Published on March 4, 2014
Hong Kong Green Building Checklist by John A. Herbert www.kelcroftasia.com March 2014
GREEN INVESTMENT Investment Planning Triangle First focus on design related to building, micro-climate, and envelope to minimise energy consumption, then optimise the engineering systems, and finally special features such as renewable energy. Features Systems Building Envelope
COMMUNITY • Developments inhibit or contribute to the establishment of strong communities and neighbourhoods, create cohesive communities • Multi-use provide residential, commercial, mixed use developments reducing travel emissions, providing local employment, and healthier district eco-communities • Educate the occupants, stakeholders, explain the eco-features and how to use facilities, for example must separate and recycle (see training) • Create spaces for local scale social business opportunities in the community for the community, and or art/exhibition spaces
TRANSPORT • Having multi-use providing residential, commercial, mixed use developments reduces travel emissions, providing local employment, and healthier district eco-communities • Nearest MTR/Cycle paths • EV charging facilities
WATER SYSTEMS • • • • • • • • • • • Construction entry and vehicle wash with recycled water Specify water efficient fixtures and equipment Water efficient landscaping minimizing the use of potable water for irrigation, use high efficiency irrigation technologies, including drip irrigation Drainage system infrastructure for separate black water, greywater, and rainwater including storage tanks Use alternate water sources, greywater, or rainwater harvesting for flushing water, irrigation, cooling tower make-up water, fountain make-up water Collect air conditioning condensate for reuse Salt water reduction – use toilet cisterns with lower water volume, sensors for urinals, reducing the burden on municipal waste water systems Control storm water run off control during construction Provide twin water tanks to facilitate periodic maintenance inspection and cleaning without service interruption Use cooling tower blowdown water for reuse, for flushing water or non potable purposes Manage risk, control Legionella
MATERIALS • before breaking ground plan for demolition and reuse of all materials • Specify products that have recycled material • Use local materials minimizing emissions related to import and long distance transportation • Choose Rapidly Renewable Materials such as bamboo, and cork • Specify low/no VOC materials for example adhesives, sealants, coatings, composite products and carpet systems • Avoid use of pesticides and other chemicals that may leach into the land and or groundwater • Manufacturing is very energy-intensive, durable products and materials with lower replacement frequency have lower impacts and reduce transportation impacts. • Select building materials that will require little maintenance (painting, retreatment, waterproofing, etc.), or whose maintenance will cause minimal environmental impact.
GLOBAL WARMING POTENTIAL • Choose materials, including building insulation, engineering system insulation and refrigerants with the lowest environmental impact or choose cooling systems without traditional HCFC refrigerants; • Eliminate the use of CFC’s
PROCUREMENT • Procurement and environmental management policy based on environment impact above financial considerations • Procurement to minimise excessive packaging and packaging waste • Demand products and services with producer responsibility
COMMISSIONING • Commissioning ensures that the building and its engineering systems are calibrated to operate as intended verified by independent third party quality control assurance. • Design for future recommissioning requires best practice thinking and exemplary records and documentation
TRAINING • Train building operators, employees, and buildings users in building facilities use • Invest for occupant buy-in • Encourage recycling waste, etc. to match the facilities provided
HVACR SYSTEMS • Flexible for the range of conditions (prevailing weather, occupancy) • Provide local controllability for individual control of the thermal, ventilation and lighting Condition only the occupied zone, locate control elements and sensors locally in the occupied zone • Create landscaped micro-climate areas particularly around entrances/air intakes (refer streetscape) • Reduce energy consumption while maintaining minimum required ventilation for occupant comfort, for example using VSDs on fans, motors, and other mechanical equipment • Use enthalpy wheel, heat pipe, run-around loop or other energy recovery devices to recover energy from the air exhaust for precooling or pre-heating the primary air • Choose Economiser for off peak cooling
Domestic Hot Water
DOMESTIC HOT WATER • Install high-efficiency domestic hot water installation for the application • Eliminate dead-legs to prevent water waste
LIGHTING INSTALLATION • • • • Consider Natural light Install high-efficiency lighting fittings Provide usable local daylight control system Air-conditioned spaces - Lower lighting energy consumption also lowers cooling demand
APPLIANCES • Choose high efficiency energy and or water labelled appliances for economic and environmental advantages over conventional equipment
WASTE • Plan for future and flexibility • Deliver flexible waste management infrastructure for waste streams today and tomorrow, creating collection and recycling spaces to suit community scale projects • Zero landfill, use of “waste” for creating biofuel, compost, or as raw material (glass) for ecoblocks, furniture, etc. that are demanded, used locally, and can be reused/recycled • Provide open house facilities, transparent operation, involve education, local schools and institutes
PRODUCTIVITY • Provide human scale connection between the indoor spaces and outdoor environment through the introduction of sunlight and views in a glarefree way. • Design courtyard, atrium, clerestory windows, skylights, and light shelves. • Provide landscaped area, common area, sky gardens, and or terrace spaces with human scale connection to the environment, spaces to suit the climate and usage during summer/winter. • Encourage e-management, interface for local climate control, to reduce paper systems
HEAT ISLAND • Eliminate or shade paving area, and dark roof surfaces, and or • Provide vegetation green roof areas (which also assists storm water management) and or • Cool roof with reflective surface (which assists cooling demand)
LIGHT POLLUTION • Eliminate light trespass from the building, development and site, lowering disturbance to the community, neighbourhood and improving night sky access
RESTORATION • • • • Restore damaged ecosystems Avoid wetlands, pristine areas Preserve/create wildlife habitat Increase biodiversity
SITE SELECTION • Proximity to public transportation hub/interchange MTR reduces time and emissions for building users travel, encourage walk-ability and local cycling paths • Availability of local facilities and stores minimises costs for travel and emissions • Brownfield sites, avoid using any virgin land, park lands, wetlands • Preserve prevailing wind and view corridors
MASSING • Building envelope form to encourage seasonal prevailing wind passage • Avoid shapes and forms that create high velocity flow areas or and stagnate zones for all pedestrian level areas (used or unused) • re-purposing an existing structure is the most sustainable option, create flexibility for future usage
STREETSCAPE • Design flexible human scale spaces for the community to encourage exchange interaction, not the convenience of managers • Provide accessible water features for local, microclimate • create alfresco dining opportunities creating local business and employment • Space for art, culture, sculptures, and street furniture from recycled materials • Green landscape areas are required, however it should have smart irrigation system
EXPERTISE John A. Herbert BEAM Pro, GGP, FCIPHE, MASHRAE, MAEE, HKAEE email@example.com
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