l The Contractor’s waste management practices and effectiveness shall be audited by the ER on a regular basis;
l The Contractor shall provide training for site staff on the concept of site cleanliness and appropriate waste management procedures, including waste reduction, reuse and recycling;
l The Contractor shall use trucks with covers for the open-box bed or with enclosed containers to minimise windblown litter and dust during transportation of waste. The Contractor shall also implement regular cleaning and maintenance programme for drainage systems;
l Segregation and storage of different waste type shall be implemented through the provision of various containers, skips or stockpiles to enhance reuse or recycling of materials and their proper disposal. Recyclables such as aluminium cans, paper and plastics bottles generated by the workforce shall also be segregated from general refuse. Chemical waste shall be separated for special handling and disposal at designated Chemical Waste Treatment Facility (CWTF);
l Under the Waste Disposal (Chemical Waste) (General) Regulation, the Contractor shall register with EPD as a Chemical Waste Producer if there is any use of chemicals on site including lubricants, paints, diesel fuel, etc. Only licensed chemical waste collectors shall be employed to collect any chemical waste generated on site. The handling, storage, transportation and disposal of chemical wastes shall be conducted in accordance with the Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes and A Guide to the Chemical Waste Control Scheme both published by EPD;
l The reuse/ recycling of all materials on site shall be investigated prior to treatment/disposal off site;
l Wheel washing facilities shall be used by all trucks leaving the site to prevent transfer of mud onto access roads;
l Open burning of wastes shall be prohibited;
l The contractor shall propose a recording system for the amount of wastes generated, recycled and disposed of (including the disposal sites), and the ET Leader shall include a summary of such information in each monthly EM&A Report;
l All chemical toilets shall be regularly cleaned and the nightsoil collected and transported by a licensed contractor to a Government Sewage Treatment Works facility for disposal;
l All waste materials shall be sorted on site, and where the materials will be recycled or reused, on-site or off-site, these shall be identified and segregated by the Contractor. In the event of the materials to be recycled or reused off-site, the Contractor shall make arrangements for the collection of the recyclable materials. Any remaining non-inert waste shall be collected and disposed of to the landfill;
l Good site practices shall be adopted from the commencement of works to avoid the generation of waste, reduce cross contamination of waste and to promote waste minimisation practices; and
l Tool-box talks should be provided to workers about the concepts of site cleanliness and appropriate waste management procedures, including waste reduction, reuse and recycling.
l Avoid the use of wooden hoarding and substitute with metal hoarding to facilitate recycling;
l Establish a trip-ticket system at the outset of the construction of the helipad in accordance with DevB TC(W) No.6/2010 and Waste Disposal (Charges for Disposal on Construction Waste) Regulation in order to monitor the disposal of C&D Waste which cannot be reused or recycled to landfills, and control fly-tipping;
l Sort construction debris and excavated materials on-site to recover reusable/ recyclable portions (i.e. soil, broken concrete, metal, etc.) for backfilling and reinstatement; and
l Stockpiling is not envisaged, however if it becomes unavoidable, stockpiling in any vegetated areas shall be avoided (as far as possible) and shall be covered with tarpaulin and/or watered to prevent windblown dust and/or surface runoff.
l Chemical Waste shall be handled in accordance with the “Code of Practice on Packaging, Handling and Storage of Chemical Wastes.
l A sufficient number of covered bins shall be provided on site for the containment of general refuse to prevent visual impacts and nuisance to sensitive receivers. These bins shall be cleared daily and the collected waste disposed of to the refuse transfer station. Further to the issue of DevB TCW No. 8/2010, Enhanced Specification for Site Cleanliness and Tidiness, the Contractor is required to maintain a clean and hygienic site by performing daily cleaning and weekly tidying throughout the project works; and
l Provide waste separation facilities for paper, aluminium cans, plastic bottles, etc.