Community Ope n House 10/ 28/ 2016 1 AGE NDA: Me e t & Gre e - - PowerPoint PPT Presentation

10/ 28/ 2016 1

Ma yo r K a sim Re e d

T he De pa rtme nt o f Wa te rshe d Ma na g e me nt & Atla nta Me mo ria l Pa rk Co nse rva nc y

Community Ope n House

10/ 28/ 2016 2

• Me e t & Gre e t
• Ope ning Re ma rks & I

ntro duc tio ns

– Distric t 8 Co unc il Me mb e r Yo la nda Adre a n – De pa rtme nt o f Wa te rshe d Ma na g e me nt, Co mmissio ne r

K ishia L . Po we ll

– AMPC E

xe c utive Dire c to r, Ca the rine Spillma n

– Me mo ria l Pa rk T

e c hnic a l Adviso ry Gro up me mb e rs, o the r Civic L e a de rs a nd Offic ia ls

• De pa rtme nt o f Wa te rshe d Ma na g e me nt – Pre se nta tio n
• Q&A
• Clo sing Re ma rks

AGE NDA:

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AMPT AG-DWM COL L ABORAT I VE

T he Atla nta Me mo ria l Pa rk T e c hnic a l Adviso ry Gro up (AMPT AG) a nd the City o f Atla nta ’ s De pa rtme nt o f Wa te rshe d Ma na g e me nt (DWM) a re e ng a g e d in o ng o ing disc ussio ns a nd sc he dule d wo rksho ps a sso c ia te d with the fo llo wing g o a ls: 1. E limina te we t we a the r o ve rflo ws within a nd ne a r Me mo ria l Pa rk a nd within the Pe a c htre e Cre e k Se we r Ba sin; a nd 2. Pro te c t wa te r q ua lity in Pe a c htre e Cre e k

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E PA/ E PD Co nse nt De c re e s

• 1995 la wsuit re sults in two (2) Co nse nt De c re e s
• CSO Co nse nt De c re e (Se p 1998) – Pro je c t c o mple tio n

b y 2008 (a c hie ve d)

• Re d uc e CSOs fro m 100/ yr. a t e a c h o f 6 fa c ilitie s to 4/ yr.
• Ac hie ve wa te r q ua lity sta nd a rd s a t po int o f d isc ha rg e
• SSO Co nse nt De c re e (De c 1999) Pro je c t c o mple tio n b y

2027 (pe r a me ndme nt a ppro ve d 2012)

• Sto p 1000+ a nnua l se we r spills
• Ac hie ve a re lia b le se we r syste m
• Imple me nt MOMS pla n

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Cle a n Wa te r Atla nta : Ove rvie w

• Re spo nsib le fo r the o ve ra ll ma na g e me nt o f the City’ s two

Co nse nt De c re e s – CSO a nd SSO.

• Cha rg e is to a ddre ss o pe ra tio n o f the City’ s wa ste wa te r

fa c ilitie s a nd a ddre ss CSOs a nd SSOs within the c ity.

• Re spo nsib le fo r pla nning , de sig n, a nd c o nstruc tio n o f

impro ve me nts to the City's wa ste wa te r c o lle c tio n syste m, a s we ll a s e nviro nme nta l c o mplia nc e a nd re po rting to c o mply with the Co nse nt De c re e s.

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Cle a n Wa te r Atla nta : Go a l

• Cle a n Wa te r Atla nta re c o g nize s tha t Atla nta ’ s e c o no mic

g ro wth, jo b s, a ffo rda b ility a nd q ua lity o f life a ll de pe nd o n c le a n wa te r.

• As suc h, the a im o f Cle a n Wa te r Atla nta is to de ve lo p a nd

imple me nt a lo ng -te rm pla n to e nsure hig h q ua lity drinking wa te r fo r Atla nta , a nd c le a n stre a ms a nd wa ste wa te r flo ws fo r Atla nta a nd its do wnstre a m ne ig hb o rs.

• T

he a mb itio n o f Cle a n Wa te r Atla nta is to c o ntinue e ffo rts to c re a te the c le a ne st urb a n stre a ms a nd rive rs in the c o untry a nd o pe ra te a “Be st I n Cla ss” utility.

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Pe a c htre e Cre e k Se we r Ba sin: Ove rvie w

• T

he Pe a c htre e Cre e k Ba sin is o ne

• f (10) se we r b a sins a nd is lo c a te d

in the no rthe rn po rtio n o f the City’ s se we r syste m.

• Wa ste wa te r flo ws c o lle c te d within

the Pe a c htre e Cre e k Ba sin a re c o nve ye d to the Pe a c htre e Cre e k T runk Syste m a nd o nwa rd to RM Cla yto n WRC fo r tre a tme nt.

• Wa ste wa te r g e ne ra te d b y De ka lb

Co unty is a lso c o nve ye d thro ug h City trunk a nd re lie f se we rs to the RM Cla yto n WRC a nd is c o ve re d b y the te rms

• f

a n inte r- jurisdic tio na l (I

• J) a g re e me nt

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Pe a c htre e Cre e k Se we r Ba sin: Dra ina g e Are a

DeKalb County

61.1 Sq. Mile s

City of Atlanta

33.5 Sq. Mile s

City of Atla nta De Ka lb County T

• ta l

Dra ina g e a re a to Pe a c htre e Cre e k Ba sin 33.5 sq . mi. 61.1 sq . mi. 94.6 sq . mi. Ave ra g e Dry We a the r F lo w 20 MGD 23 MGD 43 MGD Atla nta

De Ka lb Co unty

Pipe is F ull

96” 1.5” o f Ra in in Pe a c htre e Ba sin 96”

Pipe is 2/ 3 F ull

Dry We a the r F lo w in Pe a c htre e T runk

Atla nta De Ka lb

Co unty

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Pe a c htre e Cre e k Se we r Ba sin – Se we r Ne two rk

Se we r s date bac k to e ar ly 1900’s.

Me mor ia l Pa r k

Post-1970’s

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De c e mb e r 24 - 25, 2015 – Ra in E ve nt

• L

a rg e re pe a te d ra infa ll e ve nts; 5 inc he s o ve r 2 da ys

• F

lo o ding fro m Pe a c htre e Cre e k

• Co nstra ints a t RM Cla yto n WRC
• 10:30a m - the c re e k ro se b e yo nd its b a nks spre a ding

into the pla yg ro und a nd into the se we r

• ~10:50a m, the ma nho le b e g a n to o ve rflo w whe n the

c re e k wa s ~ 1.5 ft o ve r the ma nho le rim

2-3’ 14’ 17.5’ 1.5’ Manhole Sewer Pipe

Memorial Park Ground Surface

Peachtree Creek

Estimated flood stage on Dec 24, 2015 Typical stage during dry weather flows

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T HE PAT H F ORWARD

T he City De pa rtme nt o f Wa te rshe d Ma na g e me nt is c o mmitte d to a c hie ving the g o a l to e limina te we t we a the r-re la te d se we r

• ve rflo ws within Me mo ria l Pa rk a nd the Pe a c htre e Cre e k Ba sin.

T he City ha s de ve lo pe d a c o mpre he nsive list o f c o mple te d, pla nne d, a nd po te ntia l pro je c ts, a s we ll a s the ir e xpe c te d b e ne fic ia l impa c ts to c o ntinue e ffo rts to wa rds a c hie ving this g o a l.

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(12) COMPL E T E D PROJE CT S

PROJE CT BE NE F ICI AL IMPACT

Histo ric a l Re ha b ilita tio n – E a rly – Mid 1990’ s (Va rio us CI PP) E limina te d struc tura l de fe c ts fo und during SSE S a nd re duc e I / I No rth F

• rk Pe a c htre e Cre e k Re lie f Se we r I

mpro ve me nts – 2001 Pro vide d se we r syste m c a pa c ity pe r de sig n sto rm -- e limina te we t we a the r se we r o ve rflo ws F a irmo nt/ Glidde n Se we r Se pa ra tio n – 2001 Re duc e d CSOs a nd impro ve d wa te r q ua lity Orme Stre e t T runk Re lie f Se we r I mpro ve me nts - 2002 Pro vide d se we r syste m c a pa c ity pe r de sig n sto rm -- e limina te we t we a the r se we r o ve rflo ws So uth F

• rk Pe a c htre e Cre e k T

runk Re lie f Se we r I mpro ve me nts– 2003 Pro vide d se we r syste m c a pa c ity pe r de sig n sto rm -- e limina te we t we a the r se we r o ve rflo ws I ndia n Cre e k Re lie f Se we r I mpro ve me nts - 2003 Pro vide d se we r syste m c a pa c ity pe r de sig n sto rm -- e limina te we t we a the r se we r o ve rflo ws Se we r Gro up One (SG1) Sma ll Dia me te r Re ha b ilita tio n – 2008 E limina te d struc tura l de fe c ts fo und during SSE S a nd re duc e I / I We st CSO T unne l & WQCF – 2009 Pro vide d c o mb ine d syste m sto ra g e fo r pe a k we t we a the r flo w a wa iting a dditio na l tre a tme nt Old F

• urth Wa rd Po nd – 2011

Re duc e d pe a k we t we a the r flo w to c o mb ine d se we r syste m Se we r Gro up T wo (SG2) Sma ll Dia me te r Re ha b ilita tio n – 2011 E limina te d struc tura l de fe c ts fo und during SSE S a nd re duc e I / I Pe a c htre e T runk Re lie f Se we r Re ha b ilita tio n (Bo b b y Jo ne s Go lf Co urse ) – 2014 CI PP line r insta lle d to a lle via te se we r disc ha rg e to c re e k L idde ll Pe a c htre e Cre e k Sto ra g e F a c ility & Pump Sta tio n - 2014 Re duc e d pe a k we t we a the r flo w to Pe a c htre e Cre e k T runk syste m.

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PL ANNE D PROJE CT S: Unde rwa y

1. RM Cla yto n WRC He a dwo rks:

Sc ope :

• Co nstruc t ne w pla nt he a dwo rks

Be ne fic ia l Impa c t:

• I

mpro ve flo w hydra ulic s a nd c a pa c ity e nte ring the fa c ility

• I

mpro ve g rit re mo va l a nd re duc e the da ma g ing e ffe c ts o f g rit o n sub se q ue nt unit pro c e sse s

• I

nsta lla tio n o f ne w influe nt flo w mo nito ring e q uipme nt to a c c ura te ly mo nito r flo ws

Sc he dule :

• Co nstruc tio n:

Sta rt – Qtr. 1 2014; Co mple te – Qtr. 2 2018

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PL ANNE D PROJE CT S: Unde rwa y

2. Pe a c htre e Cre e k T runk Sta b iliza tio n:

Sc ope :

• Cle a n: 700 L

F

• f 96 “ pipe , 1,300 L

F

• f 90” pipe , a nd

1,800 L F

• f 66” pipe .
• Insta lla tio n o f a ppro x. 11,000 L

F

• f g ro ute d PVC pro file

line r syste m

• Cle a n Wo o d wa rd Wa y Sipho n tha t is lo c a te d within the

vic inity o f Bo b b y Jo ne s Go lf Co urse .

Be ne fic ial Impac t:

• Re d uc e I/ I

fro m e nte ring se we r a nd ro b b ing ne e d e d c a pa c ity

• Sa fe g ua rd a g a inst future b re a c he s a nd e nsure s pub lic

he a lth a nd sa fe ty

• e nsure s lo ng -te rm struc tura l inte g rity o f 90” d ia me te r

trunk se we r fo r 50+ ye a rs

Sc he dule :

• Pro c ure Co nstruc tio n: Qtr. 4 2016
• Awa rd : Qtr. 2 2017
• Co nstruc tio n:

Sta rt - Qtr. 2 2017; Co mple te – Qtr. 4 2018

RM Cla yton WRC Me moria l Pa rk

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PL ANNE D PROJE CT S: Ne a r T e rm

1) Ho we ll Mill Outfa ll – Re pla c e me nt/ Upsize / Re a lig nme nt

• Be ne fic ial Impac t : E

limina te a e ria l c ro ssing , so urc e o f re pe a t o ve rflo ws 2) Oldfie ld Outfa ll (Wo o d wa rd Wa y Ae ria l) – Re pla c e me nt/ Re a lig nme nt

• Be ne fic ial Impac t : E

limina te a e ria l c ro ssing , so urc e o f re pe a t o ve rflo ws 3) Pro c to r Cre e k Dive rsio n Struc ture Re ha b ilita tio n a nd Auto ma tio n

• Be ne fic ial Impac t: Ab ility to dive rt up to 10 MGD fro m RM Cla yto n WRC to Uto y Cre e k WRC

4) Bo lto n Rd. Pump Sta tio n Re ha b ilita tio n

• Be ne fic ial Impac t: Ne w pumps to pro vide inc re a se d c a pa c ity to dive rt flo w to Uto y Cre e k WRC

5) Cle a r Cre e k We st Se we r Impro ve me nts - Civic Ce nte r Sto ra g e Va ult

• Be ne fic ial Impac t: Re duc e s pe a k we t we a the r flo w to c o mb ine d se we r syste m

6) Adva nc e d SG4 Re ha b ilita tio n Pro je c ts (within Pe a c htre e Cre e k Ba sin a nd kno wn re pe a t spill lo c a tio ns)

• Be ne fic ial Impac t: E

limina te so urc e s o f re pe a t we t we a the r se we r o ve rflo ws

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PL ANNE D PROJE CT S: F uture

1) SG4 Sma ll Dia me te r Re ha b ilita tio n (within Pe a c htre e Cre e k Ba sin) – F ACD De a dline 2025

• Be ne fic ial Impac t: E

limina te struc tura l de fe c ts fo und during SSE S a nd re duc e I/ I up to 20% (ne ig hb o rho o d se we rs) a nd up to 60% (trunk se we rs) within impa c te d se we rshe ds 2) SG5 Sma ll Dia me te r Re ha b ilita tio n (within Pe a c htre e Cre e k Co mb ine d Se we r Are a s)– F ACD De a dline 2026

• Be ne fic ial Impac t: E

limina te struc tura l de fe c ts fo und during SSE S a nd re duc e infiltra tio n up to 20% (ne ig hb o rho o d se we rs) a nd up to 60% (trunk se we rs) within impa c te d se we rshe ds 3) SG5 Ca pa c ity Re lie f Pro je c ts (within Pe a c htre e Cre e k Ba sin)– F ACD De a dline 2026

• Be ne fic ial Impac t: Pro vide se we r syste m c a pa c ity pe r de sig n sto rm -- e limina te we t we a the r

se we r o ve rflo ws 4) SG6 Ca pa c ity Re lie f Pro je c ts (within Pe a c htre e Cre e k Ba sin Co mb ine d Se we r Are a s)– F ACD De a dline 2027

• Be ne fic ial Impac t: Pro vide se we r syste m c a pa c ity pe r de sig n sto rm -- e limina te we t we a the r

se we r o ve rflo ws

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POT E NT I AL PROJE CT S

Base d o n Re sults o f Hydraulic Mo de ling and Analysis

• E

va lua te Ra ising 5 Ma nho le s – within Me mo ria l Pa rk / Bo b b y Jo ne s Go lf Co urse

–

Ma y o ffe r te mpo ra ry, sho rt-te rm e limina tio n o f se we r o ve rflo ws within Pa rk, while a wa iting c o mple tio n o f lo ng e r-te rm pro je c ts

• Syste m-Wid e Optimiza tio n o f Ope ra tio ns

–

Ana lyze o pe ra tio n o f L id d e ll T a nk – re d uc e c o nse rva tive o pe ra tio na l se t-po ints

–

Upg ra d e Bo lto n Rd Pump Sta tio n – Dive rt flo w fro m RM Cla yto n to Uto y Cre e k WRC

–

E va lua te We st WQCF – tre a t mo re c o mb ine d se we r flo w fro m T a nya rd / Cle a r Cre e k

–

Optimize sto ra g e o f flo w within Na nc y Cre e k T unne l

• E

va lua tio n o f Ad d itio na l We t We a the r Sto ra g e F a c ilitie s

–

Ad d itio na l L a rg e Sto ra g e T a nk o n No rth F

• rk Pe a c htre e Cre e k (simila r to L

id d e ll T a nk)

–

Ad d itio na l Sto ra g e T a nk a t L id d e ll Site

–

Sto ra g e / Co nve ya nc e T unne l to RMC (simila r to NC T unne l)

–

Sto ra g e / Co nve ya nc e T unne l to NCT Ac c e ss Sha ft

–

Sto ra g e / Co nve ya nc e T unne l fro m So uth/ No rth F

• rk Sto ra g e T

a nk(s) to NC T unne l

–

L a rg e r Pe a c htre e T runk Se we r

• Ad d itio na l Sto ra g e Pro je c ts (within Pe a c htre e Cre e k Co mb ine d Se we r Are a s)
• F

urthe r re d uc e pe a k we t we a the r flo w within c o mb ine d se we r syste m

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SCHE DUL E : Unde rwa y & Ne a r T e rm

1Q 2017 2Q 2017 3Q 2017 4Q 2017 1Q 2018 2Q 2018 3Q 2018 4Q 2018 1Q 2019 2Q 2019 3Q 2019 4Q 2019 1Q 2020 2Q 2020 3Q 2020 4Q 2020 RM Cla yton WRC He a dwor ks Pe a c htr e e Cr e e k T r unk Sta biliza tion Howe ll Mill Rd. Outfa ll Re a lig nme nt Woodwa r d Wa y Re a lig nme nt Pr

• c tor

Cr e e k Dive r sion Str uc tur e Re ha bilita tion Bolton Rd. Pump Sta tion Re ha bilita tion Cle a r Cr e e k We st Se we r Impr

• ve me nts

Adva nc e d SG4 Re ha bilita tion Pr

• je c ts

Unde rwa y Ne a r T e rm

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T HANK YOU

10/ 28/ 2016 20

Q&A