Swales
Swales are shallow vegetated open channels. They can be natural, but within a developed environment they’re usually designed as part of an engineered SuDS scheme. Typically featuring a wide-bottomed trapezoidal or parabolic cross-sectional profile for ease of maintenance and construction, the design also offers good hydraulic performance when combined with engineered SuDS systems.
| Description | File | |
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| Ridgichute |
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| Installation Stubs |
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| Ridgidrain - 100-600mm |
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| Ridgidrain - 750-900mm |
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| Ridgitreat |
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| Ridgigully |
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| Midigully |
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| Ridgidrain Inspection Chambers |
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| Landcoil |
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| Landcoil Couplers |
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| Linflex |
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| Ridgitreat |
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| RIDGISTORMAccess Manholes |
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| RIDGISTORMCheck - Orifice Plate Flow Control Chambers |
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| RIDGISTORMAccess Manholes |
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| RIDGISTORMCheck - Orifice Plate Flow Control Chambers |
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| RIDGISTORMCheck - Vortex Flow Control Chambers |
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| RIDGISTORMControl - Penstock & Valve Chambers |
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| RIDGISTORMSeparate Catchpits |
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| RIDGISTORMSeparate Filter Chambers |
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| RIDGISTORMSeparate Silt Traps |
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| RIDGISTORM-X4 - Stormwater Treatment System |
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| UTX Chamber |
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| Safety Chain Assembly |
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| Guardrail Assembly |
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| Ladders & Steps |
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| Ridgistorm-XL Toe Holds |
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| Polystorm |
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| Polystorm Lite |
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| Polystorm-R |
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| Polystorm Xtra |
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| Polystorm Inspect |
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| Polystorm Access |
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| Polystorm Soakaway Geotextile |
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| Polystorm HD Soakaway Geotextile |
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| Permavoid 150mm |
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| Permavoid Biomat |
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| Permavoid Geomembrane |
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| Permavoid Medium Duty with Biomat |
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| Permaceptor |
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| Permachannel |
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| Permafilter Geotextile |
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| Permafoam |
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| Permavoid Permatex 300 |
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| Permaties & Shear Connectors |
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| Permavoid System Components |
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| Drawing Number | Description | File |
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| GI-PSM-SD-UD-SWALE | ALTERNATIVE UNDERDRAINED SWALE (INC POLYSTORM CONDUIT/ STORAGE) |
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| GI-SUD-SD-SWALE | TYPICAL SWALE & UNDERDRAINED SWALE |
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| Description | File | |
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| Permavoid Performance Specification |
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| Permavoid NBS Specification |
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| Ridgidrain Performance Specification |
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| Ridgidrain NBS Specification |
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| Ridgistorm-XL Performance Specification |
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| Ridgistorm-XL NBS Specification |
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| Polystorm Performance Specification |
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| Polystorm NBS Specification |
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| Description | File | |
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| Polystorm BBA |
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| Ridgistorm-XL BBA |
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| Title | File | |
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| Permafilter Paper |
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