EKECONSTRUCTNIGERIA
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Regional Geotechnical Soil Atlas & Foundation Zones

Soil Bearing Profiles & Foundation Engineering Zones.

Every building structure must be engineered for the ground it stands on. Explore our regional geotechnical soil profiles across Lagos, Abuja, Rivers, Enugu, and Anambra to see recommended foundation systems and allowable soil bearing capacities (kN/m²).

Abuja — Maitama, Guzape Hills & Katampe Extension
FCT Abuja32 Matched Blueprints

Abuja — Maitama, Guzape Hills & Katampe Extension

Allowable Bearing: Rock / Laterite (180–350 kN/m²)

Hillside and undulating granitic terrain requiring stepped RC foundations, rock anchoring, and cantilevered retaining walls.

Subsoil StratigraphyWeathered Basement Complex Rock & Firm Lateritic Clay
Recommended Foundation SystemReinforced Concrete Pad & Strip Footings + Stepped Retaining Walls
Soil & Build Quote
Lagos — Ikoyi, Victoria Island, Lekki & Eko Atlantic
Lagos State45 Matched Blueprints

Lagos — Ikoyi, Victoria Island, Lekki & Eko Atlantic

Allowable Bearing: Coastal Alluvial (60–110 kN/m²)

Coastal zone demanding sulphate-resistant marine concrete (C35/45), deep bored piling, and cellular raft foundations.

Subsoil StratigraphyMarine Sand, Silty Clay & High Water Table Subsoil
Recommended Foundation SystemReinforced Concrete Raft Foundation or Bored Friction/End-Bearing Piles (18m–32m)
Soil & Build Quote
Port Harcourt — New GRA, Peter Odili & Trans-Amadi Industrial
Rivers State24 Matched Blueprints

Port Harcourt — New GRA, Peter Odili & Trans-Amadi Industrial

Allowable Bearing: Deltaic Clay/Sand (85–140 kN/m²)

High-rainfall tropical zone engineered with elevated plinth levels (900mm+), deep storm drainage, and corrosion-protected steel.

Subsoil StratigraphyNiger Delta Silty Clay over Dense Sand Stratum
Recommended Foundation SystemWide Cellular RC Raft or Driven Precast Concrete Piles + Damp-Proof Tanking
Soil & Build Quote
Enugu — Independence Layout, Golf Estate & Centenary City
Enugu State21 Matched Blueprints

Enugu — Independence Layout, Golf Estate & Centenary City

Allowable Bearing: Firm Laterite/Shale (150–220 kN/m²)

Ideal bearing strata for multi-storey residential duplexes, institutional complexes, and cantilevered hill villas.

Subsoil StratigraphyConsolidated Red Lateritic Earth & Shale Outcrops
Recommended Foundation SystemReinforced Concrete Pad & Strip Foundation with Anti-Expansive Sand Cushion
Soil & Build Quote
Benin — GRA Benin, Sapele Road & Irhirhi Corridor
Edo State18 Matched Blueprints

Benin — GRA Benin, Sapele Road & Irhirhi Corridor

Allowable Bearing: Benin Formation Sand (160–210 kN/m²)

High-permeability lateritic soil supporting rapid excavation, deep soakaway drainage, and heavy residential/commercial frames.

Subsoil StratigraphyDeep Well-Drained Reddish Lateritic Sand (Benin Formation)
Recommended Foundation SystemReinforced Concrete Pad & Strip Footings at 1.5m–1.8m Depth
Soil & Build Quote
Owerri — New Owerri, World Bank & Avu Corridor
Imo State19 Matched Blueprints

Owerri — New Owerri, World Bank & Avu Corridor

Allowable Bearing: Coastal Plain Sand (140–190 kN/m²)

Active diaspora and hospitality construction hub where we execute duplex mansions, apartment blocks, and hotels.

Subsoil StratigraphyUniform Lateritic Sand with Seasonal Perched Water Table
Recommended Foundation SystemInterconnected Ground-Beam Strip & Pad Foundation
Soil & Build Quote
Ogun — Abeokuta GRA, Sagamu Interchange & Agbara Industrial
Ogun State27 Matched Blueprints

Ogun — Abeokuta GRA, Sagamu Interchange & Agbara Industrial

Allowable Bearing: Laterite / Granite (175–280 kN/m²)

West Africa’s premier industrial belt for structural steel warehouses, factories, and large-scale housing estates.

Subsoil StratigraphyFirm Lateritic Clay & Granitic Outcrops
Recommended Foundation SystemHeavy-Duty Industrial Pad Foundations & Fibre-Reinforced Ground Slabs
Soil & Build Quote
Other Nigerian Cities — Akure • Umuahia • Aba • Asaba • Ibadan • Kano • Uyo
Multi-State38 Matched Blueprints

Other Nigerian Cities — Akure • Umuahia • Aba • Asaba • Ibadan • Kano • Uyo

Allowable Bearing: Site-Specific CPT Verified

Our mobile civil engineering teams, site engineers, and equipment deploy across all 36 states in Nigeria.

Subsoil StratigraphyFull Nationwide Geotechnical & Mobile Engineering Deployment
Recommended Foundation SystemCustom-Engineered post-CPT Soil Investigation
Soil & Build Quote
Substructure Selection Schedule (BS 8004 / Eurocode 7)

Geotechnical Bearing Capacity vs. Foundation Engineering Matrix

CodeSoil Condition & StratigraphyAllowable BearingRecommended Foundation SystemTypical RegionsSubstructure Cost Share
FND-01> 130 – 250 kN/m²Baseline (1.00×)
FND-02180 – 350 kN/m² (Rock/Slope)+10% to +14% Substructure
FND-0365 – 120 kN/m²+8% to +12% Total Build
FND-04< 65 kN/m² or High-Rise (>5 Floors)+18% to +24% Total Build
Zone-Matched Structural Designs

Building Structures Engineered for All Nigerian Soil Zones

The Sovereign Crest 6-Bedroom Triplex Mansion Structure
PLAN: EKC-STR-001Duplex & Villa Structures

Full Move-In Cost (Painted & Tiled)

NGN 285,000,000

Full Breakdown
Triplex Villa Structure (G + 2 Floors + Penthouse)COREN Approved
The Sovereign Crest 6-Bedroom Triplex Mansion Structure

A state-of-the-art 3-storey reinforced concrete residential structure engineered with a 3.8m dramatic front cantilever, double-height void over the main ante-room, reinforced concrete lift shaft for a residential glass elevator, infinity pool structural shell, and 3-room detached BQ.

01. CEMENT & BLOCKS4,250 Bags • 28,500 Blks
02. IRON RODS (STEEL)64.5 Tonnes Rods
03. RECOMMENDED LANDMin. 900 sqm Plot
04. FOUNDATION TYPEReinforced Concrete Raft Foundation
6 Beds • 920m² Floor
40 – 48 Weeks (10–12 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦3.8M
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The Aurelia 5-Bedroom Contemporary Cantilevered Duplex Plan
PLAN: EKC-STR-002Duplex & Villa Structures

Full Move-In Cost (Painted & Tiled)

NGN 145,000,000

Full Breakdown
Detached Duplex Structure (G + 1 Floor)COREN Approved
The Aurelia 5-Bedroom Contemporary Cantilevered Duplex Plan

Our most popular 5-bedroom detached duplex structure designed to fit a standard 500–600 sqm plot with ample parking for 5 cars, a 2-room attached BQ, floating reinforced concrete staircase, floor-to-ceiling thermal glass panels, and hidden RC roof gutter slab.

01. CEMENT & BLOCKS2,350 Bags • 15,800 Blks
02. IRON RODS (STEEL)29.8 Tonnes Rods
03. RECOMMENDED LANDMin. 500 sqm Plot
04. FOUNDATION TYPEReinforced Concrete Pad & Strip Footings
5 Beds • 480m² Floor
28 – 36 Weeks (7–9 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦2.2M
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Concordia 8-Unit Multi-Storey Apartment Block (G + 3 Floors)
PLAN: EKC-STR-003Multi-Storey Apartment Blocks

Full Move-In Cost (Painted & Tiled)

NGN 420,000,000

Full Breakdown
4-Storey Block of Flats (8 × 3-Bedroom Apartments)COREN Approved
Concordia 8-Unit Multi-Storey Apartment Block (G + 3 Floors)

A high-density, structurally robust 4-storey residential block comprising eight (8) spacious 3-bedroom apartments (2 flats per floor), central passenger elevator core, dual fire-rated escape staircases, and ground-level parking bays.

01. CEMENT & BLOCKS7,600 Bags • 48,000 Blks
02. IRON RODS (STEEL)118.0 Tonnes Rods
03. RECOMMENDED LANDMin. 1000 sqm Plot
04. FOUNDATION TYPECellular Reinforced Concrete Raft Foundation
24 Beds • 1680m² Floor
48 – 60 Weeks (12–15 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦5.5M
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Emerald Atrium 6-Storey Grade-A Commercial Office Structure
PLAN: EKC-STR-004Commercial & Office Structures

Full Move-In Cost (Painted & Tiled)

NGN 780,000,000

Full Breakdown
6-Storey Commercial Office Building (Column-Free Floor Plates)COREN Approved
Emerald Atrium 6-Storey Grade-A Commercial Office Structure

A state-of-the-art 6-storey commercial office structure engineered with 9.0m × 9.0m wide-span ribbed waffle slabs to deliver open, column-free corporate floor plates, structural curtain-wall glazing anchors, twin elevator shafts, and basement/ground parking.

01. CEMENT & BLOCKS13,200 Bags • 22,000 Blks
02. IRON RODS (STEEL)235.0 Tonnes Rods
03. RECOMMENDED LANDMin. 1500 sqm Plot
04. FOUNDATION TYPEDeep Bored Concrete Piles
2850m² Floor
60 – 76 Weeks (15–18 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦9.5M
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Greenhaven 4-Bedroom Contemporary Winged Bungalow Plan
PLAN: EKC-STR-005Bungalow & Family Structures

Full Move-In Cost (Painted & Tiled)

NGN 58,000,000

Full Breakdown
High-Headroom Contemporary Bungalow (3.6m Ceiling + Parapet)COREN Approved
Greenhaven 4-Bedroom Contemporary Winged Bungalow Plan

Designed with the bold visual presence of a duplex while maintaining single-storey accessibility and cost efficiency. Features a 750mm elevated damp-proof plinth, 3.6m internal ceiling height, cast-in-situ RC roof fascia parapet, and 4 en-suite bedrooms.

01. CEMENT & BLOCKS1,120 Bags • 7,400 Blks
02. IRON RODS (STEEL)8.4 Tonnes Rods
03. RECOMMENDED LANDMin. 450 sqm Plot
04. FOUNDATION TYPE675mm Wide Reinforced Concrete Strip Foundation at 1.2m Depth + Pad Bases under Verandah Columns
4 Beds • 245m² Floor
14 – 18 Weeks (3.5–4.5 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦950K
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TitanSpan 2,400 SQM Structural Steel Portal Frame Warehouse & Office
PLAN: EKC-STR-006Industrial & Steel Structures

Full Move-In Cost (Painted & Tiled)

NGN 540,000,000

Full Breakdown
Clear-Span Industrial Warehouse + 2-Storey RC Admin BlockCOREN Approved
TitanSpan 2,400 SQM Structural Steel Portal Frame Warehouse & Office

Heavy-duty 30m clear-span × 80m long structural steel portal frame warehouse and factory facility with a 2-storey reinforced concrete administrative office annex, overhead crane corbel provision (10-Tonne Gantry capacity), and laser-screeded fibre-reinforced industrial floor slab.

01. CEMENT & BLOCKS6,400 Bags • 14,500 Blks
02. IRON RODS (STEEL)142.0 Tonnes Rods
03. RECOMMENDED LANDMin. 4000 sqm Plot
04. FOUNDATION TYPEHeavy-Duty Reinforced Concrete Pad Footings
2400m² Floor
32 – 40 Weeks (8–10 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦6.8M
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The Kensington 4-Bedroom Twin Semi-Detached Duplex Structure
PLAN: EKC-STR-007Duplex & Villa Structures

Full Move-In Cost (Painted & Tiled)

NGN 185,000,000

Full Breakdown
Semi-Detached Twin Duplex (2 Mirror Units × 4-Bedrooms)COREN Approved
The Kensington 4-Bedroom Twin Semi-Detached Duplex Structure

Engineered for landowners and family builders who want two independent 4-bedroom luxury duplexes on a single plot. Features an acoustic double-leaf structural party wall, independent foundation tie beams, separate gate entrances, and 2 en-suite BQs.

01. CEMENT & BLOCKS3,100 Bags • 21,400 Blks
02. IRON RODS (STEEL)41.5 Tonnes Rods
03. RECOMMENDED LANDMin. 700 sqm Plot
04. FOUNDATION TYPECombined Pad & Strip Foundation with Central Eccentricity Strap Beams
8 Beds • 680m² Floor
32 – 40 Weeks (8–10 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦2.8M
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MedCore 50-Bed Specialist Hospital & Diagnostic Center Structure
PLAN: EKC-STR-008Commercial & Office Structures

Full Move-In Cost (Painted & Tiled)

NGN 520,000,000

Full Breakdown
3-Storey Healthcare & Medical Facility StructureCOREN Approved
MedCore 50-Bed Specialist Hospital & Diagnostic Center Structure

Purpose-engineered 3-storey medical and diagnostic complex featuring high-density concrete radiation shielding for CT/X-Ray rooms, vibration-isolated surgical theatre slabs, wide hospital stretcher elevator core, and structural emergency ramp.

01. CEMENT & BLOCKS8,800 Bags • 34,000 Blks
02. IRON RODS (STEEL)136.0 Tonnes Rods
03. RECOMMENDED LANDMin. 1800 sqm Plot
04. FOUNDATION TYPEReinforced Concrete Raft Foundation
50 Beds • 1950m² Floor
48 – 60 Weeks (12–15 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦7.5M
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Estate Civil Infrastructure Package: 1.5km Road, RC Box Culverts & Retaining Wall
PLAN: EKC-STR-009Civil Infrastructure & Bridges

Full Move-In Cost (Painted & Tiled)

NGN 310,000,000

Full Breakdown
Civil Engineering Infrastructure Package (Per Kilometer / Estate)COREN Approved
Estate Civil Infrastructure Package: 1.5km Road, RC Box Culverts & Retaining Wall

Complete civil engineering infrastructure execution for residential estates, industrial parks, and access roads. Includes topographic survey, earthworks grading, twin cast-in-situ reinforced concrete U-drains, double-cell RC box culverts, cantilevered retaining walls, and 50mm hot-rolled asphalt or 80mm interlocking stone pavement.

01. CEMENT & BLOCKS8,400 Bags • Precast Blks
02. IRON RODS (STEEL)88.0 Tonnes Rods
03. RECOMMENDED LANDMin. 50000 sqm Plot
04. FOUNDATION TYPE150mm Compacted Lateritic Sub-Base
15000m² Floor
20 – 28 Weeks (5–7 Months)
Pay Stage-by-Stage (5 Phases)Drawings + BOQ: ₦4.5M
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