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Up-Flo

Filter Operation and Maintenance Manual

Fig.7 Sediment is removed from the sump with a vactor hose. Man entry is not required for this step.

Routine Maintenance

Maintenance activities are grouped into two categories:

•

Activities Not Requiring Man Entry Into the Up-Flo

Filter

These activities include floatables removal, oil removal and

removal of sediment from the sump.

•

Activities Requiring Man Entry Into the Up-Flo

Filter

Media Pack replacement and Drain Down Filter replacement.

Maintenance intervals are determined from monitoring the Up-Flo

Filter during its first year of operation. Depending on the site, some

maintenance activities may have to be performed on a more frequent

basis than others. In the case of floatables removal, a vactor truck

is not required. Floatables and loose debris can be netted with a

skimmer and pole.

A vactor truck is normally required for oil removal, removal of sedi-

ment from the sump, and to dewater the vessel for replacement of

the Media Packs and Drain Down Filter (Fig.7). All inspection and

maintenance activities would be recorded in an Inspection and Main-

tenance Log.

Completion of all the maintenance activities for a typical 4-ft (1.2m)

diameter manhole installation takes less than one hour. Approxi-

mately 360 gallons of water and up to 0.6 yd

(0.5 m

) of sediment

may be removed in the process. In an installation equipped with

six Filter Modules, 12 Media Bags (2 bags per module) would be

removed and replaced. Assuming a spent Media Bag weight of 50

lbs (23 kg), up to 600 lbs (272 kg) of spent Media Bags would be

removed. All consumables, including Media Bags, Flow Distribution

Media, and replacement Drain Down Filters are supplied by Hydro

International.

The access port located at the top of the manhole provides unob-

structed access for a vactor hose and/or skimmer pole to be lowered

to the base of the sump.

Page | 9

Maintenance Activities Not Requiring Man Entry

These activities include floatables removal, oil removal and

removal of sediment from the sump.

Scheduling

•

Floatables and sump cleanout may typically be done during

any season of the year - before and after rainy season

•

Floatables and sump cleanout should occur as soon as

possible following a contaminated spill in the contributing

drainage area

Recommended Equipment

•

Safety Equipment (traffic cones, etc)

•

Crow bar to remove grate or lid

•

Pole with skimmer or net (if only floatables are being removed)

•

Sediment probe (such as a Sludge-Judge

)

•

Vactor truck (flexible hose preferred)

•

Pressure nozzle attachment or other screen-cleaning device

•

Hydro International Up-Flo

Filter Maintenance Log

Содержание Up-Flo

Страница 1: ...Operation and Maintenance Manual Up Flo Filter Filtration System for Stormwater Treatment Stormwater Solutions Turning Water Around ...

Страница 2: ...lc 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 Up Flo Filter is a trademarked fi...

Страница 3: ... maintenance requirements that will ensure the filter will continue to operate and perform as intended In general a minimum of two inspections are required per year to monitor sediment and gross pollutant accumulations In order to achieve an annual TSS removal rate of 80 for the Up Flo Filter the minimum maintenance frequency specified in the maintenance section for replacement of the Media Pack a...

Страница 4: ... Down Filter mechanism creates a reverse flow that flushes captured pollutants off the surface of the Media Bag helping to prevent blinding By allowing the water to drain out the Drain Down Filter also reduces the weight of the Media Bags This makes the bags easier and safer to remove during maintenance operations Overflow Protection The Angled Screens are designed to prevent ragging and blinding ...

Страница 5: ...o all of the components see Fig 3 Completion of all the maintenance activities for a typical manhole Up Flo Filter takes less than one hour In the case of inspection and floatables removal a vactor truck is not required Otherwise a vactor truck is normally required for oil removal removal of sediment from the sump and replacement of the Media Packs and Drain Down Filter In most cases entry into th...

Страница 6: ... amount of accumulated sediment will be accomplished by removing both of the Media Bags from one of the Media Packs and weighing the bags separately Since a new Media Bag weighs approximately 30 lbs 14 kg wet the difference in weight will approximately equal the weight of solids that have accumulated in the bag A spent Media Bag weighs approximately 50 lbs 23 kg wet Measurement of oil layer on wat...

Страница 7: ...cleaning the sump Monitoring the Drain Down Filter for clogging monitoring the Flow Distribution Media and Angled Screens for slime and debris and monitoring the accumulation of floatables will provide an estimate of how long the Up Flo Filter can operate before its performance can become impaired by one of these factors Routine Inspection and Maintenance After completion of the first year of oper...

Страница 8: ...l indicator has been activated Make note of any irregu larities See Fig 6 for a typical Inspection View 4 Without entering the vessel use the pole with the skimmer net to remove floatables and loose debris from the chamber 5 Using a sediment probe such as a Sludge Judge measure the depth of sediment that has collected in the sump of the vessel Maximum sediment depth is 16 inches 41 cm 6 If the hig...

Страница 9: ...nhole installation takes less than one hour Approxi mately 360 gallons of water and up to 0 6 yd3 0 5 m3 of sediment may be removed in the process In an installation equipped with six Filter Modules 12 Media Bags 2 bags per module would be removed and replaced Assuming a spent Media Bag weight of 50 lbs 23 kg up to 600 lbs 272 kg of spent Media Bags would be removed All consumables including Media...

Страница 10: ... oils and gross debris removed and the depth of sedi ment measured Note any apparent irregularities such as damaged components or blockages 10 Securely replace the grate or lid Remove safety equip ment 11 Dispose of sediment and gross debris following local regula tions 12 Dispose of oil and sump water at a licensed water treatment facility or following local regulations 13 Contact Hydro Internati...

Страница 11: ...hes on the front and sides of the module Remove the lid 1 to gain access to the Media Pack Fig 9 4 Remove and discard the spent Media Pack The Media Pack contents include A top layer of green 2 Flow Distributing Media Two 2 Media Bags 3 equipped with nylon handles A bottom layer of green 2 Flow Distributing Media 5 Insert a new Media Pack supplied by Hydro International First insert a bottom layer...

Страница 12: ... depending on the Up Flo Filter Configuration The maximum allowable sediment depth in any Up Flo Filter configuration is 16 inches 41 cm Following a contaminated spill in the drainage area Media Pack Replacement Once per year Replacement is required anytime inspection reveals that the high water level indicator has been activated after two consecutive storms and the subsequent weighing of the Medi...

Страница 13: ...cation Owner site Contractor Contact Name Contact Name Company Name Company Name Address Address Telephone Telephone Fax Fax Installation Date Configuration circle one manhole vAULT SYSTEM Total number of uP fLO fILTER Modules _________________ Hydro International Stormwater 94 Hutchins Drive Portland ME 04102 Tel 207 756 6200 Fax 207 756 6212 Web www hydro int com ...

Страница 14: ...uctural Components Any evidence of structural deterioration A Grates in good condition A Spalling or cracking of structural parts A Outlet Overflow Spillway A Other Noticeable odors A Any evidence of filter s clogging M Evidence of flow bypassing facility A Site Name ____________________________________________________________ Owner Change since last inspection Y N Location _______________________...

Страница 15: ...___________________________________________ Overall Condition of Up Flo Filter Acceptable Unacceptable Acceptable would mean properly functioning unacceptable would mean damaged or required further maintenance If any of the above Inspection Items are checked Yes for Maintenance Needed list Maintenance actions and their completion dates below or on the Maintenance Log provided on page 15 of the Up ...

Страница 16: ...imated volume of oil floatable trash removed ____________________________________________________________________ Sediment depth measured in sump prior to removal _________________________________________________________________ Number of Filter Modules fitted with new media packs _______________________________________________________________ Inspector Comments ___________________________________...

Страница 17: ... for Stormwater BMP Maintenance Providers Hydro International Certification Program become a Hydro International Preferred Stormwater BMP Maintenance Partner Become a Hydro International certified Stormwater BMP maintenance provider today Learn more at http www hydro int com us products service parts Stormwater Solutions 94 Hutchins Drive Portland ME 04102 Tel 207 756 6200 Fax 207 756 6212 stormwa...

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