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Appendix C - Stormwater Management Plan
Attached to the e-mail MCU15/0095 & REC15/0022 Development Application Stormwater Mgmt Plan (2 of 3).
Original PDF page 71, section 1. The text section number identifies this passage in the reader.
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Log in to see the plans as drawnStormwater
Treatment
An all too common issue with today’s highly impervious
landscape is how to meet stormwater regulations with
limited budgets and tight space constraints.
SPEL StormSack filtration solutions are highly engineered
water quality devices that are deployed directly in the
stormwater system to capture contaminants close the
surface for ease of maintenance. Easily retrofitted into new
or existing structures, SPEL StormSack filtration technology
is a decentralized approach to stormwater treatment that
essentially repurposes traditional site infrastructure and
customizes it to meet specific site water quality goals. In
this way, it satisfies important objectives of today’s LID
(Low Impact Development) criteria.
From an operations perspective, catch basins with SPEL
Stormsack filters are also easier and quicker to clean out
because pollutants are trapped just under the grate.
StormSack
The SPEL StormSack is specifically designed for the
capture of gross pollutants: sediment, litter, and oil and
grease. Ideally suited for municipal storm drain retrofits,
the SPEL StormSack’s unique design allows maintenance
to be performed using conventional vacuum suction
equipment.
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
[ 1] [6] [ 5]
Features Standard SPEL
Stormsack to suit
Durable, aluminum frame construction [2] Pit Sizes
1.
has 15 year service life
450x450mm
Integral oil boom effectively captures [3]
2. 600x600mm
oil and grease from spills
Patented dovetailed flange – allows
[4] 900x600mm
3.
12cm of length/width field adjustment 900x900mm
Polypropylene netting protects sack
4.
from suction hose during maintenance Custom sizes (i.e.
Steel clip with locking tab holds 1200x900mm) can
5.
replaceable filter sack in place be manufactured on
6. Baffled bypass traps floatables
short lead times
2
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