HomeMy WebLinkAboutPermit Building 1981-04-07rf
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INSPECTION IINE
12b3769
CITY OF SPRINGTIEIO
COMEINAITON APPTICATION / PERMII 726.3753
ENERGY SOURCES:
ir"ot Elect-wall units-
\Voter Heote. --
R
Sq. Ftg. ,noin
5q. trg. Other
---New -Add-Alter-ReP.Fence
-Demo-Chonge/
Use
180- -Other
Sq. Ftg. A<cet3.
Yolue of Work:
7915. 38
- 701- South 2StLStreeL ---
resol Dercriptio' 18 02 06 00 TL 1003
di
Phone
Job
Addre:r
Ow Buiiding Permit lnfo:
Fomily ResiCencg !i1!
O"t.i',b" Work (i'e', Build Single
Attqched Goroge)
Office & Drivers Roo@
@
IJo
@f\)
Springfiel d, Oregon 97 477
Address Phone
(lics. no.)
DESIGN TEAM
(phone(odd ress)nome)
lics. no.)
r Owner
Etedricor Brri I ders El ectri c 293_l4g+roe Stree+-+{gene
Plum bi ng
Mechonicol OWngf
MECHANICAL
NO.
ETECTRICAT
CHARGENO.
PLUMBING
FEE CHARGE
furnoce/burner lo
-.-_-'-BTU'S
Residence of
= --'--sq. ft.Eoch single fixture
Applionce vent
seporo lexNew circuits, olterolions
or extensions
Relocoled building
(nerv fix. qdditionol)
Stolionory evop.
coolerSERVICES
S.F. Reridence
(l both)Vent fqn with
single ductTemporory ConslruclionDuplex (t both) eoch
Vent syslem oport from
heoting or A.C.Amps.Additionol borh
Mechonicol exhousl
hood ond ductWoler 3erYice
Wood stove/heoterSewer
Heot PumpFE EDERSStorm Sewer Air hondler to
r0,000 cFMAmpr.
Air hondler over
r0,000 cFM
i-001l' llni t1
rssuANcE or PERMTT 10.00
TOTAT CHARGES 16.0015.00TOTAT CHARGESTOTAL CHARGES
I HAVE CAREFULLy EXAMINED the completed opplicotion for permit, ond do hereby certify thot. oll_ infomotion hereon is lrue ond correcl' ond I further
cerrify rhot ony ond olt *lrt f.rormi ,holl be done in oc.rdonce with the ordinonces of rhe city of springfield ond the Lows of the stote of oregon
perroining ro tie work described herin, ond thol No occupANcy will be mode of ony structure wiihout the permission of the Building Division- I further
c€rtlfy thot my regislrotion with the Builder,s Boord is in full force ond effect os required by oRS 7ol'055, thot if exempt the bosis for exemplion is noted
heron, ord fltt o-nty subcontrqctors ond employees who ore in complionce with ORS 701'055 will be used on this proiect'
DATESIGNA
thisof rholl brnot unlilvolid oelectr i co Ithe permitConlraclotportiondoneEleclricothelheworkElectricalbeIESTAREOULAWthalIRESbyWHERE
electricoottgchedondrhe ponel.toContraElecricglctorhoslobelbcenonsigncdby
Bosis for Euilder's
NAME (pleo:e print)
FOR OFTICE U5E
Er./aonr. rv Unirs-sq. Ftg. Moin
Fire Zone
-Bedrooms
------------Occy
Flood Ploin
-stories-OccY
x Volue
x
-Yolue
TOTAT VALUATION
78U
7915. 38
w
x
Access
Olher
13. J6
Lood -.._---Sq. Ftg.
o,orp H-4&B-25q. P1t.
NA(r.5%)
DevelopmentI
28.60 PD 3-16-8i4H:;'Plqn Ck. Comm/lnd
6591/Blds Per Fee
REC 560521.76
44.00
Plon Ck. Res
3O%/Blds Per Fee
BUII.OING PERMIT
Chorges ond
Surcho rges
Fence
78. 00fotol Comb. PermitDemo
PTUMBING PERMIT
Chorges ond
Surchorges
Sidewolk
A/C Povino
ELECTR!CAL PERMIT
Chorger ond
Surchorger
15. 00
.60
Curb Cut
}T t;
MECHANICAT PERMIT
Chorges ond
S urcho rges
16.00
64
TOTAT
.5. 00
: .__..,::a- .
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coMBTNATTON ApPLTCATION/PERMlr (CAP)
l. Applicont to furnish
A. Job Address
B. legol Description
I. exomple-tox lot 100, Lone County Mop Reference
2. exomple-Lot I. Block 3,2nd Addition ro Springfielc
C. Nome, etc. of owner ond construction lender
D. Energy Sources
Clty Holl
Sprlngfleld, OrcAon
Dcportmcnt of Public Works
OFFICIAI. RECEIPT
(.
3
-T-
CITY OF
Address
Received For
SPRINGFIELD 1
(l
No. B 56231 ,
r forced oir gos
or solor
E. Squore footoge or voluotion, elc.I. exomple-1250 sq. foot house,500 sq. foot goroge
2. exomEiE-iFiEw proiecr, check new-ii oddirion, cie;el; etc.
F. Building permit informotion:I. exomple-construct single fomily house with on ofic
goroge
2. exomple-remodel existing goroge into fomily roon3. @-.onvert single fomily residence inro
iEliEiE'nt (chonge of. use)
G. Volue of work os defined in Section 303 (o) of the
Structurol Speciolry Code
H. DESIGN TEAM AND CONTRACTORS
To ovoid design or construction deloys, Building Divisi
Stoff must be oble lo contoct oppropriole persons reg(
design informotion or iob site correclions, elc.
ll. Abbrevioted Plumbing, Mechonicol & Electricol Schedules
A. Except where blonk spoces occur in the description po
of the Mechonicol ond Electricol Schedules, rhe oppiicr
need fill-in only the No. Boxes odiocent to rhe opprop:
item(s) to be insrolled
B. Full Plumbing, Mechonicol, ond Electricol Schedules
ore ovoiloble ot the Building Divisionl. To conserve spoce on the permit form the schedule:
hove been obbrevioted
2. lf the item(s) to be instolled ore not covered on the
oled schedules you should consult rhe full scheduler
C. BUILDING DIVISION STAFF WILL FILL OUT ATL FEES AN
CH.ARGES ON THE SCHEDUTES
lll. Applicont to sign ond dote
Whenever possible, the initiol opplicotion will be used os ,worksheet only. Where possible, Building Division Stoff wh
prepore o typewritten copy ond relurn it lo the opplicont ol
the time the octuol permit is issued for his signotuie.
I. exomple-heot/electricol ceiling/or
2. eiq mFle-wote rTEJiilElEcrriEo I z'
l9
Rec'
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(l
0
(
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Amount Received -lfl,Co ? Y
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ZED SIGNATURE
lV. Fees ond Chorges
Plon check fees ore due ond poyoble ot the time of the opplicotion,
ond no plons will be processed until these fees ore poid. All
. other fees ond chorges.ore due ond poyoble when the permit
is issued.
V. FOR OFFICE USE ONLY Permit Clerk
PROJECT CONDTTIONS IO BE SATISFIED BEFORE OCCUPANCY:
PIANS REVIEWED BY:
3-31-81signoture'dote
LnomeLORNE PLEGER
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Additional Proiect lnformotion:
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DEPARTMENT OF
ENVIRONMENTAL QUATITY
1234 S.W. MORRISON STREET o PORTLAND, ORE. q72O5' Telephono (503) 229-bh{}6
September 26p 1973
ll
TOM McCAt!
oovtRt{on
orARi uro r, o'3cANN[AtN
Dlraelqr
Wldl-ng Termlnal, Lnc.
10L45 Portland Road
Portland, Oregon 97203
-70 t s.
Attentlonr Mr. Glenn widlng, Frealdent
Gentlemen:
Rar llaete llater Control Facllttias at tho Sprtngllold formlnal
Thta wllt refer to the plana submlttod to thLa Dcpartmcnt
concerning th€ waste wat,et control facll"itloa for thc SPllngftuld
Termlnal truck wash and to a telephonc convorgationr EePtexnbcr r0'
L973, with Mr. Paul F. Ehlnger, Jr., consultlng englncar wlth
UMA Nofteo, Inc. The p).arre, as submitted, concist of tho followlng
maJor components:
1. A 100 ft. x 20 ft,. concrete truck waahlng pad llognd
to a central draln.
2 A 500 gallon collectlon sump wlth s 2O qpm punp
controlled hy a float swltch.
3. A pH adjustment facillty which wlLl. autouratlcall.y
adjust the pH to a range of 6.5 to 8.0.
4 A series of 3 Lagoons wlth a total capaclty of
about 1.4 mitLion gallons. Lagoon #1 w1Ll be
aerated to provlde mlxing and Lagoon #2 wlll act
aE a settling pond. Lagoon #3 wt 11 act as a hold-
lng pond to contaj.n the yrast.e wator at t,lmes when
soil or cllmatic conditj.ons do not allow spray
irrigation.
5. A purnp and related plplng wtrlch wlLl allorr wasta
water ln Lagoon #3 to be used in prellmlnary lruckwashing operations.
I
PEQ.,
\-/\!// '\-7
wtd{ng Ternlnal, Ino.
September 26, L973
Pago 2
0, A tprAy lrrlgatlon lyrt,cm oonolstlng of tho lollowlngr
A. A 3 aorq lrrlgatlon alte.
b. Forty spr!.nk1ers placed on four separata branches
whl.ch wl"ll aLlow lrrigatlon of an lndlvidual quarter
of tho area every 4 days.
The present iraste water lagoon wlll be retalned for uac as a
holdLng pond for materlals, such as iax and caustlc, rhlch arc
unsultabLo for irrlgatlon or reuse.
lhough lt ls planned to lrrigate most of tho stored traltr
rrater durlng the gunmer months whon qlimatic and eoil condltlons
are optLmut and dosplte pLans to reusa some of, the ragta waah
water, It ls likely that sorno Bpray lrrlgatlon will bo requlred
durlng late wlnter and spring. Consequently, conaelentloua
operatlon will be required to avol.d lrrlgation of saturated or
frozen soll and to maLntain a nondl-schargo syatem. Tlrareforc,
thla Department requests the folloulngr
A manual of operatlon shall be prepared by tho dealgr
englneer and submlLted to thla Departnent for approval
prior to atart-up of the operation. ThLs manual shall
indicate how the facilitles wLll be operated such that
pondlng and odorous condlttons on the lrrlgation sltc
do not occur and such t,hat, dlschargc to pubIlc lrator!
does not occu! rrnder all practlcal conditlons.
2. Tho company wlll. contlnue in thelr attempts to purchaoe
the addLtionaL 12 acres adJacent to the plant sltc, ro
that addltlonal lrrigat.Lon facillties or additional
holding laEoons may be const.ructed if requlred to neot
the condltions and lLmitatlons of the Waste Dlscharga
Permit presently being drafted by thls Department.
3 IrrLgation should not exceed 4 to 5 hours each day eo
that the permea.biLity of the solL La preserved. Each
indlvLdua). irrigation plot should be allowed to rest
for 3 days following lrrigatlon.
A. Prlor to JuLy L, L974, a report 6hall be submltted to
the Eugene Distrlct office of this Department whlch
wLll contain a contlngency plan for removing and
disposing of the soLlds deposited in the settllng pond.
I
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,,
tlldlng TqrnrLnel, Ine.
September 26, L973
Page 3
Thr planl ara hereby approved srrbJect to contlrmatLon try
the Envlronrrcntal Quality ConnrLcslon and contingont upon tlro
above recorrnendatLonE. Thlo Department le preperlng a Factc
Dlschargc Permlt whlch wlLl requLro the waste wattr taotlitlca
to operate wlth no dlrect dlcohargc to publlo raters at anytlme. In add{tlon, tho crcati-on o! nuleanoo condltlons frdq
the wasto Hauer control faclLltlee which will reduca tho llve-
abtllty of Lho aurrowrdLng area must bc prohlblted.
If thqre ar. questlona concernlng thlc mattcg, pleasg
contact our Portland of,flcc.
Very truly yourB,
DIARMUID tr.. O'SCANNLAIN
Dlreqtor
' :tr/,^^,',(A[,'.,'r--
Harold L. Sarvycr
Adnlnlstrator
Water Quallty Dlvlrlon
R.IN r lJb
ocr Eugen. Dlotrlct Offlcc
Mr. PauI F. Ehlnger, Jr., lrlilA Nortee, Inc.
i
INTRODUCTION
widing Transportation, rnc., is a large trucking firm whichspeciarizes in hauling bulk commodities and heavy equipment.They haul a large variety of bulk chemicals and petioleum productsto and from the Eugene-Springfield area. A large portion of thesechemicals are organic resins used in the wood pioducts industry.
Widing operates a depot in Springfield for their trucks. This 2.5acre facility is located on South 28th Street approximately one-quarter mile south of Main street. The site is located in theNortheast corner of section 6 of Township l8s, Range 28, willam-ette Meridian.
At present, the only structures on Lhe site are a small office, aworkshop and a truck washing facili-ty. A rairroad siding runsalong the north edge of the site. The area along the siding isused to unload chemicals from tank cars.
The wastewater from the truck washing operation is currently dis-charged to a series of three lagoons. Except during years of highrainfall these are non-overflow lagoons. The water is-removed bya combination of evaporation and seepage.
'Widing has plans to enlarge the facilities at their Springfieldoperation. They plan to build a new shop building and to improvetheir truck washing facilities. This expansio., ,itt not incieasethe volume of waste generated in the washing operation. Widinghas an option to purchase five acres of rand to the south oftheir present site. Most of this land can be used to provideexpanded waste handling facilities.
WASTE QUANTITY AND QUALITY
An average of 25 trucks are washed at Widing's Springfield Opera-tion each day. on peak days as many as 35 trucki may be washed.water use records indicate that between 2oo and 250 gallons ofwater are used per wash. The average amount of water used eachday will be in the range of 5roo0 to 61250 gal1ons. on peak daysthe vorume could go as high as Br75o gallons. The truck washingfacility is operat,ed about five and one-half days per week. Theannuar waste volume will be approximatery t.g mirrion gallons.
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Widing hauls a wid.e variety of bulk chemicals. This fact, alongwith the batch nature of the truck washing operation makes itimpossible to accurately characterize the waste generated. Theone thing which is certain is that there will be wide variationsin waste strength on a day to day and week to week basis. Table Ilists most of the commodities haured by widing to and from theSpringfield area. Not all of these materials reguire that thetruck be washed after the haul. For instance, petroleum trucksgenerally haul nothing but petroleum products and therefore donot require creaning. rt should. arso be noted that roads ofinorganic chemicals, such as caustic sod,a, require much lesswater per wash then organic resins.
Approximately ninety-five percent of the volume hauled by Widing
comes from nine commodities. Eighty percent of their volume comesfrom four commodities: phenolic resin, urea resin, caustic soda,and wa:<" Eight of the nine major commodities haured by widingare organic compounds and are, therefore, amenable to biologiciftreatment to some degree
Sampling of the wastes generated at this site was conducted onfive working days during the period of May 7 through May 15. Theresults of the tests conducted on composite samples during thesampling period are listed in Table II. Table III lists the loadswhich arrived during the time samples were colrected.
From the data presented, one can see that this is a verywaste with a high pH, high sorids content, and a very higdemand. The nitrogen and phosphorus analysis indj_cate thwaste lacks sufficient phosphorus for biological treatmen
recommended ratio of BoD to nitrogen to phosphorus is abo60-30-1. The ratio for this waste varies between 60-5-.0
60-7 -.08, indicating a severe phosphorus deficienty.
strong
h oxygen
at this
t. The
ut
09 to
rl
A settling test was run to determine the amount of settling whichwill occur after neutralization with acid. After 24 hours ofsettling in a one liter grad.uated cylinder, the solids occupieda volume of about 700 mI. An analysis of the supernatant indicatesa substantial reduction in coD and volatile'sorids. The coDreductions were in the range of 70 percentil
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TABLB I
COMMODITIES HAULED BY WIDING TRANSPORTATION
Phenolic Resin 44r
Urea Resin 2tI
Causti-c Soda 98
Wax 6r
Premix Glue 4E
f'ormalin 38
PhenoI 3r
Lignin Liquor 38
Paper Resin
Other*
28
5r
*Methanol, Nitric Acid, Acetone, Resourcinal Resin, A1um,
Concentrate "A", Calcium Chloride, Zinc Chloride, Latex,
Woodlife, Toluener Gasoline, Diesel, Melamine, Urea.
l
I
Date Sampled
Date Received
pH
Total Solids mg/L
Volatile Solids mg/L
Fixed Solids mg/L
Neutralization Value
topHT
as meqr/liter
as mg CaCo^/liter
OiI and creasE
(Petroleum Ether Extract)
mg/L
Nutrients - mg/L
Ammonia Nitrogen (N)
Organic Nitrogen (N)
Total Nitrogen (N)
Phosphates (P)
Oxygen Demand
5 Day Biological
Chemical
Phenols
Settling Test
24 Hr" After pH Adj "Settled Volume mI
Supernatant
Total Solids
Volatile Solids
Fixed Solids
coD
7May
May 9
TABLE II
May 8
May 10
L2.5
,800
,200
,600
166
8r3oo
2s0
May 9
l{ay 24
May 14
May 17
May 15
May 18 Average
11;9
21,340
LL,920
9 ,420
I
130
6,475
323
26
495
52L
1.5
3,450
27 ,500 i
553
700
11, 8
34,700
26 t600
I ,100
104
5r200
400
47
1r140
1,187
4.2
3 ,6oo
54 ,500
520
28
130
ls8
0
570
12,000
11.3
20,800
12 ,800
8,000
2,600
27 ,500
360
11. 4
14,100
11,100
3r000
32
1,600
620
14
400
4L4
0.7
4,600
27 ,500
6,100
2,600
3 r 500
8,300
L2.6
20,300
4,900
15,400
2L6
10,800
23
15
310
325
0.5
L,200
15,000
810
650
18,000
1r4oo
16 ,6oo
3 ,700
16
4
L2
*
*
*
I *
*Not run due to late receipt of sample
750
(
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I
May 7
10
I
1
I
0
0
0
0
0
0
0
0
May 8
7
3
I
2
I
I
I
0
0
0
0
0
May 14
7
2
I
1
2
0
0
0
0
0
I
0
May 15
8
I
I
3
2
0
0
0
0
0
I
I
TABLE III
Number of Loads
Phenol Resin
Urea Resin
Wax
Caustic
Formaldehyde
Toluene
Diesel
Melamine
Phenol
Lignin Liquor
Gasoline
Urea
May 9
6
3
0
0
2
0
0
1
1
I
0
0
3
l
j
l
l
-,+.1
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1I
WASTE TREATMENT AND DISPOSAL
The variable nature of the waste from Widing Transportationrstruck washing facility complicates the waste treatment problem.To accommodate the wide variety of materials discharged to atreatment facility, the facility will have to meet certaincriteria. The method should be:
1. Relatively insensitive to changes in waste characteristics.
2. Resistant to shock 1oads.
3. Able to effectively treat a wide range of waste materials.
4. Provide an opportunity to reuse a portion of the water.
Bibl ical Waste Treatment
Most biological treatment processes cannot meet the criteriaestablished in the preceding paragraph. Treatment methods suchas actuated sludge, trickling filters, and other mechanical bio-logical treatment schemes are extremely susceptible to upsets.The only biological treatment methods which meet the establishedcriteria are: (1) a lagoon with a long detention time, and(21 a sPray irrigation system. The pH of the waste would have tobe adjusted to permit the use of either of the systems. To facili-tate the removar of organic matter, phosphorus must be add,ed tothe waste.
Physical-Chemical Tr eatment
Some chemical treatment of this waste will be required regardlessof the system selected to handle it. This may orrry amount to pHadjustment. A number of physical-chemical treatment methods couldeffectively treat these wastes. Among these are: coagulation andsettling or filtration, carbon absorption, and incineration. Themain probrem with these methods is the cost and the degree ofopcrator training required" rncineration wirr also create apotential air pollution problem. The main advantage to a physical-chcmical system would be complete reuse of water.I
Vo1ume Reduction
In order that the amount of wastewater requiring treatment beminimized, steps should be taken to reduce the amount of water
used for each wash. Some effort should. be made to reuse as muchwater as possible. Since some of the chemicals hauled will cause
some probrems in treatment system, special procedures may berequired when washing these tankers. These special- wastes will
be discussed later with reference to the system selected to handlethe wastes.
The system which appears to provide the most effective treatmentof the wastes generated by the Widing operation is a combinationof a number of unit operations. The proposed system includes thefollowing steps:
I. Collection
'2. Neutralization
3. Mixing
4. Settling
5. Storage
'6. Reuse
7. Irrigation.
A flow chart of the proposed system is presented in Figure I.
Collection wilI be accomplished by washing the trucks on a concrete
pad which will draj-n to a central point where the wastewater will
be collected and piped to a neutralization system.
The neutralization system will have automatic pH controls.
Sulfuric Acid will be added until a pI{ of between 6.5 and 8 is
reached. It will be possible to by-pass the neutralization system
and direct certain wastes to the old. waste treatment system. One
type of load which should be directed to the old ponds is wax.
From the neutralization tank, the neut,ralized waste will be pumped
into the first lagoon. The first lagoon will be aerated to mix the
wastes. This will reduce the shock effect on the system and
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and promote floc formation. The aeration system currentlybeing used in the existing system will be used in the new system.
The water depth in the first }agoon will be maintained at a
minimum depth of three feet. The portion of. this lagoon betweenthree and six feet in depth will be used for additional storageduring the rainy months.
The prlmary function of the seeond lagoon wlLl be to allow settlingof solids produced during neutralization. The leveL in this lagoonwill vary depending on storage requirements. The minimum IeveIwill be one foot.
The third and final lagoon will be used primarily for storage,
though some settling and reduction of the organic load should alsooccur. The water leveI in the third pond will vary between almost
zero and six feet
The water from the third lagoon will be used for irrigation and
as rinse water for an initial wash of the trucks. The irrigation
of the effluent will be restricted primarily to the summer months.
The facility was designed for an average yearr so during wet years
some water will have to be sprayed on the land during some wintermonths. The irrigation rates requj-red to dispose of the effluentfrom this operation will be very Iight, Even without any reuse ofthe water, the maximum application in one month will be six inches
on the three acres which are available.
A more detailed description of the various units which are proposed
will be included in the next section of this report. The loca-
tion of the units on the property has not been determined yet,
pending a decision by Widing as to the location of their expandedfacilities on the site.
The solids settled out in
periodically and disposed
the second lagoon will be dredged
of on the land after being air dried.
DESCRIPTION OF SYSTEM
Washing Pad
The trucks will be washed on a concrete pad with a drain. The
pad should be 72 inches thick. The plan dimensions will be
approximately I00 x 20 feet. The pad will be sloped to a
central drain to facilitate coLLection of the waste water.
Waste Sump
The waste will drain by gravity to a sump. The sump wiII have
a capacity of 500 gallons or about two truck washings. The sump
wiII be of chemically resistant fiberglass or concrete with a
chemical resistant finish.
Sump Pump
Water will be pumped from the sump with a chemically resistant
pump. The pump will have a capacity of about 20 gallons per
minute. Since flammable liquids may be pumped, the motor will
be an explosj-on proof model. The pump will be controlled by a
float switch"
pH Adjustment
Sulfuric Acid will be used to adjust the pH of the water to a
range of 6.5 to 8. The concentrated acid will be stored in the
tank already on the site. The neutralization will be done in a
package neutralization system which has tanks to hold diluted
acid, and a mixed neutralization tank" The system will have a
capacity of at least 20 gallons per minute" The addition of
acid will be controlled by automatic controls.
a
A three-ceIl lagoon will be used to accept the waste after neutral-ization. The first two ponds are used for mixing and settring.The finar pond is used for storage onry. The sropes on the
embankment of the lagoons is three to one. The interior wa1ls areof concrete. A sketch of the lagoons follows. A storage volumecurve is also included.
Irri ation S s tem
The irrigation system will be designed to irrigate at a rate of90 gallons per minute. Forty sprinklers will be placed on fourbranches. The branch lines will be 60 feet apart and the sprinklerswill be forty feet on centers. This will result in an applicationrate of 0.4 inches per hour. The sprinklers will be Rainbirdswith 3/16 inch openings. Piping should be buried PVC. The systemwill be valved so that onty ten sprinklers are used at one timethus allowing each area of the site to rest for three days afteran application of vraste. The pump needed will be a five horsepowercentrifugal model which will deliver 90 gpm at a pressure of50 psi. The irrigation system can be designed for either manualor automatic operation.
q)Lqlem Operation
The operation of the proposed waste handling system for widingTransportation's Springfield Terminal will be relatively simple.The initial steps in the system will be taken care of automatically.After the wastewater is placed in the lagoons, the leveIs of thelagoonswill be regulated by the elevation of the pipes connectingthe lagoons.
The leve1 of water in the final two lagoons will vary throughoutthe year from minimum depth to a maximum d.epth of six feet" Thelevel will be dropped by irrigating the waste on the site when thedepth approaches six feet. The wastewater will be used for irriga-tion on a scheduled basis throughout the sunrmer to provide capacityfor storing the wastewater and precipitation during the winter.
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Water from the final lagoon will be used to wash trucks. The
trucks which haul resins require a good deal of water. This
water require.ment can be reduced if wastewater is used to
initially remove the major portion of the residue in the tank.This initial wash will be followed by a final rinse using fresh
water. This should reduce water use by at least one-third.
A quantity of solids will be deposited at the bottom of the
Iagoons. It is not possible to determj-ne the quantity of solids
which wil"l be produced. However, based on the operation of the
Iagoons already on the site, the quantity will be smalI. The
Iagoons wiII probably need dredging about once every two years.
The solids produced wiII be relatively inert and can be safely
disposed of at a landfill.
The system has been designed so that certain types of waste can
be pumped to the existing waste treatment lagoons to avoid
problems in the new system. One of these wastes is the wash
water from loads of wax. Loads of caustic should also be directed
to these lagoons. Trucks which haul petroleum should not be
washed. If they are, the wash water should be directed to the
existing lagoons. These items should be kept out of the proposed
system because they may cause problems.
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