{"id":116,"date":"2019-06-24T11:51:07","date_gmt":"2019-06-24T18:51:07","guid":{"rendered":"https:\/\/blogs.ubc.ca\/topo\/?page_id=116"},"modified":"2020-05-29T16:21:59","modified_gmt":"2020-05-29T23:21:59","slug":"grading-of-planar-areas","status":"publish","type":"page","link":"https:\/\/blogs.ubc.ca\/topo\/tools-knowledge\/elements\/grading-of-planar-areas\/","title":{"rendered":"Grading of Planar Areas"},"content":{"rendered":"<h1>Grading of Planar Areas<\/h1>\n<div id=\"random-accordion-id-81\" class=\"accordion-shortcode  accordion-container\">\n<h3 ><a href=\"#overview-0\" >Overview<\/a><\/h3><div id=\"overview-0\" class=\"accordian-shortcode-content \" ><\/p>\n<p>Grading of planar areas such as those required for a plaza, parking lots, or other landscape program can be tricky. They need to maintain constant elevation while achieving positive drainage. When conceptualizing the grading of a planar area, one must balance achieving level edges with a drainage strategy.<\/p>\n<div style=\"padding: 76.92% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/player.vimeo.com\/video\/371042452?loop=1&amp;title=0&amp;byline=0&amp;portrait=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div style=\"text-align: center;\"><em>common strategies and contour signatures for grading planar areas<\/em><\/div>\n<div><\/div>\n<p>\n<\/div>\n<h3 ><a href=\"#typologies-1\" >Typologies<\/a><\/h3><div id=\"typologies-1\" class=\"accordian-shortcode-content \" ><\/p>\n<p>Inserting a planar area (as might be required for a landscape program or a building footprint) into a sloping terrain produces a terrace.<\/p>\n<p>Grading a terrace produces either a 'fill', 'cut', or 'balance' condition.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1175\" src=\"https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_grading-scaled.jpg\" alt=\"\" width=\"2560\" height=\"853\" srcset=\"https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_grading-scaled.jpg 2560w, https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_grading-768x256.jpg 768w, https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_grading-1536x512.jpg 1536w, https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_grading-2048x683.jpg 2048w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1174\" src=\"https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_cut-fill-scaled.jpg\" alt=\"\" width=\"2560\" height=\"853\" srcset=\"https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_cut-fill-scaled.jpg 2560w, https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_cut-fill-768x256.jpg 768w, https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_cut-fill-1536x512.jpg 1536w, https:\/\/blogs.ubc.ca\/topo\/files\/2019\/11\/planar-areas_cut-fill-2048x683.jpg 2048w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><em>Left: Cut; Middle: Fill; Right: Cut &amp; Fill<\/em><\/p>\n<p><strong>Cut<\/strong> requires the removal of excess material when proposed grades are lower than existing grades.<\/p>\n<p><strong>Fill<\/strong> requires the addition of new material when proposed grades are higher than existing grades.<\/p>\n<p><strong>Balance<\/strong> is achieved when cut and fill are made to be roughly equivalent in a proposed earthwork. Ideally, this creates the condition to <em>shift<\/em> soil on site, as opposed to costly removal or addition of soil material.\u00a0This is generally best option to minimize export or import &amp; strive to shift soils on-site.<\/p>\n<div style=\"padding: 76.92% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/player.vimeo.com\/video\/383137796?loop=1&amp;title=0&amp;byline=0&amp;portrait=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div style=\"text-align: center;\"><em>Grading a planar area into a hillside resulting in Cut, Fill, or Balanced earthwork<\/em><\/div>\n<p>\n<\/div>\n<\/div><!-- #random-accordion-id-81end of accordion shortcode -->\n","protected":false},"excerpt":{"rendered":"<p>Grading of Planar Areas<\/p>\n","protected":false},"author":65473,"featured_media":0,"parent":2,"menu_order":5,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-116","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/pages\/116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/users\/65473"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/comments?post=116"}],"version-history":[{"count":36,"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/pages\/116\/revisions"}],"predecessor-version":[{"id":1451,"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/pages\/116\/revisions\/1451"}],"up":[{"embeddable":true,"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/pages\/2"}],"wp:attachment":[{"href":"https:\/\/blogs.ubc.ca\/topo\/wp-json\/wp\/v2\/media?parent=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}