DESIGN OF A HIGH-RISE

Leading University, Department of Architecture, Sylhet, Architecture, LU

Project idea

Project Title: Green Spine Towers: A Split-Core Commercial High-Rise

Declaration:

This project proposes a modern commercial high-rise development based on a split-core configuration and two towers of varying heights emerging from a unified four-story podium. One tower rises to 30 stories, while the other reaches 20 stories, connected through green sky bridges and a shared landscape strategy.

Set within a dense urban context, the concept envisions a non-centralized, porous, and environmentally responsive structure that integrates commercial utility with spatial and ecological quality. The architecture prioritizes openness, safety, and sustainability in a vertical format.

Project Goals and Objectives:

To establish a multifunctional commercial hub in the heart of the city

To minimize crowding by dividing user flows and ensure safe emergency egress

To implement a dual-core system for efficient vertical circulation and fire safety

To maintain ecological balance through green terraces and vertical gardens

To create publicly accessible bridges and rooftop spaces for social interaction

To adopt sustainable strategies such as solar energy, rainwater harvesting, and passive ventilation

Project description

Project Title: Green Spine Towers: A Split-Core Commercial High-Rise

Scope of the Solution:

This project offers a comprehensive architectural solution to challenges commonly faced in dense urban commercial developments—such as overcrowding, lack of open spaces, poor emergency exits, and ecological imbalance.

The scope of the solution includes:

Using a dual-core system to divide users and create distinct vertical circulation zones

Establishing two towers of different heights to introduce rhythm in the skyline and functional zoning

Designing a 4-story podium with a supershop, showroom, gym, multipurpose hall, food court, and 150 retail shops

Allocating rentable office space from the 5th to the 29th floors, with a rooftop restaurant on the 30th floor

Integrating sky bridges on the 10th, 11th, and 15th floors to provide social interaction spaces, emergency access, and green connectivity

Embedding sustainable design strategies including vertical greenery, solar energy, rainwater harvesting, and passive ventilation

Technical information

Project Title: Green Spine Towers: A Split-Core Commercial High-Rise

Technical Specifications:

Building Type: Commercial high-rise

Number of Towers: 2 (One 30-storey tower and one 20-storey tower)

Podium: 4 floors – includes supershop, showroom, food court, gym, multipurpose hall, and 150 retail shops

Tower Floor Usage: Office spaces from 5th to 29th floors; rooftop restaurant on the 30th floor

Basement & Semi-basement: Parking facility for 250 cars

Sky Bridges: At the 10th, 11th, and 15th floors for inter-tower connectivity

Core System: Dual split cores placed in each tower

Elevators & Staircases: 4 elevators per core (passenger, service, fire lift); 2 emergency staircases

Structural System: Composite Structure – Steel framing with RCC slabs and shear walls

Building Services: HVAC, water supply, drainage, fire-fighting systems

Green Features: Vertical gardens, solar panels, and rainwater harvesting

Natural Ventilation: Central atrium with open ventilation shafts

Documentation

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