Green Neigbourhood in High-Density High-rise Contexts

Transcription

1 Green Neigbourhood in High-Density High-rise Contexts Tony Ip HKGBC Green Building Faculty Member B.Eng.(Civil & Struct.)(Env. Eng.), B.BltEnv.(Arch. Studies)(Dist.), M.Sc.(Geot. Eng.), M.Arch.(Dist.), M.UrbanDesign(Dist.), M.St. IDBE Registered Architect(HK), AP(Architect), HKIA, HKIUD, PIA, BEAM Pro, Green Building Faculty, LEED AP ND & BD+C, BREEAM AP, WELL AP

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4 i-phone is a machine for living

5 The higher we live from the ground level, the more disconnected we feel from the natural world and even from each other within a community

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8 World Urbanisation Urban & Rural Population of the World (United Nation: 2014) 66% Urban 54% Urban

9 New Urban Age: Our cities account for 2% Land area 70% Economy (GDP) 70% Global Waste 54% World population over60% Global Energy Consumption 70% Greenhouse Gas Emissions Source:

10 New Urban Agenda 1. Principles and Values (PV) 9. Risk Reduction (RiR) 2. Urbanization and Sustainable Development (USD) 10. Research and Capacity Development (RCD) 3. National Urban Policy (NUP) 11. Human Rights (HR) 4. Rules and Regulations (RR) 12. Climate Change (CC) 5. Urban Planning and Design (UPD) 13. Gender (GE) 6. Financing Urbanization (FI) 14. Youth (Y) 7. Urban Basic Services (USB) 15. Local Implementation (LI) 8. Housing and Slum Upgrading (HSU) Source: log/2016/10/newurbanagenda/

11 Urban Agglomerations of >1M Population

12 Urban Sustainability Rating Tools 52 USRTs in 22 Countries (Source: Criterion Planners. 2014)

13 Example of Green District: Shipyard/Candlestick, San Francisco Quick facts: A LEED-ND Gold development on a former US navy shipyard of 775 acres, providing 12,000 homes, 3.15M sq. ft. of R&D/office space; 885,000 sq. ft. of retail; 100,000 sq. ft. of community facilities and a 10,000 seat performance venue Public space: Over 300 acres of protected open space Energy: Committed to energy savings that are 15% greater than in the 2008 Water: Reclaimed water will be reused to be connected to the city s recycled water system for irrigation. Waste: An underground automatic waste collection system

14 Example of Green District: Hammarby-Sjostad, Stockholm, Sweden Quick facts: 200 ha. with 11,000 homes upon completion and 200,000 sqm commercial space Mobility: Well-connected low-carbon public transport network including light rail, ferry and carpool Energy: Half of the energy in the district supplied by waste heat from combustible waste Water: Local stormwater treatment for all stormwater rainwater and snow with landscaped areas well integrated with water features Waste: Waste is separated at source and recycled or used to produce heating and electricity

15 Example of Green District: Hafen City, Hamburg Quick facts: 157 ha. land area with 2.32 million sqm GFA, providing 6,000-7,000 homes for 14,000 residents and up to 45,000 jobs Public space: 28 ha. of public parks, squares and promenades Green building: Introduction of EcoLabel before DGNB to award green buildings in the district Energy: Sustainable energy solutions with a combination of remote district heating, decentralized combined heat and power, fuel cell, solar plants, heat pumps and geothermal energy Climate resilience: All new buildings are elevated on floodsecure plinths

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17 DENSE URBAN ENVIRONMENT 24% land area as built-up area 27,330 persons per sq. km. Source:

18 HIGH MOBILITY 5.5M passengers of railbased transport daily 3.9M passengers of franchised buses daily

19 GREEN SPACE IN HONG KONG 40% land area as country parks and protected areas sq. m. per capita green space 41 beaches in Hong Kong

20 A LACK OF OPEN SPACE 2,272 major parks, small parks/ gardens/ sitting-out areas and children s playground 2.7 sqm of Open Space per capita in urban area Data source:

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23 BEAM Plus BEAM Plus ( 綠建環評 ) assessment offers independent assessments of building sustainability performance in Hong Kong. New Buildings Version 1.2 BEAM Plus New Buildings covers the demolition, planning, design, construction and commissioning of new building project. It can also be applied to major renovations, alterations and additions. Existing Building Version 2.0 BEAM Plus Existing Buildings measures the actual performance of a building and evauates its facility management practices. The assessment covers all aspects of management, operation and maintenance. Interiors Version 1.0 BEAM Plus Interiors covers the design and construction of fit-out, renovation and refurbishment works in non-domestic, occupied spaces. Neighbourhood Version 1.0 BEAM Plus Neighbourhood is the first tool developed locally to address sustainability issues at the early stage or masterplanning stage of a project.

24 評估範疇 BEAM Plus New Buildings 6 performance aspects of BEAM Plus New Buildings

25 BEAM Plus Neighbourhood 7 performance aspects of BEAM Plus Neighbourhood

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29 COMMUNITY ENGAGEMENT Encourage and recognize community engagement in planning and design stages of developments

30 PLACEMAKING & LOCAL CHARACTER Create or reinforce local character through careful planning and design.

31 QUALITY OPEN SPACE Encourage the provision of quality leisure and recreational Open Space to enhance urban liveability

32 ECOLOGICAL VALUE Enhance and/ or conserve the ecological value of a site in terms of its intactness of habitat and biodiversity. Source: (top right)

33 By straddling over 3 zoogeographic zones, HK boasts a wide range of habitats that support biodiversity 3,300 species of vascular plants 50 species of mammals 500 species of birds 80 species of reptiles 20 amphibian species 230 species of butterflies 120 species of dragonflies

34 STORMWATER MANAGEMENT Promote best practices in stormwater management, alleviate the stress of stormwater drainage system and reduce risk of flooding.

35 OUTDOOR THERMAL COMFORT Ensure adequate thermal comfort in recreation Open Spaces and pedestrian zones within the Site.

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37 Subsidised Sale Flats Development at Fat Tseung Street West, Sham Shui Po

38 Key features: - 3-storey void at main entrance for better wind permeability & visual link to the surrounding areas - Block dispositions enables the deferred closing of the existing playground to minimize the disruption to public services

39 Key features: - 3-storey void at main entrance for better wind permeability & visual link to the surrounding areas - Block dispositions enables the deferred closing of the existing playground to minimize the disruption to public services - Covered walkway system & a vehicle free environment in external areas - Footbridge connects to the public open spaces, retails, community facilities, covered pedestrian network & transportation hub - Efforts in public engagement, care for the community & integration with the neighbourhood

40 Transformation of EMSD Headquarters into a Green Building, Kowloon Bay

41 Since BEAM Plus ND certification is a holistic approach, the limitations on existing buildings in a sustainable neighbourhood can be compensated by providing other strategies: - Modification of the Piazza to a green and sustainable area for public use

42 Since BEAM Plus ND certification is a holistic approach, the limitations on existing buildings in a sustainable neighbourhood can be compensated by providing other strategies: - Modification of the Piazza to a green and sustainable area for public use - Revamp of Education Path into a more innovative, creative and sustainable Education Path to promote sustainable lifestyle - Vertical Greening for internal and external walls to enhance ecological value - Connection to Kai Tak District Cooling System to enhance energy efficiency in space cooling

43 The higher the building, the more the liveable green spaces

44 Environmentally-driven considerations, including light, air and view

45 Socially-oriented considerations, creating sense of neighbourhood with good accessibility and connectivity

46 Doorstep gardens stimulate intimate touch with greenery in daily life

47 Amenities and green spaces to be liveable and enjoyable by daily frequent users

48 Residents were willing to pay more for the green spaces based on their pragmatic needs than moral or altruistic

49 More importantly, children are allowed to play outdoors with their neighbouring friends and nature

50 Create a vibrant public realm for our community!