SUSTAINABILITY STATEMENT Our waste handling process for every type of waste disposed from our operations is presented below. Sewage and Greywater • Sewage and greywater are collected in designated tanks, supplied and plumbed, and attached to ablution and lunchroom facilities. • Tanks are emptied regularly by an authorised contractor. Scrap metal • Scrap metal, including copper, is collected in a scrap metal skip. • Scrap metal is collected or replaced by a contractor as appropriate. General Waste • Scrap timber and large general waste items are collected in a general waste skip. • Smaller or lighter general waste items, waste paper and food waste are collected in local, lined bins. Waste is fully contained and tied with suitable garbage bags upon emptying before being placed in the general waste skip to prevent it from being blown by the wind. • The general waste skip is emptied by a contractor as appropriate. Recyclable containers • Aluminium cans and plastic bottles are deposited in a designated recycling bin for donation. Waste paint • Waste paint is fully hardened in its original container and disposed of as per SDS requirements, such as general waste or by an authorised contractor. Oily rags • Oily rags are stored in a designated oily rag receptacle. • Maintenance operations have processes to dispose of oily rags. Hydrotest water • Hydrotest water is collected. • The greywater system can dispose of untreated test water of fewer than 100 litres. Operations confirm greywater can handle the volume at the time of disposal. Third parties may dispose of it if the site cannot handle the additional volume. Waste Condensate • An authorised contractor collects condensate waste in suitable containers for transport and disposal. • We provide a bundled storage area for waste containers awaiting collection. Waste Amine • An authorised contractor collects amine waste in suitable containers for transport and disposal. • We provide a suitable, bundled storage area for waste containers awaiting collection. Soil/spoil • A civil contractor removes soil and spoil from the site, transporting them for disposal at an authorised facility. Waste concrete • A civil contractor removes waste concrete from the site, transporting them for disposal at an authorised facility. Contaminate soil • Contaminated soil, where it arises, is removed and stockpiled for disposal at a suitably licensed facility. Noise Boundary Monitoring The noise produced during the construction, operations and decommissioning of large infrastructure projects can potentially impact nearby noise-sensitive receptors. The Group complies with the Environmental Quality Act 1974. We also conduct boundary noise monitoring at a few points along the perimeter of our operations to align with approval conditions of Environmental Impact Assessments (EIA). In 2022, all noise levels were within 65 dBA, the level stipulated by the Department of Environment. Wah Seong Corporation Berhad Annual Report 2022 26
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