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Attachment 4 - Stormwater Managment Plan
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Log in to see the plans as drawn HOW IT WORKS
This technology is a post developed stormwater
treatment system. The SPEL Stormsack provides
effective filtration of solid pollutants and debris typical
of urban runoff, while utilising the existing or new storm
drain infrastructure. The Stormsack is designed to rest
on the flanges of conventional catch basin frames
and is engineered for most hydraulic and cold climate
conditions.
Installation procedures shall include removing the
storm grate, cleaning the ledge of debris and solids,
measuring catch basin clear opening and adjusting
flanges to rest on grate support ledge. Install SPEL
FEATURES
Stormsack with splash guard under curb opening so
the adjustable flanges are resting on the grate support
ledge. Install corner filler pieces. Reinstall storm grate
directly on support flanges rise shall be no more than
3mm.
Pollutant Efficiency
Maintenance: Typically the SPEL Stormsack is
Gross Pollutants (GP) 100%
serviceable from the street level, and therefore
Total Suspended Solids (TSS) 61% maintenance does not require confined space entry
into the catch basin structure. The unit is designed to
Total Phosphorus (TP) 28% be maintained in place with a vacuum hose attached to
a sweeper or a vactor truck. Use only SPEL replaceable
Total Nitrogen (TN) 45%
parts.
*Contact Spel to confirm approved performance for the project LGA
Application Regulatory Issue Target Pollutants
Council Storm Drain Retrofits At-source litter capture Sediment, Litter, O&G
Commercial/Retail/Residential Stormwater Compliance Sediment, Litter, O&G
Litter Prone Urban Areas Cost effective litter control Litter ≥ 5 mm
Scrap Metal/Solid Waste/Oil Storage/Etc Industrial Multi-Sector General Permit Gross Pollutants, O&G
Part of Treatment Train Council Stormwater Quality Improvement Targets Sediment, Litter, O&G
Construction Sediment/Erosion Sediment Control Plan Sediment/Erosion Control
Features Standard SPEL
Stormsack to suit
1. Ultra-Durable Aluminium Frame Pit Sizes
• Available in 450x450mm, 600x600mm,
1. 450x450mm
600x900mm and 900x900mm sizes
• Custom pit arrangements upon request 600x600mm
Black Poly Surround riveted to Frame 900x600mm
2.
• Can be cut to suit on site
900x900mm
Reinforced Stormsack Bag
3. • Bag has sewed eyelets Custom
• Square bottom design for even distribution sizes (i.e.
Karabiners attach Bag to Frame for easy 1200x900mm)
4.
service & replacement can be
manufactured on
5. 5. Aluminium Support Angles & Fixings
short lead times
spel.com.au 3
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