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When greening is carried out on several fronts, beyond a single issue or building component, the approach is described as holistic.
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The ventilation of multi-purpose hall relies on
extractor fans powered by solar energy | |
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The Community Club will be a 4-storey building consisting of five blocks that will be linked together by covered corridors and roof terraces. Occupant health is addressed here in terms of air quality through choice of materials. Special attention is paid to occupant comfort in areas where there is significant daylight entry. Where possible, products with recycled content are used. Several distinctive ‘green’ features are introduced in the building. The eco-toilet relies on natural ventilation, daylight and plants (for privacy screening). The Multipurpose Hall operates on energy generated by roof-mounted photovoltaic panels, used to power extractor fans that ventilate its space. Roof areas above the Hall are made useful through landscaping, which acts to reduce heat transmission through the building’s envelope and outdoor green spaces. | |
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| A daylight study of the Library and Canteen areas exploring strategies for improving daylight distribution | |
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The High School will have 35,000 m² of gross floor area, consisting of teaching spaces and a hostel. CPGreen has been engaged to provide a spectrum of services: |
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Daylight Reliance Studies
For classroom and hostel floors, assessing availability of natural light, minimising risk of visual discomfort. Other critical areas include staff offices and the library |
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Solar Exposure
Focus on the effectiveness of shading in all key spaces on campus |
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Environmental Technologies
Appropriateness of grey water recycling, rainwater harvesting and solar hot water systems |
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Green Materials Selection
Strategy for widespread use of green materials across the campus buildings |
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Building as Learning Tool
Using the buildings to teach sustainability, by way of lesson plan on solar energy, the weather and eco-cycles in nature |
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User Management
Propose metering, user-control of energy use equipment and other occupant management strategies | | |
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Insolation studies under Singapore sky for two massing options, seeking strategies to reduce
urban heat buildup and improve utilisation of
outdoor spaces
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This university campus expansion includes addition of new teaching and staff blocks. The scope of green consultancy includes a review of energy and water consumption, occupant health and comfort, materials selection and waste management.
The study is divided into three phases: |
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Benchmarking
Selected buildings on campus are evaluated in terms of their resource consumption, in particular energy, water and materials.This creates performance targets for the new developments |
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Passive Design Opportunities
Passive design opportunities are reviewed in terms of their impact on the performance of buildings.This includes solar insolation, sunpath movement and daylight studies |
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Features, Materials and Systems
Identify products and systems affecting environmental performance of development | | |
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| Annual climate swings and sun-path movement suggest which times of year and facades require better insulation against incident radiation and ambient temperatures | | |
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In this project, the design team wanted environmental strategies that would reduce the energy use. Summers in New Delhi are exceedingly hot and dry. Winters are cold but relatively mild, while spring and autumn are comfortable without the need for HVAC assistance. To cope with these climatic variations, three comfort modes were devised for the new building: |
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Spring/Autumn Mode
Many spaces will be naturally ventilated. Where this is not possible, a mechanical ventilation system is proposed |
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Winter Mode
Southern facades are designed with large windows to aid passive heating. Deciduous trees are selected for gardens in and around the building; by shedding leaves in winter, these permit greater access of sunlight |
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Summer Mode
The same trees offer shade in summer. Sun-exposed facades are designed with smaller windows or with high performance glazing. A series of evaporative cooling towers draw air in and relieve public spaces of heat buildup | |
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The designers here sought to showcase the terminal building envelope as a key environmental interface. CPGreen reviewed the scheme and proposed several strategies to reduce energy reliance: |
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