Ha rtfo rd F Ha rtfo rd F lo o d Co ntro l Syste m lo o d Co ntro - PowerPoint PPT Presentation

Ha rtfo rd F Ha rtfo rd F lo o d Co ntro l Syste m lo o d Co ntro l Syste m Ove rvie w a nd Sta tus Ove rvie w a nd Sta tus Pre se nta tio n to Ma yo r Bro nin & the USACE Pre se nta tio n to Ma yo r Bro nin & the USACE Rive rfro nt Bo a tho use Rive rfro nt Bo a tho use Ha rtfo rd, Co nne c tic ut Ha rtfo rd, Co nne c tic ut Ma rc h 15, 2016 Ma rc h 15, 2016

I I ntro duc tio ns ntro duc tio ns City o f Ha rtfo rd • • Unite d Sta te s Army Co rps o f E ng ine e rs (USACE ) • Rive rfro nt Re c a pture Othe rs • – F uss & O’ Ne ill, I nc . – GE I Co nsulta nts, I nc .

Sha re d Re spo nsib ility Sha re d Re spo nsib ility

I I mple me nting the Risk F mple me nting the Risk F ra me wo rk ra me wo rk Answer the Build Shared Tell the Story Basic Questions Solutions Today • Advise • Inventory • Risk Assessments Action Context Condition • Plan Path • Periodic • Communication Forward Inspections - National Levee Database - Risk Assessments - Plan IRRMs - Inspection Ratings - Sponsor Meetings - SJs & FRMs And Eligibility - Public Dialogue - SWIFs - 408s

Ag e nda Ag e nda 1. Ba c kg ro und 2. Co nstruc tio n Wo rk Pe rfo rme d 3. Ma inte na nc e & Mo nito ring 4. SWI F Pro g ra m 5. Unde rse e pa g e Co nc e rns

Ba c kg ro und Ba c kg ro und

Co nne c tic ut Rive r Ba sin Co nne c tic ut Rive r Ba sin (Source: USACE)

F F lo o d o f 1936 lo o d o f 1936 L L o o king No rth o ve r Dutc h Po int T o o king No rth o ve r Dutc h Po int T o ward Bulke le y Bridg e o ward Bulke le y Bridg e (Source: Connecticut History Online)

F F lo o d o f 1936 lo o d o f 1936 F F ro nt Stre e t Ne ig hb o rho o d with Bulke le y Bridg e in the Distanc e ro nt Stre e t Ne ig hb o rho o d with Bulke le y Bridg e in the Distanc e (Source: Connecticut History Online)

F F lo o d o f 1936 lo o d o f 1936 So ldie rs’ and Sa ilo rs’ Me mo ria l Arc h a nd Ca pito l Building So ldie rs’ and Sa ilo rs’ Me mo ria l Arc h a nd Ca pito l Building (Source: Connecticut Historical Society)

F F lo o d Co ntro l Syste m Co nstruc tio n lo o d Co ntro l Syste m Co nstruc tio n Autho rize d b y the E me rg e nc y Re lie f Appro pria tio ns • Ac ts o f 1936, 1937, a nd 1938 • Co nstruc te d in se ve ra l pha se s b y the US Army Co rps o f E ng ine e rs fro m 1938 to 1981 Co nstruc tio n o f the d ike s a nd flo o dwa ll, 3 pump • statio ns, a nd Pa rk Rive r c o nduit b e g a n in 1938 a nd wa s c o mple te d in 1944 • T he la st po rtio ns (e .g ., F o lly Bro o k c o nduits, Pa rk Rive r c o nduit e xte nsio n, 2 pumping sta tio ns, a nd the a uxilia ry c o nduit) we re c o mple te d b y 1981

F F lo o d Co ntro l Syste m Co nstruc tio n lo o d Co ntro l Syste m Co nstruc tio n E E a rthe n le ve e c o nstruc tio n so uth o f Bulke le y Bridg e (c irc a 1940) a rthe n le ve e c o nstruc tio n so uth o f Bulke le y Bridg e (c irc a 1940)

F F lo o d Co ntro l Syste m Co nstruc tio n lo o d Co ntro l Syste m Co nstruc tio n F F lo o dwall c o nstruc tio n so uth o f Bulke le y Bridg e (c irc a 1940) lo o dwall c o nstruc tio n so uth o f Bulke le y Bridg e (c irc a 1940)

Ha rtfo rd F Ha rtfo rd F lo o d Co ntro l Syste m: Ove rvie w lo o d Co ntro l Syste m: Ove rvie w Pro vide s pro te c tio n a g a inst flo o ding fo r a ppro xima te ly • 3,000 a c re s o f de ve lo pe d urb a n a re a Ma in c o mpo ne nts o f the syste m inc lude : • – 6.4 mile s o f e a rthe n dike s – 0.8 mile s o f c o nc re te flo o dwa lls – Six pumping sta tio ns – T wo dra ina g e b a sins – T hre e pre ssure c o nduits – An a uxilia ry c o nduit

Ha rtfo rd F Ha rtfo rd F lo o d Co ntro l Syste m: Ove rvie w lo o d Co ntro l Syste m: Ove rvie w

T T ypic a l E ypic a l E a rthe n Dike Cro ss-Se c tio n a rthe n Dike Cro ss-Se c tio n Gravel Access Road Hand Placed Riprap Vegetative Cover Free Draining River Sand Rock Toe Drain Select Impervious Material Blanket Drainage Ditch Native Material Lateral Drain Steel Sheet piling Composition Overview

T T ypic a l E ypic a l E a rthe n Dike Cro ss-Se c tio n a rthe n Dike Cro ss-Se c tio n Infiltration Drainage Overview

L L e ve e a nd F e ve e a nd F lo o d E lo o d E le va tio n Co mpa riso n le va tio n Co mpa riso n T op of L e ve e ~10 fe e t fre e boa r d for the 500- ye a r flood Pr oba ble Ma ximum (“Cata str ophic ”) flood 500- ye a r flood 100- ye a r flood

F F lo o d o f 1984 lo o d o f 1984 Vie w lo o king no rth o f So uth Me a do ws Dike a nd Bra ina rd Airpo rt Vie w lo o king no rth o f So uth Me a do ws Dike a nd Bra ina rd Airpo rt

Re c e nt F Re c e nt F lo o d E lo o d E ve nts ve nts Rive rfro nt Pla za Rive rfro nt Pla za

Re c e nt F Re c e nt F lo o d E lo o d E ve nts ve nts Rive rfro nt Bo a t Ho use Rive rfro nt Bo a t Ho use

F F E E MA F MA F lo o d Ma p lo o d Ma p

F F E E MA Ac c re dita tio n MA Ac c re dita tio n Co mple te d in July 2009 a nd in e ffe c t fo r 10 ye a rs • Pre ve nts o wne rs within the le ve e pro te c te d a re a fro m • ha ving to o b ta in ma nda to ry flo o d insura nc e

F F E E MA Ac c re dita tio n Pub lic Outre a c h MA Ac c re dita tio n Pub lic Outre a c h As part o f the F E MA • Ac c re ditatio n pro c e ss: – Se nt ma ile rs to a ffe c te d pro pe rty o wne rs – Co nduc te d a Pub lic I nfo rma tio n Me e ting (te le vise d o n pub lic a c c e ss) No te : Minima l re spo nse • fro m the pub lic

L L e ve e Bre a c h Ana lysis e ve e Bre a c h Ana lysis Use d c o mpute r to o ls (Arc GIS & HE C-Ge o RAS) to simula te a le ve e b re a c h during a F E MA 100-ye a r flo o d in e a c h o f fo ur ne ig hb o rho o ds a nd Bre a c h L oc a tion de ve lo pe d ma ps sho wing po ssib le timing a nd e xte nts o f flo o ding

E E me rg e nc y Ope ra tio ns Pla n Anne x me rg e nc y Ope ra tio ns Pla n Anne x Wo rke d with Ha rtfo rd • E me rg e nc y Ope ra tio ns Ce nte r (E OC) to pre pa re a F lo o d E va c ua tio n Pla n • Inc o rpo ra te d ma ps fro m le ve e b re a c h a na lysis • Ha rtfo rd E OC re c e ive input fro m va rio us o the r c ity a g e nc ie s

Re g ula to ry Outre a c h Re g ula to ry Outre a c h Wo rke d with F E MA a nd the USACE during the 2009 • Ac c re ditatio n pro c e ss Re c e ive d c o st sha ring a ssista nc e fro m the State o f • Co nne c tic ut to fund pre vio us pro je c ts – Pro je c ts pe rfo rme d unde r CT DE E P o ve rsig ht • De ve lo pe d o utsta nding wo rking re la tio nships with the se a g e nc ie s

Po litic a l Outre a c h & Gra nt F Po litic a l Outre a c h & Gra nt F unding unding Assiste d Re pre se nta tive Jo hn L a rse n a nd his sta ff • during a Ma rc h 2013 L e ve e to ur a nd pre ss e ve nt in a n a tte mpt to re c e ive fe de ra l funding fo r F lo o d Co ntro l Syste m impro ve me nts Pursuing a ll a vaila b le funding o ppo rtunitie s • – F E MA – No e lig ib le pro je c ts this c yc le – Co nne c tic ut I nstitute fo r Re silie nc e a nd Clima te Ada pta tio n (CI RCA) – Wa te r Re so urc e s De ve lo pme nt Ac t (WRDA)

Co nstruc tio n Wo rk Co nstruc tio n Wo rk Pe rfo rme d Pe rfo rme d

Ve g e ta tio n Cle a ring Ve g e ta tio n Cle a ring Be fore Be fore Afte r Afte r No rth Me a do ws Dike Ne a r Po lic e F No rth Me a do ws Dike Ne a r Po lic e F iring Ra ng e iring Ra ng e

Anima l Burro w Re pa ir Anima l Burro w Re pa ir A po rtio n o f No rth Me a do ws Dike unde r re pa ir A po rtio n o f No rth Me a do ws Dike unde r re pa ir (sta ke s sho w b urro w lo c a tio ns) (sta ke s sho w b urro w lo c a tio ns)

Ripra p Re pa ir Ripra p Re pa ir Re mo va l o f disturb e d ripra p Re mo va l o f disturb e d ripra p

Dra ina g e Ditc h Re sto ra tio n Dra ina g e Ditc h Re sto ra tio n Be fore Be fore Afte r Afte r Dra ina g e ditc h No rth o f Hartfo rd L Dra ina g e ditc h No rth o f Hartfo rd L a ndfill a ndfill

T T o e Dra in Re pa ir o e Dra in Re pa ir T T o e dra in c lo g ge d with se dime nt b e ing c le a ne d o e dra in c lo g ge d with se dime nt b e ing c le a ne d

L L a te ra l Dra in Pipe Re pa ir a te ra l Dra in Pipe Re pa ir L L a te ra l dra in b e ing re pa ire d with HDPE a te ra l dra in b e ing re pa ire d with HDPE sle e ve sle e ve

Co nc re te F Co nc re te F lo o dwa ll Re pa ir lo o dwa ll Re pa ir Re pa ire d flo o dwa ll ke ywa y ne a r MI Re pa ire d flo o dwa ll ke ywa y ne a r MI RA Po we rpla nt RA Po we rpla nt

Auxilia ry Co nduit Se dime nt Re mo va l Auxilia ry Co nduit Se dime nt Re mo va l

No rth & So uth Me a do ws Po nd Dre dg ing No rth & So uth Me a do ws Po nd Dre dg ing

No rth & So uth Me a do ws Po nd Dre dg ing No rth & So uth Me a do ws Po nd Dre dg ing

So uth Me a do ws Pump ing Sta tio n Re ha b So uth Me a do ws Pump ing Sta tio n Re ha b Uppe r L Uppe r L e ve l e ve l L L o we r L o we r L e ve l e ve l