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Aqua-Swirl
®
Stormwater Treatment System
Inspection and Maintenance Manual
TM
AquaShield
, Inc.
2733 Kanasita Drive
Suite 111
Chattanooga, TN 37343
Toll free (888) 344-9044
Phone: (423) 870-8888
Fax: (423) 826-2112
Email: info@aquashieldinc.com
www.aquashieldinc.com
November 2016
TM
© AquaShield
, Inc. 2016. All rights reserved.
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Table of Contents
Related Manuals for AquaShield Aqua-Swirl
Summary of Contents for AquaShield Aqua-Swirl
- Page 1 Aqua-Swirl ® Stormwater Treatment System Inspection and Maintenance Manual AquaShield , Inc. 2733 Kanasita Drive Suite 111 Chattanooga, TN 37343 Toll free (888) 344-9044 Phone: (423) 870-8888 Fax: (423) 826-2112 Email: info@aquashieldinc.com www.aquashieldinc.com November 2016 © AquaShield , Inc. 2016. All rights reserved.
- Page 2 The Aqua-Swirl Stormwater Treatment System (Aqua-Swirl ) is a vortex-type hydrodynamic ® separator designed and supplied by AquaShield , Inc. (AquaShield ). Aqua-Swirl technology removes pollutants including suspended solids, debris, floatables and free-floating oil from stormwater runoff. Both treatment and storage are accomplished in the single swirl chamber without the use of multiple or hidden, blind access chambers.
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Page 3: System Operation
(or vortex) flow pattern that causes contaminates to settle to ® the base of the unit. Since stormwater flow is intermittent by nature, the Aqua-Swirl retains water between storm events providing both dynamic and quiescent settling of solids. The dynamic settling occurs during each storm event while the quiescent settling takes place between successive storms. - Page 4 With ® the invert of the inlet and outlet pipe at the same elevation, the Aqua-Swirl can easily be connected directly to the existing storm conveyance drainage system. Furthermore, because of ®...
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Page 5: Maintenance
The Aqua-Swirl can be inspected from the surface, eliminating the need to enter the system to determine when cleanout should be performed. In most cases, AquaShield recommends a quarterly inspection for the first year of operation to develop an appropriate schedule of maintenance. - Page 6 ” Sediment inspection using a stadia rod 14” Maximum recommended sediment depth prior to cleanout ® is 14 inches for all Aqua-Swirl models ® Aqua-Swirl Cleanout Procedure ® Cleaning the Aqua-Swirl is simple and quick. Free-floating oil and floatable debris can be observed and removed directly through the 30-inch service access riser provided.
- Page 7 Disposal of Recovered Materials AquaShield recommends that all maintenance activities be performed in accordance with appropriate health and safety practices for the tasks and equipment being used. AquaShield ® also recommends that all materials removed from the Aqua-Swirl and any external structures (e.g, bypass features) be handled and disposed in full accordance with any applicable local and...
- Page 8 Floatable Debris and Oil ® 1. Remove manhole lid to expose liquid surface of the Aqua-Swirl 2. Remove floatable debris with basket or net if any present. 3. If oil is present, measure its depth. Clean liquids from system if one half (½) inch or more oil is present.
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Page 9: Maintenance Schedule
. All cleaning activities should be performed in accordance with property health and safety procedures. ® AquaShield always recommends that all materials removed from the Aqua-Swirl during the maintenance process be handled and disposed in accordance with local and state environmental or other regulatory requirements. -
Page 10: Activity Log
12 months in the First Year Post-Construction period, the system should be inspected once ® every six (6) months and cleaned as needed. The Aqua-Swirl should be cleaned annually regardless of whether it reaches its sediment or floatable pollutant capacity. - Page 11 Describe: Other Observations: NOTES Additional Comments and/or Actions To Be Taken Time Frame ATTACHMENTS Attach site plan showing Aqua-Swirl ® location. Attach detail drawing showing Aqua-Swirl ® dimensions and model number. If a diversion configuration is used, attach details showing basic design and elevations (where feasible).
- Page 12 Post-Construction period, the system should be inspected once every six (6) months or more frequently if past ® history warrants, and cleaned as needed. The Aqua-Swirl should be cleaned annually regardless of whether it reaches its full sediment or floatable pollutant capacity.
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