CN-370000-HW683-DC02FCO1.pdf
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- HW683
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- Florida
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Funding Information:
Org. Code E.O.
Object Code
Budget Entity Appropriation
Category Grant # Project # Year Amount
Additional Funding Information attached on separate page.
Rev. 8/17/2020
STATE OF FLORIDA
DEPARTMENT OF ENVIRONMENTAL PROTECTION
Task Assignment Change Order This Change Order is entered into between the Parties named below and amends the Task Assignment (TA) and any previous TA Change Orders (TACO) as follows:
1. TA Number: TACO Number: Contract Number:
TACO Description:
2. Parties State of Florida Department of Environmental Protection (Department)
Department’s Project Manager: Department’s Project Manager Phone:
Contractor Name: (Contractor ) ntractor’st ’s Project Manager: ontractor’s t’s Project Manager Phone:
3. Project Number:
(If different from TA Number)
Project Name:
4. There are no changes to the TA compensation.
The compensation of the TA is changed to the amounts indicated below:
Amended Price Price Prior to TACO
Fixed Price:
Fixed Unit Rate: (Extended Price)
Cost Reimbursement:
Total TA Value:
There are no changes to the TA Expiration Date.
The TA Completion Date is changed from ______________ to ______________ (a total of ______ days).
6. There are no changes to the Attachments.
Attachment ___ is replaced with Attachment -____.
7. No Additional Changes.
Additional Changes:
8. All other terms and conditions of the TA remain in effect. If and to the extent that any inconsistencies may appear between the TA and this TACO, the provisions of this TACO shall control.
IN WITNESS WHEREOF, this TACO shall be effective on the last date signed below.
State of Florida Department of Environmental Protection
CONTRACTOR Department
Name:
Title: Secretary or Designee
(Authorized Signature) (Authorized Signature)
Date:
Additional signatures attached on separate page.
DC002F 1 HW683
Sarah Aduwa 850-245-8973 Geosyntec
Nick Barnes 813-379-4388
ERIC 5222
Colonial Drycleaners/Touch of Class Drycleaners
$ 59,779.55 $ 61,067.78
$ 4,200.00 $ 4,200.00
$ 63,979.55 $ 65,267.78
02/26/2027 02/26/2027 0
1 1
Geosyntec
Todd Kafka
Contract Manager
Todd K. Kafka, PG (FL) Digitally signed by Todd K. Kafka, PG (FL) Date: 2025.12.15 13:37:33 -05'00'
Jennifer Farrell
Digitally signed by Jennifer Farrell Date: 2025.12.14 10:55:18 -05'00'
Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment
Contract Number:
Task Assignment #:
Deliverables:
Deliverable Deliverable Due Date
Invoice Schedule:
Requirements for Invoice Submittal Amount to be Invoiced
TOTAL COST
To: HW683 Contract Negotiation File Colonial Drycleaners/Touch of Class Drycleaners Greenacres, Palm Beach County
ERIC_5222
From: Sarah Aduwa, Project Manager Date: December 9, 2025 Subject: Negotiation Summary
HW683_DC002F-1
This Task Assignment Change Orders authorizes a cost decrease in accordance with Geosyntec scope of work, cost estimate and schedule received on November 21, 2025.
Total cost decrease is $1,288.22.
Subtask 2 TACO-1: One groundwater monitoring well (MW008) could not be accessed, and the costs (labor and analytical costs) associated with sampling this monitoring well are removed. The groundwater sampling activities were completed in one day rather than two days, so expenses are reduced. A change in staffing for the groundwater sampling portion of the scope was conducted based on availability, which also reduced labor costs.
The FDEP Project Manager agrees to the scope of work and final cost associated with this Task Assignment. The final cost is $63,979.55 with 309 labor hours.
LEVEL OF EFFORT/EXPENSE WORKSHEET
SITE : Colonial Touch of Class Cleaners SUBTASK: System Restart and GW Sampling
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
STAFF-TITLE WORK DESCRIPTION HOURS
Principal T. Kafka 2
Senior Professional M. Hensley 3
Project Professional N. Barnes 24
Senior Staff Professional R. Temple
Staff Professional E. Carmona
Drafter/CADD Operator
Administrative Assistant
TOTAL LABOR 50
VEHICLE TYPE RATE UNIT USEAGE
Truck $120.00 Day 3 $360.00 Subtotal $360.00
TOTAL VEHICLE $360.00
PER DIEM STAFF RATE UNIT USEAGE
N. Barnes Per Diem $36.00 Day 1 $36.00 N. Barnes Hotel $140.00 Day 1 $140.00
TOTAL PER DIEM $176.00
SUBCONTRACTOR COSTS
NAME PURPOSE COST
Utilities PRM Filtration Telemetry Service Telemetry Costs (annual) $1,350.00 $1,350.00
$0.00 $0.00 Subtotal $1,350.00
TOTAL SUB $1,350.00
LABORATORY COSTS
PARAMETER RATE # SAMPLES #QAQC
TO-15 Influent, VEW003, VEW004 $200.00 3 0 $600.00 VOHs MW Samples $73.00 6 0 $438.00 TCLP VOCs GAC $210.00 1 0 $210.00 TCLP RCRA 8 Meta GAC $135.00 1 0 $135.00 Shipping
Large Cooler (25 to 50 lbs) $150.00 2 $300.00 Subtotal $300.00
TOTAL LAB $1,683.00
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
Analytical Related Groundwater Sampling Kit $290.00 Day 1 $290.00 Air Sampling Canister (Summa) $33.00 Each 3 $99.00
Subtotal $389.00 IDW Related
Drum (GW Sampling Purge Water) $100.00 Drum 1 $100.00
Subtotal $100.00 Expendables
$40.00 Day 2 $80.00 Subtotal $80.00
Other O&M Kit $360.00 day 1 $360.00 O&M Supplies $75.00 day 1 $75.00 Air Velocity Meter $33.00 day 1 $33.00
$0.00 Subtotal $468.00
TOTAL EQUIPMENT $1,037.00
System restart data and groundwater sampling data interpretation and path forward recommendations.
Generate groundwater elevation contour map, groundwater quality figure, generate ROI figure (3 hrs)
Mobe/Demobe (2 hr/day x 1 day = 2 hrs), SVE system restart troubleshooting/O&M assistance (4 hrs)
Field preparation (1 hr), Mobe/Demobe (2 hr/day x 1 days = 2 hrs), Equipment calibration (0.5 hr/day x 1 days = 0.5 hr), Groundwater sample collection (6 wells x 1.5 hrs/well =9 hrs), S Field notes (0.5 hrs), IDW & Sample Management (2 hrs)
Property/tenant owner notification for system restart and GW sampling events (1 hr).
Mobilization/demobilization for system restart (8 hrs). System restart and O&M event with technical support, system troubleshooting, and ROI test (10 hrs). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr).Prepare system restart and groundwater sampling field deliverable for FDEP (4 hr).
12/9/2025 Page 3 of 8 Subtask 2
SUBTASK: Months 1- 3 O&M
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
STAFF-TITLE WORK DESCRIPTION HOURS
Principal
T. Kafka 2
Senior Professional
M. Hensley 2
Project Professional
N. Barnes
Senior Staff Professional
R. Temple 37
TOTAL LABOR 48
VEHICLE TYPE RATE UNIT USEAGE
Truck $120.00 Day 3 $360.00
Subtotal $360.00
TOTAL VEHICLE $360.00
LABORATORY COSTS
PARAMETER RATE # SAMPLES #QAQC
TO-15 Influent $200.00 1 0 $200.00
Subtotal $200.00
Shipping
Large Cooler (25 to 50 lbs) $150.00 $0.00
Small Cooler (0 to 25 lbs) $110.00 1 $110.00
Subtotal $110.00
TOTAL LAB $310.00
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
Analytical Related
Water Level Meter $25.00 Day 3 $75.00
Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00
Subtotal $108.00
IDW Related
Drum $100.00 Drum 0 $0.00
Subtotal $0.00
Expendables
$40.00 Day 3 $120.00
Subtotal $120.00
Other
O&M Kit $360.00 day 3 $1,080.00
O&M Supplies $75.00 day 3 $225.00
Air Velocity Meter $33.00 day 3 $99.00
Subtotal $1,404.00
TOTAL EQUIPMENT $1,632.00
Data interpretation and path forward recommendations
ROI/Potentiometric Figures preparation
Property owner notification for each O&M event (1 hr). O&M event technical support and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).
Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr). Update O&M progress report tables (2 hr/event = 6 h) and vapor sample shipping (1 hr); Prepare field O&M reports to FDEP (2 hr/event x 3 events = 6 hr).
12/9/2025 Page 4 of 8 Subtask 3
SUBTASK: Months 4-6 O&M and Reporting
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
STAFF-TITLE WORK DESCRIPTION HOURS
Principal T. Kafka 2
Senior Professional M. Hensley 3
Project Professional N. Barnes
Senior Staff Professional R. Temple
Administrative Assistant R. Resinger 1
TOTAL LABOR 63
VEHICLE TYPE RATE UNIT USEAGE
Truck $120.00 Day 3 $360.00 Subtotal $360.00
TOTAL VEHICLE $360.00
SUBCONTRACTOR COSTS
NAME PURPOSE COST
IDW
Erwin Remediation PFAS Profiling Fee (new disposal facility) $350.00 $350.00 Erwin Remedation Drum Disposal (PFAS-Impacted - $195/drum $195.00 $195.00 Erwin Remedation Vapor Phase GAC Disposal $110.00 $110.00
Subtotal $655.00
TOTAL SUB $655.00
LABORATORY COSTS
PARAMETER RATE # SAMPLES #QAQC
TO-15 Influent $200.00 1 0 $200.00 VOHs IDW $73.00 1 0 $73.00
Subtotal $273.00 Shipping
Large Cooler (25 to 50 lbs) $150.00 1 $150.00 Small Cooler (0 to 25 lbs) $110.00 1 $110.00
Subtotal $260.00
TOTAL LAB $533.00
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
Analytical Related Groundwater Sampling Kit $290.00 Day 0 $0.00 Water Level Meter $25.00 Day 3 $75.00 Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00
Subtotal $108.00 IDW Related
Drum (MS Contents) $100.00 Drum 1 $100.00 Subtotal $100.00
Expendables $40.00 Day 3 $120.00
Subtotal $120.00
Other O&M Kit $360.00 day 3 $1,080.00 O&M Supplies $75.00 day 3 $225.00 Air Velocity Meter $33.00 day 3 $99.00 Air Flow Meter $33.00 day $0.00
Subtotal $1,404.00
TOTAL EQUIPMENT $1,732.00
Format and complile report. PDF preparation/creation.
Semi-Annual O&M Report and path forward recommendations
Figure preparation for Semi-annual O&M Report (ROI, GW Elevation, GW Analytical)
Property owner notification for each O&M event ( 1 hr). O&M event technical support and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).Prepare Semi-Annual O&M Report and PE Certification (8 hr)
Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr). Update O&M progress report tables (2 hrs); .Prepare Semi-Annual O&M Report (16 hr)
12/9/2025 Page 5 of 8 Subtask 4
SUBTASK: Months 7-9 O&M
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
STAFF-TITLE WORK DESCRIPTION HOURS
Principal
T. Kafka 2
Senior Professional
M. Hensley 2
Project Professional
N. Barnes 7
Senior Staff Professional
R. Temple 37
TOTAL LABOR 48
VEHICLE TYPE RATE UNIT USEAGE
Truck $120.00 Day 3 $360.00
Van Day $0.00
Subtotal $360.00
TOTAL VEHICLE $360.00
LABORATORY COSTS
PARAMETER RATE # SAMPLES #QAQC
TO-15 Influent $200.00 1 0 $200.00
VOHs Site monitoring wells $73.00 0 $0.00
Subtotal $200.00
Shipping
Large Cooler (25 to 50 lbs) $150.00 $0.00
Small Cooler (0 to 25 lbs) $110.00 1 $110.00
Subtotal $110.00
TOTAL LAB $310.00
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
Analytical Related
Groundwater Sampling Kit $290.00 Day $0.00
Water Level Meter $25.00 Day 3 $75.00
Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00
Subtotal $108.00
Expendables
$40.00 Day 3 $120.00
Subtotal $120.00
Other
O&M Kit $360.00 day 3 $1,080.00
O&M Supplies $75.00 day 3 $225.00
Air Velocity Meter $33.00 day 3 $99.00
Subtotal $1,404.00
TOTAL EQUIPMENT $1,632.00
Data interpretation and developing recommendations
ROI/Potentiometric Figures preparation
Property owner notification for each O&M event (1 hr). O&M event technical support and and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).
Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr). O&M progress report tables (2 hr/event) and vapor sampling shipping (1 hr). Prepare field O&M reports to FDEP (2 hr/event x 3 events = 6 hr).
12/9/2025 Page 6 of 8 Subtask 5
SUBTASK: Months 10-12 O&M
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
STAFF-TITLE WORK DESCRIPTION HOURS
Principal T. Kafka 2
Senior Professional M. Hensley 3
Project Professional N. Barnes 15
Senior Staff Professional R. Temple 51
Administrative Assistant R. Resinger 1
TOTAL LABOR 72
VEHICLE TYPE RATE UNIT USEAGE
Truck $120.00 Day 3 $360.00 Subtotal $360.00
TOTAL VEHICLE $360.00
SUBCONTRACTOR COSTS
NAME PURPOSE COST
IDW
Erwin Remediation IDW liquid (moisture separator) $125.00 $125.00
$0.00 $0.00 Subtotal $125.00
TOTAL SUB $125.00
LABORATORY COSTS
PARAMETER RATE # SAMPLES #QAQC
TO-15 Influent $200.00 1 0 $200.00 VOHs IDW sample $73.00 1 0 $73.00
Subtotal $273.00 Shipping
Large Cooler (25 to 50 lbs) $150.00 1 $150.00 Small Cooler (0 to 25 lbs) $110.00 1 $110.00
Subtotal $260.00
TOTAL LAB $533.00
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
Analytical Related Groundwater Sampling Kit $290.00 Day $0.00 Water Level Meter $25.00 Day 3 $75.00 Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00
Subtotal $108.00 IDW Related
Drum (purge water) $100.00 Drum $0.00 Subtotal $0.00
Expendables $40.00 Day 5 $200.00
Subtotal $200.00
Other O&M Kit $360.00 day 3 $1,080.00 O&M Supplies $75.00 day 3 $225.00 Air Velocity Meter $33.00 day 3 $99.00
Subtotal $1,404.00
TOTAL EQUIPMENT $1,712.00
Format and complile report. PDF preparation/creation.
Annual O&M Report and path forward recommendations
Figures preparation for Annual O&M Report (ROI, GW elevation)
Property owner notification for each O&M event ( 1 hr). O&M event technical support and and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).. Prepare Annual Remedial Action Status Report and PE certification (8 hrs)
Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr). O&M progress report tables (2 hr/event) and vapor sampling shipping (1 hr). Prepare Annual O&M Report (20 hr)
12/9/2025 Page 7 of 8 Subtask 6
SUBTASK: Utilities (12 Months)
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
TOTAL LABOR 0
VEHICLE TYPE RATE UNIT USEAGE
TOTAL VEHICLE $0.00
PER DIEM STAFF RATE UNIT USEAGE
TOTAL PER DIEM $0.00
SUBCONTRACTOR COSTS
NAME PURPOSE COST QUANTITY
Utilities FPL Energy Estimate (12 Months ) $350/month $350.00 12 $4,200.00 Processing Fee $20/month $20.00 12 $240.00
Subtotal $4,440.00
TOTAL SUB $4,440.00
LABORATORY COSTS
TOTAL LAB $0.00
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
TOTAL EQUIPMENT $0.00
12/9/2025 Page 8 of 8 Subtask 7
SUBTASK: System Restart and GW Sampling
DATE: ########
LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON
STAFF-TITLE WORK DESCRIPTION HOURS
Principal T. Kafka
Senior Professional M. Hensley
Project Professional N. Barnes
Senior Staff Professional R. Temple
-17
Staff Professional E. Carmona
Drafter/CADD Operator
Administrative Assistant
TOTAL LABOR -2
VEHICLE TYPE RATE UNIT USEAGE
Truck $120.00 Day -1 ($120.00) Subtotal ($120.00)
TOTAL VEHICLE ($120.00)
PER DIEM STAFF RATE UNIT USEAGE
N. Barnes Per Diem $36.00 Day $0.00 N. Barnes Hotel $140.00 Day $0.00
TOTAL PER DIEM $0.00
SUBCONTRACTOR COSTS
NAME PURPOSE COST
Utilities PRM Filtration Telemetry Service Telemetry Costs (annual) $0.00
$0.00 $0.00 Subtotal $0.00
TOTAL SUB $0.00
LABORATORY COSTS
PARAMETER RATE # SAMPLES #QAQC
TO-15 Influent, VEW003, VEW004 $200.00 0 $0.00 VOHs MW Samples $73.00 -1 0 ($73.00) TCLP VOCs GAC $210.00 0 $0.00 TCLP RCRA 8 Meta GAC $135.00 0 $0.00 Shipping
Large Cooler (25 to 50 lbs) $150.00 $0.00 Subtotal $0.00
TOTAL LAB ($73.00)
EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS
Analytical Related Groundwater Sampling Kit $290.00 Day -1 ($290.00) Air Sampling Canister (Summa) $33.00 Each $0.00
Subtotal ($290.00) IDW Related
Drum (GW Sampling Purge Water) $100.00 Drum $0.00
Subtotal $0.00 Expendables
$40.00 Day -1 ($40.00) Subtotal ($40.00)
Other O&M Kit $360.00 day $0.00 O&M Supplies $75.00 day $0.00 Air Velocity Meter $33.00 day $0.00
$0.00 Subtotal $0.00
TOTAL EQUIPMENT ($330.00)
System restart data and groundwater sampling data interpretation and path forward recommendations.
Generate groundwater elevation contour map, groundwater quality figure, generate ROI figure (3 hrs)
Field preparation (1 hr), Mobe/Demobe (2 hr/day x 2 1 days = 2hrs), Equipment calibration (0.5 hr/day x 2 days = 1 hr), Groundwater sample collection (7 wells x 1.5 hrs/well = 10.5 hrs), SVE system restart troubleshooting/O&M assistance (4 hrs), Field notes (0.5 hrs), IDW & Sample Management (2 hrs)
Field preparation (1 hr), Mobe/Demobe (2 hr/day x 1 days = 2 hrs), Equipment calibration (0.5 hr/day x 1 days = 0.5 hr), Groundwater sample collection (6 wells x 1.5 hrs/well =9 hrs), Field notes (0.5 hrs), IDW & Sample Management (2 hrs)
Property/tenant owner notification for system restart and GW sampling events (1 hr).
Mobilization/demobilization for system restart (8 hrs). System restart and O&M event with technical support, system troubleshooting, and ROI test (10 hrs). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr).Prepare system restart and groundwater sampling field deliverable for FDEP (4 hr).
12/9/2025 Page 3 of 3 Subtask 2
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C o s t
E s t i m a t e
P a g e o f
C o s t
E s t i m a t e
12802 Tampa Oaks Blvd.
Suite 151
Tampa, Florida 33637
PH 813.558.0990
www.geosyntec.com
Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-1 SOW
June 24, 2025 (revised November 17, 2025)
Ms. Sarah Aduwa Florida Department of Environmental Protection Waste Site Cleanup Section 2600 Blair Stone Road Tallahassee, FL 32399-2400
Subject: Scope of Work and CEF/LOE – Task Assignment DC002F Change Order 1 Soil Vapor Extraction System O&M (1 Year) Colonial Touch of Class Cleaners 4552 Lake Worth Road Greenacres, Palm Beach County, Florida 33463 FDEP Facility ID NO. ERIC_5222
Dear Ms. Aduwa:
Geosyntec Consultants, Inc. (Geosyntec) has prepared this proposed Scope of Work (SOW) and Level of Effort (LOE) for groundwater monitoring, soil vapor extraction (SVE) system restart, and 12 months of operation and maintenance (O&M) at the Colonial Touch of Class Cleaners Site located in Greenacres, Florida (ERIC_5222).
The O&M activities following system restart are subdivided into subtasks by quarter. The major scope elements are outlined below and will pertain to multiple subtasks in some cases. Each subtask will be outlined separately thereafter. A cost estimating form (CEF) and LOE is provided as Attachment A. Changes to the original Task Assignment are provided in red font.
SVE System Restart
The SVE system has been off since June 2024 to enable supplemental source area assessment including additional MAGs testing to support preparation of a Remedial Alternatives Evaluation (RAE). During the April 29, 2025 site review meeting with FDEP, it was decided that the system should be restarted to evaluate additional mass removal and assess other optimizations prior to re-advancing the Site towards a RAE. During the restart, FDEP requested vacuum data be collected to evaluate if there are any dead zones in the vapor recovery radius of influence and that vapor samples be collected from the combined influent, system effluent, and select vapor extraction wells (VEWs).
Ms. Sarah Aduwa June 24, 2025 (revised November 17, 2025)
Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-1 SOW
Groundwater Sampling
Select site monitoring wells shall be sampled to evaluate current groundwater quality, coincident with SVE system restart. The proposed monitoring wells for sampling include MW001, MW002, MW003, MW005, MW006, MW008, and MW009. A figure showing the locations of these wells and prior analytical results is provided as Attachment B. Prior to collecting groundwater samples, depth-to-water measurements will be collected from the well network. Groundwater samples will be analyzed by a fixed-based, certified laboratory for volatile organic halogens (VOHs) using EPA Method 8260. The analytical results will be tabulated and provided in a field deliverable, with an evaluation of the results provided in a Semi-Annual O&M Report. TACO-1: Monitoring well MW008 could not be accessed as the business in the suite this well is located in was unexpectedly closed. The costs associated with sampling this well are removed.
Monthly SVE System O&M Tasks
Geosyntec will conduct monthly O&M visits to the Site following SVE restart. Geosyntec personnel will perform the following tasks during each monthly O&M visit.
Recording vacuum, pressure, and temperature readings at the SVE blower;
Recording air flow rates at the blower and vapor extraction wells (VEWs);
Documenting active and passive VEW operation and adjustment of active and passive VEWs, as necessary;
Recording vacuum readings at VEW01 through VEW04 and select monitoring wells;
Draining fluids accumulated in the moisture separator and disposing of fluids in a 55-gallon drum as investigation derived waste (IDW);
Collecting groundwater level measurements in select monitoring wells;
Inspecting and cleaning (as needed) the equipment compound;
Inspecting water entrainment and adjustment of VEW wellhead vacuums (if necessary) to minimize water entrainment; and Performing periodic equipment maintenance activities.
Vacuum measurements will be collected at each of the system vacuum gauges during each O&M visit and select VEWs, MAGS wells, and MW wells. The vacuum monitoring data will be used to assess the actual vacuum ROI at the Site. The system will be adjusted to optimize the mass recovery rates through active and passive operations of VEWs. The monthly system O&M activities will be documented in a site-specific O&M log.
Soil Vapor Sampling
Upon SVE system restart, Geosyntec will collect samples from the influent, VEW003, and VEW004. Thereafter, influent samples will be collected on a quarterly basis. Air samples will be
Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-1 SOW collected in a Summa cannister and analyzed by a fixed-based, certified laboratory by United States Environmental Protection Agency (EPA) Method TO-15. Additional soil vapor samples from the VEWs may be collected on an as needed basis, following discussion with FDEP.
IDW Generation
IDW assumed to be generated includes purge water collected during groundwater sampling event, moisture captured in the SVE system moisture separator, and the previously utilized granular activated carbon (GAC). Subcontractor bids for IDW transport and disposal are included in Attachment C.
SVE System O&M Status Reporting
Monthly Email Summaries and Semi-Annual Reports (i.e., following Month 6 and Month 12) will be prepared to document O&M activities. The O&M reports will include the following:
O&M activities performed during the reporting period;
Calculated mass of VOHs removed by the SVE system during the reporting period, and cumulative total removed since startup;
SVE system hours of operation during the reporting period;
Information regarding the depth-to-groundwater (in summary table form with one set of representative data depicted graphically);
Information regarding any repairs and/or modifications made to the SVE system;
Vacuum radius of influence data (in summary table form with one set of representative data depicted graphically and
Results of laboratory analyses of air samples (System Restart, Months 3, 6, 9, and 12) and groundwater monitoring well samples in tabular and graphical form;
Recommendations pertaining to the continued operation and/or optimization of the SVE system (including cycling VEWs as active or passive).
Utilities
Monthly electrical utility bills have been estimated at $350 per month.
Subtask 1 – Project Management
Subtask 2 – SVE System Restart and Groundwater Monitoring
Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-1 SOW
This subtask includes restart of the SVE system and an annual groundwater monitoring event, as discussed during the 29 April 2025 annual site review meeting. Seven groundwater samples will be collected from the monitoring wells outlined above, and three vapor samples (influent, VEW03, and VEW04) will be sampled, as described above. Nick Barnes will assume responsibilities as the FL Professional Engineer and Project Manager; Nick will mobilize to the Site to conduct the SVE restart activities with a local field staff member who will be onsite to conduct groundwater sampling. The cost for the annual telemetry service fee from the equipment manufacturer, PRM Filtration, is included in this Subtask. TACO-1: One groundwater monitoring well (MW008) could not be accessed, and the costs (labor and analytical costs) associated with sampling this monitoring well are removed. The groundwater sampling activities were completed in one day rather than two days, so expenses are reduced. A change in staffing for the groundwater sampling portion of the scope was conducted based on availability, which also reduced labor costs.
Subtask 3 – Quarter 1 (Month 1 to Month 3) O&M
This subtask includes costs for three months of O&M, including influent air sampling during Month 3 event.
Subtask 4 – Quarter 2 (Month 4 to 6) O&M and Reporting
This subtask includes costs for three months of O&M, including air sampling during Month 6, and the submittal of a Semi-Annual O&M Report that will include evaluation of the groundwater monitoring data generated during Subtask 1.
Subtask 5 – Quarter 3 (Month 7 to 9) O&M
This subtask includes costs for three months of O&M, including air sampling during Month 9, with monthly email summaries to FDEP.
Subtask 6 – Quarter 4 (Month 10 to 12) O&M and Reporting
This subtask includes costs for three months of O&M, including air sampling. This subtask also includes the submittal of an Annual O&M Report with final IDW manifests.
Subtask 7 – Utilities
This subtask includes estimated costs associated with electrical utility fees for 12 months of system operation.
Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-1 SOW
Invoice and Deliverable Schedule
The proposed invoice and deliverable schedule is as follows, assuming TA approval by July 1, 2025, and Month 1 is August 2025:
The Task Assignment amount is reduced by $1,288.22 based on the changes noted above.
Subtask Deliverable Deliverable Due
Date Invoice Amount
System Restart and Groundwater Monitoring Field Deliverable
November 26, 2025 $12,240.43
3 Month 2 and 3 O&M Summary Email January 16, 2026 $8,775.90
Month 4, 5, and 6 O&M Summary Email and Semi-Annual O&M Report
March 27, 2026 $12,123.76
Month 7, 8, and 9 O&M Summary Email
June 26, 2026 $8,775.90
6, 1 Month 10, 11, and 12 Summary Email and Annual O&M Report
November 27, 2026 $17, Utility Invoices and Handling Fees (Months 1 – 12)
November 27, 2026 $4,440.00
Total: $63,979.55 The above schedule assumes that system re-start occurs by August 2025.
CLOSURE
We appreciate the opportunity to assist FDEP with this project. Please review and contact us if you have any questions or require additional information.
Sincerely, Nicholas S. Barnes, P.E. (FL) Todd K. Kafka, P.G. (FL)
Project Engineer Senior Principal Hydrogeologist
Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-1 SOW
Attachments: Attachment A – CEF-LOE Attachment B – Figure (Not included in TACO) Attachment C – Subcontractor Quotes (Not included in TACO)
Funding Information:
Org. Code E.O.
Object Code
Budget Entity Appropriation
Category Grant # Project # Year Amount
Additional Funding Information attached on separate page.
Rev.
STATE OF FLORIDA
DEPARTMENT OF ENVIRONMENTAL PROTECTION
Task Assignment This Task Assignment (TA) is entered into between the Parties named below, pursuant to Contract Number: .
1. TA Number: TA Completion Date:
TA Description:
2. Parties State of Florida Department of Environmental Protection (Department)
Department Project Manager: Department Project Manager Phone:
Contractor Name: (Contractor ) ntractor�st �s Project Manager: ontractor�s t�s Project Manager Phone:
3. Project Number:
(If different from TA Number)
Project Location(s):
Project Name:
4. As consideration for the services rendered by Contractor under the terms of this TA, the Department shall pay the Contractor on the following bases, up to the Total TA Value as indicated below:
Fixed Price:
Fixed Unit Rate: (Extended Price)
Cost Reimbursement:
Total TA Value:
5. The Parties agree to comply with the terms and conditions of the underlying the Contract, and the following attachments which are hereby incorporated by reference:
Attachment 1:
Additional Attachments (if necessary):
IN WITNESS WHEREOF, this TA shall be effective on the last date signed below.
State of Florida Department of Environmental Protection
CONTRACTOR Department
Name:
Title: Secretary or Designee
(Authorized Signature) (Authorized Signature)
Date:
Additional signatures attached on separate page.
HW683
DC002F Completion February 26, 2027
This Task Assignment authorizes Geosyntec to conduct 12 months of SVE System
O&M at Colonial Drycleaners in accordance with the June 24, 2025 Scope of Work, Cost Estimate, and Bid Documentation.
Sarah Aduwa 850-245-8973 Contractor Geosyntec Consultants Inc. Contractor
Contractor Nicholas Barnes Contractor 813-379-4388
ERIC_5222
4552 Lake Worth Road, Greenacres, Palm Beach County
Colonial Drycleaners/Touch of Class Drycleaners
Contractor Contractor
$ 61,067.78
$ 4,200.00
$ 65,267.78
Scope of Work
Geosyntec Consultants Inc.
Contractor
Joseph Applegate Digitally signed by Joseph Applegate Date: 2025.06.27 10:46:58 -04'00'
Jennifer Farrell
Digitally signed by Jennifer Farrell Date: 2025.06.27 09:41:56 -04'00'
N/A
Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment
Contract Number:
Task Assignment #:
Deliverables:
Deliverable Deliverable Due Date
Invoice Schedule:
Requirements for Invoice Submittal Amount to be Invoiced
TOTAL COST
BWC TAFORM
HW683
DC002F
Subtask 3 - O&M (Months 2 & 3)
Subtask 4 - O&M (Months 4, 5, & 6) & Reporting
Subtask 5 - O&M (Months 7, 8, & 9)
Subtasks 1 & 6 - Project Management; Reporting
Subtask 7 - Utilities (Months 1-12)
Subtask 2 - SVE System Restart and Groundwater Sampling 09/26/2025
01/16/2026
03/27/2026
06/26/2026
11/27/2026
11/27/2026
Subtask 2 - Submittal and FDEP approval of the system restart and groundwater sampling field deliverable
Subtask 3 - Submittal and FDEP approval of the O&M field reports for months 2 & 3
Subtask 4 - Submittal and FDEP approval of the Semi-Annual O&M Report
Subtask 5 - Submittal and FDEP approval of the O&M field reports for months 7, 8, & 9
Subtasks 1 & 6 - Submittal and FDEP approval of the Annual O&M Report
Subtask 7 - Submittal and FDEP approval of paid utility invoices for months 1-12 Utilities (Cost Plus Fixed Fee) not to exceed $4,200.00 Handling Fee: $240.00
$ 13,440.61
$ 65,267.78
$ 8,775.90
$ 12,123.76
$ 8,775.90
$ 17,711.61
$ 4,440.00
File details come from the government source that posted it. Updated .