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PLAN ID: EKC-STR-003Multi-Storey Apartment Blocks • Multi-Family RC StructureEurocode 2 (EN 1992) & BS 8110

Concordia 8-Unit Multi-Storey Apartment Block (G + 3 Floors)

4-Storey Block of Flats (8 × 3-Bedroom Apartments) • Engineered for 1,000–1,200 sqm Plots

Standard Turnkey Build~₦250K/m²
NGN 420,000,000
NGN₦420.0M
USD$269K
GBP£210K
EUR€248K
Concordia 8-Unit Multi-Storey Apartment Block (G + 3 Floors)
C35/45 Ready-Mix Concrete for Foundation, Lift Core & Columns
Visual 1 of 3
GROSS FLOOR / PLOT AREA1680 sqm / 1000 sqm
STRUCTURAL LEVELS4 Levels (Ground + 3 Suspended Floors)
REBAR & CONCRETE BOQ118.0T • 890m³
EST. BUILD DURATION48 – 60 Weeks (12–15 Months)
COREN Structural Engineering Schedule • EKC-STR-003

Complete 12-Point Structural & Civil Specifications

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. Structural Frame System

4-Storey Moment-Resisting RC Frame with Central Shear-Wall Elevator & Stair Core

02. Governing Design Codes

Eurocode 2 (EN 1992) & BS 8110 | Fire Resistance Rating: REI 120 (2 Hours)

03. Substructure & Foundation System

Cellular Reinforced Concrete Raft Foundation (1,200mm Deep) or Bored Pile Group

04. Concrete Strength Grade

C35/45 Ready-Mix Concrete for Foundation, Lift Core & Columns | C30/37 for Suspended Slabs

05. Reinforcement Steel Specification

High-Yield TMT Bars fy = 500 N/mm² (Y16, Y20, Y25 Columns/Beams; Y12 Double-Layer Slab Mat)

06. Suspended Floor Slab System

200mm Solid Reinforced Concrete Suspended Slabs across 1st, 2nd & 3rd Floors

07. Column Grid & Section Sizes

6.0m × 6.0m Regular Modular Grid | 350×500mm & 300×450mm Heavy RC Columns

08. Primary & Cantilever Beam Specs

300×600mm Primary Continuous Beams | 230×450mm Secondary Floor Beams

09. Blockwork & Shear-Wall System

225mm Vibrated Sandcrete Blocks + 200mm Cast-in-Situ RC Shear Walls around Lift & Fire Stairs

10. Roof Trusses & Parapet Drainage

Steel Portal Roof Trusses over RC Ring Beam & Parapet Gutter + 0.70mm Industrial Long-Span Aluminum

11. Required Soil Bearing Capacity

Minimum 160 kN/m² for Raft | Pile Schedule Included for Coastal/Swampy Sites

12. Wind Load & Factor of Safety

Lateral Wind & Drift Checked for 16.5m Building Height

Lead Structural Engineer

Engr. Chibuike Ekeson, FNSE, COREN

Principal Civil & Structural Engineer

EST. BUILD PRICE:NGN 420,000,000
Direct WhatsApp Engineering Quote Preview

“Hello Engr. Ekeson & Ekesonconstruct Civil Engineering Desk, I inspected the full structural details for "Concordia 8-Unit Multi-Storey Apartment Block (G + 3 Floors)" [Plan ID: EKC-STR-003]. Selected Scope: Standard Turnkey Build | Soil Profile: Firm Laterite Soil (Pad/Strip Baseline) | Website Estimated Build Cost: NGN 420,000,000. Please share the itemized BOQ and mobilization schedule for my land.”

Ask Exact Price to Build on WhatsAppCall Lead Engineer: +234 800 353 7662
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