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Operation and Maintenance Manual
Downstream Defender
hydrodynamic separator with 5mm Screen
®
Stormwater Solutions
Vortex Separator for Stormwater Treatment
Turning Water Around ...
®
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Summary of Contents for Hydro International Downstream Defender 4-FT
- Page 1 Operation and Maintenance Manual Downstream Defender hydrodynamic separator with 5mm Screen ® Stormwater Solutions Vortex Separator for Stormwater Treatment Turning Water Around ... ®...
- Page 2 7. Isolated Sediment Storage Zone the use of the recipient to whom the document and all associated information are directed. Hydro International plc owns the copyright of this document (including any drawings or graphics), which is supplied in confidence. It must not be used for any purpose other than that for which it is supplied and must not be reproduced, in whole or in part stored in a retrieval system or transmitted in any form or by any means without prior permission in writing from Hydro International plc.
- Page 3 Billing you for replacement parts that might have been covered under your Hydro warranty plan Make sure you’re not paying for service that is covered under your warranty plan. Only Hydro International’s service teams can identify • Charging for maintenance that may not yet have been required.
- Page 4 3. Remove floatables first, then remove sediment storage volume. 4. Sediment removal is not required unless sediment depths exceed 75% of maximum clean-out depths stated in Table 1. Hydro International (Stormwater), 94 Hutchins Drive, Portland ME 04102 Tel: (207) 756-6200 Fax: (207) 756-6212 Web: www.hydro-int.com...
- Page 5 NOTE: For most cleanouts it is not necessary to remove the entire volume of liquid in the vessel. Only removing the first few inches of oils/floatables and the sediment storage volume is required. Hydro International (Stormwater), 94 Hutchins Drive, Portland ME 04102 Tel: (207) 756-6200 Fax: (207) 756-6212 Web: www.hydro-int.com...
- Page 6 CUSTOM *Note: Sediment removal is not required unless sediment depths exceed 75% of maximum clean-out depths stated in Table 1. Hydro International (Stormwater), 94 Hutchins Drive, Portland ME 04102 Hydro International (Stormwater), 94 Hutchins Drive, Portland ME 04102 Tel: (207) 756-6200 Fax: (207) 756-6212 Web: www.hydro-int.com...
- Page 7 NOTES Downstream Defender Notes Operation and Maintenance Manual ® Hydro International (Stormwater), 94 Hutchins Drive, Portland ME 04102 Tel: (207) 756-6200 Fax: (207) 756-6212 Web: www.hydro-int.com...
- Page 8 Do it Right the First Time Learn more at hydro-int.com/service CALL 1 (888) 382-7808 TO SCHEDULE AN INSPECTION Stormwater Solutions 94 Hutchins Drive Portland, ME 04102 Tel: (207) 756-6200 Fax: (207) 756-6212 stormwaterinquiry@hydro-int.com www.hydro-int.com Turning Water Around... ® ©Hydro International DD_O+M_C1908...
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