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BUSINESS OF THE CITY COUNCIL
YAKIMA, WASHINGTON
AGENDA STATEM ENT
Item No. 4.F.
For Meeting of:April 20, 2021
ITEM TITLE: Resolution authorizing Supplement 8 to an Agreement with Maul
Foster and Alongi, Inc. for the Tiger Oil Site Interim Remedial
Action Project
SUBMITTED BY: Scott Schafer, Public Works Director
Bill Preston, City Engineer(509) 575-6754
SUMMARY EXPLANATION:
The City of Yakima has been working with the Department of Ecology to clean up the former
Tiger Oil site located at 2312 W. Nob Hill Boulevard since 2014. In 2014, the City used the
Municipal Research Service Center Roster process to select Maul, Foster and Alongi, Inc.
(MFA) to develop the engineering plans, perform inspection services, and perform the
groundwater monitoring required for the eight quarters following the project.
As there is still contamination at the site, the City of Yakima has received a $1,667,222.22 grant,
of which approximately $1.1 million remain, from the Department of Ecology (DOE) to perform post-
remediation actions. As MFA has been performing the environmental engineering required at this site
for the last 6 '/2 years and has a good working relationship with the Department of Ecology, it is in the
best interest of the City to continue working with them to meet the requirements of DOE. The tasks
include:
Task 25 — Project Management 2021 -2022.
Task 26 — Off Property High-Resolution Site Characterization
Task 27 — I ndoor Air and Ambient Air Quality Assessment
Task 28 —2021 to 2022 Semiannual Groundwater Monitoring
Task 29 — Update Site Management Plan
Task 30 — Contingency
The terms of the Supplemental Agreement No. 8 with MFA shall be in an amount not to exceed
$439,343. (See attached Agreement with Exhibit A)
ITEM BUDGETED: Yes
STRATEGIC PRIORITY: Public Safety
2
APPROVED FOR SUBMITTAL BY THE CITY MANAGER
RECOMMENDATION:
Adopt Resolution
ATTACHMENTS:
Description Upload Date Type
D Re5olotion 4'112021 Resolution
D Consultant Supplement 4'1/2021 Contract
3
RESOLUTION NO. 2021 -
A RESOLUTION authorizing Supplemental Agreement No. 8 with Maul, Foster Alongi, Inc.
(MFA) to perform off-property high resolution site characterization, Air
quality assessment, and groundwater monitoring actions at the former
Tiger Oil site located at 2312 West Nob Hill Boulevard
WHEREAS, the Yakima City Council has established that the environmental cleanup and
redevelopment of the former Tiger Oil property at 2312 West Nob Hill Boulevard is both an
"Economic Development" and "Improving the Built Environment" priority; and
WHEREAS,the City of Yakima has previously received grant funding from the Department
of Ecology to aid in the cleanup of this site, and
WHEREAS; the remaining funds associated with the grant is adequate for this work; and
WHEREAS, the City of Yakima followed the procedure established by the State of
Washington Municipal Research and Service Center Professional Services Roster process to
conduct the selection of a firm to prepare the engineering plans required to clean up the site; and
WHEREAS, Maul Foster Alongi, Inc. (MFA) submitted a Statements of Qualifications, and
was determined to be the preferred firm to prepare the plans and oversee the work, and have
shown that they are qualified to perform the work required; and,
WHEREAS, the Scope of Work and Budget included in this supplement meet the needs
and requirements of the City of Yakima for this project; and
WHEREAS, the City Council finds that it is in the best interest of the City of Yakima and
its residents to enter into this supplemental agreement to further cleanup this property, now,
therefore,
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF YAKIMA:
The City Manager is hereby authorized to execute a Supplement No. 8 of the Professional
Services Agreement with Maul Foster Alongi, Inc. (MFA) attached hereto and incorporated herein
by this reference not to exceed Four Hundred Thirty Nine Thousand, Three Hundred and Forty
Three Dollars ($439,3443) to provide the professional services as described in the Supplemental
Agreement.
ADOPTED BY THE CITY COUNCIL this 20'h day of April, 2021.
Patricia Byers, Mayor
ATTEST:
Sonya Claar-Tee, City Clerk
4
Contract Supplemental Agreement
Supplemental Agreement Organization and Address:
Number: 8 Maul Foster and Alongi
1329 N. State Street, Suite 301
Bellingham, WA 98225
Original Contract Number: Execution Date of Supplement:
2014-180 October 10, 2018
City Engineering Project Number: 2389 Completion Date of Supplement:
December 31, 2022
Project Title: Maximum Amount Payable this Supplement:
Former Tiger Oil Site Interim Remedial Action $439,343
Maximum Total Amount Payable for the
Agreement: $1,430,324
Section 1: Supplemental Agreement
The City of Yakima, Washington desires to supplement the contract agreement entered into with Maul
Foster Alongi, Inc, and executed on October 8, 2014 by Resolution No. 2014-121 and identified as
Contract 2014-180. All provisions in the basic contract remain in effect except as expressly modified by
this supplement. The changes to the agreement are described as follows:
Section 2: Scope of Services
The additional task to be performed as part of this Supplemental Contract is to provide post interim action
professional services, which includes:
Task 25—Project Management 2021 -2022
Facilitate ongoing and consistent communication between the Washington State Department of Ecology
(Ecology), the City of Yakima (City), and Maul Foster&Alongi, Inc. (MFA) team to ensure consensus
regarding off-property high-resolution site characterization (HRSC) for the Tiger Oil West Nob Hill
Boulevard Site (Site), data interpretation, remedy approaches, and compliance with the amended consent
decree.
Task 26—Off Property High-Resolution Site Characterization
Evaluate and determine the potential sources, depth, and lateral extent of the halogenated volatile
organic compound (HVOC) dissolved-phase plume inferred upgradient to the west-northwest of the West
Nob Hill Boulevard site (Site) and its pathway to the Site. Evaluate its transport and storage zones and
identify pathways for potential mobility.
Task 27—Indoor Air and Ambient Air Quality Assessment
Evaluate whether indoor air quality of existing buildings adjacent to the former Tiger Oil facility, including
the Xochimilco Mexican Restaurant, Barber HQ, and 1UP Games, has been adversely impacted by the
HVOC-impacted groundwater at the Site.
Task 28—2021 to 2022 Semiannual Groundwater Monitoring
Continue conducting semiannual groundwater monitoring events at the Site to evaluate both the
petroleum hydrocarbon- and HVOC-impacted groundwater and to support decision making regarding
additional actions that may be needed to explore long-term monitored natural attenuation and achieve a
satisfaction of consent decree.
o
Task 28— Update Site enagmmment Plan
Update the draft Site Management Plan (SyNP) due to the confirmed finding of the HVOCa impacted
groundwater at the Site. The purpose of the GMP is to provide guidance for future earthwork,
oonotruction, and operations on the Site to manage risks associated with residual contaminated soil and
groundwater. The updated QK8P will oddnaoa future construction and operations on the Site that could
encounter contaminated soil and groundwater such as exoavation, utility trenohing, and atormwater
management. This updated SK4P oho|| be refenenoed, nevievved, and implemented by the City and its
subcontractors prior to any construction on the Site.
Task 30—Contingency
Provide funding to allow for addition and/or revision of tasks agreed to by Ecology, the City, and yWFA.
ection : ommsens-tion
Payment for this supplemented work will, as shown on Exhibit A is not to exceed $439.343. bringing the
total amount of the Agreement to $1.430.324
If you concur with this supplement and agree to the changes as stated above, please sign the appropriate
opooeo below and return to this office for final action.
�y. Jim Maul, R[�' iH{� ���
�vnxu|�m�|onnmre City Manager
6
MFA Project No.0818.02.01
March 12,2021
EXHIBIT A
REVISED PROPOSED OFF-PROPERTY HIGH-RESOLUTION SITE CHARACTERIZATION,
AIR QUALITY ASSESSMENT,AND
SEMI-ANNUAL GROUNDWATER MONITORING 2021 TO 2022
SCOPE OF WORK
TIGER OIL WEST NOB HILL BOULEVARD SITE, YAKIMA, WASHINGTON
Task 25—Project Management 2021 to 2022
Purpose:
Facilitate ongoing and consistent communication between the Washington State Department of Ecology
(Ecology), the City of Yakima (City), and Maul Foster&Alongi, Inc. (MFA) team to ensure consensus
regarding off-property high-resolution site characterization (HRSC) for the Tiger Oil West Nob Hill
Boulevard Site (Site), data interpretation, remedy approaches, and compliance with the amended consent
decree.
Scope:
MFA will participate in meetings and/or conference calls with Ecology, the City, and City-identified
individuals, as appropriate, and will schedule and coordinate with MFA staff, Ecology, the City, and other
appropriate parties to complete this scope of work. This task includes participation in monthly project
status conference calls; periodic face-to-face meetings; quarterly project progress reporting; budget
management and invoicing; and responding to City and/or Ecology communications related to invoicing,
budget tracking, and other requests.
Assumptions:
• Up to three project status meetings will be held in the Yakima area.
• Project status conference calls will be held monthly.
Deliverables:
• Quarterly progress reports (in letter format) for 2021 biennium (four [4]total reports)
Schedule:
• Activities will be conducted throughout the life of the change order associated with this scope of
work.
• Progress reports will be issued quarterly.
Task 26—Off-Property High-Resolution Site Characterization
Purpose:
Evaluate and determine the potential sources, depth, and lateral extent of the halogenated volatile
organic compound (HVOC) dissolved-phase plume inferred upgradient to the west-northwest of the West
Nob Hill Boulevard site (Site) and its pathway to the Site. Evaluate its transport and storage zones and
identify pathways for potential mobility.
1
7
MFA Project No.0818.02.01
March 12,2021
Scope:
MFA will subcontract Columbia Technologies to perform HRSC of the HVOC-impacted dissolved-phase
plume by using the combined membrane interface probe and hydraulic profiling tool subsurface
assessment technologies. Assessment activities will include:
• Assess the suspected sources of HVOC-impacted groundwater using multiple high-resolution
vertical aquifer profiles.
• Assess the possible pathways from the suspected sources to the Site by completing two or more
high-resolution transects across the direction of groundwater flow.
• Evaluate the strata and type of soil and soil permeability in which the source material is resident
within the groundwater regime.
• Evaluate the vertical extent of the impacted groundwater, as much as practicable.
• Identify probable storage and transport zones.
• Identify pathways for the potential mobility of HVOCs.
• Evaluate the hydrogeologic conditions of the unconfined and/or confined aquifer and the
relationship of the air-water interfaces to the residual HVOC-impacted soils/groundwater.
• Confirm the findings of the direct HRSC imaging surveys by measuring the mass of the HVOC
contamination in groundwater at selected depths and locations via collecting targeted discrete
groundwater samples.
• Measure the mass of residual HVOC contamination present in the soil matrix within the saturated
zone via targeted, discrete soil sampling.
• Provide real-time data, information, and updates to Ecology and the City through Columbia
Technologies' Smart Data Solutions.
• Update the conceptual site model.
Schedule:
• Fieldwork is proposed for the second quarter of 2021. The actual schedule is dependent upon the
review and approval from Ecology and the City of the proposed scope of work
• A draft report with investigation findings will be issued within eight to 12 weeks of receipt of final
laboratory analytical results.
Assumptions:
• All proposed subsurface investigation locations (i.e., borings) will be advanced in the City's right-
of-way (ROW) unless access to private properties is needed and granted by property owners.
Refer to the attached Figure.
• The City will assist with coordinating approval of the ROW request.
• Two to three transects of temporary borings will be advanced downgradient to the east-southeast
of the suspected sources of the HVOC-impacted dissolved-phase plume to assess the
hydrostratigraphy and soil permeability, as well as delineate the HVOC-impacted dissolved-phase
contamination distribution upgradient of the Site. Findings from the initial HRSC borings will
inform the locations and depths of subsequent borings for assessment of the HVOC-impacted
groundwater.
• Air knife/vacuum will be conducted at each proposed boring prior to drilling and HRSC activities
due to the anticipated presence of underground utilities (municipal water lines and sanitary sewer
lines) along the streets and ROW(West Nob Hill Boulevard, South 24th Avenue, and South 28th
Avenue). It is anticipated that air knifing will advance to 5 feet below ground surface.
2
8
MFA Project No.0818.02.01
March 12,2021
• Traffic control will be present throughout the off-property HRSC fieldwork.
• An estimate of 10 borings will be advanced to targeted depths of 25 to 40 feet below ground
surface via direct push drilling methodology. It is anticipated that the field phase of this
assessment may take up to six days.
• Laboratory analyses of volatile organic compounds (VOCs) for soil and groundwater samples will
be analyzed on a 48-to 72-hour turnaround time (TAT) to provide supplemental data for field
assessments of the HVOC-impacted dissolved-phase plume.
• Draft revisions will be issued in electronic format; final revisions will be issued in electronic and
hard copy format.
Deliverables:
• Off-property HRSC assessment findings and report (in report format)
Task 27—Indoor Air and Ambient Air Quality Assessment
Purpose:
Evaluate whether indoor air quality of existing buildings adjacent to the former Tiger Oil facility, including
the Xochimilco Mexican Restaurant, Barber HQ, and 1UP Games, has been adversely impacted by the
HVOC-impacted groundwater at the Site.
Scope:
MFA will conduct an indoor air quality evaluation within the Xochimilco Mexican restaurant, Barber HQ,
and 1 UP Games businesses. Vapor assessment activities will be conducted in accordance with Ecology
Publication No. 09-09-047, Guidance for Evaluating Soil Vapor Intrusion in Washington State:
Investigation and Remedial Action, and Ecology Implementation Memorandum No. 22, Vapor Intrusion
Investigations and Short-term Trichloroethene Toxicity.
Schedule:
• Fieldwork depends on the coordination with property owners/business operators; anticipated for
the second quarter of 2021.
• Findings report (draft) will be issued within eight to ten weeks of completion of fieldwork.
Assumptions:
• MFA will lead communications efforts with businesses and property owners.
• The City will assist with coordinating building access.
• Two indoor air quality samples will be collected at each building via individually-certified SUMMA
canisters.
• An ambient air quality sample will be collected using an individually-certified SUM MA canister.
• Laboratory analyses for indoor air and ambient air samples will include gasoline-range total
petroleum hydrocarbons, VOCs, and naphthalenes via U.S. Environmental Protection Agency
Method TO-3, TO-15, and TO-17, respectively. Samples will be analyzed on a standard seven-
business-day TAT.
• Draft revisions will be issued in electronic format; final revisions will be issued in electronic and
hard copy format.
3
9
MFA Project No.0818.02.01
March 12,2021
Deliverables:
• Indoor and ambient air quality assessment report (draft and final revisions in technical
memorandum format)
Task 28-2021 to 2022 Semiannual Groundwater Monitoring
Purpose:
Continue conducting semiannual groundwater monitoring events at the Site to evaluate both the
petroleum hydrocarbon- and HVOC-impacted groundwater and to support decision making regarding
additional actions that may be needed to explore long-term monitored natural attenuation and achieve a
satisfaction of consent decree.
Scope:
This task includes:
• Perform fieldwork, laboratory analysis, and investigation-derived waste disposal in accordance
with the Groundwater Monitoring Plan with the addition of analysis of VOCs at all monitoring wells
designated within the Site's monitoring well network.
• Complete data validation, interpretation, and reporting following each monitoring event.
Schedule:
• The semiannual monitoring events will be conducted in the months of May and November of
each year.
Assumptions:
• Two (2) monitoring events (semi-annual sampling) will be conducted consistent with the
Groundwater Monitoring Plan.
• Draft revisions will be issued in electronic format; final revisions will be issued in electronic and
hard copy format.
Deliverables:
• Semiannual groundwater monitoring summary reports (two [2]total, provided in letter report
format consistent with prior reports)
Task 29—Update Site Management Plan
Purpose:
Update the draft Site Management Plan (SMP) due to the confirmed finding of the HVOCs impacted
groundwater at the Site. The purpose of the SMP is to provide guidance for future earthwork,
construction, and operations on the Site to manage risks associated with residual contaminated soil and
groundwater. The updated SMP will address future construction and operations on the Site that could
encounter contaminated soil and groundwater such as excavation, utility trenching, and stormwater
management. This updated SMP shall be referenced, reviewed, and implemented by the City and its
subcontractors prior to any construction on the Site.
Scope:
This task includes:
• Incorporate the HVOCs findings into the previously submitted Draft SMP
4
10
MFA Project No.0818.02.01
March 12,2021
• Incorporate comments/edits from Ecology
• Finalize the document.
Assumptions:
• Ecology will review and provide one round of comments on the draft updated SMP
Deliverables:
• The final revisions to the SMP will be issued in electronic format; final revisions will be issued in
electronic and hard copy format.
Task 30—Contingency
Purpose:
Provide funding to allow for addition and/or revision of tasks agreed to by Ecology, the City, and MFA.
Scope:
To be developed by Ecology, the City, and MFA, as warranted.
Schedule:
• Additional activities may be conducted throughout the life of the change order associated with this
scope of work.
Assumptions:
• To be determined.
Deliverables:
• To be determined
5
11
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ESTIMATED BUDGET CHANGE ORDER 08
FORMER TIGER OIL
OFF-PROPERTY HIGH RESOLUTION SITE CHARACTERIZATION,
AIR QUALITY ASSESSMENT, AND
SEMI-ANNUAL GROUNDWATER MOITORING EVENTS 2021 - 2022
2312 WEST NOB HILL BLVD
YAKIMA, WASHINGTON
Maul Foster& Alongi, Inc.
Task Subcontractors Total
Hours Labor Direct
25 Project Management, Project Logistics, Meetings 2021 -2022 90 $15,920 $1,680 $0 $17,600
26 Off-Property High Resolution Site Characterization 386 $66,475 $11,523 $95,048 $173,046
27 Indoor Air and Ambient Air Quality Assessment 106 $18,315 $3,960 $5,750 $28,025
28 2021-2022 Semi-Annual Groundwater Monitoring 686 $99,580 $7,140 $40,201 $146,921
29 Update Site Management Plan 92 $16,285 $160 $0 $16,445
30 Contingency (15%) 0 $0 $0 $0 $57,306
Total Estimated Cost $439,343
R:A0818.02 City of Yakima V Contract V01 2021.03.15 Scope of Work_Exhibit A\Tiger Oil C008 Budget est\Summary Budget for production 3/15/2021