Sanitary Sewer System Study - 1956
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CITY OF SALINA
KANSAS
SANITARY SE\.JER SYSTEJvl STTJDY
If it,- ~;.. :;~ ;:N
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A. W. HawkesJ Mayor
C o.rr!lnlssioners
Dr. Hax Lake
Ralph Exline
E. P. Henger
Car} EB.msey
Lelar.d 11. Sra(~k, Hanagey-
Harold Eo Peterson, Clerk
R)Jdolph Berta, Attornev
fIe FoFlarper, ~~ngineer
.JULY 1956
( J-'")6-67)
\TILS ON & C Or,;,P ANY
ENGINEERS & AHClIT'TECTS
SALINA,e- KANSAS
,..
SALINA 9 KANSAS
SANITARY SEWER SYSTEM STUDY
ENGINEEHS v PRELIMINARY REPORT
Purpose of Report
The purpose of this report is to discuss the hiatory of the present
s811itary se--wer system; the. pr"jblems that are now present, the locati on and
construction of additional s9'i..'age p1JJliping stations and force mains needed
in the present system, and to provide estimates of costs of these improvementso
Pop u 1 a t ion
With the reactivation of Smoky HUI Air Force Base in 1951~ the poptu.a-
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tion of Salina has increased at a rate above the average, This rapid increase
the last five years has brought problems in the sanitary sewer system sooner
than normally expectedo However, 'the increase in population has not been
the main cause of the problems at hand 0 The present sanitary sewer system
as designed will care for t.he increase that has occurred and reserve capac.i.ty
lS st;ill present for adalt.lonal pop'11at,lon increase 9 .if the system is USed
as intended. 'rne main djffic111 t..y ~rith the system is being callE.ed by t'vJ.)
conditions, The continued .IS5 oft'he sY's tern far rainfall rimoff and the
r9pid inCr81.iSe of air cor,ditioners w-rLich are discharging l11'.conserved water
into the sanitary sewer systemo ThesE; two items will be disc~lssed later
in this report <
I
!!ii3t~rl of. the ...EIs~em
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The discharge of t.he first sa.ni.tary sewer system in Salina occurred
on the "West bank of the Smoky Hill River on Ash Street. As the Ci'ty built,-up
to the east of this poinT it was nec.essary to extend the system east
on Ash street and disc:ha.rge the untreated sewage in:,o the Smoky Hill River
at the east. end of Ash street.
As the City continued to increase in population, the am01mt of se'wage
flow exceeded the capacity of the Smoky Hill River to receive raw sewage and
provide enough dilution to prevent odor problems. In 1927 a sewage p-wnping
station, 20-inch cast iron force main a.nd primary sewage treatIJient plant was
constructed. The pumping station was located at the east end of Ash Street
near the outlet of the system. The sewage treatment plant was cmlstr'.'tcted
approximately 1-1/2 miles northeast of the City and the force main connected
to these two units.
In 1947, the City started a program to increase the capacity and also
provide secondary treatment at the sewage treatment plant. In the prel.iminary
report prepared by Wilson & Company, Engineers on the sewage treatment plant,
and, now on file with the City, itw"8.S pointed out that approximately
1,500,000 gallons per day of air conditioning water was being discharged
into the sanitary sewer system and it was recommended at that time that aIr
condItioning water be diverted to the storm sewer system as the design
of the sewage treatment plant would not be sized to care for this air condi-
tioningwater if the population increased.
2
In this SalTJ6 report it wascallE'd :: ,) th.e GHyt 2 a Uention that the
Ash Street VJmping st,atI::>!lwasinade',:r;:ate in pmrlping capa:.;.ity 0 The City
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st,arted planning the enlargemet,tof the p'i.ID1ping capacity but the Kansas
St,ate Board of HealtJJ \i8;',
tu p'Lmlping the entire flm. of sewage
trJol':ghthe present "'(}...:Odl f,,')rce main 0 Their objection being ba.sed
on the add 1\:iona1 power C' ():irC:s reqJ,'i.r8c1 t.J p'Jsh tJns lr:wreased flew thr o'::gh
t,hIs Inao:i'tlo Th.e;f mai.D.ta.:ined 'tbe ;,:';::t. :if' addi'tit.fna.:l f:;)r~~e main. ca,pac::l.t,y' c01.lld
be paId for by sa~nngs In p:-;\,ler C(,st,s 0 Tbe{'efcre,
increase the 1:::;8 pac: Ity
of the present. Pl::m.ping station Irl8.Sn.ct pe:,mittedo
Another objection the Kansas State Board of Health had was the design
of the vi'et well of the present s ta tion 0 The pre sent "wet well has a flat
bottom and they recommended the deepenl.ng of the present station to provide
a hoppered bottom~ in order to prevent solids from being deposited In the
corners of' the present wet 'W'ell where they become septic and cause odors
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III the area around the sta.t:Lm.1 +',his area being occ'~-pied by residence he'cming"
The revision of this existing pumping station must; be planned but tbe project
is beyond the scope of money that has been provided at this timeD There
should be money provided in the fi:dtIT"e to make this revisi.on"
One of the F:Tposes cf t,bis report .is to provide means of pDmping
the excess se"ra.ge tf';t,h€ sew'a.ge treatment planto
The excess Se1tlage flo~r
nGlti being discharged into the Smoky Hill River at; the Ea.st Ash Street pl,iInpi.'D.g
stationo
In 1951 additional housing in the s<,'!;thwest and southea.st portio:n
of Salina. which was calIsed
thE> reactivation of 3n:01~~y Hill A'i..::" Force B':ise.
eau.sed the City to construct a .large addit.l()n to their sanitary se\.rer syst.em,
This additional area "rCfi:ld overloa.d any uf the 8e1,1er3 at the l1pp'3!' reaches
of the present system. therefore~ tbe Ci
~{as compelled to carry this
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addii:i.onaJ. flow across the City to the intersection of Ohio and Ash Streets
-w'flich ::l.s only one block from the pre:sent Ash Street pumping station"
For the S8\4a.ge flo(4 east of the Smoky Bill River in Salina and the
sewage flow from the abo,re :reentJ..onad ne'w areae ~ the present Ash Street p';JJUplng
station and 20-inch force mait wcn have adeqcmte capaoity 0 'This condition
prompted investigaU.on of a lC1(Jatiort for a nev;J' p,::mping statio!L to care
fer the sewage flo'wl.lres+' of .the 3m.<:,ky H:Lil Hi vel' :not inc,h:tded above 0
The '::30nverg6!:1C6 of this portic:tJ. of t:t~e s;ysl~em is 8.ttne west hank of to!:€:
Smoky Hill RIver on Ash Street at the same locat:'.c,n of the original point.
r
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of discharge m.en tioned previmlsly 0
At this area the City nOlJ owns property on the SO'i:lth side of Ash street
which is being used as a storage yard, There is ample room to e,:mstru.O't a
sewage pumping stationo
At the time the Ash Street outfall was ':'o!ltin~l>Jd east of the river,
it was necessary to construct. this extension deeper than required to serve
the adjoining areao This was necessary in order to carry the Set/lage to the
pumping station on East Ash Stree~ by gravity flowo
Since thi s extension was c orLstn':.'~ ted there has been t}-lI'ee t lmes ',hat
see ticns of this sewer has failed 0 F'aiJ'nes D:::C'Jr when the Smoky Rill River
is 9..t f.lood stageo Apparently the deptb ,;ftbi2 SEly;'er is sufficient to be
laid in a formation that is affected by..n.e river a.t flood ;3Lageso
Ttie cGn.stru,Otion of tb.8 se"w"age }.)~':tmT.i.:ng e-tatioD. on 'thl~W8St side (if tI1e ri'~Tel"
at the lcc:a tior! des:;;: ibed w:YJ.ld "031'1n1 t ,."t:.8
c: ;~.ri.S 'i~-r-;un'l_,) a S=::~\h~~-r" o:n JLs:h
St<ree-r,., ea,st cf" th:.3 r~>i'ti'er- at a
e.l.\,'~:-:.va t......on i/lrn
:jlc-"'}.ld st.i.l1 se.r-\l:C) ':~rJ.E
a,dj acent, area and plbc:e t:L,-f'::;'Cl.~~;:'"l se \-J'E::r J.Il a nl:;>,~'_-e ~rt,~~lb .J.i; ,:>,,:.t)dl t-,.i.c~n a:r~d r ed.r~c:e
the possibili
,:-:f f\1t:;:refaLlure3
Ash Street
T't~i s portia:n of" the
constrIction '.:111 be considered as h,T':)Je!\!'~rk and 14il.l :t.ct be jncLu.ded
G
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In this study. It "rould appear advisable to consider this construction
after the sanitary and storm sewer systems are separated in Salina.
Until t;.his is done the present sewer can be u.sed as an emergency overflow
to conduct storm runoff to t.he river at the east end of Ash Street.
However, this pr"ocedure must be of a temporary na bEe and planning for the
separation of these two systems of sewers must be started as soon as possible.
Originally the sarli ta.ry sewer system in the north part of Salina was
con.structed as combined storm and sanitary sewers. The point of discharge
being into the Smoky Hill River near t,he east end of Pine Street.
Several years ago plannIng and constr~.lction of a storm se"wer system
provided mean.s of separatin.g this system into separate systems. The sanitary
sewers were extended south on F'ront Street from P'Lne Street to Ash Street
and the sanitary sewage diverted to the Ash Street seuer 0 Thi,j sewHge flow
can be diverted to the proposed sewa.ge pumping station.
5
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~~ist..ing East _Ash_~~!:...Pl.'!D.J2irlg St~io~
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The existir..g East Ash Street, pumping station was constructed in 1927.
The sta tior! is (;cmstrnct;ed of reinforced c:oncrete S"i.::bstructure and brick
pump house. The vleLw'ell and bar sC!reen :i s in the west portion of the
substruct'ure. The se~W'age p'l:impS are in the east portien with the electric
motors in the pump hOl:.se. The i.'wo portions of the substructure are separated
by a solid concrete walL Pump st1ctiofl pipes extend through this division
walL The pump house is over the east. portion only. A control manhole is
located just south of the pumping station w..'1ich permits flow to the wet well
or directly to the river. At the present time maximu..rn summer sewage flows
in excess of the pumping capacity is bypassed directly to the river.
It will be noted that the only bypassing now occurring is during the summer
months, this condition demonstrates the serious condition of air conditioning
.
water being discharged into the sani t.ary sewer system. During the \ormter
months except during rainfall periods the existing pumping station ..rill pump
all of the sewage flow, incl':lding peak flows. The item of air conditioning
water will be discussed later in this reporto
As the City cor:.tinues to i.tlCrease in population this ptlIuping station
14i11 become too small to pump the winter seW'-:i.ge flows and some relief' tV'lll be
nece ssary" The pu~pofje of this stTLdy is to nTovide this relief 0 As pein ted
out previously the area.s which were outlined to continu.e to flul.! to this
station 'will be small encugh to allow the present station to handle the flows
with enough reserve capacity to permit addit.ional grGw"th in population
in these areas. The map at the end (.I t,hi:s repo:"t 8h()\~'S the areas as disc1..)ssed v
The areas outlined are not
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sncrtN.tl lTL
r,fw deTail bU.t of a general nature.
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a detail area is not required since f(;:ture develc.pment is uncertain
as to location and extent~ also the capacities of the stations will provide
for additional flows in the future and not based on'precise areas now
contributing sewage fIol.iS"
E~i~~~~-!2!:~~1~i~
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The existing cast iron force main cCfi'Clec::::t:ing the East Ash Street pumping,
station to the present sewage treatment plallt, is 20 inches in diamet.er.
This force maln runs along the 'w'est bank of the Smoky Hill River from the
pumping station to the east side of Ohio Street~ then the force main crosses
under the river and continues north alc,ng:;he f,mst side of Ohio street
to the north side of the Missouri Par.dfJc; Railroadtrack9 then east along
the Missouri Pacific Railroad right...()f-.),oay to the sewage treatment plant"
This ;;W-inch force main rms ample capaci t.y fo!' the present pmnping capa.city.
Several years ago the C.ity planned to increase the pumping capacity
of the existing prllnping station btrt due to the increased friction. that t.folud
be created in this force main which wcnll,d ca'::;.se high pumping costs in trying
to push this higher flow thrcragh the majn~ ca'u.sed the Kansas State Board
of Health to recommend additional force main capacity by building a new
force main to carry this increased flowo Faced. vdth the additional costs
of a new' force ma:in} ca-JIsed consideratJon of selee ting a site to divide 'the
present system and pump 'the excess flc.'<Il's tl"..rough this new force main 0
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easure ...,ew-age.n.L~J..ows
Sewage flows were measlrred on Ash Street at a manhole located between
Second and Third Streets, and at a manhole located at North and Front Streetso
Flows were measured for a 24-hour period and measured during hot weather,
these flows represent domest.ic sewage flows., industrial waste flows and
air conditioning watero The area draining to the Ash Street sewer at the
point of measuring serves an est.imated populai~ion of 15,000 persons, the
industrial waste is estimated at 1,000~000 gallons per day, the ground water
infiltration is estimated at 500,000 gallons per day and the air conditioning
water a.t 2,500~000 gallons per day 0 The measured flow for the 24-.hour period
totaled 5,414,700 gallonso With a domestic sewage flow estimated
at 100 gallons per day per capita, the total sewage floW' estimated and the
measured flo'w checks very close 0
.
The industrial waste is based on the survey made in Salina at the time
the study was made on the sewage treatment plant, since no major changes
have been made in the industrial field in Salina since that time it appears
reasonable to assume the industrial flows have not changedo The estimated
air conditioning water will be discussed latero At the time the sewage nows
were measured light ral,n occurred but the amount ...ras not serious enough
to reflect on the flowso
The area draining to the sewer manhole at Second and Front streets
serves an estimated population of 3,000 persons} the industrial waste is
estimated at 200,000 gallons per day" the grol1nd'irater infiltration is
estimated at 100,000 gallons per day and the air conditioning water
at 300,000 gallons per dayo The measured flow for UTe 24-hmlr' period totaled
944,700 gallons, which checks the esti.mated flows.
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Domestic~~ew~e~loW's
.
In the 1948 report covering the sewage treatment plant for Salina,
sewage flows were meas\ITed" At that time the fIo'w of domestic sewage was
assumed as 100 gallons per capita per day" At that time this flow was based
on recommendations by Imhoff-Fair, Seeley, Clay Products Association, and
Davis, all authorities in the sanitary engineering field. To date this
information is unchanged and when used, the meas"QI'ed flows were V'ery close
to those assumed" Therefore, the domestic: sewage flow of 100 gallons
per day per capita will be used in this study"
Industrial 'Wastes
.
In 1948 an exteI1sive s-r;;rvey revealed the i.ndustrial waste flow to be
estimated at 1,000,000 gallons per day" Since that time industrial develop.~
ment contributing flows to the sanitary sewers has not increased. However,
with the increase in population the existing industries no doubt have
expanded operations and the present industrial flows have been assumed
at approximately 1,200,000 gallons per day"
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St.orm Sewers
Salin.a b.'lS a porticfl of its 58!"itary sewer system which is classified
as a combi'v.:.ed. systemo 'This type permits the flow of both sanitary sewage
and s tormwater nmoff 0 Most of the sys Lem 'lL."1der t.his classification is
located in the b:;;siness sectionc
The difficulties of coml::dned. SE!'W'ers are t(,i'0fcld9 first the excessi.'.re
flows from rainfall run)ff cannot be p'.1.i'npe1to the sewage treatment. plant
which requLres bypassing of the pumping s"~a tlon t.o tJJ€ river 0 Bypa.ssirlg
sewage flows to the Smoky Hill River creates poll'cttion in the river and
creates a health hazard9 "rh:1.ch the Kansas State Board of Health is vitally
interested in eliminating 0 Secondly, the debris washed from the streets
during rainfall contain la.rge quantities of grit which settles in the
.
digesters at. the sewage treatment plant) a.nd phlg the piping ,which prevents
the withdrawal of digested sludge to the sludge drying bedso
The only remedy to this condition is the separation of the storm and
sanitary sewer systemso The City should start planning this separation
as soon as possible 0 The planning ir: thia report ".rill be done on the basis
that storm runoff will be b~'fpassed '..ihen rainfall. OCC'JI"S 0
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A" ~ d".' .. U +
,H \.Jon ~lo9~ng ~
Salina is faced viith a very serio::ts problem in the Slunrner months caused
by the discharge of nonconserved air conditioning watero This is the water
t.hat passes thro'Clgh air conditioning equipment only once and then wasted
to the sanitary sewer system. Conserved air conditIoning water is that
water used in cocling to\tlers or evaporative condensers which provides means
of cooling recirculated water 0 A t~pic:a.l example will clarify the above
methods of cooling. The qrw.ntity of water that norrnally passes the condenser
amounts to approximately :2 ga.llons per minute per ton for the nonconserved
equipment as against. nearly 3 gallons per mJ...Ilute fer the conserved equipment 0
Where the conserved equipment is ~.:lsed:1 ho'wever.9 the water is re'L18ed~ with a
make-up of approximately 2 percent. of the 3 gallons per minutey cr about
.
0.06 gallon per minute per ton of capacity for the a.ir conditioning uniL
The above information is based on 1-later usage and ad 12ally with the conserved
equipment the discharge to the sanitary sewer system will not be as great
as the 0.06 gallon per minut.e per t:m because most of the loss is caused
by evaporationo Therefore~ this repcrt will only consider the nonconserved
water which is being dis,c;harged to the sanitary se'werso
In 1955, the City passed Ordinance Noo 6024 relating t.o the conservation
of water &.nd controlling the ~J,se of tf28 :rnmicipal Se\.[6r system; regulating
thense thereof' by air conditioning eq':lJ.pment.; prohibiting waste; requIring
a permit from the buIlding 1.ns1'';:'0 tor'
instan:Lng~ remodeling or adding
to any air cond::! tioning system C1:( specls'Led s:Lze l1singwater from the
murd:Jipal supply or emptyi.:ng inte lTl1.;.rJ.ic: IDals torn: or ~~anitary se'Ners and
providing f'..)r the re'foking thereof9 def
cerLa In, terms and providing
penalties for t.he. vlo1ati.on o.f its
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In the abmre ordinance provision :l.B made authorizing t,he governing body
the right to revoke the permi.ss:lve ',186 of 'wa.ter for air condl tioning systems
if at any tLm6.~ in the judgmerft of the governing body~ the same is necessary
to protect the public: health~ welfare or safetsf 0 Gro"l.:Jlds for revocation
of permissive use include the conditi.:m of capacity or near capacity sewer load.
Chec:kingthe permits issued by the building inspector for air condi-
tloning s;rstems of :3 t ons.~ or larger. it was fot'nd t.hat approx ima tely
1,400 tons are being used in Salina with no provision made to conserve watero
This does not include those units in use of less than :3 tons capacity.
Practically all permits were issued to units in business establishments.
To assume an additional 600 tons i.n residences and sma, lIeI' business places
having units less than 3 tons cap5.(dty' and discharglngto the sazlitary
sewer is conservativeo However~ thi.s would make a total of 2~000 tons
of air conditioning systems using norwonservedlflatero On hot. days the
discharge at the rate of :2 gallons per minute per ton would cause
4,000 gallons per mirf'lte to be disc:harged to the sanitary sewer system or
a t a rate of 5>> 760,~ 000 gallons per da;r" Based on a domestic sewage flo'w
of 100 gallons per day per capita this represents a population equ.ivalent
of 57 s600 persons 0 With the rapid movement tOIl,rard more air conditioning
systems this fIm.twill continue to increaS80 Salina is in no posi hon or
able to enlarge the sanitary sewer system to allow s'Ctch quantities of air
conditioning water to be discharged tc) the sev..rer sys t;emc
With the high flows from air conditioning systems during hot. SUIllmer days~
problems are e:ncuuntered at the sewage t,reatment plan.te If pumping facilities
are provided to pwnp all of the present air conditioning water to the s6'wage
treatment plant the flows 'would be so h:'Lgh that the i),r,I'Cs at the plant
'~muld be tmable to receive these maximum flOitfs and the t,'I'I)':lghs :in the units
~
\.Jould flood O"Llt, the tlffie fo:' the fT:;ws tbTC;:;:gh the unh,s wOlJ.ld be shortened
to the extent that adelrcmte treatment wO'illd not aCelIT'o The only remedy
\VOJ.ld be additional untb a t, the plat\L HOiNever, this is r..ot the solution
SJ.nce the ':mits ",ro"".ld only be r;eeded on hot days d'JrJ.ng the S'JJlliller months 0
The lmits at the tr'!J&t:r.!'3:n.t, plant IDU.et operate c:Jritin:::,olls1y" There are
certain bacterial growths crt_ the fLcter media tha.t nrJ:3t be developed
in order to provide proper ,:'p5'rar:icn cf ~,bE' fil'.:er 0 'Ib::.lB i.nte:cmittent hot
and c081 da.ys wOl:.1d rec;.'Dire int8rldUe_~J.t, ::Jperation of "tzle extra filters
which "r:Y.l,ld be of no vahl'3 in the treatmet.l.t since the -t~ Lme for bacteria
to dev'elop takes several weeks 0 AI;?) thEe1 c::;st, to constr~J.ct these additional
units to be l1.sed only on hot days 113 not, economical beC8,l,'::B8 tbese 'Lini ts would
be idle most of the yearo
This problem is not applicable tD Salina alone, other cities are faced
.
or hav'e faced t,his problem and apparent1;y Lhe onl;y sa tisf'actory solution
they have fOlh"1.d is to discontin1Je the disc:harge of nonconserved air
condi.tioning\4ater to the sanitary se~le~~ systemc ThIs solution is nOL;
without hope, as aiT cond i tioni.ng manufacturers LUW realize the ser iO:lsneS8
that nonconserved 1.J'a ter is ca:J.sing 0 I'bey are rapidly developing new units
:,C con::::erve"rater and have on the l1JBr'Ke' T,:)ltJ, eq<J.ipmetltthat can tie installed
\-l.i.t:b. t'he ~px."eaent ~cr.:~Lt,,3 tc} c ():~t:5er've ~i{~t;~t> ~- {'
It Is, " "t<herefore.., rec sDlm;2:nded
-t- ....',.~"
\""->.";_0
:..t.e (;i
cif Sf~ li..na, tlC>t p,~lan Ct. se'w6r
~;ys-tem capacit,yto care. f.;)l.' rJ.:;:nC')L<krU?oJ. 81T :))rJditioning watery but to pIan
a .progrffiTI) to e:nc';::>ul'~ag,s ,9..S I'
c~:';: ~\;~,C."" i\.!.:tl.:.l-:3 ~...~'lC~ iri::3ta.l1at i.or~ ere e(rJ~L.prne:G.'t
"by .!'l:::er s of aI.i;; e,,")nd.i
n;t, ~. -(,~:'
:,~>seL\'e t}j,e '"Ja.'tor r:;Olfl beLng d_i.,~:ck\a:-C'g8d
t.othe ue\<rer S~lS tem and 9.1'0
v,{:?,,_ 6r ..~ ().
to be
installed with all f'~t:n'E; au cond::c":
;::;'1'2 t(~JIlE~ .)
..
A~,z<JII:aL:::: BVpae5
~<1'~""~~'''''"''''''''''''~~~''''u:t;~~
It is q'IJ~ite evident tha.t the Ui
cannot provide adequate capacity
in t.he saui tary sewer' ,J<ysterr I:md at the sewage treatment plant t.o continue
the excessive fl:.n,ls d' <3.11' condU.ionlngwater and rainfall ru.'1off v It is
also evident t.hat the program of ellmLna Lion of berth flows cannot be
ace omplished in the short time bf ,ween no'w and the c ample tion oi' C onatruction
of the proposed pumping statich and fD;(~e mainc Theref't;reJ it will be
necessary to provide an at:tomatic bypass tc car'e for these excessive flo1ti'S 0
This bypass mast be co:nsidered as a tempo:r'ary' nattJre and the City sho'l;,ld
begin now to plan a program to reduce these exceaslve flows v ~'he automatic
bypass can be constr',lded i:n a ne'iiJ manhole on Ash Streetv It, "rill provide
for flows to the ne'w p'wnping 5 tatlc'D andwhE!n p01<i'er outages or excessive
flows occur automatioall:YDypa.ss l.nt:, the exIstin.g Ash Sf,reet S61.rer to be
.
carried all to t.he bypass manhu12 r.c,;! loc;;8:ed on Eash Ash Strge't.;iJ'heu:Cl
bypassing tcthe Smok:y RiJl River-is dcne n:);N 0
When provisions have lIee.n made tc red::iceCne above excessive flows and
a new and higher S8'..fe:r on AS!1 Stree tIs c.unsLruc: ted to serv-e adj aining
propert:l as prevlcrJsl;y dIs,,::ussed then t::;E' 3";+/;mat.ic bypass will discharge
into the Smoky HiLL lUver at the\t.TE'8t bank where the criginal sewer r)'.l~fal..l
discharged bef:)re the Ash S'treet ex tensi ~.i.o 0 80\,f8Ver, t.he a'iltoma tic bypass
will only be used r.1'..L,:,ing power outage 0
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RecommendatiollS
It is recoIJ1..mended r,hEit r:ne proposed sf:;'wage pumping station be designed
on the fol1o~Ning bagL:,
a domesti;e> se'.rage popalation of' 20~OOO persons
at 100 gaJ.],;:.\Ils per f~a
per da~r wc..:JJ..d be a daily flow of 2~ aDO , 000
gallons!>
'2
8.D indt:st:rial senNage fIe.:,,;' of' 1)500.000 gallons per da.YJ and
(3) gr ound 'Hater
c,f
;000 gaJ..:J./,n':~ ]JEJI' day~ and
air
conditioning water at 20 pErcent of pre3~n es:,:tmated 1'1(/\.1 of ;2 :,800,00C
galL:ms per day..! C'::' 500,000 gall::)r,::, per cJ.~rJo ThJ.s:.A)'ill previde a da.ily fl01{
of 4:/700,,000 gallons per day~ or appr;)lc.:mately 3:,300 ga.llons per mlm.lteo
The pea.k fl:J\"i will be abc';:lt twi.C:8 trJe averrige flews therefore tfJI'ee
2 y200 gallons per minute S6t-f8.ge pmr;.pe lA)'ill provide a "variable capacity
as well as peak capacityu
To provide a velocity of ::.: feeL per sec)nd ,,1'1 t:n bAl;:; pumps operating
and prevent deposition of solids in the S€wsge force main, it is recornmended
too t the fOY'8e main be c:onstrJ.cted ;)f :3Cl-inch cast iron pipe 0 This size
force main \.rill also provide a variaticn in frict,lon loss head within a
reasonable range of sewage FJmpS 0 To c:Jlsider the ''.l3e of 24-inch cast iron
pipe would. increase tbis
" .1.....'.
\rar 1a L lOt"
ix: fr ...cLion LOSS head approximCl tely
.2.50 ,per't~en.t ,'$ IN"b.:i.ch. vr,;'~',';,ld 1:':6 111.c)re t"':}8-~) r..,,~~'''~,,'''jJJB 1 SErt'ti'2,tg8 ~p'.Jlnp;s are des.lgrled"
fI_hE::. :maJ) at Lt.e en,def t"L~i(; ~"6 r','>T E' r '''.'-:~ L:r.-".t~~; :prelim.i'nary loc~a ti.on. c<~ t}1.8
proposed sewage p-xmpingsta t,i
a:nd -:." '-.~ r
DEiHl & S r'8c:!HIlended. The 6sb.mate
of cost for the Ash Street
s La :L':J1'~ .~ID,d. ,":>Y<58 tIlain i,8 als~~';, 'i.!lcl";Jded
at; tbe E:,f},d
" +~
"_'.L
this secti,on oftris ~~rIG':;~~
i'!;'2ir?
';3: E.:; t 1IDB,'te
is based un.
daJ~ pr'iees f\JJ," c<:.n~~+-~~.'fl,'.~tlur~ _'1
Cu'~
::: Ti
't. -:-:
~"'., 1
at:'c-3,\ any Grlanges
lIt e.cun,om.ic C' OX-tell. r,j'.cftt8 t}'.':e;! -i~.j"t:" > L(1
." ~-}'r ":,.e: '>.'.~
8tS ~'ill reflect
on tILl.S est.lIna.t.t.:;'j i': .1.8 r~,,~~:. pC'S.::::,LC
}.'}:t e c: :. f:~ b,1 i.,y (:
t:n.a.,'L rria~{ oeC'';lr
in t<he .f":Lt.ure" trleT"(~L-o:;:-o~) q C:I.i;~;
.~)i~1 En;:~.':, l.d 'rt,-:..', be
1.;00 long or
con.str-'t~;_C' tioti.. C \)3 SS 1118:)7 (;X.C.GS:U. ';.ne s;, t'::::b_-~"t:~, 0
.....
Ash Stree L P',!lrt!:.)itlg StJ"rlr,;C and For~;G Main
~.............~..~_.L_'~.""'."-""'-"',....~_"-=>U..,,,-__-,~_.-...o;.,"~~'.."'''''''''',.'=J.,,:..._,.,.....-.:~"""
~. Engineers Prelimicary Estimate of COS~-
Item
N'oo
De
10 Tren.~h & Ba.~?~. ~.1~~ O~- 6~ a.sep
.20 Tren.ch.& Backfill} 6~ - 8i deE:'"
30 Trench & Backfill) Bt-lSt deep
4. Trench & Backfill, loc-12u deep
5. Trench & Backfill, l:?c ~Uu doep
6, Trench & Backfi1l~ 141-16c deEo'p
70 Cast Iron Force Main, 30,-,lnch
8. Automatic Bypass Manhole
90 Se'wage Pumping Station
Contingencies
Total C:Jnstr'i.Ktlon Cost
UE.1t
.9:?,;;"':E'.t.:L~l Uo,it
Price
152 L H' $ 10 00 $
c,.l. ()
L\OOO 1;. 0 1'- n L25
" o s tyJ 1 of',, 10 ",'5
.t,,, 1\,.,;
.4" 'j I) 0 LoF 20 50
1,300 r ...., J 50
.,L.; (l 11 ('J .
150 I }, 0 t) CJO
J.J () 0
l3 ,lOOO ["F. 19"OO
1 Eac:h Lump Sum
-L
1 EacLl Lunp S1Jm
legal, Engineer tng J Rlgr:(,of.v,f&j
ana Mlscellaneo'.1.8 GosL~
TC'AI;
P F u
I~ I 'T
\) ,:) T
.L_G
Extension
150 () 00
5,000,,00
4,~ 3'75" 00
12,250000
4~550000
750000
234,000000
2~500000
70~OOOo()O
~16~425vOO
$.'''1';,-, 1000 00
.. ....J,../U, \ <.1
~)5 2DQOq~~90
$ JB5 '& con ,) DO
,.~,;~~~>.1
~-=>.=.;O".."......~,,,,,,,==,"':-"":'-"=-.-
.
~2~'::~:'(j~~~r;!;J:'~'~~~_J~~~...1~~~~Je ~2~ S8'~er,
Fl;:,;.)'s E'€8'3';',yed. f1.l
Stn:; et~ rind [, _.l.ey I:)e L\,,'een See ;.'nd and Third
St.reet.s " Se'ltl6T is 2,1.,- . LC.:l
Time
11300 aomo
12 g 00 noon
bOO pomo
2~00 poIno
3g00 peille
4;00 pc.me
5bOO p.mo
6boO peIno
?~OO pomo
8~00 poillo
9~00 poIno
10;00 paIno
11:JOOPoillo
12 midnight
1~ 00 aoruo
2~00 a.re.o
3g00 a o ilL
4?-00 800m.
5g00 aorTio
hOOO a.IDo
'7:: 00 a om.
g;OO a.m.
9~OO aeITio
10gOO a"lTJo
11g00 a.Tile
...
DepL:l
Inche2
.,
~:~1,~~1/;2:
,d
;; 5-1 /;;-
, ~ -J
,-i.4
23--1/2
21.-1/2
23
2,3
21
:23
,,,,..,
-'-(
18
18..1/2
16
l!~
l/~
14
'"I!
-'-4
19
;;:,l
~-~:.
;::,;;',
Flo:.../
c.fs
9.9
:?- 0 6
'i' t,
,.!.....L 0 \..'
12,,()
1106
90)
1"'> ,",
...L",,:(,-
1102
:1 06
1102
603
'7el
"705
5 e6
~ 04
404
5.6
4 ~/~
,) ::)
i:-c 0 '"
t-t' 0;'4
"-1 <> ~
L7J oj
iD""
10u~,
'";:' A L
F'l YN'
.2~
4
... 3';<)
..".'...,.....
:) ,~<~ ,~-, I,)
5
5 ~. 2;: C)
..~ C)
5,040
5,.
4~3;;:'O
5,04.0
2,835
3?195
3375
2,520
1,980
19980
'"j c:. ''')(,\
t::: 1..J~,""1
1 Ij.80
..Lj30C
1 c,},Q f~
, '. ,'~'U
o
o /
'3 .~) t-: r"
L
F L 0 \~
egg .shaped br.:,::~k S6WE'1r"
.L -;<
Average
1" l'.:rw
4;385
4- 7;',70
5 \tjl()
it ,835
:. /745
5,0':"0
4,680
4,680
3..940
3 ,~ 015
39285
;::1950
2)':250
1.980
2,250
2,250
1,640
IJ64J
B(/'.:'T~::
'T'"
,1.me
Hino
6,::,
60
60
60
60
6,',)
60
60
60
60
60
60
60
60
60
60
60
60
60
6:J
6f)
Total Flow
Gallons
Remarks
;:6.3 .100
286}200
318,600
318~600
290 ~l'JO
284j700
302,L,00
280J800
;;'80.800
2.36 ,~400
180,900
197.jlOO
177$000
135,000
118,800 Rain started sIrir.iko
135 JOOO Hard rain 8rKis 0
135,000
98j400
98,400 Sprinkling"
166.,2JO
~)36 :,400 Rain s tarred v
295;800 Raining,
3(3)600
2l5,4'JO
'-"-"'""""'-'.....,"'....,----..=.o.;~""'.-~t<..)=.J
5 All.., 7;JO Gallons
~."""""-=--'.'''','',=;N.'''_~_~,
-'~',",,,,__'.jo_.l"":.: ).~............-.-,...~..........."",
.
Se'wa~Ea!:~l"S_ a t ~E~tll_ a?d Fr ?!l~ ~~ts
,,lane 19560
Seyer is 24-inch vitrified clay pipeo Flows measured 21 and 22
Time
3~00 poIDo
4~00 peIDo
5~OO pollio
6~00 pon1o
?~OO poIDo
8~00 porn.
9g00 porn.
10600 porn.
11g00 porno
12 midnight
1900 aoN.
2g00 aomo
3~00 aom.
4g00 aomo
5g00 aomo
6g00 aomo
7g00 aomo
8~00 aoIDo
9:00 aoIDo
10g00 aomo
1l~00 aoffio
12~00 noon
h 00 polllo
2;00 pomo
3g00 poTOo
Depth
}"Eet'
0057
0053
0049
005'1
0,,60
0075
0063
0050
0055
0060
0053
0045
0045
0043
0044
On 50
0.60
0056
0058
0053
0050
0049
00
Oe54-
Oo5L
Percent.:,
D }'
-~
0029
Or,,"
o.t:, ::'
0025
0029
0030
00J8
0032
0025
002.8
0030
0027
0023
0023
0022
0022
0,25
0030
0.28
0029
0027
00
Oo?5
002,4
0027
00;::/
Flow
~3~
64:J
550
165
81 ('
~U
L:!."!5
:395
550
680
810
640
470
~~.70
4,~:5
4~25
550
810
680
765
640
550
5:;'0
510
64iJ
640
'TOTAL FLeW
w
Average
Flow,gpID;
700
655
1,040
1,085
no
615
'/45
725
555
1+-70
1;50
425
440
680
74-5
720
700
595
550
<:4- beLlY S
Time
Mino
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
/' '"'
ou
60
60
Total Flow
Gallons
42. ,000
359700
39,]00
"-7,400
62,400
65JIOO
43,200
36 'j 900
44'9700
43 :i 500
339300
28,200
;n j 000
25 ,~500
269400
f~O cl800
4,4,700
43,200
42.000
359700
33}OOO
31,800
J4}500
~,~38 J40Q
94/.,., 700 Gallon~,
=~=~,=-'
""-'=-C~"",",-",,,,_._',.....,.--=-'._~
C01mtry ~-1.1eigEit;s Sewer~
"VJhen the COlnltry Club Heights ;:;Iibdlvision WdS started in 1925,
the sanitary se,Ner syst.em discha.rged into a septic tank and then into the
Smoky Hill River 0 Since that; time additional construction in the area
adjacent has overloaded the septie tank and increased the pollution load
into the Smoky Hill Rivero Additional residence construction in the area
is being plannedo It is necessary that the pr'esent poll'ution as well as
future pollution in the Smoky Hill River be discontinued from this areao
The low point of collection af the sanItary sewers in the Ccnmtry C1l1b
Heights is in the low area on Cc'untry Club RCjad a.pproximatelj 600 feet east
of MarymO"Ullt College 0 To connect thh; p,yin!:; to tb6
se"rers on Iron
Avenue west of Harymo':Jnt College l.gYlld require very deep trenching if the
connection was made by gravity' flow' 0 Tberefarej it. w(1:l~d be more pract.ical
to construct a sewage lYiunping st.ation orl. C()~_mtl-Y Club Road and p'ump the
sewage to the top of the hill at the eiist end of Iro:n Aven'J.e and then
by gravity flow carry the flow ..rest on Iron Avenue t,o connect to t.he present
City sewer systemQ
Sewage flows were t.aken of th:'i.s systerCl tc: determine the capacity
necessary in the design of the ,sewage Iy;mping stationo Due to an existing
sewage p1:lmping :3 ta:.:.iDn sm'ving tin ares ''::10,;: t and adjacent to t.he Country f...;lub
Heights area, flm,r measurements\,,{ere ti'3;U~r.! at 15-.rrL~nute int.erva.1s for a.
24-ho:..;r per iod 0 This iz:1GI'1118. tJ-:n .is 11:(' J.xled at tbe end of t,he reporto
The FJmping capac ity of the ex
Ei t.9. -;:';.t o:r\i. .;)
Dt:;r Ttfi..Cl'ute
cons:istJng oft\,lJO .lOO-gprn P".DIC,:-:: c 'Ii:i.':-"
.f'.L-~;'\,,)' .:('
t,,~--;O f1o"liI (~hec:.k '\N'H.2;
340 gpm and only occ'u.nect :nce o.e! ~I.g
;::: t~)_t..,_,~ c-E.;':;_~.:r" DI::::'r .=..c~_" The '::l:ve:ro.ge f'l,j\,.j'
4
d tirIng thi,~ 2i...-hcur pe.r lod IN"I;.,S apprcximately 50 gpmo 1 n order to provide
for reasonable fut.ure expans.ion~ t"t .is recommended that t,he prop,)sed sewagE
pumping stat:lOn have tv:;, SE'\ilage P',jmf's v:ith a capaoity of 200 gpm eacDo
The map at the end of this repert shows Lhe preliminary loca+,ion
of the proposed S8\4age pmnp'ing st.at:_')rl and 8~ineh force main and 8-i.nch
gravity sewer as recommendedo The estimate of east for the Country Club
Heights pu,'1lping station~ fCl'c8 main and gral/t
,SErwer is a.lso included
at the end of this report. The estimate is based on present-day prices
for construction of this nat:.:tre in this ar'ea, any changes in economic
conditions that wt)ald ohange ocnstruct:'i.u{, costs 1-I'il1 reflec t on tb.is
estimate. in the same manner as 2eL c',:tt fer the Ash SrJreet pumping station
and force main.
..
~ew~ge, Flow~_Q2~~~.ry_ C12.1~ Heights
Flows me8,s"Jred ::;_n man::--.c1e at septic tank u Sewer is 8-inct: \'1 trified
clay pipe at 208'1 percent graden Fl\yw's measured 5 and 6 J'llly 19560
Depth F 1014
Time lnCrl'22 ~~
_____J -'=.'.."-=>'>'''''''=.--''''
1~15 porno 2,50 100
1;30 20;:5
1~45 ~~, 0 CJ6 7J
20 00 ? o4i+ ."
",r 'J)
2:~ 15 2000 ,.- ,-
0)
2~30 1.9/"
2~45 2056 105
3g00 ...., ,)t:. 75
'::',0_)
3;15 1075 50
3:30 1063 40
3~45 2u25 75
4;00 2006 70
4g 15 2000 65
4g30 1,63 40
4g45 2050 100
5~00 1,63 40
5g 15 2000 / t;
0,)
5g30 1081 c;c:;
- -'
5 g45 2069 120
6g 00 2069 12(;
6d5 2.63 115
6: 30 2050 lOO
6~45 2050 "j rlr,
.J....ul,j
00 2.25 ...,c..
,,)
7;15 20 105
7::30 2063 115
'1:45 2.06 70
8g 00 2.00 f- c)
~.J _""
8g15 ~-,()
8;30 .L. 50
8?-4,5 L88 '"
j
9 00 1 ,',r j(~
o ./ ')
9;15 1041+
9~30 10.38
9:45 L
Average
J3.:1~~i.JH!~
Time
Mino
Total Flow
Gallons
Remarks
88
N--.
1':)
83
80
33
90
6.3
I t:.
....~' ./
58
'l.3
68
53
70
:..,r\
iU
53
60
88
1.2Cl
118
108
loe
88
110
93
68
)L.
21
Time
.
10600 porno
10gI5
10:;30
lO~45
11600
11g15
11gJO
11:;45
12 midnight
12 15 aomo
12:;JO
12645
1:;00
1; 15
16JO
Ig45
2g 00
2g 15
2g30
2645
J;OO
3g 15
J:JO
Jg45
4g00
4d5
4;JO
4645
5g00
5~ 15
5:JO
5:45
6:;00
6d5
6:30
6:45
7;00
7d5
7g30
7:;45
8;;00
8:;15
8gJO
86l.5
9:00
Deptrl
Inches
L56
1013
L56
L25
~I ')1::,
..... 0 ~~.~,1
1075
'1 r' ,-
~_o,()
1000
0088
101.3
Oo9i~
1000
LOO
LOO
LOO
LOO
L06
L13
LOO
0094
LOO
LOa
0088
LOa
LOa
LOO
L25
LOa
LOO
LOO
0,813
10DO
L13
LOO
1006
..
J..c;,
1.
L13
l038
-, ,-' ,",
.1.<) )'.J
1013
1, <}
1,06
L50
1"CU
F'101-')'
, gpm
39
20
3g
Average
FloW' gpm
ie,
1+,
30
30
:2,5
25
J~?,
~'5
50
25
15
10
20
38
~~
15
1
..L~
16
'''t h.
..L./
~ ;I
";"4.
15
15
15
15
15
15
'1 t:.
.J..)
17
2.0
15
12
15
.'J I'
.LO
18
18
14
15
15
10
15
15
14
15
23
23
15
15
25
15
15
15
15
20
20
15
1')
1 r-,
~u
15
"n
.<.'~
15
18
18
16
25
36
21
.:2U
j5
28
~~'~7
?O
,:::0
>,,")
;::-?
., t:
L,..,-'
;"
~.,.....
~,.~-
Time
Min.
15
15
15
15
15
15
15
15
15
15
15
-: c;
..L..1
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
1:)
15
15
15
, c
1..)
15
'i c:;
..J../
Ie
~-)
Total Flow
Gallons
675
450
450
480
375
570
570
300
270
225
240
210
225
225
225
225
240
270
270
210
2.10
225
345
345
225
225
300
300
225
225
195
195
270
270
2,,+0
315
4,80
L1.20
L65
4.35
}OO
285
405
Remarks
Time
~
9g 15 aoIDo
9;30
9;45
10;00
IOd5
10dO
10;45
11;00
11g15
Ilg 30
11~45
12g00 noon
12215 poIDo
12230
]2245
1900
1915
Depth
Inches
1044-
1025
L50
L19
2000
lo13
1038
1025
1025
2.00
3038
3.38
4075
2.13
2.50
2.25
2013
Flow
__~pID
36
25
',:\'7
~.
;::..!.,
65
20
35
25
25
65
180
180
340
70
100
75
70
Average
KIa.:: g~
26
32
.31
.30
; ;'
'+'t'
~J
28
)0
25
45
123
180
260
205
85
88
78
Tinl6
Mino
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
TOT A L F L 0 lIT ". 2~\ H mil S
,
f-,'._'
Total Flow
Gallons
Remarks
390
480
465
450
660
645
420
450
375
675
1,845
2,700
.3,900
3~075
1,2'75
1~320
~~170 ,
72,690 Gallons
C o'Wltry _Q~ He ight~ P1JIDping Sta ti~,
"
Foroe }'J8.i~~i ta:!:l, SeW8!,
_ ErJ.gineersf Preliminary Estimate of Cost -
Item
Noo
Unit
~titl Unit Price
-
2,CDO LoF" $ LOa
800 LoFo L50
1 ~200 LJ~'o 5000
1 Each Lump Sum
~iptio~
10 Trench & BackfillJ Of ,~6f~ deep
20 Vo Co Pipeline, 8-inch
30 Co 10 Force Main, 8~indl
40 Sewage Pumping Station
Contingencies
Total Constr'l,1ction Cost
Legal ~ Engineering and I-tiscel1aneo'Lls
T () TAL
PRO EeT
c: 0 S T
Extension
$ 2..000000
1.200000
6,000000
12,000000
1.L8Q20 O~
$ 23,000000
-2,ooo"oq
$ 26,000000
.~Appro~imate area that exist
~V ing Ash street Pumpinl
station would continu
to serve. l
'iI.
" i:
\ _, Ar"r,;'CJiffir " I,
l~~ . <.~1 R't14ill1 [] [ M I \ ~ lLi'~- ,
.! r.~~m LI [ J l ) IJ 1111 [ : : I ~~ t~-;'f1
\ ~ onTI IJLJrI [] IIII ~-A11 ~ I' /~~-~~--:;..--- ~
~ mi 0 [J 0 [] [1 [ 1111- , _ __ __ - - - -- ,,,, <--= - , I -----=::::
" 'i.ill~IWllUllllir 1-' 4~:'1 : ,::::1
[- -~--=---/)-'-~-( ~~-~glDJ[~D~~~~ ~~~Ii~~j_~j-~,-----~-~ -~, -,"-'
~ L .w. LI I'lDp ~ D --- )..".,,11'L~!1 - ~B-: J-I
__ _ ____- _ '-[.I} 1 1)~~~<1(Jg]ID}-~fi1i1[~; I u ?-~l II
.',;; ,A~ I ~j~~]1 ~~tllJ-t1-n4 ]~=-...._", r-- ~- -~ <'"""ij
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