HomeMy WebLinkAboutAgenda Report - November 20, 2013 C-09AGENDA ITEM coot
CITY OF LODI
COUNCIL COMMUNICATION4<�FOR
AGENDA TITLE: Adopt Resolution Authorizing City Manager to Execute Task Order No. 26 of the
Master Professional Services Agreement for PCE/TCE Cleanup with Treadwell &
Rollo, a Langan Company, of San Francisco ($59,700) and Appropriating Funds
($80,000)
MEETING DATE:
PREPARED BY:
November 20, 2013
Public Works Director
RECOMMENDED ACTION: Adopt resolution authorizing City Manager to execute Task Order
No. 26 of the Master Professional Services Agreement for PCE/TCE
Cleanup with Treadwell & Rollo, a Langan Company, of
San Francisco, in the amount of $59,700, and appropriating funds in the amount of $80,000.
BACKGROUND INFORMATION: The City of Lodi is responsible for the cleanup and monitoring of
volatile organic carbon compounds (primarily PCE/TCE) in the four
areas referred to as the Central, Southern, Western and Northern
Plumes. For three years, the City has been operating soil vapor extraction and groundwater extraction
wells and treatment facilities in the block bounded by Pine Street, Church Street, Oak Street, and
Pleasant Avenue. After discussions with Central Valley Regional Water Quality Control Board (Board)
staff regarding the operations of these facilities, the City has been requested to submit a Work Plan for
the phased closure of these facilities. In addition, the Work Plan will present a strategy to remediate the
downgradient groundwater contamination that has moved beyond the Central Plume Source Area. We
expect this will consist of one new groundwater extraction well with the pumped water being treated and
disposed at the existing treatment site. The Work Plan will also identify the preferred location for a new
groundwater monitoring well in the Northern Plume area.
Recently, Treadwell & Rollo performed an update to the Lodi Groundwater Model by adding new data for
the Central Plume and historic and new data for the Southern, Western and Northern plumes. The model
simulates the migration of the plumes under various City groundwater well field pumping scenarios. This
model will be used to site the new Central Plume groundwater extraction well, as well as a new Northern
Plume monitoring well. As with the Southern and Western plumes, we strive to demonstrate to the Board
that monitoring natural attenuation is an appropriate action in the Northern Plume area.
Task Order No. 26 will draw upon the expertise and experience of Treadwell & Rollo to develop the work
plans for the shutdown of the Central Plume source area groundwater extraction and treatment system
and soil vapor extraction system, the installation of a new Central Plume extraction well, and the
evaluation of the extent of the Northern Plume. Task Order No. 26 is provided in Attachment A. Staff
recommends approval and the appropriation of $80,000.
FISCAL IMPACT: None.
Konradt Bartlam, City Manager
K:\W P\PROJECTS\WATER\PC E,TCE\CTRTask26.doc
11/8/2013
Adopt Resolution Authorizing City Manager to Execute Task Order No. 26 of the Master Professional
Services Agreement for PCE/TCE Cleanup with Treadwell & Rollo, a Langan Company, of San Francisco
($59,700) and Appropriating Funds ($80,000)
November 20, 2013
Page 2
FUNDING AVAILABLE: Requested Appropriation: PCE/TCE Rates (185) — $80,000
Jordan Ayers
Deputy City Manager/Internal Services Director
F. kNVally Sa6helin
Public Works Director
FWS/pmf
Attachment
K:\WP\PROJECTS\WATER\PCE,TCE\CTRTask26.doc 11/8/2013
ThkidweIEMlo
A LANSAN COMPANY
8 November 2013
Mr. Wally Sandelin
Director — City of Lodi Public Works Department
P.O. Box 3006
Lodi, CA 95241-1910
Technical Excellence
Practical Experience
Client Responsiveness
Subject: Proposed Scope of Work for Preparation of Work Plans and Program Management for
the Central Plume Source Area System Closure and Northern Plume Monitoring
Task Order No. 26
City of Lodi, California
Dear Mr. Sandelin,
As requested by the City of Lodi (City) in an email dated October 28, 2013, Treadwell & Rollo, a Langan
company, has prepared the following Scope of Work (SOW) to develop the work plans and manage tasks
associated with the following:
1. Shutdown of the Central Plume (CP) source area groundwater extraction and treatment
system (GWETS) and soil vapor extraction (SVE) system;
2. Installation and operation of a new extraction well south of the CP source area and
connected to the current GWETS to hydraulically contain, capture, and remediate the
middle portion of the CP; and,
3. Obtain the Regional Water Quality Control Board (Water Board) approval for location of
the proposed Northern Plume monitoring well.
Task 26a - The work plan for the shutdown of the CPsource area SVE and GWET systems will assess the
performance of the two systems in remediating the source area, and provide a step-by-step plan that will
satisfy the requirements of the Water Board to attain closure of the two systems. We will evaluate
options for full and phased shutdowns, and cycling of the SVE system, as needed. We anticipate that the
Water Board will require the collection of soil gas samples from new locations in and around the CP
source area, and will include this sampling in the work plan.
Task 26b - This Task will include providing management and oversight during the closure activities
associated with the SVE and GWET systems. Treadwell & Rollo will provide direction to the operator
during the implementation of the closure activities for a phased or full shutdown of both the SVE and
GWET systems. We have provided an estimate of potential costs associated with the collection and
analysis of soil gas and groundwater samples needed to confirm the completeness of the remediation
activities, assuming two days of field time to collect 6 soil gas samples. Following completion of the
closure activities, Treadwell & Rollo will prepare a Final Closure Report for the CP source area
remediation systems. Treadwell & Rollo will also discuss the results with the Water Board and provide
assistance to the City to obtain the approval of the Water Board for the closure activities.
Task 26c - The work plan for addressing the down -gradient groundwater contamination that has moved
beyond the Central Plume source area remediation system capture zone will include the determination of
the location of one extraction well, evaluation of the soil log to determine screen locations and optimizing
the extraction rate of the well such that it can attain appropriate capture. Treadwell and Rollo proposes
555 Montgomery Street, Suite 1300 San Francisco, GA 94111 T 415.955.5200 F: 415.955.5201 www.iangan.com
California • New Jersey • New York • Virginia • Pennsylvania • Connecticut • Florida • Abu Dhabi • Athens • Doha • Dubai • Istanbul
Proposed Scope of Work for Preparation of Work Plans and Program Management 8 November 2013
for the Central Plume Source Area System Closure & Assessment of Northern Plume Page 2 of
Extent and Monitoring
Task Order 26
City of Lodi, California
to use the modified City of Lodi transient groundwater flow and contaminant transport model (Model) to
meet the objectives of this task.
Task 26d—A memorandum summarizing the Northern Plume hydrogeology and the proposed location of
the NP monitoring point will be prepared and presented to the Water Board for their approval.
Task 26d—As part of the Northern Plume monitoring well construction activities, Treadwell & Rollo will
provide ongoing consultation on the location of the monitoring well screen intervals in conjunction with
the Water Board. Costs associated with preparation of NP monitoring well installation work plan, well
installation costs, and a report documenting final well installation activities are not included in this Task.
Task 26f—Following completion of all the modeling activities, a follow-up meeting with the Water Board
will be conducted to present the long-term plan for monitoring the NP.
PROPOSEDSCHEDULE
We are prepared to start work immediately. Task 26a can be completed with 30 days of notice to
proceed, and Task 26c with 45 days.Task 26d will be completed within 60 days of notice to proceed.
Remaining task schedules will be determined after discussion with the Water Board and the City.
COSTSUMMARY
We propose to perform the work on a time -and -expense basis in accordance with the terms of our City
of Lodi Professional Services Agreement. We have estimated the following costs for Tasks 26a through
26e:
Tasks
Task26a—Preparation of Work Plan for Closure of Source
Area SVE and GWET Systems..........................................................................
Task26b— Management of Closure of SVE & GWET Systems
and Estimated Sol Gas Confirmation Sampling.......................................................
Task26c— Preparation of Work Plan for Installation of
Central Plume Extraction Well..............................................................................
Task26d—Northern Plume Technical Memorandum/Presentation .........................
Task26e—Management of Northern Plume Monitoring Well Activities ....................
Budget
$12,800
24,300
9,400
5,600
4,000
Task26f— Meetings (1 meeting)............................................................................ 3,600
TOTAL ESTIMATED COSTS .......................................... $59,700
ThNKWKRDW
ALANGAN COMPANY
Proposed Scope of Work for Preparation of Work Plans and Program Management 8November 2013
for the Central Plume Source Area System Closure & Assessment of Northern Plume Page 3 of 3
Extent and Monitoring
Task Order 26
City of Lod! California
We appreciate the opportunity to assist the City of Lodi. Please contact Mr. Oberoi at (415) 424-3009 or
Mr. Smith at 415-955-5249 if you need any further information.
Sincerely,
Treadwell & Rollo, A Langan Company
f '
Varinder S. Oberoi, PE
Principal Hydrologist
Konradt Bartlam
City Manager
Randi Johl-Olson
City Clerk
730377937.02 PGS—Proposal
Philip G. Smith, REA II
Executive Vice President
D. -:R ...
City Attorney
Date
A LANBAN COMPANY
1. AA#
2. JV#
.re_ ; ' t 1 r . r r ��i'.' i ���Mv�l ♦ f i ��Jy�s4fSl�1.'-
�•�J�� •.� ,l ` S �L`�b�L'E 4. ��i � �li � � h .Z��" �*,�•i ';YN t•, I
.RjrAtl�iT�!1:4I1 i ,'SII' 111�EIT�;R�JES►�;T r;+� Ga ,y%��
TO: Internal Services Dept. - Budget Division
3. FROM: IRebecca Areida-Yadav 15. DATE: 11/5/2013
4. DEPARTMENT/DIVISION: Public Works
$aREQUESTsAD:USTNIENO
PR +.- -LSD•1121.�- -.,"NFti:�" � Y�.77TP,%r4
FUND # BUS. UNIT # IACCOUNT# ACCOUNT TITLE AMOUNT
A.
SOURCE OF
FINANCING
185 3205 Fund Balance $ 80 000.00
B.
USE OF
FINANCING
185 185127 7323 Task 26 -Work Plan $ 80 000.00
l REQUEST*ISuMADE: TO FUND THE�FQ-LYQY1l7N,G'PROJElt-'f [fs}7aIN6(01500-N 1FIE GURIiEN. sBtJpCET � 1� ;,
Please provide a description of the project, the total cost of the project, as well as justification for the
requested adjustment. If you need more space, use an additional sheet and attach to this form.
Task Order 26 with Treadwell & Rolloto develop work plans.
If Council has authorized the appropriation adjustment, complete the following:
Meeting Date: Res No: Al Attach copy of resolution to this form.
Department Head Signature: I&LIka I La&4u,
. �. -,, �. ',,w '�tZAPPROYALSIGNATURE ^ = 'v�.,-. _
c<it =L- ti l
City Manager/Internal Services Manager
Submit completed form to the Budget Division with any required documentation.
Final approval will be provided in electronic copy format.
RESOLUTION NO. 2013-202
A RESOLUTION OF THE LODI CITY COUNCIL AUTHORIZING
CITY MANAGER TO EXECUTE TASK ORDER NO. 26 OF
MASTER PROFESSIONAL SERVICES AGREEMENT FOR
PCE/TCE CLEANUP WITH TREADWELL & ROLLO, A LANGAN
COMPANY, AND FURTHER APPROPRIATING FUNDS
---------------------------------=--------------------------------------
------------------------------------------------------------------------
WHEREAS, the City of Lodi is responsible for the cleanup and monitoring of volatile
organic carbon compounds (primarily PCE/TCE) in the four areas referred to as the Central,
Southern, Western, and Northern plumes. For three years, the City has been operating soil
vapor extraction wells and a groundwater extraction well in the block bounded by Pine Street,
Church Street, Oak Street, and Pleasant Avenue; and
WHEREAS, recently, Treadwell & Rollo performed an update to the Lodi Groundwater
Model by adding new data for the Central Plume and historic and new data for the Southern,
Western, and Northern plumes. The model is now being used to simulate the migration of the
plumes under various City groundwater well field pumping scenarios. In addition, the model is
being used to optimize locations for monitoring wells in the Northern Plume area and a
groundwater extraction well in the Central Plume area; and
WHEREAS, staff recommends approval of Task Order No. 26 to develop the work plans
for the shutdown of the Central Plume source area groundwater extraction and treatment
system and soil vapor extraction system, the installation of a new Central Plume extraction well,
and the evaluation of the extent of the Northern Plume.
NOW, THEREFORE, BE IT RESOLVED that the Lodi City Council does hereby
authorize the City Manager to execute Task Order No. 26 of the Master Professional Services
Agreement for PCE/TCE Cleanup with Treadwell & Rollo, a Langan Company, of
San Francisco, California, in the amount of $59,700; and
BE IT FURTHER RESOLVED that funds in the amount of $80,000 be appropriated from
the PCE/TCE Rates Fund.
Dated: November 20, 2013
----------------------------------
----------------------------------
I hereby certify that Resolution No. 2013-202 was passed and adopted by the City
Council of the City of Lodi in a regular meeting held November 20, 2013, by the following vote:
AYES: COUNCIL MEMBERS — Hansen, Johnson, Katzakian, Mounce, and
Mayor Nakanishi
NOES: COUNCIL MEMBERS — None
ABSENT: COUNCIL MEMBERS — None
ABSTAIN: COUNCIL MEMBERS — Not
2013-202
DLSON