitality Upgrade
Akure, Ondo State

Continent Hotel Remodelling

Structural integrity appraisal, architectural remodelling, and engineering upgrade of Continent Hotel in Akure — transforming an existing structure into a modern luxury hospitality destination.

Client:Continent Hotels Limited
Standard:BS 8110 / BS EN 12504 NDT Assessment
HospitalityStructural Remodelling
Inspect Scope →
National Theatre Multi-Level Car Parks (4 Nos.)
BuildingsCompleted
₦350 Million
Iganmu, Lagos State

National Theatre Multi-Level Car Parks (4 Nos.)

Specialist structural and geotechnical consultancy for 4 multi-level reinforced concrete car park structures at the National Arts Theatre complex in Iganmu, Lagos, founded on deep swamp/estuarine subsoils.

Client:Federal / Central Bank Intervention Project
Standard:Eurocode 2 & BS 8004 Pile Foundations
Multi-Storey Car Parks₦350 Million
Inspect Scope →
MMIA Airport Runway 18L/36R Resurfacing
InfrastructureCompleted
₦285 Million
Ikeja, Lagos State

MMIA Airport Runway 18L/36R Resurfacing

Critical airfield pavement engineering and asphaltic concrete resurfacing of Domestic Runway 18L/36R at Murtala Muhammed International Airport (MMIA), Ikeja, executed under strict aviation safety windows.

Client:Federal Airports Authority of Nigeria (FAAN)
Standard:ICAO Annex 14 / FAAN Airfield Pavement Specs
Airport Runway₦285 Million
Inspect Scope →
NASFAT Central Mosque & Bored Piling
GeotechnicalCompleted
₦120 Million
Ikeja & Mowe, Lagos/Ogun

NASFAT Central Mosque & Bored Piling

Geotechnical investigation, bored pile foundation construction, and structural engineering consultancy for the NASFAT Central Mosque complex — engineered for high crowd live loads and long-span prayer halls.

Client:NASFAT Society of Nigeria
Standard:BS 8004 / BS 8110 Structural Use of Concrete
Bored Piling₦120 Million
Inspect Scope →
Our Technical Arsenal

Field Plant, NDT Apparatus & Design Suite

39+ specialized field rigs, non-destructive structural testing instruments, and engineering design workstations — ensuring precision from subsoil investigation to highway and high-rise commissioning.

Dutch Cone Penetrometer (2.5T & 10T/20T CPT)
×3
Geotechnical

Dutch Cone Penetrometer (2.5T & 10T/20T CPT)

Continuous cone tip resistance (qc) and sleeve friction sounding for deep bearing capacity profiling.

Percussion & Rotary Borehole Rigs
×4
Drilling & Sampling

Percussion & Rotary Borehole Rigs

Shell-and-auger percussion and rotary rigs for 30m+ borehole drilling, SPT N-values, and U100 sampling.

Bored, Caisson & Micropile Plant
×3
Piling Works

Bored, Caisson & Micropile Plant

Specialized piling plant for 250mm–600mm cast-in-situ bored piles, caissons, and marine jetty foundations.

NDT Structural Appraisal Suite (LASBCA-CAP)
×4
NDT & Appraisal

NDT Structural Appraisal Suite (LASBCA-CAP)

Schmidt Rebound Hammers, Ultrasonic Pulse Velocity (UPV) testers, and Rebar Scanners for structural stability audits.

BS 1377 Soil & Materials Testing Lab Access
×2
Laboratory QA/QC

BS 1377 Soil & Materials Testing Lab Access

Triaxial compression, Oedometer consolidation, California Bearing Ratio (CBR), Proctor compaction & concrete cube crushing.

Highway Earthworks & Asphalt Compaction Plant
×6
Highway & Civil

Highway Earthworks & Asphalt Compaction Plant

Heavy-duty road graders, vibratory rollers, asphalt pavers, and concrete batching mixers for highway corridors.

Total Stations, Differential GPS & Optical Levels
×5
Survey & Geomatics

Total Stations, Differential GPS & Optical Levels

High-precision topographic survey, highway route alignment, and foundation grid setting-out instruments.

CAD, BIM & Structural Analysis Suite
×12
Design & BIM

CAD, BIM & Structural Analysis Suite

Workstations running AutoCAD, Orion/ProtaStructure, STAAD.Pro, Civil 3D, WaterCAD, and MS Project.

39+

Field & Design Units

8

Specialist Categories

LASBCA-CAP

NDT Audit Accredited

BS / Eurocode

Calibrated Standards

Leadership & Technical Board

Guided by COREN, NSE, NIA, NITP, and ICAN chartered principals with over four decades of field and academic excellence.

Engr. S.I.A. EdidiCOREN: R6610 • NSE: 07462

Engr. S.I.A. Edidi

Managing Consultant / Chief Executive Officer

Former Head of Department (Civil Engineering), Lagos State Polytechnic

40+ Years ExperienceUniversity of Lagos (MSc Civil Engineering)

A seasoned civil, structural, and geotechnical engineer with over four decades of distinguished academic leadership and field execution across Nigeria. Former Head of Department of Civil Engineering at Lagos State Polytechnic, Engr. Edidi leads Envostructs' technical board, overseeing ₦500B+ in complex deep foundations, trunk highways, airfield pavements, multi-storey structures, and LASBCA-CAP structural stability accreditations.

Principal Technical Specialties

Deep Pile Foundations & Coastal Geotechnics
Multi-Storey Structural Engineering (EC2 / BS 8110)
LASBCA-CAP Structural Stability & NDT Forensics
Highway, Bridge & Airfield Pavement Engineering
Engr. A.D. Onitilo

Engr. A.D. Onitilo

Executive Director, Engineering

Over 40+ years of senior civil and structural engineering experience directing major highway, water, and building construction works across Nigeria.

BSc Civil Engineering (UNILAG) • COREN Registered • MNSE
Arc. H.A. Quadri

Arc. H.A. Quadri

Senior Partner, Architecture

Over 22+ years of architectural design, urban master-planning, hospitality remodelling, and institutional building coordination.

BSc, MSc Architecture • NIA / ARCON Registered
Adeyemi Adebayo

Adeyemi Adebayo

Director, Planning & Research

Registered Town Planner with 20+ years experience leading the Project Evaluation Committee, environmental planning, and statutory development approvals.

HND Town & Regional Planning (Yabatech) • MNITP • RTP
Ms. R.T. Fatoki

Ms. R.T. Fatoki

Director, Admin & Finance

Directs corporate governance, project cost accounting, banking treasury liaison, and statutory audit compliance across all contracts.

HND Accountancy • ICAN Associate

Technical Briefs & Field Advisories

Practical structural stability, geotechnical, and highway engineering guidance authored by our COREN-licensed directors for government agencies, corporate developers, and diaspora property investors.

LASBCA-CAP · Structural Appraisal4 Min Technical Read

LASBCA Certified Accreditors Program (CAP): How NDT Structural Audits Prevent Building Collapse in Lagos

Why the Lagos State Building Control Agency (LASBCA) partnered with accredited engineering firms like Envostructs to monitor abandoned, uncompleted, and distressed structures across Isolo, Okota, and Lagos State.

Key Engineering Takeaways

  • Visual inspection alone cannot identify honeycombed concrete cores, sub-standard 12 MPa concrete mixes, or corroded reinforcement in long-abandoned carcasses.
  • Under the LASBCA Certified Accreditors Program (CAP), combined Ultrasonic Pulse Velocity (UPV), Schmidt Hammer Rebound, and Ferroscan rebar mapping establish true in-situ structural capacity.
SE

Engr. S.I.A. Edidi (MSc, MNSE, COREN R6610)

LASBCA-CAP · BS EN 12504 · Eurocode 2

Geotechnics & Piling · BS 5930 / BS 80045 Min Technical Read

Subsoil Investigation & Deep Foundation Design in Coastal Lagos (Lekki Free Zone, Ikoyi & Lagos Island)

Why coastal and island developments require combined percussion boreholes, SPT blow counts, BS 1377 consolidation testing, and bored/caisson/micropile foundations to prevent differential settlement.

Key Engineering Takeaways

  • Reclaimed sand fill in Lekki, Ikoyi, and Lagos Island frequently overlies compressible fibrous peat and soft marine clay layers between 4m and 24m depth.
  • Combining 10T/20T CPT soundings with deep percussion boreholes (U100 undisturbed sampling) enables accurate Terzaghi/Meyerhof bearing capacity and oedometer settlement calculations.
SE

Engr. S.I.A. Edidi (MSc, MNSE, COREN R6610)

BS 5930:2015 · BS 1377 · BS 8004 · Eurocode 7

Highways & Aviation · FMW&H / ICAO4 Min Technical Read

Heavy-Duty Highway & Airfield Pavement Engineering: Lessons from ₦12.59B Dualizations & FAAN Runways

Key engineering controls for long-life arterial dual carriageways, industrial free-zone corridors, and international airport tarmac resurfacing in tropical Nigerian climates.

Key Engineering Takeaways

  • Premature road failure in Nigeria is primarily driven by inadequate subgrade drainage, unverified California Bearing Ratio (CBR) values, and poor asphalt compaction temperatures.
  • Heavy industrial corridors (such as Lekki Free Zone Roads N5 & E6A) and 14.85 km arterial dualizations (Emuren–Ipele Road) demand strict resident engineering QA/QC at every earthwork and base-course lift.
AO

Engr. A.D. Onitilo (BSc UNILAG, MNSE, COREN)

FMW&H Highway Manual · ICAO Annex 14 · BS 594987

Clients view about envostructs

Testimonials from satisfied clients

“

“Envostructs exceeded our expectations in every aspect of the Continent Hotels project. Their engineering excellence and project management were remarkable.”

Prof Wasiu Babalola

Prof Wasiu Babalola

Managing Director, Continent Hotels

“

“The team demonstrated exceptional understanding of our unique requirements. The sustainable construction practices across our 12-block hostel complex were particularly impressive.”

Farmer Samsom Ogbole

Farmer Samsom Ogbole

Director, Soilless Farm Laboratory

“

“Their comprehensive approach to geotechnical accuracy, environmental impact assessment, and statutory compliance sets them apart. Highly professional engineering firm.”

Engr. Funmi Adebisi

Engr. Funmi Adebisi

Lagos State Ministry of Works

Lagos State GovernmentLASBCA Certified Accreditors Program (CAP)Federal Airports Authority of Nigeria (FAAN)Lekki Free Zone Development Co.Continent HotelsSoilless Farm LaboratoryNASFAT Society of NigeriaZenith Bank PLCAccess / Diamond BankLagos State Polytechnic (LASUSTECH)World Bank Assisted ProjectsLagos State GovernmentLASBCA Certified Accreditors Program (CAP)Federal Airports Authority of Nigeria (FAAN)Lekki Free Zone Development Co.Continent HotelsSoilless Farm LaboratoryNASFAT Society of NigeriaZenith Bank PLCAccess / Diamond BankLagos State Polytechnic (LASUSTECH)World Bank Assisted Projects

Common Questions Answered

Key technical and commercial information for government procurement teams, corporate developers, diaspora investors, and private property owners.

Still have questions?

Direct Engineering Desk (WAT / UTC+1)

Ask on WhatsAppCall: +234 803 477 0098

Envostructs Nigeria Limited is an accredited engineering partner with the Lagos State Building Control Agency (LASBCA) under the Certified Accreditors Program (CAP), operating from our Isolo/Okota district base. We monitor stage-by-stage construction compliance and conduct non-destructive structural stability assessments (NDT) on abandoned, uncompleted, or distressed buildings to prevent collapse and ensure public safety.

Yes. We have delivered over 20 government infrastructure projects and 15+ commercial bank branch projects. Our portfolio includes World Bank-funded road supervision (Mile 12–Ikorodu), FAAN international airport runway resurfacing (MMIA Lagos), the ₦12.59B Emuren–Ipele Road Dualization in Ondo State, and Lekki Free Zone internal roads.

We provide complete remote transparency and single-point engineering accountability. Every phase — from subsoil investigation and foundation piling to structural frame casting and finishing — is documented with GPS-stamped photo/video logs, laboratory concrete cube/soil test certificates, and live Zoom/Teams walkthroughs aligned with your timezone.

A standard residential or commercial plot investigation takes 2–5 working days on-site for percussion borehole drilling and Dutch Cone Penetrometer (CPT) soundings, followed by BS 1377 laboratory analysis and delivery of a COREN-sealed engineering report within 7–14 working days.

Yes. Our 100+ multidisciplinary staff strength comprises COREN-licensed Civil/Structural Engineers, Mechanical & Electrical (MEP) Engineers, NIA/ARCON Registered Architects, Town Planners, and Quantity Surveyors. We execute design-only consultancy, resident supervision, or turnkey design-and-build construction.

Absolutely. While our head office is in Lagos, we mobilize nationwide and have completed flagship projects in Ogun State (Abeokuta, Arepo, Imeko), Ondo State (Owo, Ipele, Akure), Benue State (Makurdi), Oyo State, Edo State, Enugu State, Rivers State, and Abuja (FCT).

Depending on the subsoil stratigraphy and structural loads, we design and construct isolated pad/strip foundations, reinforced concrete cellular raft foundations, bored cast-in-place piles, caisson piles, and 250mm+ micropiles (as deployed on NASFAT Isolo, Ifako-Gbagada, and Surulere projects).

Yes. Using Non-Destructive Testing (Schmidt Rebound Hammer, Ultrasonic Pulse Velocity, and Rebar Ferroscan) alongside foundation exposure pits, our engineers evaluate the actual concrete strength and structural stability of existing buildings or unfinished carcasses before you invest or remodel.

Request a Technical Proposal or Site Mobilization

Whether you are a multinational EPC contractor, a diaspora developer, a government agency, or a property owner seeking a LASBCA-CAP structural stability audit, our COREN-certified engineers respond within 24 hours.

Head Office & Geotechnical Lab

Head Office Address

51, Akanro Street, Off Apapa-Oshodi Express Road, by Ilasa Bustop, P.O. Box 2890 Yaba, Lagos, Nigeria

LASBCA-CAP Operational District

Isolo / Okota District Office — Certified Accreditors Program (CAP) Structural Stability Monitoring

Direct Engineering Hotlines

+234 803 477 0098 +234 812 774 4990 +234 712 017 5574

Official Tender & Inquiry Emails

[email protected] [email protected]

Working Hours (WAT / UTC+1)

Monday – Friday: 8:00 AM – 6:00 PM Saturday (Site & Lab Operations): 9:00 AM – 4:00 PM

RC: 694337 • COREN R6610

Request a Technical Consultation

Submit your project parameters or pre-filled BOQ scope below

All submissions are routed directly to [email protected]. Have drawings or BOQs to attach? Email them directly to [email protected].

ENVOSTRUCTS

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