CN-370000-HW683-DC005E.pdf

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Master Agreement FL|HW683|90e8124b5a65e607dedb86d39c72016e
Contract number
HW683
Issued by
Florida

About this file

This Task Assignment (TA) is a state and local contract indefinite delivery vehicle entered into between the State of Florida Department of Environmental Protection (FDEP) and Geosyntec Consultants, Inc. The contract, numbered HW683 with task assignment number DC005E, was executed on October 28, 2024, with an effective completion date of the same date. The underlying contract HW683 serves as the governing agreement under which this task assignment operates.

The task assignment authorizes Geosyntec to conduct semi-annual natural attenuation monitoring at the Walker Plaza site located at 603–617 North Maryland Avenue, Plant City, Hillsborough County, Florida (ERIC 4783). The scope of work includes four subtasks: project management, semi-annual groundwater sampling from 19 accessible monitoring wells and 6 specified wells (MW002, MW006, MW010, MW011, MW013, and MW016) with analysis for volatile organic halocarbons using EPA Method 8260B, investigative derived waste (IDW) management and disposal through Erwin Remediation, and preparation of a groundwater monitoring report with statistical analysis and recommendations. The total task assignment value is $9,841.74 on a fixed unit rate basis, with deliverables scheduled for June 28, 2024 (groundwater sampling field forms at $4,651.60) and September 27, 2024 (groundwater monitoring report at $5,190.14). The cost estimate reflects 59 total labor hours allocated across various professional categories, vehicle rental costs of $240.00, laboratory analytical costs of $621.00, field equipment expenses of $760.00, and IDW transportation and disposal costs of $214.50, with a completion fee of $727.84 applied to the subtotal of $9,113.90.

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Text version

Funding Information:

Org. Code E.O.

Object Code

Budget Entity Appropriation

Category Grant # Project # Year Amount

Additional Funding Information attached on separate page.

Rev. 8/26/2020

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

DC005E October 28, 2024

This Task Assignment authorizes Geosyntec to conduct Natural Attenuation

Monitoring at Walker Plaza site in accordance with Geosyntec scope of work, cost estimate and schedule received on May 3, 2024.

Sarah Aduwa 850-245-8973 Geosyntec

James Mills 813-379-4389

ERIC 4783

603 – 617 North Maryland Avenue Plant City, Hillsborough County, Florida 33563

Walker Plaza

$ 9,841.74

$ 9,841.74

Scope of Work

Geosyntec

Todd Kafka

Contract Manager

Todd Kafka, P.G. Digitally signed by Todd Kafka, P.G.

Date: 2024.05.28 13:10:54 -04'00'

Mubeen Darji

Mubeen Darji, P.E. Digitally signed by Mubeen Darji, P.E.

Date: 2024.05.28 11:48:04 -04'00'

N/A

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

WC TAFORM

Contract Number:

Task Assignment #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Requirements for Invoice Submittal Amount to be Invoiced

TOTAL COST

Printed on recycled paper.

FLORIDA DEPARTMENT OF

Environmental Protection

Bob Martinez Center 2600 Blair Stone Road

Tallahassee, FL 32399-2400

Ron DeSantis Governor

Jeanette Nuñez Lt. Governor

Shawn Hamilton Secretary

To: HW683 Contract Negotiation File Walker Plaza Plant City, Hillsborough County, Florida

ERIC_4783

From: Sarah Aduwa, Project Manager Date: May 7, 2024 Subject: Negotiation Summary

HW683_DC005E

This Task Assignment authorizes Geosyntec to conduct semi-annual monitoring of VOHs for Natural Attenuation Monitoring at Walker Plaza site in accordance with Geosyntec scope of work, cost estimate and schedule received on May 3, 2024. This SOW is consistent with recommendations provided in the Annual Natural Attenuation Monitoring Report dated February 2024 and approved by FDEP.

Subtask 2 – Semi-Annual Groundwater Sampling This subtask includes costs for collecting DTW measurements from 19 accessible monitoring wells and groundwater samples from 6 wells (MW002, MW006, MW010, MW011, MW013, and MW016). The samples will be tested for VOHs

Subtask 3 & 4 – IDW Management and Groundwater Monitoring Report These subtasks include cos associated with the transportation and disposal of IDW generated during groundwater sampling activities and preparation of the NAM report. The NAM report will include a summary of sampling activities, resultsand recommendations.

The FDEP Project Manager agrees to the scope of work and final cost associated with this Task Assignment. The final cost is $9,841.74 with 59 labor hours.

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R E V

C E F

P a g e

LEVEL OF EFFORT/EXPENSE WORKSHEET

SITE : Walker Plaza SUBTASK: Groundwater Sampling

DATE: 5/1/2024

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Project Professional J. Mills 4

Senior Staff Professional A. Lamore

TOTAL LABOR 27

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 2 $240.00 Subtotal $240.00

TOTAL VEHICLE $240.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOCs (8260B) 6 wells; 1 IDW $73.00 7 $511.00 Subtotal $511.00

Shipping Small Cooler (0 to 25 lbs) $110.00 1 $110.00

Subtotal $110.00

TOTAL LAB $621.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related Groundwater Sampling Kit $290.00 Day 2 $580.00

Subtotal $580.00 IDW Related

Drum $100.00 Each 1 $100.00 Subtotal $100.00

Expendables $40.00 Day 2 $80.00

Subtotal $80.00

TOTAL EQUIPMENT $760.00

RPO coordination and logistics to access interior wells (2 hr); Evaluate and interpret field data (1 hr); Prepare field package (1 hr)

Field preparation (1 hr); mobe/demob (2 d @ 3 hr/d = 6 hr); collect 15 water levels from MWs not sampled on first day (3 hr); sample 6 monitoring wells (6 @ 1.5 hr/well = 9 hr);

equipment calibration (2 d @ 0.5 hr/d = 1 hr); IDW management (1 hr); sample management (2 hr)

SUBTASK: IDW Management

DATE: 5/1/2024

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Project Professional J. Mills 1

TOTAL LABOR 1

SUBCONTRACTOR COSTS

NAME PURPOSE COST

IDW

Erwin Remediation IDW T&D $195 $195.00

Subtotal $195.00

TOTAL SUB $195.00

Review and signature of waste profile and manifest, including pickup coordiation

SUBTASK: Groundwater Monitoring Report

DATE: 5/1/2024

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka 2

Project Professional M. Hensley 4

Project Professional J. Mills 14

Senior Staff Professional A. Lamore 4

Administrative Assistant R. Resinger 1

TOTAL LABOR 25

Report formatting, PDF compilation

Data evaluation/interpretation and PG certification on report (2 hr)

Update 4 report figures

Prepare report text, appendices, and tables (14 hr)

Prepare report tables, draft contour figures, and Mann-Kendall (4 hr)

12802 Tampa Oaks Blvd, Suite 151 Tampa, Florida 33637

PH 813.558.0990

FAX 813.558.9726

www.geosyntec.com

3 May 2024

Ms. Sarah Aduwa Florida Department of Environmental Protection Waste Cleanup Program 2600 Blair Stone Road Tallahassee, FL 32399-2400

Subject: Scope of Work and Cost Estimate Form/Level of Effort Semi-Annual Monitoring - 2024

Walker Plaza 603 – 617 North Maryland Avenue Plant City, Hillsborough County, Florida

FDEP Facility ID ERIC_4783

Dear Ms. Aduwa:

Geosyntec Consultants, Inc. (Geosyntec) has prepared this Scope of Work (SOW) and Cost Estimate Form/Level of Effort (Attachment A) for semi-annual monitoring of volatile organic halocarbons (VOHs) at the Walker Plaza site (herein, the “Site”; Facility ID ERIC_4783) located in Plant City, Florida. Semi-annual monitoring of VOHs proposed in this SOW is consistent with recommendations provided in the Annual Natural Attenuation Monitoring Report (Report) dated February 2024 and approved by the Florida Department of Environmental Protection (FDEP) on 27 February 2024.

Geosyntec confirmed that Site Access Agreements were executed by Ms. Karen Davis on 27 April 2022 as the property owner of Walker Plaza (ERIC_4783) located at the above address and by David Ligon on 30 October 2018 as the property owner of the parcel adjacent to Walker Plaza located at 1502 East Baker Street, Plant City, FL.

Subtask 1 – Project Management

James Mills, P.E. will serve as Project Manager for the proposed SOW. Costs associated with this subtask are directly computed.

Subtask 2 – Semi-Annual Groundwater Sampling

This subtask includes costs associated with semi-annual monitoring activities tentatively scheduled for June 2024. As recommended in the 2024 Report, Geosyntec will collect depth-to-groundwater measurements from 19 accessible monitoring wells at the Site and groundwater samples from six monitoring wells. The monitoring wells include six surficial aquifer wells (MW002, MW006, MW010, MW011, MW013, and MW016). Groundwater samples will be collected in general accordance with FDEP’s Standard Operating Procedures and will be submitted for laboratory analysis of VOHs by Environmental Protection Agency Method 8260B. Geosyntec will containerize the purge water in a 55-gallon steel drum and one investigative derived waste (IDW) characterization sample will be collected from the drum for analysis of VOHs.

Geosyntec has assumed that this subtask can be completed by one field staff in two field days including round trip travel.

Subtask 3 – IDW Management

This subtask includes costs associated with the transportation and disposal of IDW generated during groundwater sampling activities. Geosyntec will containerize purge water in one 55-gallon steel drum, which will be labelled, covered with plastic, and wrapped in orange construction fencing. The drum will be transported off-Site and disposed of under the existing non-hazardous waste profile by Erwin Remediation, Inc. Based on per- and polyfluoroalkyl substances (PFAS) screening completed as part of Task Assignment HW013A, it is assumed that the drum will need to be disposed of as PFAS-impacted waste. Quotes for the transportation and disposal of IDW are included as Attachment B. Erwin Remediation, Inc.

remains the lowest cost provider. It is assumed that oversight of the IDW pickup will not be required.

Subtask 4 – Groundwater Monitoring Report Preparation

This subtask includes effort for Geosyntec to prepare a Groundwater Monitoring Report summarizing sampling activities and results, and provide conclusions and recommendations based on data evaluation. The report will contain field forms, the final signed waste manifest for IDW transport and disposal, tables summarizing field and laboratory data, figures showing groundwater flow directions, and a textual summary of the groundwater monitoring event. As part of the report preparation and to evaluate the path forward, Geosyntec will evaluate plume stability and attenuation of the groundwater plume using Mann-Kendall statistical analysis. The report will be signed and sealed by a Florida-licensed geologist and one electronic copy of the final report will be submitted to the FDEP via email.

Invoice and Deliverable Schedule:

Note that this schedule reflects two weeks FDEP review of the SOW. Geosyntec requests the following schedule of deliverables and invoices:

Subtask Deliverable Deliverable Date Invoice Amount

Submittal of groundwater sampling field forms 28 June 2024 $ 4,651.60

1, 3, & 4 Submittal of Groundwater

Monitoring Report 27 September 2024 $ 5,190.14

TOTAL $ 9,841.74

As always, it is a pleasure to work with the FDEP. Please contact James Mills at 813.379.4389 if you have any questions or require additional information.

Sincerely, James C. Mills, P.E.

Project Engineer

Todd K. Kafka, P.G.

Senior Principal Hydrogeologist

Attachments

ATTACHMENT A

COST ESTIMATE FORM/LEVEL OF

EFFORT

SUBTASK: Groundwater Sampling

DATE: 5/1/2024

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Project Professional

J. Mills 4

Senior Staff Professional A. Lamore

TOTAL LABOR 27

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 2 $240.00

Subtotal $240.00

TOTAL VEHICLE $240.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOCs (8260B) 6 wells; 1 IDW $73.00 7 $511.00

Subtotal $511.00

Shipping

Small Cooler (0 to 25 lbs) $110.00 1 $110.00

Subtotal $110.00

TOTAL LAB $621.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day 2 $580.00

Subtotal $580.00

IDW Related

Drum $100.00 Each 1 $100.00

Subtotal $100.00

Expendables

$40.00 Day 2 $80.00

Subtotal $80.00

TOTAL EQUIPMENT $760.00

RPO coordination and logistics to access interior wells (2 hr); Evaluate and interpret field data (1 hr); Prepare field package (1 hr)

Field preparation (1 hr); mobe/demob (2 d @ 3 hr/d = 6 hr); collect 15 water levels from MWs not sampled on first day (3 hr); sample 6 monitoring wells (6 @ 1.5 hr/well = 9 hr);

equipment calibration (2 d @ 0.5 hr/d = 1 hr); IDW management (1 hr); sample management (2 hr)

SUBTASK: IDW Management

DATE: 5/1/2024

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Project Professional

J. Mills 1

TOTAL LABOR 1

SUBCONTRACTOR COSTS

NAME PURPOSE COST

IDW

Erwin Remediation IDW T&D $195 $195.00

Subtotal $195.00

TOTAL SUB $195.00

Review and signature of waste profile and manifest, including pickup coordiation

SUBTASK: Groundwater Monitoring Report

DATE: 5/1/2024

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal

T. Kafka 2

Project Professional

M. Hensley 4

Project Professional

J. Mills 14

Senior Staff Professional A. Lamore 4

Administrative Assistant

R. Resinger 1

TOTAL LABOR 25

Report formatting, PDF compilation

Data evaluation/interpretation and PG certification on report (2 hr)

Update 4 report figures

Prepare report text, appendices, and tables (14 hr)

Prepare report tables, draft contour figures, and Mann-Kendall (4 hr)

ATTACHMENT B

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