HomeMy WebLinkAboutLarry Walker and Associates, Inc. 2021-10-08; Amendment 1 2023-02-16CITY OF UKIAH
AMENDMENT NO. 1
TO
PROFESSIONAL SERVICES CONTRACT 2122077
BETWEEN
LWA and THE CITY OF UKIAH
This Amendment No. 1, entered on February 16, 2023, revises the Agreement for
Consulting Services related to wastewater, stormwater and recycled water permit support
dated October 8, 2021 between the City of Ukiah and Larry Walker Associates, as
follows.
1. Add additional environmental studies and permitting to the Scope of Work, per
attached Attachment 1.
2. Revising the guaranteed maximum dollar amount by an additional $71,326.00 for
professional consulting services related to permitting for a revised, total contract
amount not-to-exceed $211,326.00
Except as expressly amended by this Amendment, all other terms remain unchanged and
in full force and effect.
IN WITNESS WHEREOF, THE PARTIES HAVE EXECUTED THIS
AMENDMENT ON THE EFFECTIVE DATE:
LWA
BY: DATE:
PRINT NAME:
CITY OF UKIAH
BY: DATE:
SAGE SANGIACOMO, CITY MANAGER
ATTEST
BY: DATE:
KRISTINE LAWLER, CITY CLERK
04 / 04 / 2023
Brian M Laurenson
COU No. 2122-077-A1
Apr 13, 2023
Kristine Lawler (Apr 13, 2023 14:39 PDT)
Kristine Lawler Apr 13, 2023
Page 1 of 4
January 14, 2023
Mr. Sean White
Sewer & Water Director
City of Ukiah
300 Seminary Avenue
Ukiah, CA 95482
SUBJECT: CONTRACT AMENDMENT REQUEST - WASTEWATER,
STORMWATER, AND RECYCLED WATER PERMIT SUPPORT (JANUARY 1 TO
DECEMBER 31, 2023)
Dear Mr. White:
The City of Ukiah (City) has requested continued support from Larry Walker Associates (LWA) to
implement requirements specified in the City’s wastewater, stormwater, and recycled water
permits and compliance orders. The permits and compliance orders are identified and
described below.
Regional Water Board Order No. R1-2018-0035 (NPDES Permit) – Requirements for
operation of the Ukiah Wastewater Treatment Plant (WWTP), monitoring effluent and
recycled water quality, discharge to the percolation ponds, and discharge to the Russian
River. The NPDES permit will be reissued during 2023.
Regional Water Board Time Schedule Order No. R1-2018-0051 (TSO) – Requirements for
compliance with final effluent limits for ammonia, nitrate, dichlorobromomethane, and
chlorodibromomethane.
Regional Water Board Settlement Agreement, Compliance Project Stipulated Order No.
R1-2022-0042 – Requirements to complete a Compliance Project to suspend payment of
Administrative Civil Liability.
State Water Board Order No. 2006-0003-DWQ and Order WQ 2022-0103-DWQ (Sanitary
Sewer System Permits) – Requirements for management of the City’s wastewater
collection system to prevent and report occurrence of Sanitary Sewer Overflows (SSOs).
Order WQ 2022-0103-DWQ replaces Order No. 2006-0003-DWQ and becomes effective
on June 5, 2023.
State Water Board Order No. 2014-0057-DWQ (Stormwater Permit) – Requirements for
managing stormwater runoff associated with activities at the WWTP.
State Water Board Order No. WQ 2016-0068-DDW (Recycled Water Permit) and
Regional Water Board Order No. R1-2018-0058 (Recycled Water Monitoring and
Reporting Program, MRP) – Requirements for operation, monitoring, and reporting of
the City’s recycled water program.
1480 Drew Ave, Suite 100
Davis, CA 95618
www.lwa.com530.753.6400
530.753.7030 fax
ATTACHMENT #1
Page 2 of 4
Scope of Work
LWA has provided water quality regulatory assistance for the City since 2016, working with City
and Regional Water Board staff to evaluate data, develop compliance strategies, implement
compliance programs, and prepare required reports. Under the current contract, LWA prepared
the 2021 annual reports, the application for reissuance of the current NPDES, the recycled
water groundwater characterization report, and the percolation pond discharge evaluation
report. Additional assistance is required during 2023 to prepare the 2022 annual reports,
provide permit compliance advice, and obtain a new NPDES permit. The scope of work,
schedule, and budget are described in the following sections.
SCOPE OF WORK
The anticipated work activities are listed by task below. Additional assistance will be provided
at the direction of City staff. Draft reports will be provided to the City for review and the City’s
comments will be incorporated before finalizing the documents for submittal. Communication
with regulatory agencies will be conducted by phone, email, or in-person meetings. To ensure
City awareness and to maintain a record of communication with the regulatory agencies, LWA
will prepare written summaries of phone call discussions, copy City staff on email
correspondence, or prepare meeting minutes.
Task 1: NPDES Permit and TSO Support
Conduct phone calls and emails with City and Regional Water Board staff regarding
NPDES permit and TSO requirements.
Assist with preparation of quarterly and annual Self-Monitoring Reports (SMRs).
Assist with preparation of TSO and Compliance Project progress reports.
Review water quality monitoring data to evaluate compliance, consider special studies,
and revise monitoring approach.
Develop chronic toxicity species screening work plan and implementation procedures.
Develop strategy to address permit violations and enforcement actions.
Task 2: Source Control Program Support
Prepare source control program reports.
Conduct phone calls and emails with City and Regional Water Board staff regarding
source control program requirements.
Provide advice to City staff as they implement source control program requirements.
Task 3:Laboratory and Sampling Support
Respond to questions, provide advice on sampling methods and requirements.
Review and update the Laboratory Standard Operating Procedures and Quality
Assurance Manual. Recommend edits to comply with current lab practices and
regulations as necessary to conform with California Environmental Laboratory
Accreditation Program (ELAP) recertification.
Meet with the laboratory staff and conduct observations of lab practice proficiency.
Page 3 of 4
Scope of Work
Advise laboratory staff on future implementation of The NELAC Institute (TNI)
standards.
Task 4 – Stormwater Permit Support
Assist with routine stormwater permit reporting requirements such as uploads to the
Stormwater Multiple Application and Report Tracking System (SMARTS) database and
Annual Reports.
Review monitoring data and answer questions from City staff.
Provide permit implementation guidance, Best Management Practice (BMP) assistance,
and updates on permit reissuance.
Update the Stormwater Water Pollution Prevention Plan (SWPPP) to reflect current site
conditions and operations (if needed).
Update stormwater training materials (if needed).
Assist with responses to Numeric Action Level Exceedances, conduct Exceedance
Response Actions (ERA) Level 1 evaluations and develop ERA Level 1 reports (if needed).
Task 5 – Recycled Water Permit Support
Conduct phone calls and emails with Regional Water Board and DDW staff regarding
recycled water permit requirements.
Prepare permit compliance reports, including the Annual Recycled Water Program
Report, Annual Volumetric Monitoring Report, and recycled water spill/off-spec recycled
water production reports (as needed).
Respond to questions from City staff on permit requirements and implementation
procedures.
Task 6 – Collection System Permit Support
As needed, update City’s Sanitary Sewer Management Plan (SSMP) to address new
requirements specified in Order WQ 2022-0103-DWQ.
Update the City’s Emergency Response Plan to incorporate new spill response
procedures and reporting requirements specified in Order WQ 2022-0103-DWQ.
Respond to questions from City staff on permit requirements and implementation
procedures.
PROJECT SCHEDULE AND COST ESTIMATE
The permit-specified deadlines and estimated timelines for activities occurring from January 1
to December 31, 2023 are listed in Table 1. LWA will work with City staff to prepare documents
that meet compliance requirements and deadlines.
As shown in Table 2, LWA is requesting an additional $71,326 to assist with 2023 activities
which will increase the contract total to $211,326. The estimated costs are based on LWA’s
2022/23 hourly rates. LWA typically modifies hourly rates on July 1 of each year and the City
will be provided with 30-days’ notice of any proposed rate changes. Denise Conners (Associate)
will be the Project Manager and oversee contract administration.
Page 4 of 4
Scope of Work
Table 1. 2023 Compliance Requirements
Requirements Deadlines
Quarterly SMRs 1/31/23, 4/30/23, 7/31/23
10/31/23
Stormwater Annual Report 7/15/23
Annual SMR, Source Control, TSO Progress
Report 3/1/23
Compliance Project Submittals and
Progress Reports
2/1/23, 3/1/23, 5/1/23,
6/1/23, 9/1/23, 12/1/23
Recycled Water Annual Report 4/1/23
Recycled Water Volumetric Monitoring
Report 4/30/23
NPDES Permit Reissuance Sept to Dec 2023
estimate)
Table 2. Budget Request
Contracts Amount
Approved Budget (COU No. 2122-077) $140,000
Funds Expended (July 1, 2021 to December 31, 2022) -$107,526
Remaining Funds (as of December 31, 2022) $32,474
Estimated Costs (January 1 to December 31, 2023 Activities) $103,800
Adjustment for Remaining Funds -$32,474
Additional Budget Requested $71,326
Total Contract Amount $211,326
Please contact me at (530) 753-6400 or denisec@lwa.com if you have any questions.
Sincerely,
Denise H. Conners
Associate