Key Largo Wastewater Treatment District
Estimate of Costs and Revenues
Manatee Bay / Monroe Park
Estimate of Assessment Revenue Based on Potential Minimum Usage
Development Name
Manatee Bay Marine
Pirate Hat Marina
Pelican Cay Harbor Marina
MM 112 Marina/ Cross Key Marina
Manatee Cove
SFR
Non-Res Marina - 300 Morris
Manatee Bay Condo Club
Service Address
99 Morris Ave
199 Morris Ave
299 Morris Ave
599 Morris Ave
999 Morris Ave
Morris / Hazel
300 Morris Ave
100 Morris Lane
AK
RE
1709905
00573090-000000
1709654
00572820-000000
1709662
00572830-000000
1709671
00572840-000000
Multiple (41)
Multiple (19)*
1709891
00573080-000000
9035038
00573100-000100
Totals
Assessed
Anticipated Assmt Revenue
Connections
to Gravity
System
1
1
1
1
1
11
1
1
18
$2,500.00
$45,000.00
EDUs based on
Total per Parcel Total per Parcel
Potential Minimum Without Location With Location
Usage
Add-on**
Add-on
1
$5,770.00
$10,194.78
1
$5,770.00
$10,194.78
3.2
$12,964.00
$27,123.29
6.6
$24,082.00
$53,285.54
18.4
$1,528.49
$5,953.27
11.0
$5,770.00
$10,194.78
1.0
$5,770.00
$10,194.78
3.0
$12,310.00
$25,584.34
45.2
$3,270.00
$5,770.00
$10,194.78
$192,804.00
$392,804.00
$147,804.00
* SFR - There are 9 single family residence without an approved onsite system.
Total Project Costs and Funding Sources
Total Project Funding Sources
Base Assessments
Location Assessment Add-On
$192,804.00
200,000.00
$
Total Project Costs
Total Construction Cost
Design and Permitting
Construction Phase Engineering Services
Property Acquisition**
392,804.00
$1,635,630.00
73,603.35
89,959.65
200,000.00
$1,999,193.00
Outstanding Project Costs (Cash On-Hand, Grants, Other)
** Assumes property cost of $200,000
-$1,606,389.00
Key Largo Wastewater Treatment District
Estimate of Costs and Revenues
Manatee Bay / Monroe Park
Estimate of Annual Billing Revenues Based on Potential Minimum Usage
Development Name
Manatee Bay Marine
Pirate Hat Marina
Pelican Cay Harbor Marina
MM 112 Marina/ Cross Key Marina
Manatee Cove
SFR
Non-Res Marina - 300 Morris
Manatee Bay Condo Club
Service Address
99 Morris Ave
199 Morris Ave
299 Morris Ave
599 Morris Ave
999 Morris Ave
Morris / Hazel
300 Morris Ave
100 Morris Lane
AK
RE
1709905
00573090-000000
1709654
00572820-000000
1709662
00572830-000000
1709671
00572840-000000
Multiple (41)
Multiple (11)
1709891
00573080-000000
9035038
00573100-000100
Totals
Billed Monthly
Anticipated Billing Revenue (Monthly)
Anticipated Billing Revenue (Annually)
Estimated
Monthly Flow
3
2
16
33
93
56
2
15
220
$5.27
$1,159.40
$13,912.80
EDUs based on
Potential Minimum
Usage
1
1
3.2
6.6
18.4
11.0
1
3.0
45.2
$33.60
$1,518.72
$18,224.64
Total Anticipated Annual Revenues and Operating Costs
Anticipated Annual Revenues
Base Units (@ 33.60)
43.1 EDUs Billed
Flow Charges (@ 5.27)
149k Gallons / Month
$18,224.64
13,912.80
$32,137.44
Anticipated Annual Operational Costs
Total Plant Operations
Solids Operations
Collection System Operations
$92,141.12
41,144.38
27,027.15
$160,312.65
Total Anticipated Annual Net Gain / Loss
-$128,175.21
Estimated
Monthly Bill
$
49.41
$
44.14
$
191.84
$
395.67
$
27.03
$
60.43
$
44.14
$
179.85
$2,678.12
$32,137.44
Monroe Park Gravity System and BAT WWTP vs Pump to KLWTD Cost Estimate
#
1a
Description
QTY
Unit
8" Gravity Main in Public R/W 2,220 LF
8" Gravity Main in Manatee
1b Bay Club Condo
2,152 LF
8" Gravity Main in Manatee
1c Cove Condo
846 LF
8" Gravity Main in Pirate Hat
1d Marina Condo
318 LF
Standard Manholes in Public
2a R/W
11 EA
Standard Manholes in
2b Manatee Bay Club Condo
14 EA
Standard Manholes in
2c Manatee Cove Condo
5 EA
Standard Manholes in Pirate
2d Hat Marina Condo
1 EA
3a 6' Laterals in Public R/W
725 LF
6" Laterals in Manatee Bay
3b Club Condo
1,000 LF
6" Laterals in Manatee Cove
3c Condo
345 LF
6" Laterals in Pirate Hat
3d Condo
400 LF
Cleanout Assemblies in
4a Public R/W
27 EA
Cleanout Assemblies in
4b Manatee Club Condo
95 EA
Cleanout Assemblies in
4c Manatee Cove Condo
39 EA
Cleanout Assemblies in Pirate
4d Hat Marina Condo
8 EA
6' Diameter Duplex Lift
5a Station, Low Pressure
1 EA
6' Diameter Duplex Lift
5b Station, High Pressure
1 EA
6a 4" Force Main in Park
50 LF
6b 6" Force Main, US 1
32,660 LF
6c 6" HDD Channel Crossings
965 LF
7 30,000 GPD BAT WWTP
1 LS
Asphalt Patching in Public
8a R/W
1,233 SY
Asphalt Patching in Manatee
8b Bay Club Condo
85 SY
Asphalt Patching in Manatee
8c Cove Condo
470 SY
Asphalt Patching in Pirate Hat
8d Marina Condo
0 SY
8e US 1 Asphalt Patch
2,041 SY
9 Startup, spares & tools
1 LOT
Liftstation and WWTP Land
10 Acquisition
1 EA
Unit Cost
$85.00
Total W/O
Going into
Condos
Pump to KLWTD
$188,700.00
$188,700.00
$71,500.00
$71,500.00
$43,500.00
$43,500.00
$13,500.00
$13,500.00
$85.00
$85.00
$85.00
$6,500.00
$6,500.00
$6,500.00
$6,500.00
$60.00
$60.00
$60.00
$60.00
$500.00
$500.00
$500.00
$500.00
$250,000.00
$250,000.00
$300,000.00
$65.00
$100.00
$150.00
$852,025.00
$852,025.00
$35.00
$43,155.00
$43,155.00
$35.00
$65.00
$20,000.00
$20,000.00
$132,681.25
$10,000.00
$150,000.00
$150,000.00
$3,250.00
$300,000.00
$3,250.00
$3,266,000.00
$144,750.00
$35.00
$35.00
Total Construction Cost $1,635,630.00
Design and Permitting
Construction Phase Engineering Services
$4,217,036.25
$73,603.35
$89,959.65
$189,766.63
$231,936.99
Project Total $1,799,193.00
$4,638,739.88
30,000 GPD WWTP Estimate
Item No.
1
1a
1b
1c
1d
2
2a
2b
2c
2d
2e
2f
2g
2h
2I
3
3a
3b
3c
3d
4
4a
4b
4c
4d
4e
4f
5
5a
5b
5c
5d
5e
5f
Description
WWTP
Foundation piles, 50'
Foundation Slab, 80' X 20'
Purchase and Field Erection of .03 MGD
WWTP (estimate for RWL Water)
Field coating of RWL WWTP
Elevated Equipment Pad
Foundation Piles, 25'
Sub-grade concrete load-spread pad, 12' X
8'
Elevated concrete platform, 12' X 8'
Equipment pads
Concrete landing for stairs
Handrails
Stairs
Mount Blowers
Mount Control Panels, Disconnects
Electrical
Power pole and pole-mount transformer
New 208V 3Φ electrid meter box and
disconnect
Conduit and wiring to elevated equipment
pad
Conduit and wiring to WWTP
Chemical Feed System
Foundation Piles, 25'
Foundation slab, 15' X 15'
Chemical storage tanks with containment
(Dumont provides free tanks)
Peristaltic chemical feed dual pump skids
Plumbing of chem tanks to skid
Pluming from chem skids to tanks
General
Demolition and removal of existing WWTP
and equipmenet
Clearing, grubbing and soils prep
Grading for drainage and retention area
Restoration
Bonds & Insurance
Mobilization
Units
Qty
EA
SY
27
178
LS
LS
1
1
EA
6
SY
SY
SY
SY
LF
LS
LS
LS
Unit Cost
$2,500.00
$450.00
Total Cost
$67,500.00
$80,100.00
$400,000.00 $400,000.00
$65,000.00 $65,000.00
Subtotal WWTP $612,600.00
$1,500.00
$9,000.00
11
$350.00
11
$450.00
6
$150.00
2
$350.00
55
$25.00
1
$2,500.00
1
$4,500.00
1
$4,500.00
Subtotal Equipment Pad
$3,850.00
$4,950.00
$900.00
$700.00
$1,375.00
$2,500.00
$4,500.00
$4,500.00
$32,275.00
LS
1
$7,500.00
$7,500.00
LS
1
$5,000.00
$5,000.00
LS
LS
1
1
$12,500.00
$12,500.00
Subtotal Electrical
$12,500.00
$12,500.00
$37,500.00
EA
SY
6
25
$1,500.00
$450.00
$9,000.00
$11,250.00
EA
4
$0.00
EA
2
$5,200.00
EA
4
$1,500.00
LS
1
$5,000.00
Subtotal Chemical Feed System
$0.00
$10,400.00
$6,000.00
$5,000.00
$41,650.00
LS
LS
LS
LS
LS
LS
1
1
1
1
1
1
$50,000.00 $50,000.00
$5,000.00
$5,000.00
$15,000.00 $15,000.00
$5,000.00
$5,000.00
$18,000.00 $18,000.00
$35,000.00 $35,000.00
Subtotal General $128,000.00
Project Total $852,025.00
Monroe Park BAT Cost Estimates
DIRECT COSTS SUMMARY
Design Flow, MGD =
0.03
Treatment Plant Operations
Labor
Benefits
Overtime
Office Supplies
Operating Supplies
Postage & Freight
Telephone
In-house Lab
Outside Services
Water
Electricity
Chemicals
Vehicle Expense
Repair Parts
$37,726.00
$14,457.42
$8,400.60
$2,500.00
$5,000.00
$0.00
$1,200.00
$6,546.00
$2,880.00
$600.00
$13,587.95
$12,123.13
$335.17
$10,000.00
Solids Operations
Labor
Benefits
Overtime
Contract Hauling
Outside Services
Chemicals
Vehicle Expense
Repair Parts
$0.00
$0.00
$0.00
$33,123.75
$0.00
$0.00
$0.00
$2,500.00
Collection System Operations
Labor
Overtime
Benefits
Electricity
Chemicals
Vehicle Expense
Repair Parts
$18,200.00
$4,095.00
$6,527.61
$1,358.79
$0.00
$2,357.50
$7,500.00
Total Annual O&M Cost
$191,018.91