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<\/a><\/figure>\n\n\n\n<\/a><\/figure>\n\n\n\n<\/a><\/figure>\n<\/figure>\n\n\n\nEnvironmental management has centred on protecting local watercourses and biodiversity, says Kevin Booth, Environmental Officer for Concor. While the rivers in this region are generally small and ephemeral or intermittent rivers they play a vital role as biodiversity hotspots.<\/p>\n\n\n\n
\u201cWe design the layout of our working areas specifically to mitigate our environmental impact, particularly where the watercourses are,\u201d Booth says. \u201cThis is done in compliance with both the project\u2019s environmental management plan (EMP) and its water use licence (WUL).\u201d<\/p>\n\n\n\n
The WUL permits construction work within 32 metres of a watercourse, provided specific requirements outlined in the licence are met. All environmentally high-risk activities, however, must observe this buffer zone \u2013 such as refuelling which carries the risk of spillage and contamination.<\/p>\n\n\n\n
\u201cOur on-site environmental care must always prioritise the soil, organisms, plants, animals and the riparian environment of the watercourses,\u201d he explains. \u201cTo achieve this, we limit our construction footprint as far as possible.\u201d<\/p>\n\n\n\n
The road network \u2013 to reach the sites where wind turbine towers will be placed \u2013 is one of the main infrastructural elements of the project, with the roads themselves occupying a width of 6 to 9 metres. The environmental impact assessment (EIA) allowed a total laydown area of some 18 hectares, but the Concor team strategically planned its laydown zones to reduce the area required, thereby minimising the footprint as far as possible.<\/p>\n\n\n\n
Before any construction began, Concor\u2019s surveyors demarcated the working area with surveying poles, ensuring that all activity is conducted within these zones. He highlights that earthmoving equipment moving outside of this area can severely damage the plant life. <\/p>\n\n\n\n \u201cWithin these servitudes, we carry out a formal \u2018search and rescue\u2019 process to preserve diversity,\u201d he continues. \u201cThis means identifying those plants that are sensitive and moving them out of harm\u2019s way to where they can continue to thrive.\u201d<\/p>\n\n\n\n Each province issues a biodiversity permit that prescribes how the work is to be conducted. As the project traverses both the Western Cape and Northern Cape, the developer secured permits from both provincial authorities, with Concor responsible for executing the permit requirements.<\/p>\n\n\n\n \u201cAfter removing the identified plants from the working areas, we place them in an on-site nursery to help them recuperate before they are transplanted back into the surrounding area,\u201d Booth says. \u201cThe sites for transplanting must be carefully selected as the new position must have comparable topography and geological conditions.\u201d<\/p>\n\n\n\n The search and rescue phase focuses on plants that need protection, as defined by ordinances from national and provincial environmental authorities. The Concor team \u2013 including botanical specialists \u2013 then prepares a detailed report on the plant relocations for the client and the authorities, so that the area can be effectively monitored over time. <\/p>\n\n\n\n \u201cWe conduct this monitoring to ensure that the search and rescue process is successful,\u201d he says. \u201cAll this work is carried out in accordance with our onsite environmental monitoring and inspection plan.\u201d<\/p>\n\n\n\n After the removal of sensitive vegetation, a clear-and-grub is done to remove topsoil \u2013 the ecologically important layer containing organic matter and its own seed bank. Once construction is completed; this material can be returned during rehabilitation – to ensure that indigenous vegetation can regrow.<\/p>\n\n\n\n Stormwater management is another critical element of preserving the environment, Booth explains, especially the separation of clean from \u2018dirty\u2019 water. While clean water refers to rainfall that lands on natural ground and flows off normally, there is also water that picks up sediment from the disturbed ground in the construction areas. <\/p>\n\n\n\n \u201cOur priority is to limit the runoff from the construction areas \u2013 using strategies including silt traps and sandbags,\u201d he says. \u201cThis prevents muddy water from leaving the work areas and finding its way into natural drainage lines.\u201d<\/p>\n\n\n\n The Concor site team follows a dedicated stormwater and erosion management plan, which aligns with the requirements of the WUL. The plan details exactly how the work will be carried out, specifying the drainage systems, cut-off berms and other infrastructure as well as culverts, gabion baskets and rock packing. <\/p>\n\n\n\n With the movement of trucks, excavators and other vehicles on the site and road network, dust invariably becomes an environmental issue. Booth points out that this is mitigated through the application of a dust management plan \u2013 including the regular spraying of roads. <\/p>\n\n\n\n \u201cTo conserve water in a responsible manner, however, we carefully target our water spraying activity for optimal effect,\u201d he says. \u201cThis helps to limit any detrimental impact of dust on communities, vegetation or workers on site.\u201d<\/p>\n\n\n\n He highlights that managing waste is also an ongoing concern for Concor on the Karreebosch Wind Farm project and is governed by a dedicated waste management plan. <\/p>\n\n\n\n Communicating all these plans is as important as drafting them, he emphasises, explaining that the environmental aspects of the project also form part of the induction process for both Concor people and subcontractors. <\/p>\n\n\n\n \u201cEveryone who comes to site undergoes an environmental induction, so that they are aware of management\u2019s requirements and understand what we want to achieve with our planning,\u201d he says. \u201cIt is critical that all stakeholders are on the same page; all our foremen also have copies that they can refer back to when checking for technical details.\u201d<\/p>\n\n\n\n In addition to the main work site where the turbines will be located, the project also includes a 9 km powerline between the wind farm and the connection substation to the main grid. This too required the investment of considerable time and environmental expertise.<\/p>\n\n\n\n \u201cWhile the distance of the powerline itself was less than 10 km, the specialist botanist and her team covered a distance of 150 km over 10 days \u2013 searching for sensitive plants and removing them from the working area,\u201d he says.<\/p>\n\n\n\n He notes that construction clients are increasingly conscious of on-site environmental obligations and value Concor\u2019s proactive detail-driven approach to ensuring full compliance while safeguarding natural resources.<\/p>\n","protected":false},"excerpt":{"rendered":" Mitigating the environmental impacts of construction work needs careful planning and meticulous execution, especially in areas like the Karoo – where vegetation can be more sensitive to disruption and take longer to recover. The 140 MW Karreebosch Wind Farm, being developed by Cennergi Holdings and G7 Renewable Energies between Matjiesfontein and Sutherland, will supply power … Continue reading CONCOR NURTURES KAROO BIODIVERSITY AT KARREEBOSCH WIND FARM PROJECT<\/span> <\/a><\/figure>\n\n\n\n<\/a><\/figure>\n\n\n\n<\/a><\/figure>\n<\/figure>\n\n\n\n