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→Geometry and Site Layout
==Design==
==Design==
===Geometry and Site Layout===
===Geometry and Site Layout===
Gravel beds in which exfiltration systems are installed are typically rectangular excavations with a bottom width between 600 and 2400 mm <ref>Greater Vancouver Regional District. 2005. Stormwater Source Control Design
Gravel beds in which exfiltration systems are installed are typically rectangular excavations with a bottom width between 0.6 and 2.4 m <ref>Greater Vancouver Regional District. 2005. Stormwater Source Control Design
Guidelines 2005. Prepared by Lanarc Consultants Limited, Kerr Wood Leidal Associates Limited and Goya Ngan</ref>. The gravel beds should have gentle slopes between 0.5 to 1%.
Guidelines 2005. Prepared by Lanarc Consultants Limited, Kerr Wood Leidal Associates Limited and Goya Ngan</ref>.
The gravel beds should have gentle slopes between 0.5 - 1%.
==Performance==
==Performance==