Completed dikes should be sealed with plastic sheeting to prevent h2o penetration. Spread a layer of soil or sand just one-inch deep and about one-foot large along the bottom with the dike around the drinking water facet. Our Design and style Workforce welcomes the opportunity to operate together with architects http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=2474320