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Stormwater Tree Trenches: Specifications (view source)
Revision as of 19:02, 9 March 2022
, 2 years agono edit summary
* Geotextile material specifications should conform to Ontario Provincial Standard Specification (OPSS) 1860 for Class II geotextile fabrics.
* Geotextile material specifications should conform to Ontario Provincial Standard Specification (OPSS) 1860 for Class II geotextile fabrics.
* Geotextile installed on tree trench sides and around perforated distribution and underdrain pipes should be woven monofilament or non-woven needle punched fabrics. '''Note''': Woven slit film and non-woven heat bonded fabrics should not be used as they are prone to clogging.
* Geotextile installed on tree trench sides and around perforated distribution and underdrain pipes should be woven monofilament or non-woven needle punched fabrics. '''Note''': Woven slit film and non-woven heat bonded fabrics should not be used as they are prone to clogging.
* Geotextile, geogrid or combination products in contact with modular soil support system structures should be according to manufacturer’s specifications.
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* Where a root barrier is needed to prevent the migration of roots out of the tree trench, use impermeable ribbed barrier material with a thickness of 1-2 mm.
* Where a root barrier is needed to prevent the migration of roots out of the tree trench, use impermeable ribbed barrier material with a thickness of 1-2 mm.