{"id":445,"date":"2022-10-05T22:02:48","date_gmt":"2022-10-05T14:02:48","guid":{"rendered":"https:\/\/epd.sabah.gov.my\/virsop\/?page_id=445"},"modified":"2022-12-09T16:55:42","modified_gmt":"2022-12-09T08:55:42","slug":"environmental-condition-control-of-surface-runoff-and-water-quality-pollution","status":"publish","type":"page","link":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/","title":{"rendered":"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution"},"content":{"rendered":"\n\t<section class=\"section\" id=\"section_886245025\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1850438085\">\n\n\n\t<div id=\"col-516630114\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<a href=\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/\" target=\"_self\" class=\"button primary is-small\"  style=\"border-radius:10px;\">\n  <i class=\"icon-angle-left\" ><\/i>  <span>BACK<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1556400745\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h5 style=\"text-align: right;\"><a href=\"https:\/\/epd.sabah.gov.my\/virsop\/\">HOME<\/a> \/\u00a0 <a href=\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/\">SOP<\/a> \/ 2. ENVIRONMENTAL CONDITION: CONTROL OF SURFACE RUNOFF AND WATER QUALITY POLLUTION<\/h5>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_886245025 {\n  padding-top: 45px;\n  padding-bottom: 45px;\n}\n#section_886245025 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_886245025 .ux-shape-divider--bottom svg {\n  height: 150px;\n  --divider-width: 100%;\n}\n@media (min-width:550px) {\n  #section_886245025 {\n    padding-top: 65px;\n    padding-bottom: 65px;\n  }\n}\n@media (min-width:850px) {\n  #section_886245025 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_924225552\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-139557169\">\n\n\n\t<div id=\"col-1607419771\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-935751322\" class=\"text\">\n\t\t\n\n<p style=\"text-align: left;\"><strong>Development activities lead to soil erosion, which degrades water quality by increasing turbidity levels and total suspended solids. Temporary drainage systems as well as erosion and sediment control structures shall be provided to control and provide effective retention and discharge of sediment runoff.<\/strong><\/p>\n<div id=\"row-541552547\" class=\"row\" style=\"text-align: left;\">\n<div id=\"col-4204848\" class=\"col medium-4 small-12 large-4\">\n<div class=\"col-inner\">\n<p><strong>Target<\/strong><\/p>\n<\/div>\n<\/div>\n<div id=\"col-1711190890\" class=\"col medium-8 small-12 large-8\">\n<div class=\"col-inner\">\n<p><strong>Protection of water quality by minimising erosion and sedimentation impact.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"row-2055012634\" class=\"row\" style=\"text-align: left;\">\n<div id=\"col-1638025219\" class=\"col medium-4 small-12 large-4\">\n<div class=\"col-inner\">\n<p><strong>Standard Operating Procedures<\/strong><\/p>\n<\/div>\n<\/div>\n<div id=\"col-964501782\" class=\"col medium-8 small-12 large-8\">\n<div class=\"col-inner\">\n<h4><strong>2.1 LAND<\/strong><\/h4>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"row-1865432337\" class=\"row\">\n<div id=\"col-2118354303\" class=\"col small-12 large-12\">\n<div class=\"col-inner\">\n<p style=\"text-align: left;\"><strong>2.1.1 Refer to the EIA\/PMM, AEC\/MD and latest mitigation measures map approved by the EPD. Check and identify:<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>i. Runoff management and sediment control facilities i.e., temporary earth drains, check dams, silt fences, silt traps and sediment basins etc., to be provided at the site.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>ii. Specifications, locations and sequences in the provision of runoff management and sediment control facilities.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.2 Construct runoff management and sediment control facilities at the site prior to carrying out earthwork activities. Below are general sequences for providing the facilities.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>i. Mark site and\/or buffer boundaries based on SOPs detailed in Environmental Condition: Control of Site Development.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>ii. Construct temporary perimeter earth drains and sediment basins prior to carrying out earthwork activities. Refer to Figure 5.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>iii. Connect temporary earth drains to the sediment basin to divert all surface runoff into it.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n\t\t\n<style>\n#text-935751322 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-1191852579\">\n\n\n\t<div id=\"col-207396924\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1191377343\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/2-2.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"538\" height=\"328\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/2-2.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1191377343 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_1191377343 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Figure 5: Illustration of earthwork activity by stages.<\/strong><\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1560127149\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/3-3.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"535\" height=\"459\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/3-3.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/3-3.png 535w, https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/3-3-466x400.png 466w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1560127149 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_1560127149 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Figure 6: Typical design of a Sediment Basin (1).<\/strong><\/p>\n<p><strong>Source: Urban Stormwater Management Manual for Malaysia, 2nd Edition, DID 2012.<\/strong><\/p>\n<div class=\"row\"  id=\"row-215303770\">\n\n\n\t<div id=\"col-788920729\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_466921651\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/4.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"540\" height=\"498\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/4.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/4.png 540w, https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/4-434x400.png 434w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_466921651 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_466921651 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Figure 7: Typical design of a Sediment Basin (2).<\/strong><\/p>\n<p><strong>Source: Urban Stormwater Management Manual for Malaysia, 2nd Edition, DID 2012.<\/strong><\/p>\n<div class=\"row\"  id=\"row-704493595\">\n\n\n\t<div id=\"col-719565545\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1442685728\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/5.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"541\" height=\"245\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/5.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1442685728 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_1442685728 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Figure 8: Typical design of a Silt Trap.<\/strong><\/p>\n<p style=\"text-align: center;\">\u00a0<\/p>\n<div class=\"col-inner\">\n<p style=\"text-align: left;\"><strong>2.1.4 No construction of runoff management and sediment control facilities in rivers or watercourses.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.5 Conduct site clearing at the targeted phase of the development site based on the development schedule.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.6 Conduct earthwork activities in stages at the targeted phase of the development site and avoid conducting activities during rainy days.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.7 Compact exposed surfaces i.e., backfill areas, construct slope embankments, road base, etc., to reduce soil erosion.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.8 Conduct maintenance (sediment removal or desiltation by excavation) on sediment control facilities i.e., temporary earth drains, check dam, and sediment basin, periodically with increasing frequency after each rain event.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.9 Start applying temporary soil stabilisation methods to exposed areas after reaching final formation level on any portion of the site. Install plastic sheet covers or geotextile mats as temp<\/strong><strong>orary soil stabilisation measures.<\/strong><\/p>\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-658804853\">\n\n\n\t<div id=\"col-212460129\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_588002421\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/6.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"563\" height=\"427\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/6.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/6.png 563w, https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/6-527x400.png 527w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_588002421 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_588002421 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Plate 7: Example of plastic sheet cover.<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1270704691\">\n\n\n\t<div id=\"col-1138033559\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1063085001\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/7-1.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"562\" height=\"394\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/11\/7-1.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1063085001 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_1063085001 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Plate 8: Example of geotextile mat.<\/strong><\/p>\n<p><strong>Source: Urban Stormwater Management Manual for Malaysia, 2nd Edition, DID 2012.<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1418665860\">\n\n\n\t<div id=\"col-456737166\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p style=\"text-align: left;\"><strong>2.1.10 Plant cover crops on exposed surfaces e.g., Mucuna bracteata, Brachiaria ruziziensis, etc. to reduce soil erosion.<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-415363702\">\n\n\n\t<div id=\"col-942049577\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_76472176\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/8.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"563\" height=\"428\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/8.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/8.png 563w, https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/8-526x400.png 526w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_76472176 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_76472176 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><strong>Plate 9: Example of geotextile mat.<\/strong><\/p>\n<p><strong>Source: Urban Stormwater Management Manual for Malaysia, 2nd Edition, DID 2012.<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-329150413\">\n\n\n\t<div id=\"col-819115452\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p style=\"text-align: left;\"><strong>2.1.11 Refer to SOPs contained in\u00a0Environmental Condition: Slope Stabilisation\u00a0if cover crops are not suitable due to slope surface type, such as rocky slopes.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.12 Place any earth materials stockpile (either imported from borrow pit or excavated at the site) at a minimum distance of 30 metres from any watercourse to avoid potential soil migration or the distance specified in the AEC \/ MD.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.13 Provide temporary perimeter controls at the earth materials stockpile, such as berms, and cover the materials with canvas sheets.<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-604696244\">\n\n\n\t<div id=\"col-388553356\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_353187455\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/9-1.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"544\" height=\"410\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/9-1.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/9-1.png 544w, https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/9-1-531x400.png 531w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_353187455 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_353187455 {\n    width: 70%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p style=\"text-align: center;\"><strong>Plate 10: Example of loose earth materials covered with canvas sheets.<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>Source: Guidelines on Land Disturbing Pollution Prevention and Mitigation Measures, 2017<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1120093211\">\n\n\n\t<div id=\"col-1024538169\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p style=\"text-align: left;\"><strong>2.1.14 No disposal of earth, biomass waste, sediment, solid waste, sewage or scheduled waste into the drainage, river or waterway.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.1.15 Refer to the Malaysian Standard listed in\u00a0Appendix 1\u00a0for additional reference on erosion and sediment control system.<\/strong><\/p>\n<h3 style=\"text-align: left;\"><strong>2.2 SEA<\/strong><\/h3>\n<p style=\"text-align: left;\"><strong>2.2.1 Install\/construct sediment plume control systems, such as silt curtains and\/or embankments, prior to reclamation\/ dredging\/excavation and cofferdam construction activities.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.2.2 For Projects involving the construction of a cofferdam, install sheet piles for the construction of the cofferdam before commencing reclamation work.<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>2.2.3 Perform visual inspections regularly to determine whether maintenance is required. The following are recommendations for inspection and maintenance activities:<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>i. Check whether the silt curtain is twisted.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>ii. Replace worn or broken anchor lines.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>iii. Remove any solid waste\/dirt caught on the silt curtain.<\/strong><\/p>\n<p style=\"text-align: left; margin-left: 2.5em;\"><strong>iv. Check for any signs of bund breaching<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1387242088\">\n\n\n\t<div id=\"col-1444180512\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1547619728\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" title=\"\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/10.png\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"341\" height=\"453\" src=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/10.png\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/10.png 341w, https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2022\/10\/10-301x400.png 301w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1547619728 {\n  width: 100%;\n}\n@media (min-width:550px) {\n  #image_1547619728 {\n    width: 51%;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n<p style=\"text-align: center;\"><strong>Plate 11: Maintenance of installed silt curtain.<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_924225552 {\n  padding-top: 16px;\n  padding-bottom: 16px;\n  background-color: rgb(250, 250, 250);\n}\n#section_924225552 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_924225552 .ux-shape-divider--bottom svg {\n  height: 150px;\n  --divider-width: 100%;\n}\n<\/style>\n\t<\/section>\n\t\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":742,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution - Interactive Isometric Map<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution - Interactive Isometric Map\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/\" \/>\r\n<meta property=\"og:site_name\" content=\"Interactive Isometric Map\" \/>\r\n<meta property=\"article:modified_time\" content=\"2022-12-09T08:55:42+00:00\" \/>\r\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\r\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\r\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/\",\"url\":\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/\",\"name\":\"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution - Interactive Isometric Map\",\"isPartOf\":{\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/#website\"},\"datePublished\":\"2022-10-05T14:02:48+00:00\",\"dateModified\":\"2022-12-09T08:55:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/epd.sabah.gov.my\/virsop\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Overview\",\"item\":\"https:\/\/epd.sabah.gov.my\/virsop\/overview\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/#website\",\"url\":\"https:\/\/epd.sabah.gov.my\/virsop\/\",\"name\":\"Interactive Isometric Map\",\"description\":\"Environmental Protection Department Sabah\",\"publisher\":{\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/epd.sabah.gov.my\/virsop\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/#organization\",\"name\":\"Environment Protection Department of Sabah\",\"url\":\"https:\/\/epd.sabah.gov.my\/virsop\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2023\/03\/epd-logo.png\",\"contentUrl\":\"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2023\/03\/epd-logo.png\",\"width\":194,\"height\":161,\"caption\":\"Environment Protection Department of Sabah\"},\"image\":{\"@id\":\"https:\/\/epd.sabah.gov.my\/virsop\/#\/schema\/logo\/image\/\"}}]}<\/script>\r\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution - Interactive Isometric Map","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/","og_locale":"en_US","og_type":"article","og_title":"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution - Interactive Isometric Map","og_url":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/","og_site_name":"Interactive Isometric Map","article_modified_time":"2022-12-09T08:55:42+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/","url":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/","name":"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution - Interactive Isometric Map","isPartOf":{"@id":"https:\/\/epd.sabah.gov.my\/virsop\/#website"},"datePublished":"2022-10-05T14:02:48+00:00","dateModified":"2022-12-09T08:55:42+00:00","breadcrumb":{"@id":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/environmental-condition-control-of-surface-runoff-and-water-quality-pollution\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/epd.sabah.gov.my\/virsop\/"},{"@type":"ListItem","position":2,"name":"Overview","item":"https:\/\/epd.sabah.gov.my\/virsop\/overview\/"},{"@type":"ListItem","position":3,"name":"2. Environmental Condition: Control of Surface Runoff and Water Quality Pollution"}]},{"@type":"WebSite","@id":"https:\/\/epd.sabah.gov.my\/virsop\/#website","url":"https:\/\/epd.sabah.gov.my\/virsop\/","name":"Interactive Isometric Map","description":"Environmental Protection Department Sabah","publisher":{"@id":"https:\/\/epd.sabah.gov.my\/virsop\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/epd.sabah.gov.my\/virsop\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/epd.sabah.gov.my\/virsop\/#organization","name":"Environment Protection Department of Sabah","url":"https:\/\/epd.sabah.gov.my\/virsop\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/epd.sabah.gov.my\/virsop\/#\/schema\/logo\/image\/","url":"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2023\/03\/epd-logo.png","contentUrl":"https:\/\/epd.sabah.gov.my\/virsop\/wp-content\/uploads\/2023\/03\/epd-logo.png","width":194,"height":161,"caption":"Environment Protection Department of Sabah"},"image":{"@id":"https:\/\/epd.sabah.gov.my\/virsop\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/pages\/445"}],"collection":[{"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/comments?post=445"}],"version-history":[{"count":0,"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/pages\/445\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/pages\/742"}],"wp:attachment":[{"href":"https:\/\/epd.sabah.gov.my\/virsop\/wp-json\/wp\/v2\/media?parent=445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}