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Drainage Services Department - Sustainability Report 2013-2014

Meeting the Targets / On Environmental Issues

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Sub-sections in Meeting the Targets

[On Environmental Issues] [On Social Issues] [Our Routine Services]

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To strive for continual improvement in sustainability performance, DSD has set out a number of targets to track our performance in various aspects. In 2013-14, we have met most of our targets regarding environmental protection, social performance and service quality. Details of our achievements during the year and the targets for 2014-15 are presented in the following tables.

On Environmental Issues

DSD is mindful of the environmental impacts of our daily work, and the staff members are thus regularly reminded to conserve resources and improve environmental quality through our work. In 2013-14, we have met most of the targets and marginally missed two.

Environmental Targets 2013-14 Achievements
Adopting state-of-the-art clean technologies and pollution prevention measures
Adopt Three new clean technologies or pollution prevention measures in the next three years Progress satisfactory. Two new green technologies, i.e. rainwater harvesting and biogas desulfurisation, have been adopted.
Conduct three research and development (R&D) items for clean technologies The four R&D items for clean technologies are as follows:
  1. Micro-turbine generator in Yuen Long Sewage Treatment Works (STW);
  2. Pilot trial on application of ultrasound pretreatment for anaerobic sewage treatment digestion in Hong Kong;
  3. Recycling use of vegetation materials removed during river maintenance; and
  4. Study on implementing sustainable drainage design at Stonecutters Island STW.
Integrating sustainability considerations into the design, construction and operation of our facilities
Achieve 100 per cent compliance with the statutory environmental impact assessment (EIA) process 100 per cent compliance with statutory EIA process achieved.
Meet with green groups/academics at least twice each year to consider sustainability matters A regular informal meeting has been established with the green groups.
Use reclaimed water at 1,400 cubic metres per day The use of reclaimed water was at an average of 1,150 cubic metres per day.
Conduct five new carbon audits In total, five new carbon audits were conducted.

Four new carbon audits were completed for Sha Tau Kok STW, Stanley STW, works contract “Drainage Improvement Works in Pok Fu Lam Road, Mount Butler and Happy Valley” and “Upgrading of Pillar Point STW”.

One new carbon audit for works contract “Upgrading of Mui Wo STW and Sewerage at Mui Wo Town Centre and Wang Tong ” is in progress.
Minimizing and mitigating environmental impacts arising from the construction and operation of our facilities
Build 4,900 square metres green roof 4,902 square metres of green roof were built.
Plant 1,900 trees and 320,000 shrubs 2,169 trees and 328,024 shrubs were planted.
Meeting all statutory and regulatory requirements on environmental performance that are applicable to the activities of DSD
Achieve 100 per cent compliance under environmental legislation Our contractors were convicted of two offences under the Air Pollution Control Ordinance and the Noise Control Ordinance. There was also one case of noncompliance under the Water Pollution Control Ordinance at Yuen Long STW.
Devising and conducting internal operations in an environmentally responsible manner
Reduce paper consumption by another two per cent to 12,088 reams 10,520 reams of paper were consumed, which was only 87 per cent of the annual targeted consumption.
Save energy of 2.12 million kilowatt-hours which is equivalent to 0.9 per cent energy consumption of the base level in 2006-2007 The actual saving was 2.26 million kilowatt-hours.
Increase the total mileage of electric vehicles by 20 per cent There was a 65 per cent increase in total mileage of electric vehicles.
DSD Environmental Targets 2014-15
Adopting state-of-the-art clean technologies and pollution prevention measures
Adopt three new clean technologies or pollution prevention measures within a three years period starting from 2013-14
Conduct three R&D items for clean technologies
Integrating sustainability considerations into the design, construction and operation of our facilities
Achieve 100 per cent compliance with the statutory EIA process
Meet with green groups/academics at least six times each year to consider sustainability matters
Use 1,400 cubic metres of reclaimed water or harvested water per day by the end of 2014-15
Conduct two new carbon audits and five surveillance carbon audits
Minimizing and mitigating environmental impacts arising from the construction and operation of our facilities
Build 5,000 square metres green roof and 100 square metres vertical greening
Plant 2,100 trees and 390,000 shrubs
Meeting all statutory and regulatory requirements on environmental performance that are applicable to the activities of DSD
Achieve 100 per cent compliance under environmental legislation
Devising and conducting internal operations in an environmentally responsible manner
Reduce paper consumption by another two per cent
Save energy of 1.26 million kilowatt-hours which is equivalent to 0.5 per cent energy consumption of the base level in 2006-07
Increase the total mileage of electric vehicles by 20 per cent
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