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[Music]

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[Music]

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we have the City Council with you with
our joining the Pledge of Allegiance

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place sort of the will call please
a or white here deputy mayor seller your

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councilmember time here counts member
Rodriguez cast members Sanchez just

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enter your change go to our general item
which is a doctrine of a resolution of

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ratifying the proclamation of a local
emergency honorable mayor in council

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members and staff gonna be providing a
presentation for you it's a

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recommendation to adopt a resolution but
an overview of the rain events on Friday

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and damages public infrastructure as a
result and so deputy chief Pete Lawrence

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will go first followed by Carey Dale and
then Kyle Coker and we will all be

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available for questions after the
presentation

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all right good afternoon honorable mayor
members of council people our

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institution Chiefs at the fire
department and I've been asked to give

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some context in some information
relating to the the storm that occurs to

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flash Friday so we had a week's worth of
rain but the important part is is that

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on Friday we set a single-day rainfall
record for Oceanside obviously it's

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tough Harbor it's not further inland but
we had a three point one eight inch

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today 24-hour days for parking at
midnight and those records there go back

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until 1909 so the most rain we've had in
a single day in any month throughout the

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the last 111 years so our biggest
problem as well with the rainfall rate

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we didn't just have one day of rain but
we had a whole week's worth of rain and

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we have very high 12 hour rate so we
have 12 2 inches of rain throughout the

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city through the course of the day and
it was falling on the back of a lot of

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rain that had occurred over the weeks
leading the saturated soil so the runoff

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that occurred on Friday was pretty
astronomical for all the flooding that

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we've had here in the city our call for
service both police and fire went up 50%

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there was a large quantity of people
that were in we were lucky that it

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wasn't the normal Friday where people
were out driving for their traffic

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accidents were not a huge component but
lots of calls for service ranging from

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fires to flooding calls to water rescues
to trees into into buildings we have a

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lot of tree failures again there trees
that fell over because of the saturated

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soil that we were encountering the
family or a river has been trending very

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low minimal water flow it's increase in
flow over a thousand percent in one day

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we went from a 7 foot height to a 16
foot height and to put that kind of in

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context just the flow and people talk
about cubic feet per second

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most people don't you know seven gallons
are they per cubic foot

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it went from 200 to 24,000 gallons per
minute to 2.5 million gallons per minute

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at its peak and so it keeps it a little
over 16 feet on Friday

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it went up immediately it was not a
gradual it was a very rapid rise so

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gives you an indication of the amount of
rain that fell not only here in

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Oceanside but in the henshaw Basin
basically and the sand where a valley so

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it's tremendous amount of water all at
once

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fortunately we didn't have any flooding
event of the dig breakthrough with the

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harbor and we ended up with a lot of
debris that traveled on to the beaches

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etc so emergency Proclamation this is
the first time since the 1990s we've had

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concurrence inversion serious running
and that was a flooding events where we

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got hit twice in the same month by
floods so we've had a local emergency in

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effect for the coronavirus a local
emergency was proclaimed by the city

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manager on the 10th of April and neither
the county nor any other cities within

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the county have proclaimed the local
emergency because this was a very

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localized kind of event it was pretty
much Del Mar to about midway through

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Camp Pendleton let's say like olga's
the rainfall that occurred in San

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Clemente was in the hundredths of an
inch versus in the multiple inches so

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you can see that this was basically a
stream of water that was aimed at the

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North County the city proclaimed the
local emergency because we did have

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significant damage and we both have
water they have water utilities and

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Public Works here to speak to the damage
that occurred to their individual

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facilities the reason I bring up that
neither the county nor the city has

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proclaimed the local emergency is
because it does make things a little bit

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more interesting for us as a city but we
do have a strategy for hopefully getting

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step or state financial aid I do not
anticipate that we will get any federal

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but we will be able to get reimbursement
assistance hopefully from the governor

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if we can't get it from the governor
then we're going to work toward the

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directors concurrence which we did in
1991 in 91 we had significant rainfall

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and we have damage to the Douglass
bridge we were one of the few cities

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with significant infrastructure damage
was about a million dollar repair and we

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were able to get the director to concur
that we had significant damage the

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downside is as we don't get any
emergency work covers we just get

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permanent work but that's our fallback
so we're hoping to be able to get

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through this emergency Proclamation hit
the emergency works and the emergency

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contracting taken care of and then move
towards trying to get reimbursement to

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the city we believe that we've got
sufficient damage to warrant a

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director's concurrence especially given
the economic impact that the Kovan virus

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is taking on the city's finances and so
that's what what we're going to be

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working towards at this point I'm going
to turn the presentation over to our

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water utilities director so we'll be
available if there's any additional

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comments or questions at the end of the
presentation

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bring that back up

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see that's an anon room here and Tulsa
members carry Jail what are you told the

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director appreciate the opportunity to
talk to you today about what we

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experienced last part it was pretty
significant that's Keith Lawrence

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mentions when we have that amount of
significant rainfall occurring in such a

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short amount of time it's typically
manifests itself in drainage through our

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waterways and especially additional
infiltration of rainwater and hits a

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gravity sewer system
the photo that I'm showing you here

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appears to be a river but it's actually
the 76 3 went 478 freeway that the El

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Camino overpass
it's looking south to the shops Metro

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Scott and I'm going to be talking about
a couple of different infrastructure

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issues that we have it it had in this
area specifically related to the

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flooding here before I go on to those
descriptions of those impacts I did want

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to also mention that in addition to
these sewer issues we did have water

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crews that were very busy on Friday
supporting the Public Works staff in

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responding to some of the landslide
issues that you'll hear Kyle talk about

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so the silver lining in this emergency
is that we actually do well with some of

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our projects one of them being the
emergency work to protect the manhole at

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TMR Drive City Council had declared an
emergency for repair work on February

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26th that manhole is adjacent to the
eastbound lane in the 78 freeway just to

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the east of the El Camino overpass this
is a picture of that site and here you

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can see if I can if you want to look at
the screen there's a dark image here

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that's sheet so showing that was put in
place to divert flow away from the

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manhole so we didn't have further
erosion the contractor had also worked

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through a previous story a few weeks
prior and was successful in it's

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affecting a man's life the picture on
the left is a close-up of the sheets off

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shoring which helps to divert the stream
flows away from the manhole and on the

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right are additional boulders that were
put in place to protect the manhole so

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from this perspective we did very well
we did not have any sort of ruptured

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pipe or a ruptured manhood so ever we
did experience overflows and

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infrastructure damage at three others
lights in the city the first one being

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the Buena Vista lift station which is
located just west of that flooded

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picture I showed you on the 78th so one
of if the lift station is located south

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of the 78 freeway in the parking cooking
area of the mall

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this is the aerial view of the site here
a little over two acres and it has an

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abandoned treatment facility outside as
well as two separate lift stations and

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old the station and new lift station

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this is a video that our crew took of
the berm that butts up against it one of

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us to Creek and to the last you'll see
that the Berlin breach before it flood

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waters were filling into the site and
everything was under water pumps motors

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electrical switch gear this is another
aerial photo taken later in the day on

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Friday when we've had an opportunity to
actually get a drone up when the rain

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stopped for a little bit I think it was
about 6:30 p.m. you'll see the site is

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totally under water again it's adjacent
to the point of a secrete just on the

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top part of the photograph

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this picture shows one of our three of
our five motors that have been a total

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loss at the station this was taken on
Saturday after some drainage had

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occurred we also lost two blowers and
blower fans three drive shafts and

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bearings three check valves will have to
be rebuilt the damage to the electrical

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equipment as you can imagine is
significant it really does not like to

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be wet and we've lost five soft starters
five contactors murder favors breakers

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electronics and SCADA hardware

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this picture was taken Saturday after
significant drainage had occurred so in

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total or preliminary estimates of
damages at the site to restore

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facilities is approximately $500,000 up
until the time that the site was flooded

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the station was working and checking
sewage for treatment of tourists

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analysts for a plant when it was flooded
and pumps were no longer able to convey

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the sewage for treatment we did still
approximately 1.2 million gallons into

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the crease as with the next projects
that I'll talk about we have been in

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contact with the regulatory agency to
give them a preliminary heads-up about

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the issues that we had experienced on
farting in addition we also had

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significant drainage that came in to the
gravity sewer system leading into the

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ocean side full of artless station which
is located on Oceanside Boulevard and

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i-5 just to the left this is a picture
of Vine Street where we had water coming

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up to remember this is one of several
areas where we had water coming up into

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the street and in total the amount
spilled was thirty-eight thousand

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gallons

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additionally our main wastewater
treatment facility the demonstrate water

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reclamation facility of the North River
Road also experienced difficulties this

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is a picture of our scada flow trends
and brown the squiggly line that you see

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going up and down that is the raw
influence or the amount of raw sewage

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that was coming into the plant in brown
the blue trail shows the flow that