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+ | #REDIRECT [[Construction specifications for infiltration ]] | ||
+ | CADD based details for pond systems are contained in the section on [[CADD images for individual best management practices|drawings]]. The following details, with specifications, have been created for infiltration systems: | ||
+ | *infiltration basin | ||
+ | *infiltration trench | ||
+ | *subsurface infiltration system | ||
+ | *inlet/outlet structures | ||
+ | |||
+ | ==Construction specifications== | ||
+ | Given that the construction of [[Glossary#I|infiltration]] practices incorporates techniques or steps which may be considered non-standard, it is ''RECOMMENDED'' that the construction specifications include the following format and information. | ||
+ | |||
+ | ===Temporary erosion control=== | ||
+ | *Installation prior to site disturbance | ||
+ | *Catch [[Glossary#B|basin]]/inlet protection | ||
+ | *Use of [[Glossary#B|BMP]] as temporary sedimentation basin | ||
+ | |||
+ | ===Excavation, backfill and grading=== | ||
+ | *Timing of grading of infiltration practices (relative to total site development) | ||
+ | *Use of low-impact, earth moving equipment | ||
+ | *Controls to ensure site is not over-excavated | ||
+ | *Restoration in the event of [[Glossary#S|sediment]] accumulation during construction of practice | ||
+ | *Gravel backfill specifications | ||
+ | *Gravel filter specifications | ||
+ | *Filter fabric specifications | ||
+ | *Observation well specifications | ||
+ | |||
+ | ===Native plants, planting and transplanting=== | ||
+ | *Site preparation of planting areas | ||
+ | *Timing of native seeding and native planting | ||
+ | *Weed control | ||
+ | *Watering of plant material | ||
+ | {{alert|It is REQUIRED that infiltration systems not be excavated to final grade until the contributing drainage area has been constructed and fully stabilized.|alert-danger}} | ||
+ | |||
+ | ===Construction sequence scheduling=== | ||
+ | *Temporary construction access | ||
+ | *Location of [[Glossary#S|silt fence]] installation to protect BMPs and downgradient [[Glossary#R|receiving waters]] | ||
+ | *Removal and storage of excavated material | ||
+ | *Installation of underground utilities | ||
+ | *Rough grading | ||
+ | *Seeding and mulching disturbed areas | ||
+ | *Road construction | ||
+ | *Final grading | ||
+ | *Site stabilization | ||
+ | *Installation of semi-permanent and permanent [[Glossary#E|erosion]] control measures | ||
+ | *Silt fence removal (often forgotten but an essential step) | ||
+ | |||
+ | ===Construction observation=== | ||
+ | |||
+ | *Adherence to construction documents | ||
+ | *Verification of physical site conditions | ||
+ | *Erosion control measures installed appropriately | ||
+ | |||
+ | <noinclude> | ||
+ | ==Related pages== | ||
+ | *[[Overview for Infiltration trench]] | ||
+ | *[[Types of Infiltration trench]] | ||
+ | *[[Design criteria for Infiltration trench]] | ||
+ | *[[Construction specifications for Infiltration trench]] | ||
+ | *[[Operation and maintenance of Infiltration trench]] | ||
+ | *[[Assessing the performance of infiltration trenches and basins]] | ||
+ | *[[Cost-benefit considerations for Infiltration trench]] | ||
+ | *[[External resources for Infiltration trench ]] | ||
+ | *[[References for infiltration]] | ||
+ | |||
+ | [[Category:Level 3 - Best management practices/Specifications and details/Construction specifications]] | ||
+ | </noinclude> |
Redirect to:
CADD based details for pond systems are contained in the section on drawings. The following details, with specifications, have been created for infiltration systems:
Given that the construction of infiltration practices incorporates techniques or steps which may be considered non-standard, it is RECOMMENDED that the construction specifications include the following format and information.
This page was last edited on 11 December 2022, at 14:46.