Item O16
BOARD OF COUNTY COMMISSIONERS
AGENDA ITEM SUMMARY
Meeting Date: May 15, 2002
Division:
SOCC
Sulk Item: Yes
No X
Department: District Five
AGENDA ITEM WORDING: Discussion item: Requesting that the FKAA request proposals
for a stand-alone wastewater system for Conch Key.
ITEM BACKGROUND: The Monroe County Sanitary Wastewater Master Plan recommends
installing a 30,000 gallon per day wastewater system on Conch Key. This system has a
$1,864,000 FEMA grant and would provide affordable wastewater for the people of Conch
Key. Legal challenges to Hawk's Cay/Duck Key could jeopardize the FEMA and State funding
for this project and the current proposal does not follow the Wastewater Master Plan (page
#ES-4).
PREVIOUS RELEVANT BOCC ACTION:
CONTRACT I AGREEMENT CHANGES:
STAFF RECOMMENDATIONS:
TOTAL COST:
BUDGETED: Yes
No
COST TO COUNTY:
REVENUE PRODUCING: Yes
No
AMOUNT PER MONTH
YR
APPROVED BY: County Atty _ OMS/Purchasing _
Risk Management
DIVISION DIRECTOR APPROVAL:
Murray E. Nelsonl Commissioner
DOCUMENTATION:
Included X
To Follow
Not ReqUired
DISPOSITION:
AGENDA ITEM #
t!J/1
Revised 2'27'0 I
INFORMATION SHEET
Conch Key has sufficient grant monies to build a stand-alone wastewater treatment
plant and pay for all collection systems, land costs, engineering, and design -
$1,8641285.
It also has enough EDU's to pay for all of its operating and maintenance costs and
provides a reasonable monthly charge.
Yearly operating and maintenance for a 30,000 gallon B.A.T. treatment plant
$60.055 OM = $368.43 yearly or $30.70 per month per EDU
163 EDU
A connection fee of $1,600 per EDU will provide $260,800 for payment to the County
match of $233,035.
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9. 12/21/01, Submittals and initial construction schedule not maintaining satisfactory
progress.
10. 01/14/02, major replacement of contractor's field representatives and project manager
by Felix Equities corporate office. Increased work crews and equipment.
11. 02/12,13,14/02, Rule development workshops specific to establishment of System
Development Charge for Little Venice and methodology of collection. SDC to be
established at $4,700 per EDU. Estimated average monthly service costs to be
established later by Rule making near end of construction. (estimated average: $50
per mo. inclusive of operation/maintenance costs of $29 and capital/debt related costs
of $21 )
12. 02/21/02, Proposed Little Venice Wastewater District Service Area, Wastewater
Improvements, Initial Assessment Resolution.
13. 03/06/02, Individual property owner notification of proposed assessed EDUs per
property.
14. 03/12,13,14/02, Three Public Hearings on additional wastewater rules and regulations
and establishment of System Development Charge for Little Venice.
15. 03/27/02, Public Hearing to Impose and Provide for Collection of Non Ad
Valorem Assessments in the Little Venice District Service Area. Per F.S. Chapter 197
and Chapter 120
16. 03/27/02, Construction status report. Installation of vacuum mains, vacuum valve pits
and service laterals 95-98th Streets, commencement of shallow injection well
installation, finalization of restoration of water main installation along U.S. I Hwy.
Progress increasing (currently about one month behind schedule)
17. 03/27/02, City of Marathon through the Monroe County Housing Authority is currently
qualifying very-low and low income property owners to receive financial assistance with
their system Development Charge and private property system abandonment/new
lateral services. Approximately $550,000 in funding from CDSG, SHIP and DCA
sources.
FEMA Assisted Wastewater Proiects
1. Conch Key (163 EDUs) Phase 1. Completed: project planning, site selection, evaluation
and appraisal, plant/system design, engineering.. ./
Current Funding: FEMA federal funds: $1,398,215 V
State match funds: $ 233,035
Local match funds: $ 233.035
Total: $1,864,285
Current actions pending per March 12, 2002 meeting with FEMA, DCA, Monroe County and
FKAA:
1) April 2002, SOCC resolution guaranteeing total FEMA required local match and
acknowledging acceptance of Conch Key wastewater flow at Hawk's Cay plant.
2) April/May 2002, Final selection of vacuum pump station site (primary/alternate)
3) May 2002 FKAA confirming resolution as to County's match fund commitment.
~i
Murray Nelson
From:
To:
Sent:
Attach:
''Rios, Gus" <Gus.Rios@dep.state.fI.us>
<boccdis5@mail,state.fI.us>
Monday, March 25, 2002 1 :56 PM
993 95costs.d oc; Oct9 8CH2M Hill Repo rt. tif; T echAssistance Docu men Uif;
Treatme ntp la ntC lass&Staff. ti f; M on ro eCty ope rators .doc
FW: Information request
Su bject:
> ---Original Message---
> From: Rios, Gus
> Sent: Monday, March 25, 2002 1 :39 PM
> To: 'bocceis5@mail.state.fl.us'
> Cc: Ahmadi, Abdul; Armstrong, John A. (Fort Myers)
> Subject: Information request
>
> <<99395costs.doc>> <<Oct98CH2MHiIIReporUif>>
> <<T echAssistanceDocumenUif>> <<Treatm entp lantClass&Staff. tif> >
> <<MonroeCtyoperators.doc>>
>
> Dear Commissioner Nelson:
>
> Attached please find information you requested regarding new wastewater
> treatment plants designed to meet the new criteria under Chapter 99-395,
> L.O.F. :
>
> 1. Operation costs for DEP-permitted wastewater treatment plants less than
> 100,000 GPO (package plants).
>
> 2. Operation requirements for these plants: staffing and monitoring.
>
> 3. List of local State-licensed operators.
>
> Please let me know if you have questions on the attached information. For
> questions on the Key West Resort Utility wastewater permit application,
> please contact John Armstrong, or Dr. Abdul Ahmadi, of our Fort Myers
> office at (941) 332-6975.
>
> Thanks, Gus
l'age 1 or 1
03/25/2002
"~
Operation Costs for new wastewater treatment plants
(designed to meet the requirements of Chapter 99-395, L.O.F.)
Ziggie's Conch Restaurant (permitted capacity: 6,000 GPD - or 0.006 MGD):
Construction including small collection system and installation of two injection wells and one monitoring well
$172,000
Operating costs, including field and lab analyses $925 per month
Additional costs, for chemicals, etc., $175 to $275 per month
Information provided by: John Cioffi, Owner
Waffle House (permitted capacity: 3,000 GPD):
Construction and installation, including a small collection system, two Class V injection wells, and one
monitoring well, but not including engineering fees $70,000
Information provided by: Gary Thomas, Maintenance and Facilities Supervisor, North Lake Foods, Inc.
Operating costs: field and lab analyses, chemicals, residuals hauling, and maintenance $17,850 per year
Information provided by: Ed Castle, Regional Manager, Synagro Southeast, Inc,
Islander Resort (permitted capacity: 65,000 GPD - currently requesting permit cap. reduction due to low
usage):
Construction (including 3 injection wells with trough, monitoring well and collection system): $416,351.00
Information provided by David Wood
Operating Costs: $20,400 per year-includes field and lab analyses, chemicals, and maintenance. Residuals
hauling not included.
Information provided by: Jim Hand, Hand Utilities, Inc.
Island Tiki Bar (permitted capacity 12,000 GPD) - costs not available yet.
Construction (including 3 injection wells with trough, monitoring well and collection system): $
Information to be provided by Gregg Chapman, owner
Opcrating Costs: $
John Pcnncl<amp Coral Recf State Park (pcrmitted capacity 14,000 GPD):
Construction: Initial construction: $1,006,340
Plant modifications: $52,0291
Operation costs for start-up $32,779 (for approximately six months)
Estimated costs for future modifications: $300,000
Information provided by FI'cd Hand, Engineer for DEP Recreation Sel"Vices
Operating Costs: Actual costs for the past year, February 2001 through January 2002 were $115,853. Of that
amount, $90,480 was for monthly operating service, $13,064 was for non-routine maintenance,
and $12,309 was for electric cost.
Note: costs includc construction and operation of wastewater reuse system (toilet flushing rccycle).
Information provided by: Daniel Jones, Park Manager
COSTS FOR SECONDARY TREATMENT PACKAGE PLANTS:':
F or comparison, annual operation and maintenance costs, including operator staffing, hauling of residuals,
chemicals, and testing is provided below, The plants are all small, secondary treatment extended aeration
package plants serving restaurants in Monroe County, .
i~
',.
Papa Joe's
Panda House
Pizza Hut-Marathon
Mangrove Mama's
.005 MGD
.005 MGD
,008 MGD
.0025 MGD
$8294
$8284
$8668
$10385
*Information provided by Debbie Brown of Synagro Southeast, Inc.
:,;j
l't VI e '. y n()Y"., ~~ O' U......<:( J' (^ffo1:j 1~.;I.M~""'..I'Yf"1.J--.('-=-I..Ft- I'n ' f...~ W.eQQ
C ~ .97- :1fJ; L.t? F. :.TI:CRNTCAL ASSISTANCE n6CUMENT f2<.i1t 'It, (sew CUll
Monitorin2:
Permitted Flow, pH,
Capacity Chlorine residual
2,000 up to ... 5,000 gpd Daily 5/wk
5,000 up to 50,000 gpd Daily S/wk
50,000 up to 500,000 gpd Daily Slwk
0.5 mgd up to 1.0 mgd Daily S/wk
1.0 mgd up to 5.0 mgd Continuous
5.0 mgd up to 15.0 mgd Continuous
15.0 mgd and above Continuous
* does not include upper number in range
TSS, CBODj,
~Nutricnts, Fecals
Monthly
Monthly
Every two weeks
Weekly
Weekly
Daily Slwk
Daily 7/wk
'* N~tri-t~t~ ..TP~
IN
Stnffin2:
Permitted Operator Time
Capacity Class Schedule
Less than 0.05 mgd C 112 hour/day, 5/wk, one weekend visit
0.05 mgd up to ... 0.1 mgd C 3 hours/day, Slwk, two weekend visits
0.1 mgd up to 0.5 mgd C 6 hours/day, 5/wk, two weekend visits
0.5 mgd up to 3.0 mgd C 16 hours/day, 7/wk, Chief operator must be B
3,0 mgd and above C 24 hours/day, 7/wk, Chief operator must be A
* docs not include upper number in range
Parameter MaxIMin
CBOD5 ... Max
T55 Max
Total N Max
Total P Max
Coliform Max
Rcsid. chlorine Min
* All units in milligrams per liter
DA T Emuent Limitations - plants less th:m 100,000 2pd
Effluent Limits
Annual Av Monthl Av . Weekl Avg. Single Sam Ie
10.0 12.5 15.0 20.0
10.0 12.5 15.0 20.0
10.0 12.5 15.0 20.0
1.0 1.25 1.5 2.0
[62-600.440(4)(c), f.A.C., basic disinfection]
0.5
A \VT Emuent Limitations - pl:1Tlts of 100,000 gpd or greater
Effluent Limits
Parameter Max!1\.1in Annual Av Month! Avg. Weekly Av . Ie
CBODj ... Max 5.0 6.25 7,5 10.0
TSS Max 5.0 6.25 7.5 10.0
Total N Max 3.0 3.75 4.5 6.0
Total P Max 1.0 1.25 1.5 2.0
Colifonn Max [62-600.440(4)(c), F.A.C., basic disinfection]
Resid. Chlorine Min 0.5
* All units in milligrams per liter
3
~ r
. ..... . r.5C.lb~f". 1'998 CIIZM IIi/! f!e!;Jff P.LH44(/;>/,
. , (CVD/tfi/ntT1. of /W~ ,(. fJw.,ffinv.:'i~d, *. .
l Tobie ES-2
Cost 01 Selected Altematives ~- SJ-1.-1c; I waste 8ier-rn!e"r~I2.t1Jflt:>:::,r-0LR.t
System 4,000 1 00,000
Configuration (qpd) (gpd) WJv!'1;J
1 MLE
V Construction Cost, $ $ 261,000 S 311,000 $ S 874,000 J-11
Annual O&M Cost, $/yr $ 30.400 $ 35,500 S $ 100,100
Uniform Annual Cost, Slyr S 53.200 S 62,600 S S 176,300
Present Worth, $ $ 609,700 $ 718.200 $ S 2.022,100
Unit COSI. $/1,000 gal S 61.8 S 29.1 $ $ 8,2
2 Four.Stage
Construclion Cost, S S 336.000 S 366,000 S 475,000 S 666,000 $ 968,000
Annual O&M Cost, SIy( $ 52,500 S 57,600 S . 73,800 S 95,900 S 132.300
Uniform Annual Cost, S/yt S 81,800 S 89,700 S 1 1 5,200 $ 154,000 S 216.700
Prescnl Worth, $ $ 938,200 S 1,028,700 S 1.321,500 $ 1,766,000 S 2.485,500
Unit Cos!. $11,000 gal S 95,0 S 41,7 S 21.4 $ 14.3 S 1.0.1
3 Three-Stage
Construction Cosl, $ $ 291,000 S 333,000 S. 441,000 S 827,000 S 913,000
Annual O&M Cost, Slyr $ 35,900 S 41,900 S 56,400 S 76,200 S 115,900
Uniform Annual Cost, Slyr $ 61,300 S 70JlOO $ 94,600 $ 130,900 $ 195,500
Present Worth, $ $ 702,800 S 813,600 $ 1.067,900 S 1 ,SOt ,000 $ 2,242,400
Unit Cost, $/1,000 gal $ 71.2 S 32.9 $ 17.6 S 12.2 $ 9,1
4 SBR
Construction Cost, S $ 336,000 S 381,000 S 482.000 S 697,000 $ 965,000
Annual O&M Cost, $Iyr $ 28,000 $ 34,too $ 49,100 $ 67,600 $ too,OOO
Uniform Annual Cost, Slyr S 57,300 $ 67.300 $ 91,100 S 128,400 $ 184,200
Present Worth, $ S 657,200 S n2,1oo S 1,045,200 $ 1,472.400 5 2.113,000
Unit Cost, $/1,000 gal S 66.5 $ 31.3 $ 16.9 $ 11.9 S 8.6
5 Intermittent Cycle
ConstNelion Cost. S $ 229,000 S 374,000 $ 584,000 S 861,000 $ 1,026,000
Annual O&M Cost, $lyr $ 28,000 S 34,100 S 49,100 S 67.600 $ 100,000
Uniform Annual Cost, $lyr $ 48,000 $ 66,700 S 100.000 $ 142,700 $ 189,400
Present Worth, $ $ 550,200 $ 765,100 S 1,147.200 S 1,636.400 $ 2,113,000
Unit Cost, $/1,000 gal $ 55.7 S 31.0 S 18.6 S 13.3 $ 8.8
6 MLE + Deep Bed Filtration
Construction Cost, $ $ 308,000 $ 366,000 $ 486,000 S 664,000 $ 958,000
Annual O&M COSI, Slyr $ 36,900 $ 42,700 $ 58,100 S 75,900 $ 111.400
Uniform Annuel Cost, Slyr S 63,800 S ' 74,800 $ 100,500 S 133,800 $ 194,900
Present Worth, $ $ 731,200 $ 857,800 $ 1,152,400 S 1,534,600 $ 2,235,800
Unit Cost, $/1,000 gal S 74,1 $ 34.7 $ 18.7 S 12.4 $ 9.1
7 Submerged B.lofllters
Construction Cosl, $ $ 247,000 $ 296.000 $ 450,000 S 847,000 See Note (1)
Annual O&M Cost, $Iyr S 19,500 $ 24,400 $ 41,100 $ 60.400 See Note (1)
Uniform Annual Cosl, $Iyr $ 41,000 S 50.200 $ 80.300 $ . 134.200 See Note (1)
Prosent Worth, S $ 470.700 S 575,900 S 921,400 S 1,539,800 See Nole (1)
Unit Cosl. $11,000 gal $ 47,6 $ 23.3 $ 14.9 S 12.5 Soe Note (1)
a RBCa
Construction Cost, $ $ 263,000 $ 342,000 $ 527,000 $ 860.000 $ 1,092,000
Annual O&M Cost, $Iyr $ 20,400 S 25,900 $ 43,400 $ 61,500 $ 89,400
Unitorm Annual Cost~ Slyr $ 43,300 S 55,700 S 89,300 S 137,200 S 184,600
Present Worth. S $ 497,000 S 639,100 S 1,024,800 ' S 1,573.400 $ 2.117,400
Unit Cost, $/1,000 gal $ 50.3 S 25.9 $ 16.6 S 12.7 $ 8.6
9 BO:Jetlno - Secondary Treatment
Construction Cost, $ $ 232,000 S 279,000 $ 373,000 $ 539,000 S 781,000
Annual O&M Cost, Slyr $ 22.400 S 27.000 S 40,000 $ 53,200 $ 79,600
Uniform Annual COSI. Slyr $ 42,600 S 51.300 $ 72,500 $ 100,200 S 147,700
Present Worth, $ $ 488,900 S 588,700 $ 831,800 $ 1,149,200 S 1,694:000
. Unit C091;S/1.0oogal :.' S . 49.5 S 2:).8 5 13.5 $ 9,3 S 6.9
Note:
(1) Exceeded manufaelurer's sires
'OF6I1287S~"
.'
~~,
U~'U6'_V~_ ..._~ 6~V~~UJ~V6J
...J"'rl.......I\W '.1....... ..,._.........l.-
-.__.4______._........_._....,...__
...----.-....-. ._..__~ .___u.____....____.
SYlfAGRO
89111 Ovene_ Hwy.
Tavernier n 33070
PhODe Number 305-882-5103
JI'ax Kumbez 305-852-5897
Tm
CAlWlli~~i~ner Murray D. ~elson
Fax Nwnber:
30S-8~2-7162
From:
David L. Evans
Date:
04-01-02
Subject:
Estimate for providing maintenance and report.bJ8 of
Package plants for 30,000 GPO, 60,000 GPD & 100.000 GPD
NmntJII of 'IlllOO 1
(Inc;ludiq ~ INIac)
Commissioner Nelson
I have enlarged the section with pricing and aI.io e-mailed the tile to your
office. I apologize for the small print. I hope you will be able to read this copy
Ifl can be of any further service please let me know.
I am hopping to attend the meeting tomorrow in Marathon.
I hope to see you there.
If I can answer any questions please call me at 305-731-4416
David L Evans
Project Manger
Middle Keys
Synagro
---......-------
-.... ,........_ .0__
" ...,1'..
- ~-'""--_._----_._._.-
w....water TfNtment Plant Annual O&M Coat Estimate
The foIcMcng ~.... UMd eo.....1he ~wAn Md ~ 00Ita fer the 11-..,_( eyM\_
lhaMt bebit; Fa- the 0.100 MOO pIent, ~ ~L.__ T'-'_i (AWl) Ita.d..~ wi. ~ mil For the
0.080 WQD Met the 0.030 MGD pina, s..t 111. ~~ T<<n~ (BAT) ....cs... be 1nIC. The ".....' NmCMII
MIl be ~ ~Iy ~ 8 ,liblftCllbllcMIID1tkaIb1.cyd&. The ~ IWnOloW -'II be lIlOtUlMd by
ctIeIiU ~r "kl... Bnuent fllbl'lltiYl*l b. ~ to rbOW fInIIllQkM,
~ dcIneIUc.... ~Wca wn"LmId to dIfIrmang "'lomq.1OIIdI production and cn.,....
U8Ilga n...... ~ to ~ ~ I_~ fb. ~ 0.100 MaD, O.OGO MOO Md O.O3O~, It II ...umed
.,.. .,. a.Iudge ~ be -~ dlgllt..J end,. be~ fA . VlO Monroe County Sludge T....,., 811ticn.
n. ... II .....". to be awtoaIlflI.aa..d to 2% aoIlda on a rky ___ ...
The FOEP ~ NqlA",-~ """,t1IIJJf\~1Ild frwn FN; auee wtIh the PfIra dIuIIed . CIIIgory I. ~
lib<< <all t-. bM'l ~ for """"'...a d the ~ aw. .~ Ind JU\1)..... Ifw:J for "'''w-'Cf ~..
1M i'WpIIh.
Estimated Annual Operating COlts for Treatment Plant and Collection Syatem
0.100 MOD 0.010 MOD 0.030 MOD
Operation and Maintenan 565,060 539,190 $20,125
Repair PartB $8.000 $7,800 $3,600
UtiUtiea $23.040 114.400 $7,080
Chemicals $22,470 $13,465 $8,740
Sludge Disposal $75,025 f46,016 fiil~W
T oba. AnnUlI' Coat
$114,595 $119,890 $80,05&
;~
U4/UJ/LUUL ~~.4~ ~U~Ob4L4~~
W.LI'iL)<( u....., '"LU"tD.J..I'tl,,)
I ,..........l- U.J..
WINOY DA Y PLUlllJINQ COMPANY
'Ztlt1 OVERSEA$ WHY IJ:U.t<<JRADA. FL. 3:103t
...",. l' FItItJ*'tIo IMntmock 1td.
laMntanICfe. R U03I
30tS .,1 Rtn
~1""
FAX 884-2455
VISIT OUR WEB SITE
windydaypfumbing.com
FAX TRANSMITTAL
DATE: 4-S-m
TO: MONROE COUNTY COMMtSSION
A TIN: COMMISSIONER NELSON
RE: CONCH KEY
FAX#: 852-7162
PAGES induding cover Sheet
NOTES: HERE IS NUMBER THAT WE FEEL WE CAN WORK WITH. TliANK YOU SO MUCH FOR
TRUSTING IN OUR COMPANY AND ASKING US FOR OUR HELP.
PS. STILL WORKING ON TI-lE VACUUM SYSTEM
THANK YOU
SINCERELY
CHRIS HOPE
U~/U~/LUU~ ~~.~~
_H..J~UU~Ll-f.J~
V'w'..&.liU, ............1 I L..'-".'L.J~11U
WfM)V DA Y PLlMIJlNI.: COMPANY
1. FIIIInlIlflO HeIf8Of1l( Rd.
,..,,,,..., R J30H
30IS eS4 flTOf
FAX tHH-atR
www.deyplu....*.tl.com
PROPOSAl-
Date: 4-5-02
Submitted To: Monroe County Commission
Attn: Commissioner Nelson
RE: Sewage CoIection system & TrMb,~ Plant
VVlndy Cay Plumbing wtII provide a sewer syatem for 102 homes and commerdal properties at the
Conch Key ViUage on the Bay. WOP wlll supply each property with 1 new grade .vel dean out located on
the &Creet aide at eech property line.
W. will supply you with a SChedule fOr start up and completion of each phase or construction and for the
sewer plant
WOP wtfI route gravity .....". the moat economicat way possible.
.) paving one inch thick over new tnKlch8s only
b) eledl ic8I for 11ft stBtions
c) sewer main's to the ptant lift IIt8tion
Collection sptwn price. ( gnavity )
s.w.r Plant
$ 400,000.00
$ 332.413.00
Separate contrac;t witt 88d1 hOme owner, will be required for the foHoMng tt8ms.
a) MptJc abllndonment
b) any pkJrnbing required to tie into new sewer main from home or business
c) any plumbing required for reloCdUng or skJevtng potBbte water lines
d) any other IMdscaping fwDlg eCc .
We heIGby propose to fUmiah 18bor and mllterials - complete in accordmce wtth the above
apeciflc.atioM, for the sum of Seven Hundred ThIrty Two Thousand Four Hundred Thirteen dollars
($ 732,413.00 ) with payment to be made _ follows:
SUBMITTED UPON ACCEPTANCE
All metanal is guaranteed to be aa spedfied. AI work to be completed in a workmanlike manner accordInO to
standard practices. Any aIter8tion or deviation from abOve specifications involving extra costs, will be
executed only upon wriIt8n orders. And will become an extra charge over and above the estimate. AU
agreements contingent upon atrtkeI. acdd8nta or delays beyond our control. This proposal subject to
8CC8ptance within 60 days and I. void 1here8ftet .. the option of the undertigned.
AuthorWKI S6gnatu19
Ma~ 02 02 03:41p
aq/30/2002 11:41
31'l52B'3231Q
FOCP-MARATHON
p.2
PAGE 01/03
Florida Department of Environmental Protection
Marathon Office
2796 Ove.rseas Hi9hway
5uite ZZ1
Marathon, FL 33050
FAX
DOTe:
4/30/02
Page.s 1I"1c1uding cover Shed:
3
To; Murray Nelson From: Connie Robertson
MC Commissioner Administrative Secrucry
for Gu~ RioS
Phone.: SC Ph one; (305) 289-2310 SC 4642310
Fax: 30~-8~2-7162 .sc. Fax phone: CWo) <!tslJ-2314 SC 464--2314
CC:
REMAR.KS:
o Urgent
r8J for your review 0 Re.ply ASAP
o Please comment
In response. to your conversation with Gus Rios yesterday regarding Hawks Cay, the follOWIng IS forwarded:
The. current three. month average dmly flow (January, february, March 2002) " O.lOlmga.
I Pe.rmitted capacity of the faclhty = 0196mgd based on TMADF (three month average deity flow), therefore,
the facility is cur,.ently op",.nting ot ~21o of capacity,
The two pages to follow are the October 25. 2001 letter from The Weller !:ngineering Corporation as
u.;;cu:;:;c:d YC:5terday. Qnd the. front poge of +he facility':; curront perm.t o><pla;n'"9 th.. tr....t",..nt and
dIsposal systems.
Please contact e.lthe.r me or Nancy Brook,nq If you need l1ddltloncllnformatlon.
qus (j{jOS
Ma~ 02 02 03:42p
U413D/2fl~2 11:41
3652892314
FDEP-MARATH:lN
p.3
PAGE IB/El3
THE WEILER ENGINEERING
CORPORATION
.....C()py'..
"Exa/lrnce In Engineenng'
20020 Veterans Blvd., Suire 7-9
Pore Charlorre, FL 33954
(941) 7G4.6447 ph
(941) 764-8915 f""
October 25, 2001
Mr, Gus Rios
Environme ntal Administrator
Florida Dep~ent of EnviTonmeotaj Protection
2796 OversC3s Highway, Suire 221
Marathon, r-L ::3050
Re: Duck Key Wastcwater Coop. WWTF, FLAOI4772 ~ Via Fax and Cemfi,ed Mail
WEe Project No. 01115.001
;)"d. ~,~, r.i;JS:
The Florida Keys Aqueduct Authority has requested thatwecontinn, with theFDEP,.thar the Duck: Key .
\V~t&waler Coop. Wutewaler TrU_llnC &eili~hA.Ce:lplleicy 10 cOftftect4' "Ilicl.a.tilll Wli~ frOal the
Villages at Hawk's Cay and 103 residcntial UDi~ from Conch Key to the treatment facility.. .
The 1'londa K.eys AquedUct AulhOriry speeirteSrbat Wl15tcwatCr treaD'nent plant ~apacityCaltulanons be
based on 167 gallon per day per unit. Based on 167 gallon per day per W1i~ increased.wasteWaler flow
from the addition of 46 Village at Hawk'~ Cay. residential units and 103 Conch Key resideilOal units is
estimated to be 24,900 gallons per day, ,.. .< ,. . : ..': , :
,.
The permined c:lpaclty of tho Dw-k KAy Wa~tP~ter Coop \IIutewlIt..r trf'lItm"nt f~rilityi\:O 196 M..n
three-month average tWIt flow. The existing most recent annual average daily flow is 0.071 MGD, We
peakmoorhly average flow is 0.117 MGD udthe peak threc-month aYenge daily flow is 0104 MqD .
(design flow). The addJrlon Or4~.VUlaBe.at:HawlC's Cay residential l1IIib and 103 Cool;h Key rClliUl:Ulilll
unitS will increase the Duck Key WtI$c....,asei-'Coop wasteWater treatment facility oesign flow to
approximately 0.129 MGD or 66% permittcd' capacily. .' ,
Although not typical in the design of the facility, it is apparent that even at the pe~ daily flow cto 155
M(jD (not design) (Dr lasr year. and conservative HRS Oows of200 GPD per hotel corrage (46) aDd 300
GPD per rl"sid..nel' (101) rhl! mc:ilitywill not exc:eed the design capacity.
1'1"lulI.ll....y c61~u\II.'ioll!> em me 149 <ldditi~l Je!>idcntilll 'onne'tio~, bll$ed On 16'1 gaUoru per d;lY p~
unit as provided by the Florida Ke'yAqueduct Authonl)'. will wcrease wastewater flows. butl:ot ex,eed !be
facility pennitted clI.Pilcity.
Please feel free to COlltact me to discuss the impilcts of adding 149 additional residential units to the Duck: .
Key W~lew8cer Coop:'Wastewat.er lTeallDcnl fiICilitv.
;\.,,':
~ I . "
R. Je Weiler, P.E.
President
Th.. W...;I..r Engineeril!g Corpo!'3tion
. ,,",',.
Cc
M,. Nunl WiJu4Im - M".l.l\)~ CVlUd1 CVWUli.3SI,:mer
Mr. Priwn Singh
Mr. Me! Rienban - FDEP - Folt Myers
Ms. Nancy Broo~ - FDEP - Marathon
Ms'. Elizabeth 19noffu, EI - WEe - Key West
RECE'VE~
NOV 0 2 2001
D.E.P. Malathon