CN-370000-HW554-DC10JCO1.pdf

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Master Agreement FL|HW554|b8491b6aee5cca18e2fd02a5beae48f4
Contract number
HW554
Issued by
Florida

About this file

This document is a Task Assignment Notification Change Order Form (Change Order No. 1) issued by the Florida Department of Environmental Protection (FDEP) to APTIM Environmental & Infrastructure, LLC for work at the Carriage Cleaners site (ERIC_5463). The change order modifies Task Assignment DC010J under DEP Contract No. HW554, with John Sykes III serving as the DEP Contract Manager and Eric Kramer, PE representing APTIM. The contract was originally executed on February 16, 2011, and this change order was issued on May 14, 2020.

The change order adjusts the scope of work to address groundwater sampling activities at the site. Two monitoring wells (MW001 and MW008) were deleted from the original annual sampling scope by direction of the DEP geologist because both wells sampled below Groundwater Cleanup Target Levels (GCTLs). Under the revised scope, APTIM will conduct five-well sampling (three shallow and two deep) 90 days after the initial sampling and generate a letter report with DEP Environmental Data Deliverables and a Site Rehabilitation Completion Report (SRCR). The task amount increased by $7,729.04, bringing the total not-to-exceed amount from $5,668.66 to $13,397.70 under a fixed-price arrangement. The original completion date of July 16, 2020, was extended by 78 days to October 2, 2020. The contract includes four subtasks: project management, annual sampling, quarterly sampling, and SRCR preparation, with deliverables due by July 31, 2020, and final invoicing contingent upon FDEP approval of all reports.

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DEP CONTRACT NO.

Task Assignment #: Change Order No.:

Contractor Name:

Contractor Representative:

DEP Contract Manager: Phone #:

Site Name:

Site ID / Facility ID::

Description of Change [use additional pages if necessary]:

The Deliverable and Invoice Schedule is attached.

Final Deliverable:

TASK ASSIGNMENT TYPE AND NOT TO EXCEED AMOUNTS:

Cost Reimbursement Fixed Fee

Original Task Amount

Task Amount Prior to this Change Order Net Increase/decrease in task amount Task amount with all change orders $0.00 $0.00 $0.00 $0.00

Original Task Completion Date:

Completion Date Prior to this Change:

Net Increase/Decrease in Task Period:

Completion Date with all Change Orders:

DEP Task Manager:

DEP Contract Manager:

Contractual Authority:

Contractor Representative:

CC: Procurement Section (MS 93) Section Representative ________

FIXED PRICE

TASK ASSIGNMENT NOTIFICATION CHANGE ORDER FORM

ITEM

$0.00

$0.00

DEP will review the deliverables to verify that they meet the specifications of this contract and task description. DEP’s Contract Manager shall notify the Contractor of any deficiencies in the deliverable(s) and shall give the Contractor reasonable opportunity to correct noted deficiencies and provide a revised deliverable(s).

Final Deliverable Due Date:

$0.00

$0.00

CHANGE IN TASK TIME

FEE SCHEDULE

COST PLUS FIXED FEE

TOTAL

WCP TAFORM 01_18

HW554

1DC010J

APTIM

Eric Kramer, PE

245-8960John Sykes III

Carriage Cleaners

ERIC_5463

Two wells were deleted from the original scope of work for annual sampling by direction of DEP geologist, however, since both wells sampled were below GCTLs, APTIM will sample 5 wells (three shallow and 2 deep) after 90 days and generate a letter report w/DEP EDDs and SRCR, per the APTIM 5/12/2020 scope, schedule, level of effort and cost estimate.

Site Rehabilitation Completion Report (SRCR) 07/31/2020

$ 5,668.66 $ 0.00 $ 0.00 $ 0.00

$ 5,668.66 $ 0.00 $ 0.00 $ 0.00 $ 5,668.66

$ 7,729.04 $ 0.00 $ 0.00 $ 0.00 $ 7,729.04

$ 13,397.70

07/16/2020

07/16/2020

78 days

10/02/2020

Digitally signed by John Sykes III Date: 2020.05.14 10:30:43 -04'00'

Digitally signed by John Sykes III Date: 2020.05.14 10:30:57 -04'00'

Digitally signed by Jennifer Farrell Date: 2020.05.14 13:07:37 -04'00'

Digitally signed by Kramer, Eric K Date: 2020.05.14 16:44:28 -04'00'

$ 13,397.70 $ 0.00 $ 0.00 $ 0.00

$ 5,668.66

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

WCP TAFORM 01_18

Contract Number:

Task Assignment #:

Change Order #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Requirements for Invoice Submittal Amount to be Invoiced

TOTAL COST

HW554

DC010J

$ 13,397.70

Annual Groundwater Monitoring Report w/DEP EDDs - ST 2

Quarterly Sampling Letter Report w/DEP EDDs - ST 3

Site Rehabilitation Completion Report (SRCR) - ST 4

DEP approval of Annual Groundwater Monitoring Report & Quarterly Sampling Letter Report - ST 1, 2 & 3

DEP approval of Site Rehabilitation Completion Report (SRCR) - ST 4

Received

07/31/2020

07/31/2020

$ 1,638.05

$ 11,759.65

FLORIDA DEPARTMENT OF

Environmental Protection

Bob Martinez Center 2600 Blair Stone Road

Tallahassee, FL 32399-2400

Ron DeSantis Governor

Jeanette Nuñez Lt. Governor

Noah Valenstein Secretary

Memorandum TO: Carriage Cleaners DSCP Site File FROM: John Sykes III, Project Manager SUBJECT: Negotiation Summary, HW560, TA DC010J, Change Order #1 DATE: May 14, 2020

Two wells were deleted from the original scope of work for annual sampling by direction of DEP geologist, however, since both wells sampled were below GCTLs, APTIM will sample 5 wells (three shallow and 2 deep) after 90 days and generate a letter report w/DEP EDDs and SRCR, per the APTIM May 12, 2020, scope, schedule, level of effort (LOE) and cost estimate (CE).

Subtask 2:

Costs for sampling labor and analysis of samples from MW001 and MW008 are deleted.

Subtask 3:

New subtask to sample MW001, MW007, MW008, MW010 and MW011, analyze samples and submit a Monitoring Well Sampling Letter Report w/DEP EDDs.

Subtask 4:

New subtask. If all 5 wells are <GCTLs, APTIM will submit a Site Rehabilitation Completion Report. This subtask will be deleted if any wells have exceedances of GCTLs.

Summary:

Final LOE and CE for this TA are 84 hours and $13,397.70, respectively. This LOE and CE are reasonable for the associated scope.

FDEP COST ESTIMATE

Contractor: Aptim Environmental & Infrastructure, LLC

Date: 5/12/2020

Task #: HW554-DC010J TACO #1 SubTask 1 Project Management

Site: Carriage Cleaners SubTask 2 2-Annual Sampling

Activity/Phase: Annual Sampling SubTask 3 3-Quarterly Sampling (Q1)

Project Manager: Eric Kramer SubTask 4 4-SRCR Report

SubTask 5

Totals 1 2 3 4 5 Labor Rate Category

$61.78 Client Program Manager 1 E. Kramer 7 7.1 $61.78 Engineer/Scientist 5 E. Kramer 4 2 2 0 0 $59.42 Engineer/Scientist 4 G. Roberts 38 15 15 8 0 $32.77 Engineer/Scientist 2 K. Howard 14 0 14 0 0 $21.80 Engineer/Scientist 1 J. Harris 11 11 0 0 0 $31.07 Designer 2 S. Ferianc 6 2 2 2 0 $24.55 Tech Publications Specialist 2 H. Vining 4 2 2 0 0

0 0 0 0 0

Total Hours 84 7 32 35 10 0

Direct Labor $3,924.32 $436.04 $1,365.90 $1,584.88 $537.50 $0.00

Fringe 119.00% $4,669.96 $518.89 $1,625.43 $1,886.01 $639.63 $0.00 Overhead 20.90% $820.19 $91.13 $285.48 $331.24 $112.34 $0.00 Gen & Admin 32.60% $1,279.34 $142.15 $445.29 $516.67 $175.23 $0.00

Total Labor $10,693.81 $1,188.21 $3,722.10 $4,318.80 $1,464.70 $0.00

Other Direct Costs $196.22 $21.80 $68.30 $79.24 $26.88 $0.00 Travel

Vehicle Rental $194.00 $97.00 $97.00 $0.00 $0.00 Mileage Costs $0.00 $0.00 $0.00 $0.00 $0.00 Air Fare $0.00 $0.00 $0.00 $0.00 $0.00 Per diem + Hotel $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $194.00 $97.00 $97.00 $0.00 $0.00

Subcontractor (Equipment Procurement) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor Subtotal $0.00 $0.00 $0.00 $0.00 $0.00 Procurement Fee $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor (Services Procurement) Drilling (Conventional) $0.00 $0.00 $0.00 $0.00 $0.00 Drilling (Non-conventional) $0.00 $0.00 $0.00 $0.00 $0.00 Mobile Laboratory $0.00 $0.00 $0.00 $0.00 $0.00 Surveying $0.00 $0.00 $0.00 $0.00 $0.00

IDW $100.00 $100.00 $0.00 $0.00 $0.00

Utilities $0.00 $0.00 $0.00 $0.00 $0.00

$0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor Subtotal $100.00 $100.00 $0.00 $0.00 $0.00 Handling Fee $10.00 $10.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $110.00 $110.00 $0.00 $0.00 $0.00

Laboratory Analytical Costs $594.00 $198.00 $396.00 $0.00 $0.00 Fast Turnaround Charges $0.00 $0.00 $0.00 $0.00 $0.00 Sample Shipping $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $594.00 $198.00 $396.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 $0.00 Expendables $65.00 $32.50 $32.50 $0.00 $0.00 Equipment (Drilling related) $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $417.10 $208.55 $208.55 $0.00 $0.00 Equipment (IDW related) $58.20 $58.20 $0.00 $0.00 $0.00 Equipment (Other) $0.00 $0.00 $0.00 $0.00 $0.00 Total Field Expenses $540.30 $299.25 $241.05 $0.00 $0.00

Subtotal $12,328.33 $1,210.01 $4,494.65 $5,132.09 $1,491.58 $0.00 Completion Fee $1,069.37 $118.81 $372.21 $431.88 $146.47 $0.00

Total Estimated Cost $13,397.70 $1,328.82 $4,866.86 $5,563.97 $1,638.05 $0.00

Total Page 1 of 12 DC010J TACO #1 est.xlsx

FDEP COST ESTI MATE

SITE : Carriage Cleaners

SUBTASK:

DATE: May 12, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 2

Engineer/Scientist 4 G. Roberts

Engineer/Scientist 2 K. Howard

Engineer/Scientist 1 J. Harris

Designer 2 S. Ferianc 2 Tech Publications Specialist 2 H. Vining 2

TOTAL LABOR 32

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 1 $32.50 Shallow GW Sampling Kit $208.55 day 1 $208.55 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 1 $58.20

TOTAL EQUIPMENT: $299.25

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 1 $97.00

TOTAL VEHICLE: $97.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 2 1 $198.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $198.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 1 $100.00

TOTAL SUB: $100.00

2-Annual Sampling

Technical Review of Annual Report, Update Recommendations (2 hrs) Preparation of shallow GW Flow Map, Analytical Summary and Plume Maps (2 hrs). Update of GW Elevation, Analytical Summary Tables (2 hrs), Letter Report Text and Preparation of Recommendations and conclusions (9 hrs). CD/Database Tables Update, ADaPT Laboratory Data Check (2 hrs) Travel Preparation and Mobilization (1 hr), Round trip travel to site (2 hrs). Collect Depth to Groundwater Measurements from all wells (3 hrs). Purge and sample two wells (2 hrs). Prepare chain of custody preparation, purge water handling, sample packaging (2 hrs), sample delivery (1 hr) Drafting GW Flow and Analytical Results Maps Report Document Production Notes: Collect GW samples from shallow monitoring wells MW007 and MW011. Collect water levels from MW001-MW011 (on site) and from offsite Shell Station wells MW-11, MW-13, MW-16, DW-6, DW-7 and DW-8.

2-Total Page 2 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: May 12, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 2

Engineer/Scientist 4 G. Roberts

Engineer/Scientist 2 K. Howard

Engineer/Scientist 1 J. Harris Designer 2 S. Ferianc 2 Tech Publications Specialist 2 H. Vining 2

TOTAL LABOR 35

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 1 $32.50 Shallow GW Sampling Kit $208.55 day 1 $208.55 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $241.05

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 1 $97.00

TOTAL VEHICLE: $97.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 5 1 $396.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $396.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

Drafting GW Flow and Analytical Results Maps Report Document Production

Notes: Collect GW samples from shallow monitoring wells MW001, MW007 and MW011, and deep wells MW010 and MW011. Collect water levels from MW001-MW011 (on site) and from offsite Shell Station wells MW-11, MW-13, MW-16, DW-6, DW-7 and DW-8.

Travel Preparation and Mobilization (1 hr), Round trip travel to site (2 hrs). Collect Depth to Groundwater Measurements from all wells (3 hrs). Purge and sample five wells (5 hrs). Prepare chain of custody preparation, purge water handling, sample packaging (2 hrs), sample delivery (1 hr).

3-Quarterly Sampling (Q1)

Technical Review of Quarterly Report and Recommendations (2 hrs) Preparation of shallow GW Flow Map, Analytical Summary and Plume Maps (2 hrs). Update of GW Elevation, Analytical Summary Tables (2 hrs), Quarterly Letter Report Text and Preparation of Recommendations and conclusions (9 hrs). CD/Database Tables Update, ADaPT Laboratory Data Check (2 hrs).

3-Total Page 3 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: February 06, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer

Engineer/Scientist 4 G. Roberts

Engineer/Scientist 2 K. Howard Engineer/Scientist 1 J. Harris Designer 2 S. Ferianc 2 Tech Publications Specialist 2 H. Vining

TOTAL LABOR 10

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 0 $0.00 Shallow GW Sampling Kit $208.55 day 0 $0.00 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $0.00

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 0 $0.00

TOTAL VEHICLE: $0.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 0 0 $0.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

Updating Soil and Boundary Figures

4-SRCR Report

Additional Reporting for SCTL, Incorporation of Soil Tables and Figures, including and SPLP data, NFA Proposal including Rule References, Professional Certification Statement, Monitoring Well Abandonment Recommendations, SRCR Conculusions and Recommendations.

4-Total Page 4 of 12 DC010J TACO #1 est.xlsx

Contractor: Aptim Environmental & Infrastructure, LLC

Date: 5/12/2020

Task #: HW554-DC010J TACO #1 SubTask 1 Project Management

Site: Carriage Cleaners SubTask 2 2-Annual Sampling

Activity/Phase: Annual Sampling SubTask 3 3-Quarterly Sampling (Q1)

Project Manager: Eric Kramer SubTask 4 4-SRCR Report

SubTask 5

Totals 1 2 3 4 5 Labor Rate Category

$61.78 Client Program Manager 1 E. Kramer 4 4.2 $61.78 Engineer/Scientist 5 E. Kramer 2 0 2 0 0 $59.42 Engineer/Scientist 4 G. Roberts 23 0 15 8 0 $32.77 Engineer/Scientist 2 K. Howard 14 0 14 0 0 $21.80 Engineer/Scientist 1 J. Harris -2 -2 0 0 0 $31.07 Designer 2 S. Ferianc 4 0 2 2 0 $24.55 Tech Publications Specialist 2 H. Vining 2 0 2 0 0

0 0 0 0 0

Total Hours 47 4 -2 35 10 0

Direct Labor $2,338.63 $259.85 ($43.60) $1,584.88 $537.50 $0.00

Fringe 119.00% $2,782.98 $309.22 ($51.88) $1,886.01 $639.63 $0.00 Overhead 20.90% $488.78 $54.31 ($9.11) $331.24 $112.34 $0.00 Gen & Admin 32.60% $762.40 $84.71 ($14.21) $516.67 $175.23 $0.00

Total Labor $6,372.79 $708.09 ($118.80) $4,318.80 $1,464.70 $0.00

Other Direct Costs $116.93 $12.99 ($2.18) $79.24 $26.88 $0.00 Travel

Vehicle Rental $97.00 $0.00 $97.00 $0.00 $0.00 Mileage Costs $0.00 $0.00 $0.00 $0.00 $0.00 Air Fare $0.00 $0.00 $0.00 $0.00 $0.00 Per diem + Hotel $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $97.00 $0.00 $97.00 $0.00 $0.00

Subcontractor (Equipment Procurement) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor Subtotal $0.00 $0.00 $0.00 $0.00 $0.00 Procurement Fee $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor (Services Procurement) Drilling (Conventional) $0.00 $0.00 $0.00 $0.00 $0.00 Drilling (Non-conventional) $0.00 $0.00 $0.00 $0.00 $0.00 Mobile Laboratory $0.00 $0.00 $0.00 $0.00 $0.00 Surveying $0.00 $0.00 $0.00 $0.00 $0.00

IDW $0.00 $0.00 $0.00 $0.00 $0.00

Utilities $0.00 $0.00 $0.00 $0.00 $0.00

$0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor Subtotal $0.00 $0.00 $0.00 $0.00 $0.00 Handling Fee $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $0.00 $0.00 $0.00 $0.00 $0.00

Laboratory Analytical Costs $264.00 ($132.00) $396.00 $0.00 $0.00 Fast Turnaround Charges $0.00 $0.00 $0.00 $0.00 $0.00 Sample Shipping $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $264.00 ($132.00) $396.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 $0.00 Expendables $32.50 $0.00 $32.50 $0.00 $0.00 Equipment (Drilling related) $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $208.55 $0.00 $208.55 $0.00 $0.00 Equipment (IDW related) $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Other) $0.00 $0.00 $0.00 $0.00 $0.00 Total Field Expenses $241.05 $0.00 $241.05 $0.00 $0.00

Subtotal $7,091.77 $721.08 ($252.98) $5,132.09 $1,491.58 $0.00 Completion Fee $637.27 $70.80 ($11.88) $431.88 $146.47 $0.00

Total Estimated Cost $7,729.04 $791.88 ($264.86) $5,563.97 $1,638.05 $0.00

Delta Page 5 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: May 12, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer Engineer/Scientist 4 G. Roberts Engineer/Scientist 2 K. Howard Engineer/Scientist 1 J. Harris -2 Designer 2 S. Ferianc Tech Publications Specialist 2 H. Vining

TOTAL LABOR -2

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 0 $0.00 Shallow GW Sampling Kit $208.55 day 0 $0.00 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $0.00

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 0 $0.00

TOTAL VEHICLE: $0.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 -2 0 ($132.00) EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: ($132.00)

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

2-Annual Sampling

Remove Purge and sample two wells (2 hrs).

2-Delta Page 6 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: May 12, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 2

Engineer/Scientist 4 G. Roberts

Engineer/Scientist 2 K. Howard

Engineer/Scientist 1 J. Harris Designer 2 S. Ferianc 2 Tech Publications Specialist 2 H. Vining 2

TOTAL LABOR 35

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 1 $32.50 Shallow GW Sampling Kit $208.55 day 1 $208.55 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $241.05

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 1 $97.00

TOTAL VEHICLE: $97.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 5 1 $396.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $396.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

Drafting GW Flow and Analytical Results Maps Report Document Production

Notes: Collect GW samples from shallow monitoring wells MW001, MW007 and MW011, and deep wells MW010 and MW011. Collect water levels from MW001-MW011 (on site) and from offsite Shell Station wells MW-11, MW-13, MW-16, DW-6, DW-7 and DW-8.

Travel Preparation and Mobilization (1 hr), Round trip travel to site (2 hrs). Collect Depth to Groundwater Measurements from all wells (3 hrs). Purge and sample five wells (5 hrs). Prepare chain of custody preparation, purge water handling, sample packaging (2 hrs), sample delivery (1 hr).

3-Quarterly Sampling (Q1)

Technical Review of Quarterly Report and Recommendations (2 hrs) Preparation of shallow GW Flow Map, Analytical Summary and Plume Maps (2 hrs). Update of GW Elevation, Analytical Summary Tables (2 hrs), Quarterly Letter Report Text and Preparation of Recommendations and conclusions (9 hrs). CD/Database Tables Update, ADaPT Laboratory Data Check (2 hrs).

3-Delta Page 7 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: February 06, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer

Engineer/Scientist 4 G. Roberts

Engineer/Scientist 2 K. Howard Engineer/Scientist 1 J. Harris Designer 2 S. Ferianc 2 Tech Publications Specialist 2 H. Vining

TOTAL LABOR 10

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 0 $0.00 Shallow GW Sampling Kit $208.55 day 0 $0.00 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $0.00

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 0 $0.00

TOTAL VEHICLE: $0.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 0 0 $0.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

Updating Soil and Boundary Figures

4-SRCR Report

Additional Reporting for SCTL, Incorporation of Soil Tables and Figures, including and SPLP data, NFA Proposal including Rule References, Professional Certification Statement, Monitoring Well Abandonment Recommendations, SRCR Conculusions and Recommendations.

4-Delta Page 8 of 12 DC010J TACO #1 est.xlsx

Contractor: Aptim Environmental & Infrastructure LLC

Date: 2/6/2020

Task #: HW554-DC010J SubTask 1 Project Management

Site: Carriage Cleaners SubTask 2 2-Annual Sampling

Activity/Phase: Annual Sampling SubTask 3 3-Quarterly Sampling (Q1)

Project Manager: Eric Kramer SubTask 4 4-SRCR Report

SubTask 5

Totals 1 2 3 4 5 Labor Rate Category

$61.78 Client Program Manager E. Kramer 3 2.9 $61.78 Engineer/Scientist 5 E. Kramer 2 2 0 0 0 $59.42 Engineer/Scientist 4 G. Roberts 15 15 0 0 0 $32.77 Engineer/Scientist 2 K. Howard 0 0 0 0 0 $21.80 Engineer/Scientist 1 J. Harris 13 13 0 0 0 $31.07 Designer 2 S. Ferianc 2 2 0 0 0 $24.55 Tech Publications Specialis H. Vining 2 2 0 0 0

0 0 0 0 0 Total Hours 37 3 34 0 0 0

Direct Labor $1,585.69 $176.19 $1,409.50 $0.00 $0.00 $0.00

Fringe 119.00% $1,886.98 $209.67 $1,677.31 $0.00 $0.00 $0.00 Overhead 20.90% $331.41 $36.82 $294.59 $0.00 $0.00 $0.00 Gen & Admin 32.60% $516.94 $57.44 $459.50 $0.00 $0.00 $0.00

Total Labor $4,321.02 $480.12 $3,840.90 $0.00 $0.00 $0.00

Other Direct Costs $79.29 $8.81 $70.48 $0.00 $0.00 $0.00

Travel Vehicle Rental $97.00 $97.00 $0.00 $0.00 $0.00 Mileage Costs $0.00 $0.00 $0.00 $0.00 $0.00 Air Fare $0.00 $0.00 $0.00 $0.00 $0.00 Per diem + Hotel $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $97.00 $97.00 $0.00 $0.00 $0.00 (Equipment Procurement)

Subcontractor $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor Subtotal $0.00 $0.00 $0.00 $0.00 $0.00 Procurement Fee $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $0.00 $0.00 $0.00 $0.00 $0.00 (Services Procurement)

Subcontractor Drilling (Conventional) $0.00 $0.00 $0.00 $0.00 $0.00 Drilling (Non-conventional) $0.00 $0.00 $0.00 $0.00 $0.00 Mobile Laboratory $0.00 $0.00 $0.00 $0.00 $0.00 Surveying $0.00 $0.00 $0.00 $0.00 $0.00

IDW $100.00 $100.00 $0.00 $0.00 $0.00

Utilities $0.00 $0.00 $0.00 $0.00 $0.00

$0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor Subtotal $100.00 $100.00 $0.00 $0.00 $0.00 Handling Fee $10.00 $10.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $110.00 $110.00 $0.00 $0.00 $0.00

Laboratory Analytical Costs $330.00 $330.00 $0.00 $0.00 $0.00

Fast Turnaround Charges $0.00 $0.00 $0.00 $0.00 $0.00 Sample Shipping $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $330.00 $330.00 $0.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 $0.00

Expendables $32.50 $32.50 $0.00 $0.00 $0.00 Equipment (Drilling related) $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $208.55 $208.55 $0.00 $0.00 $0.00 Equipment (IDW related) $58.20 $58.20 $0.00 $0.00 $0.00 Equipment (Other) $0.00 $0.00 $0.00 $0.00 $0.00 Total Field Expenses $299.25 $299.25 $0.00 $0.00 $0.00

$5,236.56 $488.93 $4,747.63 $0.00 $0.00 $0.00 Subtotal $432.10 $48.01 $384.09 $0.00 $0.00 $0.00 Completion Fee

Total Estimated Cost $5,668.66 $536.94 $5,131.72 $0.00 $0.00 $0.00

Cost Estimate Page 9 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: February 06, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 2

Engineer/Scientist 4 G. Roberts

Engineer/Scientist 2 K. Howard

Engineer/Scientist 1 J. Harris

Designer 2 S. Ferianc 2 Tech Publications Specialist 2 H. Vining 2

TOTAL LABOR 34

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 1 $32.50 Shallow GW Sampling Kit $208.55 day 1 $208.55 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 1 $58.20

TOTAL EQUIPMENT: $299.25

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 1 $97.00

TOTAL VEHICLE: $97.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 4 1 $330.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $330.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 1 $100.00

TOTAL SUB: $100.00

Notes: Collect GW samples from shallow monitoring wells MW001, MW007, and MW011 and deep well MW008. Collect water levels from MW001-MW011 (on site) and from offsite Shell Station wells MW-11, MW-13, MW-16, DW-6, DW-7 and DW-8.

2-Annual Sampling

Technical Review of Annual Report, Update Recommendations (2 hrs) Preparation of shallow GW Flow Map, Analytical Summary and Plume Maps (2 hrs). Update of GW Elevation, Analytical Summary Tables (2 hrs), Letter Report Text and Preparation of Recommendations and conclusions (9 hrs). CD/Database Tables Update, ADaPT Laboratory Data Check (2 hrs).

Drafting GW Flow and Analytical Results Maps Report Document Production

Travel Preparation and Mobilization (1 hr), Round trip travel to site (2 hrs). Collect Depth to Groundwater Measurements from all wells (3 hrs). Purge and sample four wells (4 hrs). Prepare chain of custody preparation, purge water handling, sample packaging (2 hrs), sample delivery (1 hr).

2-AnnualGW Page 10 of 12 DC010J TACO #1 est.xlsx

SUBTASK:

DATE: February 06, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer Engineer/Scientist 4 G. Roberts Engineer/Scientist 2 K. Howard Engineer/Scientist 1 J. Harris Designer 2 S. Ferianc Tech Publications Specialist 2 H. Vining

TOTAL LABOR 0

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 0 $0.00 Shallow GW Sampling Kit $208.55 day 0 $0.00 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $0.00

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 0 $0.00

TOTAL VEHICLE: $0.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 0 0 $0.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

3-Quarterly Sampling (Q1)

3-Quarter1GWSampling Page 11 of 12 DC010J TACO #1 est.xlsx

LEVEL OF EFFORT / EXPENSE WORKSHEET

SUBTASK:

DATE: February 06, 2020

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer Engineer/Scientist 4 G. Roberts Engineer/Scientist 2 K. Howard Engineer/Scientist 1 J. Harris Designer 2 S. Ferianc Tech Publications Specialist 2 H. Vining

TOTAL LABOR 0

EQUIPMENT ITEM RATE UNIT USAGE

Expendables $32.50 Day 0 $0.00 Shallow GW Sampling Kit $208.55 day 0 $0.00 Deep Groundwater Sampling Kit $349.20 Day 0 $0.00 Water Level Indicator $19.40 Day 0 $0.00 Diffusion Sampler (2" well) $22.35 each 0 $0.00 Diffusion Sampler Kit $28.15 each 0 $0.00 Diffusion Sampler Well Cap $12.65 each 0 $0.00 Well Cap, 2" $10.20 each 0 $0.00 Well Locks $3.40 each 0 $0.00 HDPE Tubing $0.25 foot 0 $0.00 55-gallon Drum $58.20 each 0 $0.00

TOTAL EQUIPMENT: $0.00

VEHICLE TYPE RATE UNIT USAGE

Automobile $68.00 Day 0 $0.00 Van or Truck $97.00 Day 0 $0.00

TOTAL VEHICLE: $0.00

PER DIEM STAFF RATE UNIT USAGE

Hotel $99.00 Day 0 $0.00 Day One leave before 06:00 AM $36.00 Day 0 $0.00 Day One Leave Between 6:00 - Noon $30.00 Day 0 $0.00 Day One leave before 6:00 PM $19.00 Day 0 $0.00 Day $36.00 Day 0 $0.00 Return Day $80.00 Day 0 $0.00

TOTAL PER DIEM: $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 8260 (Halos Only) $66.00 0 0 $0.00 EPA Method 8260 (Volatiles) $135.00 0 0 $0.00 Sample Shipping (Small cooler) $63.00 0 $0.00 Sample Shipping (large cooler) $104.00 0 $0.00

TOTAL LAB: $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE Rate UNIT USAGE TOTALS

Misc. Supplies Home Depot/Lowes/Equivilent $50.00 Lump 0 $0.00 Erwin Remediation IDW Transportation and Disposal $100.00 each 0 $0.00

TOTAL SUB: $0.00

4-SRCR Report

4-SRCR Rpt Page 12 of 12 DC010J TACO #1 est.xlsx

Proposed Scope of Work Annual Sampling Carriage Cleaners Task Assignment DC010J TACO #1 ERIC_5463 (Former Facility ID No. 599500647) Aptim Environmental & Infrastructure, Inc. (APTIM) 5/12/2020

The Scope of Work forDC010J Task Assignment Change Order (TACO) #1 was prepared to reconcile Subtask 2 and incorporate an additional quarterly groundwater sampling event (Subtask 3) and possible preparation of a Site Rehabilitation Completion Report (Subtask 4) based on the analytical results.

Subtask 2 – Annual Sampling:

The original scope approved by the FDEP included the collection of four (4) groundwater samples from three shallow wells (MW001, MW007 and MW011) and deep well MW008.

The scope of work was revised during a site review meeting in Tallahassee with the FDEP on February 20, 2020, which eliminated the sampling of shallow monitoring well MW001 and deep well MW008. The removal of MW001 and MW008 was based on the analytical results for both wells being below the FDEP Groundwater Cleanup Target Levels (GCTLs) specified in Chapter 62-777, Florida Administrative Code (F.A.C.), Table I, for each compound for the past two or more groundwater sampling events.

Subtask 2 removes the labor costs for the collection of the groundwater samples and associated costs of the laboratory analytical.

Subtask 3 – Quarterly Sampling:

Based on the results of the annual groundwater sampling, it was recommended that additional samples be collected 90 days after the collection of the annual samples, or after June 21, 2020. The FDEP recommended the collection of five (5) groundwater samples from three shallow monitoring wells (MW001, MW007 and MW011) and deep monitoring wells MW008 and MW010. The groundwater samples will be submitted for analysis by EPA Method 8260 (halocarbons only). The proposed scope of work also includes the measurement of depth-to-groundwater from 17 monitoring wells, including MW001-MW011 (on site) and offsite Shell Station wells MW-11, MW-13, MW-16, DW-6, DW-7 and DW-8 (if accessible). The results will be summarized in a Quarterly Groundwater Sampling Report. The letter report will include the groundwater elevation and analytical results in Tables, Figures and Text including conclusions and recommendations for additional activities at the site.

Subtask 4 – SRCR Reporting:

If the groundwater analytical results are favorable and below the GCTLs for the target analytes, the reporting will be restructured to include additional historical soil tables, figures and additional text in justification for a No Further Action proposal in accordance with Chapter 62-780, F.A.C. The reporting will be increased to include the requirements for a Site Rehabilitation Completion Report, thereby incorporating the additional components required for site closure, including institutional controls, rule compliance references to demonstrate current site conditions justify a NFA proposal.

APTIM recommends the following schedule:

Description Due Date

Collection of GW Samples 6/23/2020

Submit Letter Report 7/31/2020

Submit GIS/Data Base Update 7/31/2020

Task Expiration Date 10/2/2020

APTIM proposes to perform this scope of work in accordance with the terms and conditions of the Contract between the Florida Department of Environmental Protection and APTIM dated February 16, 2011 (DEP Contract No. HW554). APTIM will begin the proposed scope of work upon issuance of the Task Assignment Notification.

If you have any questions, please do not hesitate to call.

Total
2-Total
3-Total
4-Total
Delta
2-Delta
3-Delta
4-Delta
Cost Estimate
2-AnnualGW
3-Quarter1GWSampling
4-SRCR Rpt

File details come from the government source that posted it. Updated .