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8/10/2019 Fleischmanns LFA Meeting 11-18-14 for Village
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EastBranchFloodCommissionandDelawareCountySoil&WaterConservationDistrict | November18,2014
Local
Flood
Analysis
Project
MeetingVillageofFleischmannsDavid
Murphy,
P.E.,
CFM
MarkCarabetta,PWS,CFM
8/10/2019 Fleischmanns LFA Meeting 11-18-14 for Village
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Agenda
Reviewstudyareaandmodelingconcepts
Overview
of
alternatives Reviewresultsofmodeling
Nextsteps
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ProjectArea
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HydraulicModelingConcepts
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OverviewofAlternatives
Hydrologic(forfuturemeetings)
Alt
2
Storage
of
water
in
Lake
Switzerland Alt3 Vly/Emorybypass
Hydraulic(focusforthismeeting)
Alt1 Bridgereplacements
Alts4,5,6,7,8,9 Floodplaincreationor
enhancement
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OverviewofAlternatives
1. BridgeReplacements
a. EmoryBrookatMainStreet
b. EmoryBrookatWagnerAvenue
c. Vly CreekatMillStreet
d. Vly CreekatMainStreet
e. LittleRed
Kill
at
Snyder
Avenue
f. LittleRedKillatMainStreet
g. LittleRedKillatBridgeStreet
h. Bush
Kill
Creek
at
the
former
Bridge
Street
bridge
(subject
of
meetingsinJulyandAugust2014)
i. BushKillCreekatDepotStreet
j. BigRedKillatOldRoute28
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OverviewofAlternatives
FloodplainCreation,Enhancement,etc.
4. Upstreamarea(Emory/Vly confluence)
5. BridgeStreetareaofBushKill(topicofpreviousmeetings)
6. MiddleareaofBushKill(westendofWagnerAvenue,DepotStreet,
andlumberyards)
7. Downstreamarea
of
Bush
Kill
(along
Route
28)
DownstreamareaofBushKill+BigRedKill
8. Vly CreekatMillStreet
9. EmoryBrookatWagnerRoad
Mostalternativesarerelativelymodularanddontaffectoneanother
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0 1000 2000 3000 4000
1500
1510
1520
1530
1540
1550
EB_Project_MM I Plan: Duplicate Effective Emory 5/15/2014
Main Channel Distance (ft)
Elevation(
ft)
Legend
WS 500 YR
WS 100 YR
WS 50 YR
WS 25 YR
WS 10 YR
Ground
ReviewResultsofModeling
Wag
nerStreetBri
dge
MainStreetBri
dge
Con
fluenc
ewithBush
kill
1a.BridgeReplacement EmoryBrookatMainStreet
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0 50 100 150 200 250 3001535
1540
1545
1550
1555
1560
1565
EB_Project_MM I Plan: Dupli cate Effective Emory 5/15/2014EMO 09: Main Street
Station (ft)
Elevation(
ft)
Legend
WS 500 YR
WS 100 YR
WS 50 YR
WS 25 YR
WS 10 YR
Ground
Ineff
Bank Sta
.06 .04 .06
ReviewResultsofModeling
1a.BridgeReplacement EmoryBrookatMainStreet
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ReviewResultsofModeling
1a.BridgeReplacement EmoryBrookatMainStreet
Proposed
improvements
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ReviewResultsofModeling
1a.BridgeReplacement EmoryBrookatMainStreet
Current
depths
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0 500 1000 1500 2000 2500 3000 3500
1500
1520
1540
1560
VlyCreek_MM I Plan: Corrected Effective VlyCreek Pl an 5/15/2014
Main Channel Distance (ft)
Elevation(
ft)
Legend
WS 500 YR
WS 100 YR
WS 50 YR
WS 25 YR
WS 10 YR
Ground
ReviewResultsofModeling
MainStreetBr
idge
M
illStreetBr
idge
Dama
tLakeSwitz
erlan
d
Con
fluen
cewithBus
hkill
4aand4b.FloodplainEnhancementatVly nearConfluence
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ReviewResultsofModeling
0 100 200 300 400 500 600 700 8001500
1505
1510
1515
1520
1525
1530
VlyCreek_MMI Plan: Corrected Effective VlyCreek Plan 5/15/2014
VLY_03X
Station (ft)
Elevation(
ft)
Legend
WS 500 YR
WS 100 YR
WS 50 YR
WS 25 YR
WS 10 YR
Ground
Ineff
Bank Sta
.06 .045 .08 .045 .06
Emory Brook
4aand4b.FloodplainEnhancementatVly nearConfluence
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ReviewResultsofModeling
4aand4b.FloodplainEnhancementatVly nearConfluence
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ReviewResultsofModeling
4a.FloodplainEnhancementatVly nearConfluence
Currentdepths
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ReviewResultsofModeling
4a.FloodplainEnhancementatVly nearConfluence
Depthsafter
floodplain
project
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ReviewResultsofModeling
4a.FloodplainEnhancementatConfluence
Comparisonof
inundated
areas
Motel100yr
WSEchanges
from1520.8
to
1517.9andit
partlyleaves
theSFHA
School100yr
WSEchanges
from1515.2to
1513.4
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ReviewResultsofModeling
4b.LargerFloodplainEnhancementatConfluence
Depthsafter
floodplain
project
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ReviewResultsofModeling
4b.LargerFloodplainEnhancementatVly nearConfluence
Comparisonof
inundated
areas
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16000 18000 20000 22000 24000
1440
1460
1480
1500
BushKill _MM I Plan: Existing Conditions Bushkill 5/15/2014
Main Channel Distance (ft)
Elevation(
ft)
Legend
WS Q500
WS Q100
WS Q50
WS Q25
WS Q10
Ground
ReviewResultsofModeling
Route
28Bri
dge
Dep
otStreet
Bri
dgeS
treetConstriction
6aand6b.FloodplainEnhancementnearDepotStreet
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ReviewResultsofModeling
0 100 200 300 400 500 600 7001460
1465
1470
1475
1480
1485
BushKill _MMI Plan: Existing Conditions Bushkil l 5/15/2014BUS_37X
Station (ft)
Elevation(
ft)
Legend
WS Q500
WS Q100
WS Q50
WS Q25
WS Q10
Ground
Ineff
Bank Sta
.055 .045 .04 .0
55
Warehouses
6aand6b.FloodplainEnhancementnearDepotStreet
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0 100 200 300 400 500 600 700 8001470
1475
1480
1485
1490
1495
BushKil l_MMI Plan: Existing Conditions Bushkill 5/15/2014BUS 39: DEPOT STREET
Station (ft)
Elevatio
n(
ft)
Legend
WS Q500
WS Q100
WS Q50
WS Q25
WS Q10
Ground
Ineff
Bank Sta
.08 .035 .055
House
ReviewResultsofModeling
6aand6b.FloodplainEnhancementnearDepotStreet
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ReviewResultsofModeling
6aand6b.FloodplainEnhancementnearDepotStreet
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ReviewResultsofModeling
6a.FloodplainEnhancementatDepotStreet
Currentdepths
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ReviewResultsofModeling
6a.FloodplainEnhancementatDepotStreet
Depthsafter
floodplain
project
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ReviewResultsofModeling
6a.FloodplainEnhancementatDepotStreet
Comparisonof
inundatedareas
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ReviewResultsofModeling
6b.LargerFloodplainEnhancementatDepotStreet
Currentdepths
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ReviewResultsofModeling
6b.LargerFloodplainEnhancementatDepotStreet
Depthsafter
floodplainproject
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ReviewResultsofModeling
6b.LargerFloodplainEnhancementatDepotStreet
Comparisonof
inundatedareas
Homesatthe
westendof
Wagner
see
a
100yrWSE
reductionfrom
1487.2to
1483.8
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ReviewResultsofModeling
7a.FloodplainEnhancementatOldRoute28
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ReviewResultsofModeling
7a.FloodplainEnhancementatOldRoute28
Currentdepths
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ReviewResultsofModeling
7a.FloodplainEnhancementatOldRoute28
Depthsafter
floodplainproject
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ReviewResultsofModeling
7a.FloodplainEnhancementatOldRoute28+BigRedKill
Current
inundationarea
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ReviewResultsofModeling
7a.FloodplainEnhancementatOldRoute28+BigRedKill
Currentdepths
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ReviewResultsofModeling
7a.FloodplainEnhancementatOldRoute28+BigRedKill
Depthsafter
floodplainproject
SelfStorage
100yrWSE
changesfrom
1473.4to
1472.5
Atnearby
homes,WSE
changesfrom
1458.0to
1457.0
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ReviewResultsofModeling
7b.ExtensiveFloodplainEnhancementatOldRoute28
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ReviewResultsofModeling
7b.ExtensiveFloodplainEnhancementatOldRoute28
Currentdepths
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ReviewResultsofModeling
7b.ExtensiveFloodplainEnhancementatOldRoute28
Depthsafter
floodplainproject
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ReviewResultsofModeling
8.FloodplainEnhancementatMillStreet
Needstobe
combinedwith
other
alternatives
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ReviewResultsofModeling
Reminder:
4a.
Floodplain
Enhancement
at
Vly
Depthsafter
floodplainproject
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ReviewResultsofModeling
8b+1d+4a
Comparisonof
inundated
areas
Motel100yr
WSEchanges
from1520.8to
1517.1and
it
partlyleaves
theSFHA
School100yr
WSEchanges
from1515.2to
1513.4
l f d l
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0 1000 2000 3000 4000
1500
1510
1520
1530
1540
1550
EB_Project_MM I Plan: Duplicate Effective Emory 5/15/2014
Main Channel Distance (ft)
Elevation(
ft)
Legend
WS 500 YR
WS 100 YR
WS 50 YR
WS 25 YR
WS 10 YR
Ground
ReviewResultsofModeling
WagnerStreetBri
dge
MainStreetBri
dge
Con
fluen
cewithBus
hkill
9.EmoryBrookfloodplain
R i R l f M d li
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ReviewResultsofModeling
CrossSection1068 WagnerAvenueBridge PartofFloodplainisusedbyVlyCreekFloodwater
0 50 100 150 2001505
1510
1515
1520
1525
EB_Project_MMI Plan: Dupli cate Effective Emory 5/15/2014EMO 04: Wagner Avenue
Station (ft)
Elevation(
ft)
Legend
WS 500 YR
WS 100 YR
WS 50 YR
WS 25 YR
WS 10 YR
Ground
Ineff
Bank Sta
.06 .04 .06
R i R lt f M d li
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ReviewResultsofModeling
9.EmoryBrookfloodplain
9aloneisnot
effective
due
tobackwater
atWagnerRd
bridge
1breplacesthe
WagnerRd
bridge
4bistheVly
floodplainwe
discussed
earlier
R i R lt f M d li
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ReviewResultsofModeling
9.Emory
Brook
floodplain
Currentdepths
9aloneisnot
effectivedue
tobackwater
atWagnerRd
bridge
1breplacesthe
WagnerRd
bridge
4bis
the
Vly
floodplainwe
discussed
earlier
R i R lt f M d li
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ReviewResultsofModeling
9.Emory
Brook
floodplain
Depthsafter
floodplain
project
Citgo100yr
WSEchanges
from1520.8to
1518.9and
it
appearsto
shiftoutofthe
SFHA,although
floodingfrom
Vly maystill
affectit
Review Results of Modeling
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ReviewResultsofModeling
LittleRed
Kill
Next Steps
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NextSteps
Refinehydraulicalternativesthathavemerit
Evaluatehydrologicalternatives
Preliminarybenefitcostanalysis
Meettoreviewresults