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Russe ll Re dde r, P.E .
VCWRF High Rate Clarification: From Drought to Peak Flow and Beyond - - PowerPoint PPT Presentation
VCWRF High Rate Clarification: From Drought to Peak Flow and Beyond - - PowerPoint PPT Presentation
VCWRF High Rate Clarification: From Drought to Peak Flow and Beyond Russe ll Re dde r, P.E . 1 February 13, 2018 T OPICS Ba c kg ro und Pa st (T he Go o d Old Da ys) Pre se nt (Hig h Ra te Cla rific a tio n) F uture (Pe
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BACKGROUND
– VCWRF
is the o nly WWT P fo r F
- rt
Wo rth a nd Custo me r Citie s
– Co nve ntio na l Ac tiva te d Sludg e – Pe rmitte d ADF
- f 166 MGD
– Pe rmitte d Pe a k F
lo w o f 367 MGD
– Outfa ll in T
rinity Rive r
– Adde d HRC in 2005 – Co nstruc te d PF
B in 2016-2017
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VCWRF AE RI AL
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T HE GOOD OL D DAYS
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T HE GOOD OL D DAYS
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HI GH RAT E CL ARI F I E R ARRI VE S: 2005
Disc ha rg e to I nte rna l Outfa ll (CCB) if F lo ws a re a b o ve 255 MGD
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… AND SE L DOM GOT USE D
HRC Disc ha rg e s to I nte rna l Outfa ll
- Ma rc h 2006: 2 Da ys
- June 2007: 1 Da y
- Oc to b e r 2009: 4 Da ys
- Ma rc h 2010: 2 Da ys
- Ja nua ry 2012 : 2 Da ys
- Ma rc h 2012: 2 Da ys
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T E XAS DROUGHT MAP SE PT . 2011
Ye ar Pr e c ip.
2005 18.97” 2006 29.75” 2007 50.05” 2008 27,10” 2009 40.89” 2010 31.70” 2011 25.88” 2012 31.26” 2013 29.40” 2014 21,32”
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2015: WE T T E ST YE AR I N HI ST ORY:
62.61” PRE CI PI T AT I ON AT DF W AI RPORT
HRC Disc ha rg e s to I nte rna l Outfa ll
- Ma y 10-12 : 74 MG
- Ma y 14 : 30 MG
- Ma y 17-18 : 60 MG
- Ma y 21-22 : 30 MG
- Ma y 24-June 2 : 480 MG
- Oc to b e r 25-26: 61 MG
- Oc to b e r 31-No ve mb e r 1: 60 MG
- No ve mb e r 27-De c e mb e r 2: 343 MG
- De c e mb e r 27-30: 171 MG
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PE AK F L OW ST ORAGE BASI NS
11
- F
ind a L
- c a tio n to Sto re L
a rg e Vo lume s o f Wa ste wa te r fo r T re a tme nt L a te r.
- I
nsta ll a n 84” Pipe line fro m Bo x OO to Ca rry Wa ste wa te r fro m the Hig h Ra te Cla rifie r (HRC) to Pe a k F lo w Sto ra g e .
- Utilize Ne w a nd E
xisting Pipe line s to Co nne c t Bo x OO to PE PS 2 fo r Re turn F lo ws.
- I
nsta ll a Ne w Pump a t the HRC to I nc re a se F lo wra te .
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WHE RE CAN WE ST ORE L ARGE VOL UME S?
SL UDGE ONL Y L ANDF I L L (SOL )
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PE AK F L OW BASI NS: 275 MG
2 CE L L S, GRASS-L I NE D
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PE AK F L OW ST ORAGE BASI NS
14 84” Pipe line : E xc a va tio n thro ug h No rth L e ve e
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PE AK F L OW ST ORAGE BASI NS
15 84” Pipe line : Cro ssing the T rinity Rive r
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PE AK F L OW ST ORAGE BASI NS
16 84” F lo wme te r
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COMPL E T E D PE AK F L OW ST ORAGE
17
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PE AK F L OW ST ORAGE BASI NS
18 T e sting the Spillwa y
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PE AK F L OW ST ORAGE BASI NS
19
Alte rna te use : Diurna l F lo ws
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PE AK F L OW ST ORAGE BASI NS
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F uture Use : F la tte n Diurna l Curve ?
Be ne fits
- Physic a l, Che mic a l, a nd Bio lo g ic a l Pro c e sse s
wo uld Be ne fit fro m Ste a dy F lo ws Cha lle ng e s
- Sta ffing a nd Running HRC a t Nig ht
- Co sts o f Che mic a ls a nd E
le c tric ity
- Hydra ulic s b e twe e n F
a c ilitie s
- E
ro sio n o f PF Bs fro m Co nsta nt Use
- Odo rs a t PF
Bs
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ACK NOWL E DGE ME NT S:
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- CDM-Smith
- CP&Y
- Mc Ca rthy Co nstruc to rs
- F
a rida Go de rya
- Ana J. Pe na -T
ije rina
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