Comparative Analysis of Lezza Soho, bTi Landmark, Pinacle Tower & GP House.pptx

COMPARATIVE ANALYSIS:
NATIONAL INTERNATIONAL
VS

CONTENTS:
• LEEZA SOHO
• History
• Structure System
• Services, Utilities & Functions
• Sustainability
• Shanta Forums
• History
• Sustainability
• Pinaccle Tower
• History
• Sustainability
• bTI Landmark
• History
• Sustainability
• GP House
• History
• Sustainability

 Located Leeza financial buissness district
 Offices(small and medium-sized businesses
 207 METER(45 STORIES)
 2015 -2018
 Gross floor area:172.800m2
 Above ground:124000m2
 Below ground:48800m2
 Retail;10,000 m2
 Vehicle parking:480
 Area: 172800m²
 world’s tallest atrium at 194.15m
LEEZA SOHO/LI ZE TOWER:
HISTORY :
WWW.ARCHDAILY.COM
3

4
 Composite structure - concrete and steel
 Four elliptical rings ; made of bridges and trusses ; at levels
13, 24, 35 and 45,
 Rings - Hoop - stability and stiffness - single structure
 Plan – spiral up layout on the atrium side
 The tower rotates 45 degrees from the bottom to the top
 Arc shaped frame - Braces -
core wall structural system
 Reinforced concrete core –
Dredge some columns – support
structure directly
 Steel columns and beams
 Compact structure - Good
seismic performance

Functions:
MEP
mechanical, electrical and
plumbing.
REFUGE=HOLDING OCCUPANT
DURING A FIRE AND OTHER
EMMERGENCY
5
low zone elevators:(F1/F2 to F3-F27)
8 elevators
high zone elevators(F28-F45 ),8
elevators
 -F2-B4:
Retail and parking single cabin lift:.
 -84-F45: Fire and goods lift: •, 2 in
total.
SERVICES SYSTEM,UTILITY & FUNCTIONS:

SUSTAINABILITY:
 Designed to
achieve LEED
Gold
certification
by the US
Green
Building
Council
The tower’s
double-insulated
glass curtain-
wall system
Insulating the
roof,absorbing heat-
green roof,
Low e glazing-
minimize heat gain
and loss
Efficient HVAC
system
Durable recyle
facades
Attrium -
maximum
daylight
Photo voltaics-solar
energy panals
Dean energy
Attrium-acting
as thermal
chimney
6
Water
efficiency
Water collection.
Grey water flushing
Lighting control
Centrally controlled
lighting for energy
savings
Passive
ventilation
photovoltaic
array- harvest
solar energy.

7
•Orientation of the Land:
North-South
•Front Road: 80 feet wide
•Number of Floors: Ground
+ 24 floors
•The First Twin Towers of The
Country
•The floor area on each level
ranges between 5,500
TO14,950 sq ft
The name "Forum"
means a place of
meeting or gathering
of people to exchange
views and ideas
SHANTA FORUM
Located at the
capital's Tejgaon-
Gulshan link road
LEEZA SOHO
2 main components
guiding the design
concept:
-Subway
Connection :
-Central Atrium
History
Tejgaon is more known as an
industrial zone,. The location
is a pivotal point of the
city and accessible
from any part of
Dhaka.
Fengtai business
district
growing financial
and transport hub
responds to demand from
small and medium-sized
businesses in Beijing for flexible
and efficient Grade A office space.

SERVICES:
- 08 Smart Passanger Elevators (Ensuring
Optimized Energy Efficiency &Min Wait Time)
- 02 Service Elevators
--2 Fire Stairs with 2-hour UL
Certified Fire-resistant Doors
-State-of-the-Art Firefighting and
Smoke Detection System
-Central Fire Command & Control
Room with 24/7 Professional
Monitoring Team
- Central HVAC System with
Water Cooled Centrifugal
Chillers and Load Management
- water treatment plant (WTP)
- Full Load Power Backup with the Most
Advanced Generator
- Central CCTV Monitoring & PA Systems
:
low zone
elevators: 8
elevators(16
cabin)
 F28-F45
high zone
elevators:
,8 elevators
 -F2-B4:
Retail and
parking single
cabin lift:.
 -84-F45: Fire
and goods lift:
•, 2 in total
MEP FLOOR,REFUGE FLOOR:mechanical,
electrical and plumbing.
LEEZA SOHO
SHANTA FORUM

--a cafe
- the double-height atrium and reception,
- management offices, central command room, chauffeurs zones and other
facilities.
- gym and selective retail showrooms
communal spaces roof garden,
200’ Wide Landscaped Open
Plaza on Ground Floor
-350 Car Parking in Three
Basement Levels with
Sensor-Based Mechanical
Ventilation System
-Management Office and
Drivers' Waiting Rooms with
Washrooms
Functions:
SHANTA FORUM LEEZA SOHO
F-46-PERTIAL MEP
F(36-45)OFFICE
F(35-36)REFUGE/MEP
F(25-34)0FFICE
F(24-25) REFUGE/MEP
F(15-23)OFFICE
F(13-14) REFUGE/MEP
F(1-12)OFFICE
BASEMENT(1-2)RETAIL
BASEMENT (3-4)PARKING
Vehicle parking:480
 Retail;10,000 m2
2,680 bicycle parking spaces, with lockers, shower facilities and
dedicated charging spaces for electric and hybrid cars are
located below ground

Structure:
 a structure that physically and visually connects the neighbourhood and both
the roads.
 building a monolithic block with a void in the middle, connected at the ground
and rooftop.
-Steel structure
-Double glazing glass facade
Concrete column
SHANTA FORUM LEEZA SOHO
 Composite structure - concrete and steel
 Steel columns and beams
 Arc shaped frame - Braces - core wall structural system
 Reinforced concrete core – Dredge some columns – support
structure directly
 Four elliptical rings ; made of bridges and trusses ; at levels 13,
24, 35 and 45,
 Rings - Hoop - stability and stiffness - single structure
• a peripheral load-bearing
structure that reduces the
number of columns and
negative spaces.

LEEZA
SOHO
4. many initiatives taken to ensure a lower
carbon footprint and energy efficiency for
Forum.
5. Landscaped Rooftop
6.Shanta implemented ideas to make the
building energy efficient and safe.
1.Insulated Double-glazed, 32 mm, Low-E,
Heat Resistant Glass in A Fully Unitized
Curtain Wall System for heat resistant, Energy
Efficiency, Durability, Dust and Waterproofing
2 .energy-efficient LED light fixtures
throughout the project,
3.Efficiently Designed Floor Space Providing
Maximum Flexibility for Interior Design
SHANTA FORUM
Sustainability
harvest
solar
energy.
Insulating the
roof,absorbing
heat- green roof
Durable
recyle
facades
Attrium-acting as
thermal chimney
Efficient
HVAC
system Lighting
control
Passive
ventilation
Water collection.
Grey water flushing
Water use monitoring
LEED gold
certified

SHANTA FORUM:
Critical
analysis
STRUCTURE
BUILDING
FORM
Is it really
energy
efficient?
Landscape
Atrium
LEEZA SOHO
Confusing
entry
Complex
geometry
structure
Façade
treatment
Is it really
energy
efficient?

• History
• 162 m (531 ft.) 40-floor commercial skyscraper.
• Approved for construction in September 2018.
• The first in Dhaka to undergo a wind tunnel test.
• Design by local firm EK Architects.
• LEED-certified green building.
• Double-glazed unitized facade system for energy efficiency .
Status Under construction
Type Commercial
Location Bir Uttam Mir Shawkat Sarak, Tejgaon,
Dhaka
Coordinates 23.7703°N 90.4075°E
Construction started 2019
Completed 2026
Owner Shanta Holdings
Height 162 m (531 ft)

• 5 basement
• 18 bighas of soil had to be cut
• 75 Service Pile/ (Diameter 1500)/ (60 feet
below)
• Eye based steel king post
• Coupler method
• Compact concrete
Structure:

•Front Road : 60 feet wide
•Number of Basements: 3
•Number of Car Parking: 367
•07 High-Speed International Brand Passenger Elevators & 01
Service/Fireman’s Elevator
•Spacious Café at Ground Floor
•Fully Equipped State-of-the-art Gym
•Full Load Power Backup with Most Advanced Generator
•Central Security Surveillance System with 24/7 Monitoring
• Layer Basement Parking with Mechanical Ventilation System
•02 Pressurized Fire Stairs with UL Certified 2 Hours Fire Resistant
Doors
•HVAC System with Chiller Manager and BTU Meter
•Central PA System for Announcements
•Management Office, Fire Command Room & Drivers Waiting Rooms
with Washrooms Fire stair(02)
Passenger Elevators (07)
WC zone (02)
SERVICES:

• Insulated Double-glazed, Low-E, Heat Resistant Glass in Fully
Unitized Curtain Wall System for Energy Efficiency, Durability,
Dust and Waterproofing.
• Country’s First Wind Tunnel Tested Building Designed By
RWDI Singapore.
• Professionally Designed Landscaping and Building Lighting
(Using Only Energy-efficient LED Lighting).
• HVAC System with Chiller Manager and BTU Meter
Sustainability

Comparison:
Pinaccle Tower Leeza soho
•Location: Beijing, China
•Architect: Zaha Hadid Architects
•Structure: Bollinger + Grohmann (Competition), CABR (SD), BIAD (DD) (CD)
•MEP: Parsons Brinkerhoff (SD), BIAD (DD) (CD)
•General Contractor: China State Construction Engineering Corporation
•Facade Contractor: Lingyun, Yuanda
•Floor area: 1,860,000 sq ft
•Location: Dhaka ,Bangladesh
•Architect: Ar. Ehsan Khan (EK Architects)
•Structure: Meinhardt (Singapore) Pte Ltd.
•MEP: Meinhardt (Singapore) Pte Ltd.
•Car parking: 367
•Basement: 05
•Floor area: 14,560sft/ Floor (approx.)

Critical analysis:
Pinaccle Tower Leeza soho
Atrium
Shape
Fire stair
Daylight
Topics
South-east
Present
(world tallest
Atrium)
Cylindrical
04
(02 for one
Side)
Present
(clear)
Absent
Rectan-
gular
(wind
load )
02
Absent
(Atrium
needed)

Pinaccle Tower
• History
• Structure
• BNBC
• Service
• Sustainability
Design and construction
Architect(s) Ehsan Khan
Architecture firm EK Architects

• Structure
• Structural Consultant: Meinhardt (Singapore)
Pte Ltd.
• 45 katha
• 5 basement
• 18 bighas of soil had to be cut
• 75 Service Pile/ (Diameter 1500)/ (60 feet
below)
• Eye based steel king post
• Coupler method
• Compact concrete
• 11.5 Feet Floor to Floor Height
• Insulated Double-glazed, Low-E, Heat Resistant
Glass in Fully Unitized Curtain Wall System for
Energy Efficiency, Durability, Dust and
Waterproofing

• Service
•Front Road : 60 feet wide
•Number of Stories: 40
•Floor Area: 4,050 - 14,560sft/ Floor (approx.)
•Number of Basements: 5
•Number of Car Parking: 367
•Grand 45 Feet High Atrium Entrance
•07 High-Speed International Brand Passenger Elevators & 01
Service/Fireman’s Elevator
•Spacious Café at Ground Floor
•Fully Equipped State-of-the-art Gym
•Business Center
•Full Load Power Backup with Most Advanced Generator
•Central Security Surveillance System with 24/7 Monitoring
•05 Layer Basement Parking with Mechanical Ventilation System
•02 Pressurized Fire Stairs with UL Certified 2 Hours Fire Resistant
Doors
•HVAC System with Chiller Manager and BTU Meter
•Central PA System for Announcements
•Management Office, Fire Command Room & Drivers Waiting Rooms
with Washrooms
Fire stair(02)
Passenger Elevators (07)
WC zone (02)

• Sustainability
• Insulated Double-glazed, Low-E, Heat Resistant Glass in Fully
Unitized Curtain Wall System for Energy Efficiency, Durability,
Dust and Waterproofing.
• Country’s First Wind Tunnel Tested Building Designed By
RWDI Singapore.
• Professionally Designed Landscaping and Building Lighting
(Using Only Energy-efficient LED Lighting).
• HVAC System with Chiller Manager and BTU Meter

Bti Landmark, Gulshan 1, Dhaka.
Architect: Mustapha Khalid Palash.
Location: 16, Gulshan Ave, Dhaka
Situated on a 3 sided corner plot facing east, west and north in the
lucrative location of Gulshan Avenue. bti landmark stands tall and
majestic
Number of Floors : G+13
Apartment Size : 733 sft - 10500 sft
Built Up Area : 92023.2sqft
Bti Landmark will be a LEED Gold Certified commercial building
constructed by bti
LEEZA SOHO
Located Leeza financial
buissness district
 Front road 90 feet wide
 207 METER(45
STORIES)
 world’s tallest atrium at
194.15m
 Offices(small and
medium-sized businesses
 Gross floor
area:172.800m2
2 main
components
guiding the design
concept:
-Subway
Connection :
-Central Atrium
Bti landmark HISTORY

SERVICES & UTILITIES
• Totall 5 lift with 15 passenger capacity
(4 passenger, 1service)
• 3 lift from basement to 13 floors
• 2 fire proof lifts serving from the
ground floor up to the 13th floor
• The main staircase and other
stairwells are conveniently located
with favorable ventilation conditions
and airspaces
• Own stp, wwtp, wtp
system
• Here has pressurised duct
• They use approxi paint on
their parking and roof, this
is light weight and not
sliparry
Parking
• They make a half-landing on their ramp
• Used dependable parking
Lifts and Staircases Water management
Fire Protection
• Fire alarm system with
heat and smoke detectors
• Water hose reels
conveniently placed at
every floor to ensure the
availability of water at all
times.
• Fire extinguisher on every
floor
• emergency exit staircase
with fire protected doors

SERVICES & UTILITIES
Electrical features
• Each floor/space has a separate electrical
distribution box that is connected to the
main circuit breaker through BBT
• Independent digital electric meters
• Adequate Imported switches, sockets,
plug points all over the building
• Provision for internet connection and
telephone lines with master distribution
box in basement
• All electrical lines are earthed and all
wiring, telephone lines, gas and water
lines are concealed
Security features
• CCTV monitoring installed all around the building
complex
• A public announcement system maintained at all
times
• Monitoring Room to control all incoming and
outgoing persons,
• vehicles and goods
Prayer space Universal accessibility
Air cooling system

Internal structural system
STRUCTURE
Cantilever with steel frame
Concrete structure
Two rectilinear box connected
with One central core

LEEZA SOHO
BTI LANDMARK
Sustainability
harvest
solar
energy.
Insulating the
roof,absorbing
heat- green roof
Durable
recyle
facades
Attrium-acting as
thermal chimney
Efficient
HVAC
system Lighting
control
Passive
ventilation
Water collection.
Grey water flushing
LEED gold
certified
• Bti Landmark is capable of
saving up to 55% energy by
naturally cooling the
workplace with low e glasses.
• The fair face façade adds to the heat protectiveness feature of the
building.
• LEED Certifications
• Rain water harvesting system
• Efficient HVAC system

BTI LANDMARK:
Critical
analysis
STRUCTURE
BUILDING
FORM
55%
energy
efficient
Narrow entry
space
Narrow
lobby
LEEZA SOHO
Confusing
entry
Complex
geometry
structure
Façade
treatment
Is it really
energy
efficient?

Grameenphone Corporate
Head Quarter (GP House)

Grameenphone,
founded in 1996
by Nobel
laureate
Muhammad
Yunus 34
LEEZA SOHO
2 main
components
guiding the design
concept:
-Subway Connection :
-Central Atrium
History
Fengtai business
district
growing financial
and transport hub
responds to demand from
small and medium-sized
businesses in Beijing for flexible
and efficient Grade A office space.
GP House
Site Area: 7466 Square Meter
Plot Ratio: Substructure Floor Plate : Basement 5600 Sq. M. (75%)
Located in
Dhaka
Designed in
2006
PROJECT TEAM
Mustapha Khalid
Mohammad Foyez Ullah
KM Saiful Kader

SERVICES:
low zone
elevators: 8
elevators(16
cabin)
 F28-F45
high zone
elevators:
,8 elevators
 -F2-B4:
Retail and
parking single
cabin lift:.
 -84-F45: Fire
and goods lift:
•, 2 in total
MEP FLOOR:mechanical, electrical and
plumbing.
REFUGE=HOLDING OCCUPANT DURING A
FIRE AND OTHER EMMERGENCY
- State-of-the-Art Firefighting and
Smoke Detection System
- Central Fire Command & Control
Room with 24/7 Professional
Monitoring Team
- water treatment plant (WTP)
- Full Load Power Backup with the Most
Advanced Generator
- Central CCTV Monitoring.
- Generate electricity by gas
- Water cooler air conditioning system 70%
energy efficient
GP House
- Efficient use of gray water and
rainwater

Functions: LEEZA SOHO
F-46-PERTIAL MEP
F(36-45)OFFICE
F(35-36)REFUGE/MEP
F(25-34)0FFICE
F(24-25) REFUGE/MEP
F(15-23)OFFICE
F(13-14) REFUGE/MEP
F(1-12)OFFICE
BASEMENT(1-2)RETAIL
BASEMENT (3-4)PARKING
Vehicle parking:480
 Retail;10,000 m2
2,680 bicycle parking spaces, with lockers, shower facilities and
dedicated charging spaces for electric and hybrid cars are
located below ground
GP House
--a cafe
- atrium and reception,
- management offices, central command room and other
facilities.
- Gym, Multiple use Auditorium, conference room, indoor
playground
Built up Area: Substructure in 3
Basements: 16,800 Sq. M.
Superstructure in 9 Floors: 28,400 Sq. M.
Total Built up Area 45,200 Sq. M.
Living Area vs Circulation Area : Living
Area 22010 vs. Circulation Area 6390
Circulation 22.50% of 28,400 Sq. M. Total
Parking Area : 11,760 Sq. M.
Landscaped Area : 4,000 Sq. M. including
Terrace Gardens
Atrium

LEEZA SOHO
 Composite structure - concrete and steel
 Steel columns and beams
 Arc shaped frame - Braces - core wall structural system
 Reinforced concrete core – Dredge some columns – support
structure directly
 Four elliptical rings ; made of bridges and trusses ; at levels 13,
24, 35 and 45,
 Rings - Hoop - stability and stiffness - single structure
Structure:
Steel Structure
Concrete
Structure
Concrete
Structure
Composite structure - concrete and
steel

Sustainability
harvest
solar
energy.
Insulating the
roof,absorbing
heat- green roof
Durable
recyle
facades
Attrium-acting as
thermal chimney
Efficient
HVAC
system Lighting
control
Passive
ventilation
Water collection.
Grey water flushing
LEED gold
certified
• Specialized Glass Façade
• Waterbody
• Employee Engagement
• Water Conservation
• Energy efficiency
GP House

Critical analysis
• Composite Structure
• Composite Structure
• Specialized
Glass Façade
• Glass Façade
treatment
• Complex geometry
structure
• Don’t think so that
it is energy efficient
as GP House
• More energy
efficient
• Use 90% of
daylight
• Air conditioning
system almost
free of coast.

Comparative Analysis of Lezza Soho, bTi Landmark, Pinacle Tower & GP House.pptx

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Comparative Analysis of Lezza Soho, bTi Landmark, Pinacle Tower & GP House.pptx