Facade retention

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UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
New Extension for the
City University of Hong Kong
Page 1 of 11
UNIVERSITY OF WOLVERHAMPTON HK
ASSIGNMENT 1
5CN001 BROWNFIELD REGENERATION AND
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
Table of Contents
1.0
Introduction
1.1 Site Location
2.0
Demolition considerations
2.1 Method and justification
2.2 Plant and equipment involved
2.3 Healthy – Workers and Public
2.4 Safety - Construction site & public
2.5 Consideration factors for demolition techniques
3.0
Facade retention
3.1 Temporary support method
3.2 Attachment method
3.3 Justification
4.0
Foundation
4.1 Ground investigation
4.2 Consideration of surroundings
4.3 MTR
4.4 Adjoining Building
4.5 Monitor noise and movement
5.0
Structural frame
5.1 Choice and justification (R.C or Steel or composite structure)
5.2 Management of deliveries
6.0
Internal Wall and ceilings
6.1 Choice
6.2 Services
7.0
External wall and facade
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UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
7.1 Curtain wall system
7.2 Integration with existing facade
8.0
Floor and Roof Structure
8.1 Consideration of Floor Structure
8.2 Choice of Floor Structure
8.3 Consideration of Roof Structure
8.4 Choice of Roof Structure
9.0
External Wall Enclosure
9.1 Consideration
9.2 Choice of External Wall Enclosure
10.0
Preliminary Design and Analysis
10.1 Preliminary Design
10.2 Analysis (supporting data)
10.3 Reason of site chosen
11.0
Buildability Assessment
12.0
Conclusion
13.0
Reference
1.0
Introduction
City University as a modern, international university, Making a Difference
through Excellence in Research and Professional Education.Therefore, In the
future City University need to put more resource to maintain the high quality
education.
As required by the City University of Hong Kong, the Daily House, Po Fung and
Zhougda Buildings on the Haiphong Road in Tsim Sha Tsui will be the new
extension for the City University of Hong Kong. In the future those buildings on
Haiphong Road will be demolished and redeveloped, for the new teaching
facilities, administrative offices and Student Union recreation facilities. The aims
of the new building on the Haiphong Road is to provide diversification space for
students and staff can relax and study.
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UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
However, According to the HK planning department have stated that Haiphong
Road is of historic significance, therefore the new development on the
Haiphong Road, we need to maintain the Facades in Haiphong Road. The
project should be considered Retainable and reconfigurable. For the design of
the new building should be multi-faceted consideration, such as demolition
method, choice of foundation, floor and Roof type. Also time and quality need to
be consider.
So in this report, will percent a new campus that can provide
1.1
Site Location
The Daily House, Po Fung and Zhougda Buildings on the Haiphong Road in
Tsim Sha Tsui
Page 4 of 11
UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
Site Area : ~85.9 m2
2.0
Demolition considerations
2.1 Method and justification
2.2 Plant and equipment involved
2.3 Protection – Public and Method
During the construction many hazards have the potential to injure members of
the public and visitor, such as failing objects, delivery and other site vehicles,
scaffolding and other access equipment, storing and stacking materials,
openings and excavations, ect.
To avoid those hazards to the public, we need to secure construction area
adequately when finishing work for the day, cover all over excavations and pits,
Isolate and immobilize vehicles and plant, set up catch fan in the construction
building, also need to store the building materials to avoid the connect to the
public.
2.4 Healthy – Workers
As the demolition of those buildings, we need to consider health for the workers
and public. Packed with tourists and locals, Haiphong Road is known for its
heavy traffic.
Based on the age of those three building. During the demolition, construction
area may flooded hazardous materials, Therefore, will employed specialist
before the demolition start to censor the buildings and remove the asbestos
containing material. And the site area in Haiphong Road need to provide
Page 5 of 11
UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
adequate ventilation, Also need to provide suitable breathing apparatus for the
workers.
2.5 Safety - Construction site & public
During the demolition, the site area will full of construction materials, tools,
mechanical, that will affect the public. Therefore, The footpath around the site
area in Haiphong Road need to be temporary blocked.
And the healthy of the workers , Workers working on site need to wear helmet
and mask, and they need to wear safety belt for working over 2m form ground.
2.6 Consideration factors and demolition techniques
For the demolition work, it required a lot of mechanical equipment. As consider
the space of the Haiphong Road is limited. Therefore, top-down method by
machines is the choice of the demolition techniques method. This method need
to do floor by floor, the aims to insure the stability for the demolition.
As the Haiphong road is high traffic flow road in Tsim Sha Tsui , in order to
reduce the effect to the public use, the method can lower the demolition time.
Also this method is simple to repeat the same procedure to finish the demolition
works, that can standardization working process.
3.0
Facade retention
The new building in the Haiphong road need to connect to the existing building’s
façade, therefore, base on the existing building height, site area size, we need a
temporary support method to do the façade retention
3.1
Temporary support method
Base on the new building will be the similar height with existing building, and will
connect to the façade. Therefore, Horizontal bracing will be the temporary
support for the façade. This is the most common form of retention system,
beams or trusses running horizontally along the elevation, braced by tower
sections.
Page 6 of 11
UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
A horizontal bracing system is needed at each floor level, to transfer horizontal
forces to the planes of vertical bracing that provide resistance to horizontal
forces.
3.2 Attachment method
3.3 Justify the method
As the existing building is
4.0
Foundation
The foundations of the building transfer the weight of the building to the ground.
Base on our site area located in the high flowing area, and the design of the
future building, there will be a few factors should be consider. The choice of the
foundation for the new building will following the building structure, ground
condition and Topographic, Environmental Impact to vicinity of building.
4.1 Ground investigation
As the future building Heights on the Haiphong road will not more than 10 floor,
also for the site soil investigation demonstrate the land condition of the Haiphong
Page 7 of 11
UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
road is strong soil. Therefore Shallow foundation will be the future building
foundation.
4.2 Consideration of surroundings
Those three target building on the Haiphong road is very closed to the Kowloon
Park, three buildings is face to the Kowloon Park, therefore the construction
need to decrease the effect or damage to the surroundings.
4.3 MTR
Site area located in Tsim Sha Tsui, and near by the Tsim Sha Tsui MTR station,
the underground already developed by MTR , So our choice of the foundation
effected form this factor , the foundation cannot built too deep into underground.
4.4 Adjoining Building
Base on the map showing. including our target building, there are five buildings
on the same road, and the one next to is separate, the other one were build side
by side. Consider impact on adjoining building, In order to project the building
near to Po Fung building, during the construction will provide stiffening frame to
retain the building.
4.5 Monitor noise and movement
During the construction period. We need to maintain the noise and movement in
standard range. So there will be a few sound and monitor in site to monitor the
extent of the site.
4.6 Conclusion
To fulfill the requirements of foundation needs, raft foundation will be the most
suitable for this site condition. The technique details of the raft foundation shows
on Appendix X. This method will generate less vibration and noise implication to
Page 8 of 11
UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
the vicinity building and environment and more efficiency than other pile
foundation.
5.0
Structural frame
5.1 Choice and justification (R.C or Steel or composite structure)
5.2 Management of deliveries
6.0
Internal Wall and ceilings
6.1 Choice
6.2 Services
7.0
External wall and façade
7.1
Curtain wall system
7.2
Integration with existing facade
8.0
Floor and Roof structure
8.1 Consideration of Floor Structure
8.2 Choice of Floor Structure
Page 9 of 11
UNIVERSITY OF WOLVERHAMPTON HK
5CN001 BROWNFIELD REGENERATION AND
ASSIGNMENT 1
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
8.3 Consideration of Roof Structure
8.4 Choice of Roof Structure
8.5 Choice of Floor Structure
8.6 Consideration of Roof Structure
8.7 Choice of Roof Structure
9.0
External Wall Enclosure
9.1 Consideration
9.2 Choice of External Wall Enclosure
10.0 Preliminary Design and Analysis
10.1 Preliminary Design
10.2 Analysis (supporting data)
10.3 Reason of site chosen
11.0
Page 10 of 11
UNIVERSITY OF WOLVERHAMPTON HK
ASSIGNMENT 1
5CN001 BROWNFIELD REGENERATION AND
IU CHUNG FONG
CONSTRUCTION TECHNOLOGY
JOHN GIBSON
12.0
Conclusion
[content]
13.0
Reference
[content]
-End of Report-
Page 11 of 11
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