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Finishing grades and surface layer installation: vegetated LIDs (view source)
Revision as of 19:23, 28 October 2022
, 2 years ago→Soil media and amendments
==Soil media and amendments==
==Soil media and amendments==
[[File:P1090179 SlingerTruck.jpg|300px|thumb|right|Slinger truck applying soil media in bioretention project. (Photo source: CVC)]]
Bioretention can be constructed over any soil type, but [[Soil groups|hydrologic soil group A and B]] are best for achieving water balance objectives. Facilities designed to infiltrate water should be located on portions of the site with the highest infiltration rates. STEP has detailed construction guidance on soil amendments available on its [https://sustainabletechnologies.ca/home/urban-runoff-green-infrastructure/healthy-soils/construction-specifications-for-implementing-compost-amended-planting-soil-in-ontario/ Construction Specifications for Implementing Compost Amended Planting Soil in Ontario]<ref>STEP. 2019. Construction Specifications for Implementing Compost Amended Planting Soil in Ontario: https://sustainabletechnologies.ca/home/urban-runoff-green-infrastructure/healthy-soils/construction-specifications-for-implementing-compost-amended-planting-soil-in-ontario/</ref>. These resources include specification details and a spreadsheet calculator for determining soil and amendment volumes.
Bioretention can be constructed over any soil type, but [[Soil groups|hydrologic soil group A and B]] are best for achieving water balance objectives. Facilities designed to infiltrate water should be located on portions of the site with the highest infiltration rates. STEP has detailed construction guidance on soil amendments available on its [https://sustainabletechnologies.ca/home/urban-runoff-green-infrastructure/healthy-soils/construction-specifications-for-implementing-compost-amended-planting-soil-in-ontario/ Construction Specifications for Implementing Compost Amended Planting Soil in Ontario]<ref>STEP. 2019. Construction Specifications for Implementing Compost Amended Planting Soil in Ontario: https://sustainabletechnologies.ca/home/urban-runoff-green-infrastructure/healthy-soils/construction-specifications-for-implementing-compost-amended-planting-soil-in-ontario/</ref>. These resources include specification details and a spreadsheet calculator for determining soil and amendment volumes.