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:

5. 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.

DC003D 1 HW684

Mackenzie Childs 850-245-8929 GHD Services, Inc

Brian Moore 813-971-3882

ERIC_4731

Valet Cleaners

$ 10,612.51 $ 11,204.35

$ 660.00 $ 660.00

$ 11,272.51 $ 11,864.35

07/17/2026 07/17/2026 0

1 1 1

GHD Services, Inc

Brian Moore Digitally signed by Brian Moore Date: 2025.09.29 21:25:29 -04'00'

Mubeen Darji

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

Date: 2025.09.29 15:26:19 -04'00'

N/A

This Change Order authorized a cost decrease due to adjusting personnel and hours.

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

Contract Number:

Task Assignment #:

Change Order #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Requirements for Invoice Submittal Amount to be Invoiced

TOTAL COST

BWC TAFORM 01/18

Memorandum

TO: Negotiation File Valet Cleaners Brandon, Hillsborough County

ERIC_4731

FROM: Mackenzie Childs, Project Manager

SUBJECT: Negotiation Summary Task Assignment Change Order DC003D-1 (HW684)

DATE: September 26, 2025

This Change Order authorizes a total cost decrease due to adjusting personnel and hours.

The previous cost total was $11,864.35. Total costs were decreased by $591.84 resulting in a new final cost total of $11,272.51. There is a $0.01 rounding error associated with the final Cost Estimate form. GHD may invoice according to the included schedule.

Specific negotiated subtasks are as follows:

Subtask 1:

Project Management is automatically calculated as a percentage of total labor in accordance with

Contract HW684.

Subtask 2:

Change in personnel and decreased total labor hours.

LEVEL OF EFFORT/EXPENSE WORKSHEET

SITE : Valet Cleaners SUBTASK 2: O&M (6 months)

DATE: 9/26/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Project Manager JM Field Work Preparation with Scope of Work 2

Project Manager JM site access for sampling (scheduling with owner) 1 Project Manager JM Prepare Email Summary and Submit 8

Senior Technician WM Mob/demob (1 day) 0

Senior Technician WM Semi-Annual O&M Site Visit 0

Senior Technician WM Water Levels (17 wells) 0

Senior Technician WM Groundwater sampling 6 wells 0

Senior Technician SA Mob/demob (1 day) 2 Senior Technician SA Semi-Annual O&M Site Visit 2

Junior Technician WO Mob/demob (1 day) 2

Junior Technician WO Water Levels (17 wells) 2 Junior Technician WO Groundwater Sampling 6 wells 9

Drafting Technician KJ Prepare GW Flow Figures (shallow/deep) 2 Drafting Technician KJ Prepare GW Analytical Figures (shallow/deep) 2

Staff Assistants JJ Data Entry and Table Generation (new well, elevations, 6 wells) 1.5

1.5

TOTAL LABOR 33.5

VEHICLE TYPE RATE UNIT USEAGE

Company Truck $120.00 day 2 $240.00

TOTAL VEHICLE $240.00

PER DIEM STAFF RATE UNIT USEAGE

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

Erwin Remediation IDW Disposal $125.00 drum 1 $125.00

TOTAL $125.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOCs (BTEX and VOHs) (PID/Hall Series) $110.00 6 $660.00

TO15 $200.00 1 $200.00

sample shipping (Two Day) GW VOCs $52.00 1 $52.00 sample shipping (Next Day) Air $110.00 1 $110.00

Ice $6.50 1 $6.50

TOTAL LAB $1,028.50

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 day 2 $80.00

Air Sampling Pump $27.00 Day 1 $27.00

Anemometer $33.00 Day 1 $33.00

Vacuum Gauges $19.00 Day 1 $19.00

OVA $125.00 Day 1 $125.00

Summa Canister $33.00 each 1 $33.00

Groundwater Sampling Kit $290.00 Day 1 $290.00

Poly Tubing $0.30 ft 125 $37.50

Silicone Tubing $3.00 ft 6 $18.00

Drum $100.00 drum 1 $100.00

TOTAL EQUIPMENT $762.50

FINAL --7/24/96

SUBTASK 3: O&M (6 months)

DATE: 9/26/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Sr. Professional Engineer JH Conclusions/Recommendations-RASR 1

Professional Engineer JM Field Work Preparation (O&M and GW) 2 Professional Engineer JM Site Access 1 Professional Engineer JM Detail system operations (performance criteria, flow variations) - RASR 1.5 Professional Engineer JM Detail system troubleshooting (runtime, major repairs, operational issues)-RASR 1.5 Professional Engineer JM Detail system influent data (mass calculation, concentration trends)-RASR 1.5 Professional Engineer JM Groundwater Field Parameter Results and evaluation - RASR 1.5 Professional Engineer JM Water Level evaluation - RASR 1.5 Professional Engineer JM Groundwater analytical results evaluataion -RASR 2 Professional Engineer JM Characterize IDW for Disposal 1 Professional Engineer JM Laboratory Data Validation -RASR 1.5 Professional Engineer JM Conclustion and Recommendations-RASR 1

Senior Technician WM Mob/demob (3 day) 2 Senior Technician WM Semi-annual O&M visit 5

Staff Assistants JJ Data Entry and Table Generation 1 Staff Assistants JJ Document Preparation/Publishing 2

TOTAL LABOR 27

VEHICLE TYPE RATE UNIT USEAGE

Company Truck $120.00 day 1 $120.00

TOTAL VEHICLE $120.00

PER DIEM STAFF RATE UNIT USEAGE

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

TOTAL $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO15 $200.00 1 $200.00

sample shipping small (Next AIR $110.00 1 $110.00

TOTAL LAB $310.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expedanbles $40.00 day 1 $40.00

Air Sampling Pump $27.00 Day 1 $27.00 Anemometer $33.00 Day 1 $33.00 Vacuum Gauges $19.00 Day 1 $19.00 Tedlar Air Bags $20.00 each 1 $20.00 OVA $125.00 Day 1 $125.00

TOTAL EQUIPMENT $264.00

SUBTASK 4: Utilities (12 months)

DATE: 9/26/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

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

Tampa Electric Monthly Electric 12 months $55.00 $660.00

Handling Fee 12 months $20.00 $240.00

TOTAL $900.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

TOTAL EQUIPMENT $0.00

SUBTASK 2: O&M (6 months)

DATE: 9/26/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Project Manager JM Field Work Preparation with Scope of Work 0

Project Manager JM site access for sampling (scheduling with owner) 0 Project Manager JM Prepare Email Summary and Submit 0

Senior Technician WM Mob/demob (1 day) -2

Senior Technician WM Semi-Annual O&M Site Visit -6

Senior Technician WM Water Levels (17 wells) -2

Senior Technician WM Groundwater sampling 6 wells -9

-19

Senior Technician SA Mob/demob (1 day) 2 Senior Technician SA Semi-Annual O&M Site Visit 2

Junior Technician WO Mob/demob (1 day) 2

Junior Technician WO Water Levels (17 wells) 2 Junior Technician WO Groundwater Sampling 6 wells 9

Drafting Technician KJ Prepare GW Flow Figures (shallow/deep) 0 Drafting Technician KJ Prepare GW Analytical Figures (shallow/deep) 0

Staff Assistants JJ Data Entry and Table Generation (new well, elevations, 6 wells) 0

TOTAL LABOR -2

VEHICLE TYPE RATE UNIT USEAGE

Company Truck $120.00 day 0 $0.00

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USEAGE

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

Erwin Remediation IDW Disposal $125.00 drum 0 $0.00

TOTAL $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOCs (BTEX and VOHs) (PID/Hall Series) $110.00 0 $0.00

TO15 $200.00 0 $0.00

sample shipping (Two Day) GW VOCs $52.00 0 $0.00 sample shipping (Next Day) Air $110.00 0 $0.00

Ice $6.50 0 $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 day 0 $0.00

Air Sampling Pump $27.00 Day 0 $0.00

Anemometer $33.00 Day 0 $0.00

Vacuum Gauges $19.00 Day 0 $0.00

OVA $125.00 Day 0 $0.00

Summa Canister $33.00 each 0 $0.00

Groundwater Sampling Kit $290.00 Day 0 $0.00

Poly Tubing $0.30 ft 0 $0.00

Silicone Tubing $3.00 ft 0 $0.00

Drum $100.00 drum 0 $0.00

TOTAL EQUIPMENT $0.00

From: Brian Moore To: Childs, Mackenzie Cc: Cheryl Tidwell; Jenna Martin Subject: Valet Cleaners ERIC_4731 Date: Thursday, September 25, 2025 10:42:55 AM Attachments: TA_003D Final CO1.xlsx

TA_003D Delta CO1.xlsx TA_003D.xlsx

EXTERNAL MESSAGE

This email originated outside of DEP. Please use caution when opening attachments, clicking links, or responding to this email.

Mackenzie, A proposed change order is attached for consideration that adjusts field labor personnel and hours

Thank you

BRIAN MOORE PE

GHD

Proudly employee owned | ghd.com 5904 Hampton Oaks Parkway Suite F Tampa FL 33610 USA

O 813 971 3882 D 813 257 0658 M 813 335 2147 E brian.moore@ghd.com

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