The Additional District Cooling System (DCS) at the Kai ... · development to the DCS / KTD site....
Transcript of The Additional District Cooling System (DCS) at the Kai ... · development to the DCS / KTD site....
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The Additional District Cooling
System (DCS) at the Kai Tak
Development (KTD)
Harbourfront Commission
Task Force on Kai Tak Harbourfront
Development
15 Jan 2019
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Agenda• Background of DCS
• What is DCS?
• DCS at KTD
• Brief Introduction of Additional Plant for KTD DCS
• Why Additional Plant for KTD DCS
• Location of Additional Plant for KTD DCS
• Block Plan of Additional Plant for KTD DCS
• Works Area Outside the DCS Site
• Design Concept
• Sustainable Development
• Integrated Planning
• Proactive Harbour Enhancement
• Visual Impact Assessment
• Vibrant and Accessible Harbour
• Public Enjoyment
• Greenery and Landscape Design
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What is DCS?
• District cooling system (DCS) distributes chilled water through network of
underground pipes from central chiller plant to multiple buildings for air-conditioning
• Suitable for developments with operational diversity and clusters of buildings
©HKSAR Government©ARUP
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DCS at KTDLayout Plan
Kai Tak Sports Park
Area 3
New Acute Hospital
Area 2
Proposed Additional DCS
Plant
Existing North DCS Plant
Existing South DCS Plant
Chilled Water Pipes
Seawater Discharge Pipes
Seawater Outfall
Former Runway
©ARUP
©ARUP
Entrance to underground South DCS Plant
Building outlook of North DCS Plant
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Location Plan of Additional Plant for KTD DCS
©ARUP
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Why Additional Plant for KTD DCS
Kai Tak Sports Park (KTSP)
New Acute Hospital (NAH)
Commercial Developments in Area 3
©HKSAR Government
©HKSAR Government
Area 3 changes to
commercial use
©HKSAR Government
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Block Plan of Additional Plant for KTD DCS
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Works Area Outside the DCS Site
TGLA/ STLA application outside
the DCS site (subject to further
coordination with relevant parties)
PGLA for Proposed Additional
DCS Plant
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Sustainable Development
• Energy Saving, Reduction of carbon
footprint35% saving to traditional air-cooled system,
20% saving to individual water-cooled system.
• Elimination of heat island effectCooling System on rooftop is not required. The
roof of the building can be designed with more
sustainable features, such as green roof and
roof garden to reduce the heat island effect.
• BEAM PlusThe second highest BEAM Plus Rating is
targeted to be achieved.
Major Benefits to the Environment
35%
20%
©HKSAR Government
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Sustainable Development
• Reduction of greenhouse gases emissionImprove energy efficiency, reduce energy consumption
and carbon emissions.
• Reduction of noise pollutionGreatly reduce pollution of noise, vibration and waste
heat pollution from building chillers and condensers.
• Reduction of use of refrigerantThe overall number of chillers in the DCS is smaller,
thus reducing the amount of refrigerant required.
Major Benefits to the Environment
©Tabreed
©Araner
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Integrated Planning
• Functional Planning The functional and efficient planning for the DCS locates
the building to the north-western edge of the site with
shared access facilities located between the DSD
Desilting Compound and EMSD DCS facilities.
• Public AccessPublic access to the Visitor / Education Centre facilities is
provided for educational purposes by appointed guided
tours. Public access is segregated from operational areas
for safety and operational efficiency.
• Integrated Soft Landscape The proposed soft landscape design employs compatible
landscape strategy as its adjacent DSD & EMSD sites,
allowing for a harmonious, integrated landscape
development to the DCS / KTD site.
Desilting Compound No.1
Additional
DCS Plant
Block Plan ofAdditional DCS Plant
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Integrated Planning
Desilting
Compound
No.1
Future Ramped
Cycleway and
pedestrian footpath
Site 1P1
Site Access
• Close Coordination Close coordination with the adjacent
DSD Desilting Compound on shared
use of EVA / Access Road and with
CEDD on reserving area for future
cycleway and pedestrian footpath.
Additional
DCS plant
Indicative layout of Site 1P1
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Proactive Harbour Enhancement
• Façade ConceptForm follows function
Visual impact of building massing addressed by precast
facade emulating a series of ripples that reflect sunshine
Facade
Sustainable precast modular facade composed of fluted
elements that create visual ripples
Integrated, articulated diagonal landscaping feature of
vertical greening
©HKSAR Government
Key Plan
Combine Notes:
• Photomontage shows reference
design of Additional DCS Plant
Building, subject to future DBO
contractor’s design
• Buildings and environment
surrounding the DCS Plant
Building are hypothetical and
shown for information
View A
View B
View C
VIEW C
VIEW A
VIEW B
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Visual Impact Assessment
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Vibrant and Accessible Harbour• Site Connectivity
The site is designed to allow
for the integration of the
public cycleway and
harbourfront access footpath.
• Site Integration The design and the visual
impact of the DCS blend into
the surrounding environment
and facilities.
DCS Site
©HKSAR Government
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Public Enjoyment
• ECO friendlyThe building is constructed with green, eco
friendly materials that will also address the
biophilic nature of the DCS and allow the
building to be appreciated in a holistic way.
• Public AccessAVisitor / Education Center will be provided
for an appointed educational experience on the
benefits of the District Cooling Facility.
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Public Enjoyment
• Harmonious Design The DCS provides a harmonious design that is
integrated with and enhances the harbourfront
experience whilst providing this facility for this
district.
• Enhanced Aesthetic
The design and its articulation provides for an
enhanced urban fabric for the district.
View A ~ (Photomontage shows reference design of Additional
DCS Plant Building, subject to future DBO contractor’s
design)
VIEW A
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Greenery and Landscape Design• Design Philosophy
The landscape design will be complementary,
and in harmony with the soft landscaping design
adopted by the adjacent DSD Desilting Compound.
This will allow for a holistic landscape design for
this area of the harbourfront.
Species will be selected for their durability,
low maintenance. Exotic species are avoided.
View B ~ (Photomontage shows reference design of Additional
DCS Plant Building, subject to future DBO contractor’s design)
(The layout shows reference design of Additional DCS Plant
Building, subject to future DBO contractor’s design)
VIEW B
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Greenery and Landscape Design
At-grade greenery Roof greenery Vertical greening (below 15m)
KTD Requirements Proposed landscape area
Ground level to 15m above ground level:
20% of Site Area
> 20%
Roof Level:
20% of Roof Area
> 20%
Overall:
30% of Site Area
> 30%
(The layouts and photomontage show reference design of Additional DCS Plant Building, subject to future DBO contractor’s design)
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END ~
Q & A