Drainage Services Department - Sustainability Report 2018-19

Meeting the Targets

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Meeting the Targets

This appendix summarised the objectives and their overall performance of our department’s environmental, social and routine services during the year. Looking ahead to the year 2019-20, we will continue to set targets to monitor and ensure the quality of our work and services so as to demonstrate the commitment to sustainability to our stakeholders and Hong Kong.

On Environmental Issues

Environmental Targets 2018-19	Achievement	Environmental Targets 2019-20
Developing smart technologies, optimizing operations, introducing innovative measures to enhance effectiveness and efficiency, minimize environmental impacts and meet public expectations
Starting from 2016-17, adopt three new sustainable technologies within a three-year period	The progress is promising. DSD adopted three items, including a solar farm with an installed generation capacity of 1,100 kilowatt at Siu Ho Wan Sewage Treatment Works (STW), cooling energy saving design in switchrooms and pilot trial of food waste and sewage sludge co-digestion technology in Tai Po STW.	Adopt three new sustainable technologies within a three-year period starting from 2019-20
Conduct three Research & Development (R&D) items for optimization and innovation technologies	Target met. Three R&D projects have been commissioned: Adsorption Cooling System adopting Superhydrophilic-nanostructured Composite Surfaces for Use in a Cavern, Demand Control Ventilation System in Cavern and Odour Removal from Chemically Enhanced Primary Treatment sludge using Hydrogel.	Same as 2018-19 targets
Meet with community groups/green groups/ academics at least six times each year to consider sustainability matters	Target met. No less than six meetings/forums/community activities were conducted.	Same as 2018-19 targets
Integrating sustainability measures and climate change mitigation, adaptation and resilience considerations through improving energy efficiency, utilizing renewable energy, reducing carbon and pollution emissions, and achieving water economy, water reclamation and reuse
Double the mileage percentage of electric vehicles to all vehicles from 6% to 12% in three years starting from 2016-17	Target met. In 2018-19, 12% of the total mileage of work transportation used electric vehicles.	Increase the mileage percentage of electric vehicles to all vehicles to 13% in three years starting from 2019-20
Conduct one new carbon audit and six surveillance carbon audits	Target met. We conducted one new carbon audit and six surveillance carbon audits.	Conduct seven surveillance carbon audits
Further save 0.6 million kilowatt-hours from process optimization and use of renewable energy	Target met. We saved more than 0.9 million kilowatt-hours which exceeded the target level	Further save 2.7 million kilowatt-hours from process optimization and use of renewable energy
Use an average of 1,500 cubic meters of reclaimed water or harvested water per day	Target met. During the year, we used an average of about 1,980 cubic meters of reclaimed water or harvested water per day.	Same as 2018-19 targets
To achieve zero growth of paper usage from 2017-18 level	Target met. 9,223 reams of paper were used (Achieved zero growth of paper usage i.e. consumed 16 reams less than 2017-18 level).	To achieve zero growth of normalized paper usage from 2018-19 level
Developing blue-green infrastructure, maximizing greening, conserving ecosystems and enhancing community health, liveability and biodiversity
Build 3,000 square metres of green roof and 150 square metres of vertical greening	Target partially met. We completed 2,028 square metres of green roof and 278 square metres of vertical greening	Build 2,000 square metres green roof and 150 square metres vertical greening
Plant 2,000 trees and 60,000 shrubs	Target partially met. We planted 64 trees and 20,181 shrubs ^{(Note: Due to the variation between the actual and estimated progress of some new projects, we fell short to attain the planting numbers during the year. The Department will review the progress of the new projects regularly to ensure the target could be reached in the future.)}	Plant 12,000 trees, bamboos or shrubs
Meeting all statutory and regulatory requirements on environmental performance in our projects and operations
Fully comply with the statutory EIA process	Target met	Same as 2018-19 targets
Fully comply with environmental legislations	Target not met. There was one exceedance of Water Pollution Control Ordinance (WPCO) license standard in the year.	Same as 2018-19 targets

On Social Issues

Social Targets 2018-19	Achievement	Social Targets 2019-20
Minimising accident rate for DSD staff		Same as 2018-19 targets
Maintain not more than 10 occupational injuries per 1,000 staff per year	Target met. 4.6 occupational injuries per 1,000 staff per year were reported in the reporting period.
Minimising the accident rate for DSD’s contractors
Maintain less than 0.6 reportable accident per 100,000 man-hours	Target Met. 0.09 reportable accident per 100,000 man-hours of DSD’s contractors in the reporting period.
Maintaining occupational safety and health awareness of professional, technical and site supervisory staff, consultants and contractors with in-house briefing
Organise at least two in-house workshops on safety and health	Target met. Two in-house workshops on safety and health were organised.
Promoting the awareness on occupational safety and health amongst contractors
Maintain DSD’s contractors of at least 80% of eligible new works contracts and 30% of eligible maintenance term contracts, have participated in Development Bureau’s Considerate Contractors Site Award Scheme (CCSAS)	Target met. All of the 18 contractors of eligible new works contracts participated in CCSAS while out of the 11 contractors of eligible maintenance term contracts, nine (82%) of them participated in the Scheme.

Our Routine Services

Service	Pledge	Achievement Target 2018-19	Achievement	Performance Achievement Target 2019-20
Clearance of blocked sewers/drains	Respond within the same day for complaints received before 1 pm	99%	99.19%	Same as 2018-19 targets
	Respond before noon of next day for complaints received after 1 pm	99%	99.30%
	Customers satisfy with the clearing work¹	95%	99.66%
Technical audit for connection to the public drainage/sewerage systems	Reply to the applicant within nine working days upon receipt of HBP1 application	99%	100%
Response to written enquiries on sewage services accounts	Initial respond within two working days	100%	100%
Response to written enquiries on sewage services accounts	Full reply within a month	98%	100%
Response to complaints	Respond within ten calendar days	98%	98.95%
Provision of drainage record plans	Allow inspection of drainage record plans within the same day	95%	100%
Provision of drainage record plans	Provide photocopy of drainage record plans within four working days upon confirmation of payment	95%	100%
On-site display of the purpose and anticipated completion date of drainage works involving road excavation	A simple description of drainage works with anticipated completion date will be displayed on site to enable the public to understand why the works are necessary and when they will be completed	98%	99.19%

¹	The customer satisfaction survey on the clearance of blocked sewers/drains is conducted once a week by selecting the respondents randomly.

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[Executive Summary] [Traditional Chinese Version] [Simplified Chinese Version] [Graphical Version] [Verification Statement] [Feedback Form] [Meeting the Targets] [Key Statistics and Data] [GRI Content Index] [Sitemap]