POLLUTION CONTROL PROJECT
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STATE OF FLORIDA
DEPARTMENT OF POLLUTION CONTROL
POLLUTION CONTROL PROJECT--BASIS OF DESIGN DATA
Fill out 5uch portions of the following blanks as related to the
proposed project and submit with the plans and specifications.
Add extra pages if necessary. Specify in detail for any special
equipment or advanced process not included in the form.
DPC Project No. C120461010
Applicant: City of Clearwater
Consulting Engineer Signature
Af-~ ~ '7fy--<--
State of Florida Registration No.
18055
Date
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Page 2 of
34
Description of project in terms of type of treatment, flow capa<;ity,
and process units: The Clearwater Northeast Wastewater Treatment Facility
will provide capacity to process an average of 8 mgd of raw wastewater to the
required degree of advanced treatment, and will process an additional 8 mgd of
secondary effluent from existing plants to the AWT standards. The 8 mgd portion
of the plant will include mechanical screening, aerated grit removal, primary
clarification and high-rate activated sludge processes. The 16 mgd portion of
the plant will include suspended growth nitrification and denitrification,
multimedia filtration, and disinfection processes. Phosphorus will be removed
by chemical precipitation in conjunction with the activated sludge and denitri-
fication processes.
Justification for project:
The project is necessitated by rapid growth,
-service area expansions, el imination of private and individual treatment
devices, service agreements with neighboring cities. and higher imposed
treatment standards; all in accordance with accepted regional plans. The
project wil I further preclude the need to exp~nd or upgrade the existing
Clearwater East. Dunedin and Safety Harbpr Treatment plants and will materially
reduce the future pollutional loads which would otherwise be discharged to
Old Tampa Bay and ~t. Joseph Sound.
Est. construction contract amount(s): $13,000,000
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~bPRIMARY CLARIFIER ,/
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500..'2,.'-o.,"'G 1400' "", I' I
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CAR)l9ttAtEOUS
.' STAGE
REACTORS 8
CLARI FI ERS
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FILTERS 8 CHLORI~t...-:"..-~"" ': I
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DENITRIFICAT ION STAGE --_....:~ I
REACTORS & CLA.JU~~- . I.
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ra NITRIFICATION STAGE" ~
-.;. REACTORS & CLARIFIERS:
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SLUDGE
DIGESTERS 8
THICKENER ;
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PLANT LAYOUT 6 WASTEWATER FLOW ,PA!T~RN
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Projec t - DESrm! CRITE:?IA
1.
Scoce of brojcct:
.
Check if included in this contract
(x) a. Intcrcf'ptc!" or outf<.ill sc....rers
( ) b. Pump station(s) ~r.d force main(s)
(x) c. Wast~~atcr treat~€~t facilities
( ) d. Other
2. Pro5ect 102din~:
lage 4 of 34
Avera,::; fiO..1
At Present Ti~? In Desi~ Year (1985)
a. Industrial flow
o
mgd
DotiGstic flow
o
mgd
Total flo.....;
o
mgd
b. Ind~strial BOD
o
ppm
Domestic BOD
0,
ppm
Total BOD
o
ppm
c. Induzt~iol susp.
soli as
o
ppm
Domestic susp.
solids
o
ppm
Tot~l susp.
solids
o
ppm
16
16
210
210
210
210
3. Principal typos of Industrial wastes: None
L. De,.reo 0 f trcatr.-C'nt: 7';
Hc~~v<:Jl
At present
tir:o
Initially
after n:"::l.;~ct
,
8. BOD
%
b. SusPQndod
solids
*Effluent standards of 5 mg/L
hos ho~us will be met durLn
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c,t;
o
t:1gd
mgd
tngd
o
pprn
'Cum
- .
ppm
o
P?~
ppm
pp:n
In desip year
(19 )
1:
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BOD and suspended solids, 3 mg/L nitrogen and 1 mg/L
all .hases of. the ("eet.
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Page 5 of 34
STRE/,~.t DATA
1. Esti~ated Hinimu~ Daily Fl~,l 41.2 mgd
Regular cycle of high
Duration and low tide
Frequency tw i ce da i 1 y
2. Stre~~ - ~ee Flo~in& ( )
Sluggish ( )
tidal
3.
~.
s.
Distanc e !):l/::1stream to r: earest CC~":1'Jni ty
1300 ft.
Distance DO~;:1stream to l:earest l.:~ter Intake
None
Na~e of Recaiving Stre~~
Old Tampa Bay
6. Is Shell:ish Growing a CO:1side~a~ion ( ) Yes
If urps" J 'What pr:lTIsions ha-,e been ;;:ade?
( x) No (See Note Be low)
7. Are a~y u~ts subject to floodinb? ( ) Yes (x) No Flood Elc~.
Fr6que::1~Y If "Yes" J -...:hat i~ the risk and 1-:hat reasonable
protection has been provided?
B. Stream Classification
Class II (See Note Below)
9. ,r.,at n~e the applicable ~aste loading li~~t~7 5 mg/L BOD. 5 mg/L SS,
3 mg/L nitrogen, 1 mg/L phosphorus
10. ,Are Pe:-::-:it.c: to Construct required fro:n other Federal Agencies? () Yes (x) No
(Attach Co~p:1tatio~s sho',:{:lg the effect of project effluent on receiving streai.!)
Enviro~~s~~~l Ccnsider3ti~~s
.
,
"
Yes No
(x) ( ) a. Have noise and odor control been gi~en p~oper attention and provided
for whero necessary?
(x) ( ') b. Has attention been devoted to a generally aesthetic appearance of
the facili t:r?
"
( ) (x) c. Bas an Enviror.:::ental I:.;~a::t State~ent (1:IS) been \-~ritten on this
project? Not required, -
N.A.
( ) ( ) d.
(x)()e.
(x) ( )
Have all reco~ie~dations of tho EIS been folIo~ed?
~ill a rninir.u~ of pri~~ry treatmen~ be pro~ided during construction?
No te :
f. ,P.ave the restrictions on the USQ of ~ercury pursuant to TB D-71-2
been compliod with?
Although the receiving waters are Class I I, they are and have
shellfish harvesting. In our opinion, the presence or absence
outfall will not affect the future use of the waters for that
been closed to
of the proposed
pu;pos~ .
.
Project Xo:
General:
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Page 6 of 34
SPECIFICATIONS
C120461010'
Project r:ame: C Jearwater Northeast
Wastewater Treatment FaciJ ity
(x) Yes ( ) Ho
.IIdvertise:.:e:1t:
Section Page
A
A
A
A
A
A
A
Are specifications in accord3nce with Section 20L (a) (6)
of thu Foderal :'Jater Pollution Control Act Amendments of
1972 (PI. 92-500).
a. Time of Bid Opening
b. Work to be Perforr::e1
2
c. General Bond Requirements (5% minimum)
2
d. A statement that the p~oject is to be financed in part by a
grant from the ~viro~~ental Protection A~cncy, and shall be
referred to as Project (Gi~e Project Nu~ber).
2
e. A statement that bidders must cCr:1ply ....:i th the President IS
E>:ecutivc Order Nos. 11,2u6 and 11,375, which prchioit
discrimination in e~?loyment reearding race, creed, color,
sex, or national origin.
2
f. J. statc::.E:mt that bidders must cc:r.;>ly \o:ith Title YI of the
Civil Rif.hts Act of 1961. The Davis-3~cc~ lct, the Anti-
Kickback Act and the Contract \-Jork Hours Standards Act.
2
g. A stateN~nt that bidders must certify that they do not, and
will not, maintain or provide for their c~ploY8es any
facilities that are segregated on a basis of race, color,
creed or national origin.
.
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I Page 7 of 34
SPECIFICATI01!S (Cont.)
Contract Specifications:
Section Page
To be added by
Addenda a.
SP
A
Gene ra 1
Conditions
II
II
1.1
II
SP
E
SP
6
...,
L
8
-
9
-
9
9
9 i.
9 j.
-
3 \:0
11
rIa ge Dcterr..ination
rID #
Anticip:tcO ~~a~d Date
Exp. Dat~
b.
lIon-Discrimination Clause - l':C:1tion t~e Pr-e$ident's
Executive Order No. 11246, and Executive O~der No.
11375.
d.
5% Bid Bond RequireioH?nts (for contracts over $100,OCO).
e.
100% p~rfor~3nce b~nd and lOO~ pa~~ent bond for
contracts in excess of $100, C0J. (:-:ust. be valid for
one year beyond the dato of accEp:.ance of the
completed project).
f.
Workmen IS co:r.pensation insurance.
g.
Public li2~ility insurance.
h.
Property da~age insurance.
Fire and extended coverage in~ur3nce (Builder I s Risk).
Non-segreented fa~ilities requireffients.
Equal oppo~tunity cer~ification requirements.'
1. Labor standards contract pro\.ision - l1ay 1973.
None m. Special notice to biddors on contracts over one
million doll~rs.
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r.:ige 8 of
34
SFL8I:ICATIC::S (Cont.)
Section Pat;e
~_ ~ q. l:ethod of c;',:31"d (lOi-:c:::t rcspon:iibJ'~ bidder).
A
ES
NA
SP
SP
B
5
r. B~sis fo:- d.: ~':::-l'linl~:: 10..... bidde:-.
1
s. P~€qualific2tion requ~.:.e;~~:lts
t. List of accc~;3ble c~~i?~c~t or precesses
u. Cc~ditio:l::; on oV<lluatins "lump SL::-:i" contracts
None
3
970
x. Definite Cc:-;;.-letion Ti!"::J
days.
3
$500/day
y. Liq~idated d3~ages:
amount.
GC 12 z. "O:t-:.~:Jr~1" cl<:!'J.sE' foro C~~lp:-.e:1t. In cases .1hG~.o
exps:"ie:::s clcm::;es tJrc u5ed, a:l .1ltcl"na:'e bond on
ca~h de~osi t n:;y be. ~:C6P:'~~. fro'': n?n~facttlrGJ'~ .
\:b.J.ch do no: r:~e" tne s:e,c':J.,aed o:;,er1.ence p2r~od.,
T~e ~0nd ~r c3sh ce?~~~t pro\~dGd by the n~~uf~cturer
or su??lier- :.;ill g'uor;:J.:.ce re?lGc':~:;nt of the eouiD-
r:e:-.t 0:- p!"ocr:oss in t::3 e',-.::r.t. of failure or unsat.is-.
fa~to=7 f€:"vice. The p,::!"::.od of tir::2 for l\'hich tha
bO:1::l 0:- ca::i~ o0?osit is required shall be the same as
the experience period of time specified,."
SP 10 aa. Kininize siltatio~ and soil ero~io:1 during construction.
GC 18 bb. Restore dist~bed areas to oritiir.al or better conditions.
SP
2
c~.
Sc~f:d'.1le .....0:"1: to ;'linir.:ize b:r-passing .;astewater during
ccnsv~~c:'~c~. Schedule to be sut~~tted for zpproval.
SP 2 & 13dd. Proje~t sif;i1 datail.
SP
SP
4
ea. A state:;en~ that the contractor sh3l1 co:nply r:ith the
Dc?~:-t:-:e:1t 0: Labo:- S':;:'L':'Y dr.oj He3lth R2gu12ticns for
construc~icn ?:-o~ulr,a18d under t.he Occu?ation3l Safety
a!)Q E~alth .;ct of 1770 (1'L 91-5-;;6) ~nd under Section
107 of the CC:1t,ract ~'.'o.k P.ours and Safety Stnnd~rds
Act (PL 9l-5~).
9
ff. A sta~e:;e~t that all cf,0micnls used during projoct
con::t:-::~ti::1 0:- !\l:"ni:::h:d fot' p:"C\~:>ct o?eratio:1, 'rJh'3ther
herbi~ide, r~sticide, disinfectant, pol)~or, rc~ctnnt
or of oth~~ Cl3Ssi~ic~~ion, ~ust show epprovnl of
either E?A or U3JA. Use of ~ll such chemicals and
di ~p~s3l of r0sid'Jcs s~:all b.) in strict confor.:::mce PJi th
instru=tions.
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Pago 9 of 34
. SPECIFIC:'TIO::S (Cont.)
Section Pa ge
SP 4 gg. A s~2t~~ent th~t the cc~tractor sh211 abide by all
loeel ~~= State la~s or ordi~~ncc5 to the extent
that s~:h rc~~ire~~nts do not conflict with Federal
1aws o~ r~~~~tio~s.
SP 10 hh. Righ1i of Ent:-y - EFA a!1d PollutiC'!1 Control Agency
SP 10 li. Pronca fer access to flll record~ b~' EPA ~nd St3te
-----
person.Tl€l
NA
jj. l!o e~e~ience clause
NA
kk. State~=~t t~at t~aflic is to be mciintained on all ronds
and 5tre~:'s -;;hich r:ust b9 crossen by sewer lines. If
the opzn-c~~ ~sthod is uS8ct, t~o s~pa~ate cuts mu~t
be made and one land tmst be Op3r: :'0 traffic at all tiw3S.
SP
E
5 TI.
2
In~tructicns and Certificates for Nonsegregated
Facilities.
SP
I:.
6 mm.
-r
Certificotio:1 by Prir:;8 or Suboontractor regarding .
Equal E~?lD:~~n~ Opp~r~unity.
Prol'os;Jl:
Separate eligible and non-eligible itens
( NA )
(X )
(X )
Time of Co~?16ticn =
970
days
Show bass bid and any alternates No Alternates
..
..
YE>S 1:0
--
(X) ( )
(X) ( )
(X) ( )
(X) ( )
(X) ( )
(X) ( )
Yes No
--
(x) ( )
(X) ( )
(x) ( )
(x) ( )
(x) ( )
(x) ( )
(x) ( )
(X) ( )
, .
(X) ( )
.
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Page 10 of 34
Gr:r~r:RAL \-lASTt~IAT::R TREAn~:;T rACILITII:S
DESIGN DATA
Reli<!hHitv
a. Are ~~~~s of as~\~in~ co~tinuous o~cr~tion provided.
Des~rlLe by att~~h~e~t. Project includes engine-generator
set and dual-driven equipment.
b. I1~ve I:'.lltiple u:;its and e~uipi:lent been nrovided to the
maxii.!tl;';l extent ?cssi~le?
c. Can in~ividual plnnt units be by-passed?
d. Are there adequate provisions for flexi~ility of operation?
e. Is treatment process suiTable for the character and volume
of the sewage to be treated?
f. Are all operating de~ises, including valves, gates, drains,
pumps, motor STarters, s;,iLches, sensors, gaug~s, recorders,
fans, heaters, c~lorinatcrs, ni~in~, ~2nholes, etc., :
numbered, la~elcd, or oth2r..dse ide:1ti~ied in a r.:an::lcr that
can be utilizes and incor~orated into the Operation and
Maintenance ~anual?
Safety Features
a. Is the plant fenced or otherwise enclosed?
n. Is the plant area well lighted to provide safe night time
operation?
c. Is the public water supply protected by a backflcw preventer?
d. Is mechanical ventilation provided where required?
e. Are railings and machine guards provided?
f. Are liquid cher.:ical stora~c areas properly curbed to hold the
stored volu!:1e of liquid chc::Jicals in each area?
g. Is drainage fr.o~ chc~ical storage and work areas proper and
adequate?
h. Is adeQuate ventilation provided in areas where chemical mist or
dust might be presen~?
i. Is ch~rnical pipin~ or tran~?ortinr- sv~te~s labeled and rrovid~d
witll :::;;'lc1~h q,-\3~'.JS and oth~l' devices for protection of oper.;:t ir;i',
pcrsonn('l?
1
"-
- .
Yes 110
(X) ( )
(X) ( )
( ) (X)
(X) ( )
(X) ( )
NA
( ) ( )
(X) ( )
(X) ( )
(X) ( )
(X) ( )
Yes No
(X) ( )
(X) ( )
(X) ( )
(X) ( )
Corr.ment s :
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Page 11 of 34
SAfETY (Cont.)
j. Is an eye wash fountain and/or safety ~tower located within 25
feet of each lo:ation ~here hazardou~ chemical exposure
mip,ht e,.:ist?
k. Is an adeot:~lr; contin~ous sUD:)lv of po-:able .....cJ.ter availahle
to all eye ~ash fou:ains and safe showers?
1. \-:ill an aud!;,le alarm sysTem be acti\.a:ed when an eye wash
foutain or s~~e-:y sho~er is in use?
m. Are all che~ical s~oraee containers properly labeled?
n. Are chemical storage, areas cool and dry?
o. Are separate a~eas provided for chenicals which react
violently ~ith each- other? .
p. Is adequate and proper storage space provided for all
safety equi~;::i::nt (i.e. rr.asks, gog[;les, etc.)?
q. Is ade~uate an~ prc?er sto~~ge facilities for e~crgency
first aid eGu:~~2~t pro'liceJ in close ~rcxi~i~y to each
hazardous area?
r. Are adequate and proper signs posted in all areas ~here
hazardous che~icals are ~tored or used?
s. Are adequate fire extinguishe!"s of the proper type provided?
Buildin;:,s
a. Is an adc~uately equippec and stocked lcborato!"y proviccd?
If not, have Frcvisio~s been ~ade to con~ract for labwork?
b. Is the space F~~videc in the vario~s bt1ildin~s adeauate?
c.. Arc heating, li~hting, and sanitary facilities adequate in
all Duildir:S:>?
d. Ar~ chemical storage and machine lO~cttions safe?
"-
Location:
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I I'a~c12 of 34
Sr:lli~RS
NOT APPLI CABLE
Type of Se~cr: Sanitary
Co::!bined St9I'~
Classific~tion: Co!10ction Se~cr
Capaci ty:
Length:
Intercc~tor Outfall
Per Capita rIm.!
Dia771eter:
Pipe materials:
Base bid:
Alternate:
Type joints:
Appiicable ASTM specifications for pipe, fittings, and joints:
l. AnSl.!er follo:-!ing by c.~ecking IIYes', or IIno":
Yes No
( ) ( )
( ) ( j)
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
a. Are all sewers straight and at an unifo~ slope bet~een
manholes?
b. Are all sewer frades sufficient to main~ain at least 2 fps
in all portions of sewer?
c. Al-'C all se;.:e:r's ces:f,~ed fer 2 peak
times the de~ig:J. ave:r'C6e rlm-!?
flow to at le~st 2-1/2
d. Are all se~ers laid in a n~e~3~ed bed with support along
entire length of each join~ of pipe?
e. Will all backfill be thorou;hly co~pacted?
f. Will enc2se~ert; cast iron pipe, or other extra strength
pirc material be used under pavenent, railroads, or ~here
cover is less than 30 inches?
g. Does test linit infiltration or exiltration to 300 r.allons/
milc/dav/inch of pipe dia~eter?
..
Y('S No
--
( ) ( )
2. Yes Ho
--
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
Comments:
I.
Pu~c 13 of ~
I
h. Is type of infiltration o~ ex~lltrution t0sting specified?
r.~anh':llcs :
a. Are all ~anholes constructed from ~asonry materials?
b. If b~ick, or other ~as"nry l:ni ts ,.:ith r.;o!'t3.~ joints, is
outsid~ ;.las~ere~?
c. Is diar:i~ter of lo",er portion at least 4 feet?
d. Are all manhole cover openin[s at least 20 inches in diameter?
e. Are manhole covers watertight in areas subject to flooding?
f. Is safe access orovided into rnan~olcs? (steps or ladder
except in deep manholes)
g. Is bOLLom channeled and benched?
h. Are "Drop !.;ar.holes" p:'':lv::.ded \,:Lere a diffcY'ence in elevation
of 24 inches OY' ~cr8 exists?
i. AY'e nanholes space~ for e2~y sewer line clsaning and ~aln-
tenance; rnaxi~u;n 400 fE:e1: for IS inch and s;;~2.1ler se;:..~rs?
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Page 14 of 34
...
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sn:p.c~::: Fl''':'r:r STATIO;Z:;
NOT APPLICABLE
Location:
Ty?e :>f Pumps
Duplicate Unit~ Provided
PUlr.? No.
Size
(in. )
Il'lction
~ead (rt)
S ,i. tic Ci!paci ty
H~;.d (ft) hP~1
Rated
TDH
Ccr.-:putE'd
TD;:
Cot:lstant
or Vc::.riable
Speed
PU!!ip Control
Alternator
Simultaneous
Can maximu:n flow be ha:1dled without largest u!1it in service?
( ) Yes () No
If "No", give exnlanation
If any pu~p stations ?ore su~ject TO flooding, indicate what
protection is beinh provided:
Answer follo\o\in,:'; :by d~ecking "Yes" or lI~Jo":
Yes Ho
--
( ) ( ) a. Are there at: least t.-:o pU.ilpS in each station?
( ) ( ) b. Are pur;:ps located in a "dry" pit?
( ) ( ) c. Is a pel'r.;ane:1t ladder or stair provided in 11 dry" pit?
( ) ( ) d. Is a sump PU7::? pro.....ided in "dry" pit?
( ) ( ) e. Is a dchu;nidifier provided in "dry" pit?
( ) ( ) f. Is forced ve!'t ilat ion provided in "drv" pit with capacity o~
at least sh: air changes per hour?
( ) ( ) g. Is a positive su::tion head provided on pumps'?
( ) ( ) h. Is a separate suction pro.....ided to each pun??
( ) ( ) i- Is a check valve provided on each pU::lp discharge?
.,
e.
-,(){.)
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. ( ) ( )
'. ( ).{ )-
( ). ( )
( ) ( )
( ) I ,
< ) ,( )
( ) ( )
..I.)()
-()()
( ) { )
To~ ..i:.: l:ain
Location
I
tge 15 of 34
~~~.".'='~ i~~"?r:~ ST.!,';";":S (Cont.)
j.. ^~''': ~:.. ~ c~ .,:- ~.-:'" ..~ ';', r D"l'OTi(l':~~ i ~ !,:"ct~ <met a ~ ;char'foe
.;>.i;, ~ r:'f ~ ~
C::dl
r.....
..... ,,'.
"t~. .J..'!i.iI~n~.. ;:.....--e::.~.~ -:~i:.;c -:., ....:..!-..:o at:~
':": i." ~. .
.J.. ,..Lre 'P~ ...~.~on ~'Od f:5charge il't U.::ls"t 4 :inci:?
Jl1.
1 s Z 1C~C'~ ::~1 "':' :.: .
. ':( .:
;t~tic:
T' ~ t;, ?
:: j- ,..
PU::
n. - Is '-
!'e~cc F_cride::.
-v.,.....,. .
Q. ..",....:.....
:;~ation?
D. Are provizions ~ade fo~ c~~tinuous opcraticn?
..,.!: 7~=='::Y pOHcr or
:tcnt:.:-.n r~~ ........nvidec1 ;1' ~i"'" of a by"";-
..,
q. . -c:~ z::C-=.=:l.tc.. ~ ~-:"":n sys-te - '!'ovLih.,
~.
Is zn a:::cess ~oad ::,ovided "to e?ch P'...:::7 station?
So.
Is J''\ole't" pi1: v~1::lla1:ea?
-+-
.-
kre i:.here m:y cross C011'T'l:2CtiOTI of "Do'tciJle 'h"atcr?
u..
A~e ~rovisi~s ~ace IC= r~~o~i~f 1:ne PU~?S and/or mo~ors
fro;:) the dry ?i t (A-:fra;~,~ c:' :.oist)?
.....
..
llazen-1-iillia:n "en ra~cr Used
_ ~J_
JYpe ...of pipe
1'ypc of Join~
Size
P!"('c:;surf' rlass
LeTIi~t h
Answer follc;.:in~ by c!:ccki!1[; "Yes" or "?':o":
.:..,-.. ..
Yc.. ;;,.
t ) () a. Is Gisd~ari',e veloci~y il.-<i'orcc r.:<1i....:it:lin t,,'.J clnd 1:c~; fL)S?
.( ) < ) b. J\rc ~ir r~lief valves r'!'::-v;~cd ~t b:r.h 'P'Oints i~l torc;'U T.!,:dn~
( .., ( ) .c... Arc Te11e~ valves ~o\.~cC':::! <.1"": 1:--,: 1='C'i..1::~'.in f~.rcc r.;.:d 11:'?
( ) () d. Arc thrust blocks provicL'~~ <1t bC:1J,,?
.,.
( ) () e. 15 r.;inir.:~ cover proviJf'c?
Con:l:1nC't ~ :
..
I
I
Page 16 of 34
SC~J.,Lj~~7~.. r.IT ~~::~"...~.:.. .!-.:-:-: ::.':"..~ ~.~;.sr_T?~:~~:7
L Par Scref'ns:
Z.~2r.uoUIy cJ.ec:nc>d - ~~:. -0::1 'y cl€~~( cb-c.le c::e).
a.
b. OJ.'cming '\o\"idt!1:
. 1.-
~nc'o-es.
c. Slcpe of Do;:!,S:
75
G€r;r:=e.s.
1.Ds"'.e~ ~ollO\-:ir.b 1;y chE:c1~~r:;; "Yes" 0::' '.:::-1f:
Yes 1:0
(x) ( )
d. Are provisic~~~=ce f~~ ~~~~~~~
in a sani ta:-. ;'1"ro', ..'J
- ~~~C>'"
c .1';crE'!("n=-~gs
,.'I.J
ex) (-Y.J-.J;. is a bypc:.s~ :i='ovid~) -.i:= O~ un..i.
t' -
.2. Co:;_:-:~mut:or:' NOT APPL I CABLE
( ) ( )
a. Nu;::ber oj' l:I:.i-rs:
.h. TOTal capaciTy:
r'~GD .
3.. T~o-.7 r::e3!':l.::!'::nz device:
c. Is a bypass P='oviBe..::.., r 0:::2 1~';'t is used?
(X)()
ex) ( )
d. LucaTion:
Influent channel to denitrification facilities
.h. Method:
Parsha 11 fl ume
c. Recording.
d. Is a reference staff gaFe p:!"Dviced foZ' weirs and flumes?
~. Grit re~ov2l ~acilities:-
(x) ( )
(x) ( )
a. }~an~'ally clea~,.,;1 - 6ch271l.CaDy cleG:"~ t circ.J.e one).
) N'I.."Tilber of units: 4 tota 1 , 2 ope ra t i ona I
- .
c. Detention Feriod: Present TIo,. NA
..
d. Velocity tr.rouf.~ chcr.:nel: NA
Design rIoH 7.5 min.
c. ~~ethoj of r,rit disposal: Washed, dewatered and buried
f. Is p-it chi:l~er aerated?
r,. Druin Provid~d?
. .
(x) ( )
Comncnts:
~
I.
Page 17 of 34
I
SCREErn::~. C~IT P.i:!.;:W.\L A!m rL'":n.: !:~.r-.SUF.t~'S?!T (Cont.)
h. Is grit cha~ber easily acessiblc for grit removal by the
operator?
~
.
I.
I
Pagc180f 34
SEDr ;.::::::'i'P.TIO:: TN:!:S
Type: Primary: X Intermediate:
Feed: End/ccnte:r/;"cripheral Center
Number Ta~ks 2
Final:
Shape of Tanks
Circular
Percent recirculation None
Flo.., : 8
!:GD. (including recirculation)
2.4 hours. (including recirculation)
905 gpd/sq. ft. (including recirculation)
Detentio:1 tine:
Surface loading:
Weir overflow rate:
17,500
gpd/ft. (including recirculaticJ
Is overflow Weir Adjustable? Yes
Method of sludge collection: Continuous rotating scrapers
Method of scum collection and removal: Continuous rotating skimmers and
discharge to external scum box
Disposition of Scum To aerobic digesters
Is sludge return provided? No ; Amount of slud~e returned None
sludge returned to NA
SLUDGE PU:;? S
No. 2
Dischar~c to
aerobic digesters
Type torque-flow
Sludbe Pipe Di~~eter
6-inch
Pump No.
1 & 2
Capaci ty
320 gpm
Rated TDH
15.1 ft.
Conputed TDH
15.1 ft.
Comments
1170 rpm constant speed
-
Comments:
.
..1 .
.
..
~
A.r.e 19 of
34
AtRATI011 T.A.::KS
(Carbonaceous Stage)
r:u!nber Jdn\s 4
Shape 0~ Tanks rectangular
Desi~n fIo\: (Exclu~5vc of Return Sludge)
8
mgd
Detention time in aeration tank: 2.7
on design =low, cxcludine recirculation.
hours, based
Type aeration proviced: ~or mechanical (circle one).
Volume of air/lb. BOD re~oval (Blo~ers):
1500
cu. ft.
Pounds of oxy~en!}b. BOD applied (Mechanical):
NA
lbs.
Pounds of BOD/IDDO cu. ft. aeration taDk capacity:
80.6
Ibz.
Sludge reci~culating capacity:
12 - 75
9<
o.
Answer The following by checking "Yes" or "No":
(X) ( )
a. Is return sludge rr.etered?
(X) ( )
b. Are multiple variable speed sludge return pumps provided?
If not, explain.'
eX) ( )
c. Is a tanl: drain provided?
(X) ( )
(X) ( )
d. Is froth control included?
e. Is rr.eans nrovided to control volu~e of air to the aeration basin(s)?
Co~ments: Carbonaceous stage wil~ be operated as a high-rate or modified
aeration system to permit 30-50 mg/L of BODS to carryover into the nitrifi-
cation stage. Flexibility of de?ign will also permit 90 percent removal
in this stage if desired.
~
,
l
I-
,
Page 20 of 34
SEDJi-::::;:TJl.TIO:: TN:!:S
(Carbonaceous Stage)
Final:
Type: Primary:
Intermediate:
x
Feed: tnd/centc:rh)eripheral
Cen te r
N~E:r Ta'1xs
4
Shape 0: Tanks
Circular
Percent recirculation None
Flo.r:
8
~:GD. (including recirculation)
Detention tine:
3.6
hou~s. (including recirculation)
Surface loading:
602
gpd/sq. ft. (including recirculation)
Weir overflow rate:
11 ,900
gpd/ft. (includingrecirculatic
Is overflow Weir Adjustable? Yes
Method of sludge collection: Continuous rotating rake arms with multiple
sludge suction pipes
Hethod of scum collection and rewoval: Continuous rotatinq skimmers dis-
charging to trou~n and external scum box.
Disposi tion of Scum ae rob i c d ige s te rs
Is sludge return provided?
Yes
; Amount of sludge returned 1-6 mgd .
sludge returned to carbonaceous aeration tanks
SLUDGE PU!;P S
No.
2
Type
mixed-flow
Dischar~c to carbo aeration tanks
Sludbc Pipe Diar.leter
16"
Punp No.-
Capacity
Rated TDH
Computed TDH Comments
1 & 2
4200 qpm
20.6 ft.
20.6 ft. 600 rpm max. - variable
drive
Comments: Alum (or ferric chloride) added to the incominq mixed 1 iquor for
phosphorus precipitation.
.J
.
..
..
l-lr.e 21 of
14
AI:P.ATJ011 TA;:!\S
(Nitrification Stage)
?:umber Tdn1:s 4 wi th 2 passes per tank and 4 compartments per pass.
Shape ~~ Tank5 rectanguJar (each compartment is square)
Design Flow (Exclusive of Return Sludge)
16
mgd
Detention tine in 3eration tank: 3.4
on d~sign ;low, excludin~ recirculation.
Type aeration proyiced: ~or mechanical (circle one).
Voll.:.rr.e of air/lb. BOD rer.:oval (BlO\'~ers): 1500
Volume of air/lb. NH3-N oxidation (Blowers)
Pounds of oxy~en!lb. BOD applied (Mechanical):
NH3-N
Pounds of ~)OO/looo cu. ft. aeration tarlk capacity:
hours, based
6900
NA
eu . ft.
cu. ft.
Ibs.
11 . 1
lbs.
Sludge recirculating capacity:
25 - 150
9.,
o.
Answer The following by checking "Yes" or "No":
(X) ( )
(X) ( )
a. Is return sludge rr.etered?
b. Are multiple '.Tariable speed sludge return pumps provided?
If not, explain.'
(X) ( )
c. Is a tank drain provided?
(X) ( )
(X) ( )
d. Is froth control included?
e. Is reeans nrovided to control volu~e of air to the aeration ~asin(s)?
Comments: Tanks are designed to ensure plug flow and include a I ime system for
pH control. . With MLVSS concentretions in the range of 1500-2000 mg/L, the
i
system will be loaded at 0.09-0.12 Ibs. NH3-N per lb. MLVSS. Air system is
.
designed for 50 mg/L of BOD in addition to ,the ammonia load.
..
l
..
. "
I
.,
Page 22 of 34
SEDH:I:HTATIO!I TN.lKS (Nitrification Stage).
Type: Primary:
Intermediate:
x
Final:
Feed:
End/center/peripheral
Center
. ... . .............-.... ...
.
Number Tu.'1ks
8
Shape of Tanks
Circular
Percent recirculation None
Flow:
16
t~GD. (including recirculation)
Detention time:
6. 1
hours. (including recirculation)
Surface loading:
350
gpd/sq. ft. (including recirculation)
Weir overflow rate:
7,750
gpd/ft. (including recirculatio~)
Is overflow Weir Adjustable? Yes
Method of sludge collection: Continuous rotating rake arms with multiple sludge
suction pipes
Method of scmn collection and removal: Continuous rotating skimmers
discharging to trough and external scum box
Disposition or Scu~ to nitrification aeration tanks or aerobic digesters
Is sludge return provided?
Yes
; Amount of sludge returned 4-24 mqd ;
sludge returned to nitrification aeration tanks
SLUDGE PU~;PS
No.
4
T)~e mixed-flow
Dischar&c to nit. aeration tanks
Slud[,c Pipe Diar.1eter 2 at 24"
PUT:1p Ho.
Capacity
Rated TDH
Cor.:puted T!)H
Corr.ments
- 4
8300 gpm
22.8 ft.
22.8 ft.
505 rpm max. - variable~d
Comments: Polyelectrolyte may be added as an aid to sedimentation
4.
I
Page ~3 of
34
DENITRIFICATION REACTORS
Number of Tanks - 4 with 6 covered compartments per tank
Shape of Tanks - rectangular (each compartment is square)
Flow Pattern - compartments are baffled to ensure plug flow conditions
Design Flow (Wastewater Only) - 16 mgd
Design Flow (Including used backwash water return) - 20 mgd
Sludge Recirculating Capacity - 17 to 100 percent
Detention Time (Wastewater Only) - 2.0 hours
Detention Time (Including used backwash water return) - 1.6 hours
Type Mixing Provided - vertical turbine mixers
Volumetric Loading - 18.5 lb. N03-N per 1000 cu.ft./day
F/M Ratio - 0.15 to 0.20 lb. N03-N per lb. MLVSS/day
Organic Carbon Source - methanol
Comments: Return sludge is metered. Multiple variable speed return sludge
pumps are provided. Tank drains are provided.
NITROGEN RELEASE TANKS
Number Tanks - 4 with 2 compartments per tank
Shape of Tanks
rectangular (each compartment is square)
Design Flow (Wastewater Only) - 16 mgd
Design Flow (Including used backwash water return) - 20 mgd
Detention Time (Wastewater Only) - 40 minutes
Detention Time (Including used backwash water return) - 32 minutes
Type Aeration Provided - Submerged turbine aerators
Comments: Common wall construction with denitrification reactors is used.
Tank drains and froth control are provided. Air volume can be
controlled.
BRILEY, WILD & ASSOCIATES
.
....
I
Type: Primary:
.'
'I
Page 24 of 34
SEDn!I:Wi'~.TIO~1 Tr\!!KS (Deni tri ficat ion Stage)
Intermediate:
Final:
x
. ... . ............. ..........
.
.. .. .,.................. ........ ..
Feed:
End/ccntcr/peripherul
8
Number Tai'lks
Shape of Tanks
Center
Circular
Percent recirculation 4 mgd (used backwash water)
Flo\-I:
20
Detention time:
Surface loading:
Weir overflow rate:
f''lGD. (including recirculation)
4.9
440
hours. (including recirculation)
gpd/sq. ft. (including recirculation)
9,690
gpd/ft. (including recirculatio~:
Is overflow Weir Adjustable? Yes
Method of sludge collection: Continuous rotating rake arms with multiple
sludge suction pipes
Method of sc~~ collection and removal: Continuous rotatin9 skimmers
discharging to trough and external scum box
Disposition of Scu~ to denitrification reactors or aerobic digesters
; Amount of sludge returned2.7-16 mgd;
Is sludge return provided?
Yes
sludge rettL~ed to denitrification reactors
No.
4
SLUDGE PU~~?S
Type mi xed-f low
Dischar[:c to denitrification reactor~ludGc Pipe Di2~':1eter 2 at 20"
PUT:1p Ii 0 .
Capaci ty
1 - 4
7000 qpm
Rated TDH Coqmted TDH Co:r.::ients'
21.2 ft. 21.2 ft. 600 rpm max. - variable speed
,Alum and polyelectrolyte may be added as a secondary stage of
Comments: phosphorus precipitation and as an a'jd to sedimentation.
I
p+e 25 of
34
FILTERS
Type - mu 1 t i -med i a g ravi ty flow
Number - 12 (in 6 pairs)
Shape - retangular
Total Area - 7,224 sq. ft.
Design Flow (Wastewater Only) - 16 mgd
Design Flow (Including used backwash water return) - 20 mgd
Filtration Rate (Average - Wastewater Only) - 1.84 gpm/sq.ft.
Filtration Rate (Average - Including used backwash water return) - 2.30 gpm/sq.ft.
Filtration Rate (Peak - Including used backwash water return) - 5.42 gpm/sq.ft.
Backwash Rate - 20 gpm/sq.ft.
Backwash Duration - 5 - 15 minutes
Backwash Frequency - normal 24 hours - minimum 12 hours
Backwash Water Storage Tank Capacity - 300.000 gallons
Used Backwash Water Holding Tank Capacity - 300.000 gallons
Comments: All filtration rates are computed on the basis of one pair.
of filters out of service.
BRILEY, WILD & ASSOCIATES
I .
1
Par,c Z6 o.f 34
DIsn:rr:CTIc:;
r-:cthod: Chlc:-ination.
x
Oth.:'r'
Number of cU,ol~inu:ors:
2
Type of cLlor.inators: Solution feed, vacuum type with flow proportional control
Total Cilpacity
Lbs /2 4 hrs
8000
Total Cap~city
Lbs/mg flow:
Present
Design 500
Point(s) of ap?lication: Contact chamber, filter influent. filter backwash water.
raw wastewater & grit chamber effluent.
AnS\-ler follm-:ing by checking "YES" or "NO":
YI::S HO
--
(x) ( ) a. Is a gas mask or other respiratory apparatus provided?
(x) ( ) 1>. Is chlori:1ator housed in separate room with door to outside only?
..
(x) ( ) c. Is ventilation provided?
(x) ( ) d. Is heating provided?
(X ) ( ) e. Are sCi1lcs provided?
(x ) ( ) f. Are adequate storage facilities provided?
Contact chv.::-:e,er:
No. of Tanks 2
Detention TiT:1e
min. @ present
15.2
min. @ design
Disposal of drainage:
returned to head of plant
Yes No
--
( ) (x) a. Are baffles prov'i-dcd?
0< ) ( ) b. Can cha::-::1(>r be drained?
( ) (x) c. ~lu~Gc l'e::oval pro\.ic.!ccl?
If di;.inf('C'tiNl is hy a Taethod other than chlor~nation, c>:rluin on sup?lC'l:1cnt:i'
~;ll('('t .
('01:::r'l~n t" :
~ength to width ratio of greater than 6~5 to 1 precludes the need
flnternlal baffling. Filtration prior to chlorination precludes the
or s ud e remova I rov i s i
for
need
!
.. ;:
0:
Type
No. of filte:rs:
Diamet~:.:'
Recirculation
A. Quantity
B . Quantity
Total
Hydraulic Lo~dings:
BODS Applied Se\i2;:;e
BODS Lo?ding
Filter Material: Size
Soundness test Sr~cified:
,
Distributor:
Type
Type seal:
'I
.
'0
J
Page 2]of 34
TRI Cr~L '!l~G FI L TERS
NOT APPLI CABLE
(~tandard or High Rate)
ft.; media depth
Average daily flow
mgd returned from
mgd returned from
llIgd
ppT:1
# / c":d day
Inches;
Availcble head on rotary distributor:
Provisions for flooding
Air Channels Adequate
Recirculating ru~;~s
Pump Ho. Type
Co:r.mcnts:
ft.; area
sg. ft,
mgd
to
to
mgd/acre
#iday
#/acre-f~
Kind
No. Arms
Capacity Rated Head Computed Head
r,pm ft. f1
gpm ft: f1
gpm ft. f.
[:pm ft. f
-. ~
"
:"
.
..
1
'I '
Pacu 2aof 34
WASTE STt.I3ILIZ:\TIO:: U..GOO~! SYST!::':
NOT APPLICABLE
Location
Pond is lo~atcd
feet from the ne2rest habitation.
Number of Pends
Operation: Serie3
Parallel
Either
Surface Area: #1
#2
#3
Total:
Acres
LoadiTl~:
Persons/Acre
#BODS/Acre/day
Grit Rewovdl R~quired
Screens Required
Depth: OptimumOperating
Ft. Maximur:1
Ft. Min irr.uTil
:-
Freeboard:
Ft.
Type of soil:
Top width of embankments
Ft.
Embankment S~opes: Inner
Horz.
1
Vert.
Outer
Horz.
1
Vert.
Depth of'Sut~ergencc of Inlet
Ft. Distance from B2.nk
Distance from Inlet to Outlet
Ft.
Drawoff Levels: Top
f-liddle:
Bottom:
What provisions have been ffi2.CC to fill the ponds
Answer the following 'vi th "YI:S" or "no":
( ), ( ) a. Are TOiultiple cells provided?
( ) ( ) b. kre warning sibns provided?
,.
( ) ( ) c. Are provisions made. to divert storm rt1noff?
( ) ( ) d. Is adequate cor.-:pac;tion specified?
( ) ( ) e. Is pond bottom level"! ;
( ) ( ) f, Is grassir.g specif~ed?
( );( ) g. Is in) ct line nenr center of circular pond or near the third roint
of rcct~n~ul~r pond?
( ) ( ) h. Docs inlet line have spla:.;h "d~
. p.- :)
. .
! ..'.- .,
.. -"
~
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
( ) ( )
CO:TIT!1cnts:
I
Par,e 29 of
i. 15 p~nd fenc~d?
j. I~ a botto:n d~ain provided?
k. Is an acces~ road provided?
l. Is e~osion protection prov~ded?
m. l~l'C provisior.s r::adc to r.,ew.sure flo~-.:?
n. Are provisions made for sa~pling?
o. Is uncontrolled overflc\o1 provided?
p. Is there pro~ision for effluent disinfection?
q. Are provisions for suspended soiids re:noval adequate?
..
- .
34
.:. ::
".
'.1.
.
'.
~
..
I
Page30 of 34
SL{;!::;:: DIGESTIC::
a. l:u.-:;~er of c iLesters : 12
h. Cu~ic feE"t/ca;::.ta (i: pr,;;:::e:::in2:1tly cO:7lestic se;.:age). 2.6
c. Cubic fee~/pop. equiv. (if a significant amount of industrial waste).
No industrial waste
d. Disposal c: supernatant: returned to influent to nitrification stage
e. Uethod of c071centrating solids: gravity thickener
Anaerobic di~estion: Not Applicable
a. Will diges~ers ~e heated? () Yes; ( ) No. If yes, fuel
b. Type of cover:
c. Disposal of excess gas:
d. Are pressill~e and vacu~~ relief valves provided? ( ) Yes; ( ) No.
e. What provisions are ~ade for sa~?lin8?
f. Is a ladder te reof Froviced?
g. Is an access hatch provided? () Yes; ( ) No.
h. Jlur..ber of drcH-c;f levels:
Acroblc c:~~s::on:
a. Diffused air s':stcn - volu:.:e of ail' provided Der 1000 cu. ft. of
di[,cstor voh.::-::c 56 scf~ per 1000 cu: ft. (maximum)
b. Mechanical aeration syste~ - po~er per 1000 cu. ft. of di~cstcr
volu::1c: Not App 1 i cab I.e
RcdrC''.1~::''.::(,;; Y'::-:,~ C'r Slu::::-c !':.:-::-::~s
N~}:.L'r
2
CC? tach
150
'rbt;;
. '.
Size Disch. Line
6
inch('~
Rat('d ~!c.:!~:;
19.5
ft.
Cc:,:;;-ut cd }! C'-II:]::;
19.5
ft.
C();a:;l~'n t ~; :
Volatile sol ids loading = 59 1b./day/1000 cu.ft. Hydraulic retention
.
time = 17 days.~"
-. .
Page 31 of 34
~'
I .
I
SLUDGE DISPOSAL NOT APPLICABLE - See
Supplemental Statement
Sludce D~~inK Beds
Total ~rea
; nu,,;~.er of beds
Arcu pcr capita: Present
sq. ft.
Design
sq. ft.
Filter media:
Gravel: Layer Depths
Sizes
Sand: Depth
inches
,. Freeboard Above Sand
Underdrains:
(1) Size (min. 4 inch):
(2) Spacing (max. 20 feet):
Sludge pipe size (min. 6 inch):
Ultimate disposal of sludge cycle:
Yes No
( ) ( ) a. Is drainage from beds returned to plant fo~ treatment?
( ) ( ) b. Are beds subject to flooding?
( ) ( ) c. Is CO:1crcte splash pad provided;.at inlet?
( ) ( ) d. Are bed wells and partitions of water tight masonry construction?
Vacuur.l Filters
Type of Sludge to be Handled:: Raw
Digested
Number of rilte~s
I'
Size
Capacity
Total Area
Chemical Treatment
Holdine Tank
Lat'.oons
.
Will r.l'ound~atC'~., be protected from contaminOltion?
Number of Laf,oons
1
s"
~
.
.....::,
f'
~ ..
'1.
Total Yol~~~ of Labcc~s
.
..
SLUDGE D~S?CSnL (cc~t.)
How will sl~dgc be dis?osed of?
Co:;,ment s :
t
.
,
..
I
PaGe 32 of 34
;.
l
,-' -~ ,j
;>'
..
.....
I.
Design Flo\'l
Average 16
Length
4200
ft.
Diffusc~~:
Diameter
Length
Hur.,ber of Forts
Recdving Hater Vcloci"ty
Salinity of ReceivinG Water
Tc~per3tur~ of Receiving Water
-re~?eratu!'''! or Efflue:1t
Area of Mixing Zone
OUTF/.LL
MGD
Diameter
4.5
,age 33 of'
ft.
ft.
ft.
ft/sec.
OF
TrLlpp'ing Level (\';ill Plume Reach Su!'facc) No
Dillution Ratio 2.58 to 1
Feca I
Calculated^Coli~cr~/lOO Till
Comments:
.67
34
1.0
~t. (overall length of diffuser section
200 ft.)
50
tidal
18,500
55 - 85
55 - 85
1,900,000 sq~ ft.
less than 50
l>
, t
.
....
l
OF
J'l
;~'fI,l..
I
I
Par:c 340f
34
..
",
LA90P~Tr~Y ~~CIL:7J~S
a. Will ~ tecting l~h~ratory b~ proviecd ~t the tre~t~ent plant
site? (x) 'fc~; ( ) :;0. If not) \-:i.E L-:~'O~',3tory f~lcilitje~; at
another lccatic:1 ll~ avail;)ble 2:1d utili;~~d f01' tldz proj.ect? ( )Yes; ( ) j.:
b. Floor sr.J::e in 12.~::.-r'atorJ':
865
sq. ft.
c. Labor--:to:':,- Hill ~:~ providl-'(l \.:i th (Ch'2C:~: if yes):
(X) \'7a t(~:.'" (x) Sink(s)
(x) Gas) f'.1€:!l (x) E;;;81'i,C: n c:y shower( s)
(. ) Oxyg-2n (x) i!catir.L;
(x) Co~.;'r~ssed z:ir (x) Air cO:1ditioning
(x) Vacm.liil (x) V~nti10ition
(X) Electric (x) Storage space
(x) Toilet (i n bui lding) (x) fire extinguishers
d. Check tests f01' \.:hich equiprr.ent \o:i11 be provided:
(x) Acidity
(x) hcics) volastile
(x) Al}:21 ini ty
(x) Chloride
(x) Chlorine) r~:::idual
(~) Chlorine, r~~uirement
( ) Deterger.'ts (Cis i::rect<3llts)
(x) Mi::roscooic examination
(x) Nitro~en, 2c~onla
(x) Nit~8;cn, ~~:ra~c
(x) JIi "tY'~bC;), :1:' ~:"'i-re
(x) l:i t~'o;..:n) o~L2nic
(X) J~i tro;en, -eotal
(X) Dissol....ed O:.::'T.en (DO)
(X) Bio(:;,'2:~,ico.l C:-:'. ,'.en
demi:lnd (?)))
ex) Chc::..: ci:ll c:~:; ben
derna:ld (CCD)
(x) pH
(x) Phosphate
( ) Relati ve ~tabi1i ty
(X) Residue on evaporation
(total solids)
(x:) Residue, to~al volatile
and fixed
(x) Residue, total suspc-nded
matter (nonfilterable
residue)
(x) Residue) volatile and
fixed suspended matter
(x) Residue, settleabl.e
matter (settlcabie solid~)
ex) Sludee, sl1:sr:.endeJ TI1zn-ter
(by centrifuge :T.etl1oc:)
ex) Sludge settleability
(s,l\:.dse volume:>)
ex) Sludge volume index
(x),Sludsc density index
ex) Slu~zc dE?:h ~~asurerr:ent
ex) S;)cci:-jc g:,.::.vity
ex) Sul:~ ide
(x) Tc~?crature .
ex) Slt::[C ana:!.:;~- :::;. rrir.ary
(x) Slu=~'? ilna.!.:.'.;:,,) SCCCr.dnl'Y
(x) Coli fO!'::1 D.J-::c:'icl
(x) GrE.i.!:=;~
~) Other turbidity, conductivity
CO:l::nen t" :