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Home My WebLink About24-028 - Amendment C - Herrera Environmental Consultants, Inc - Engineering Services: Enhanced Maintenance Plan (EMP)City of Tukwila Agreement Number: 24-028(c) Council Approval 6/1/26 6200 Southcenter Boulevard, Tukwila WA 98188 CONTRACT FOR SERVICES Amendment # 3 Between the City of Tukwila and Herrera Environmental Consultants, Inc. That portion of Contract No. 24-028 between the City of Tukwila and Herrera Environmental Consultants, Inc. is hereby amended as follows: Section 2: Scope of Services Section 2 is hereby amended to read as follows: The Consultant agrees to perform the services, identified on Exhibit "A" attached hereto, including the provision of all labor, materials, equipment and supplies Section 4: Payment Section 4A is hereby amended to read as follows: Payment for the work provided by the Consultant shall be made as provided on Exhibit A attached hereto, provided the total amount of payment to the Consultant for the work shall not exceed $19,989 without express written modification of the Agreement signed by the City. The maximum amount payable under this contract as amended inclusive of all fees and other costs shall not exceed $147,041.00 without express written modifications of the Agreement signed by the City. All other provisions of the contract shall remain in full force and effect. Dated this 2nd day of June , 2026. CA Reviewed May 2020 Page 1 of 2 City of Tukwila 6200 Southcenter Boulevard, Tukwila WA 98188 CITY OF TUKWILA Initial Signed by: 5t,bw�aS Thomas McLeod, Mayor ATTEST/AUTHENTICATED: Signed by: E'QUB'I"365 ... Jennifer Marshall, Acting City Clerk APPROVED AS TO FORM: Signed by: (� ,� �. a�l.1 & Office o the ity Attorney CONTRACTOR: Herrera Environmental Consultants, Inc. By: Printed Name: Theresa M. Wood Title: Vice President CA Reviewed May 2020 Page 2 of 2 I::.::.:::XI N III 1:::3 1l QAJ. Science + planning + Design i On April 13, 2026, the City of Tukwila (City) authorized Herrera Environmental Consultants (Herrera) to prepare a scope, budget, and schedule amendment for the Enhanced Maintenance Plan (EMP) in accordance with the grant agreement between the City and the Washington State Department of Ecology (Ecology) to help inform the City's future operational approach to stormwater management with the overall goal of improving water quality by removing sediment and pollutants from roadway runoff. This scope of work includes a discussion of the activities, assumptions, deliverables, and a schedule associated with the following tasks for this project: e Task 1 — Project Management e Task 2 — Stormwater Maintenance Program Evaluation e Task 3 — Enhanced Maintenance Program Development 1111)iIirojeclt Herrera will be responsible for ongoing administration of the project, including preparing invoices and progress reports, as well as coordination of work efforts with the City project manager (Sherry Edquid). Herrera's project manager (Rebecca Dugopolski) and contract manager will have phone and e-mail contact with the City project manager and other City representatives on an as -needed basis with regard to scope, schedule, budget, and invoicing issues. Herrera's project manager will be responsible for ongoing administration of the project, including preparing invoices and progress reports, as well as coordination of work efforts with the City and subconsultants. IIIf,f,1 f su IIID W IIIICIIIDs e This task does not include routine project management check-in meetings. Working meetings are included as part of Task 3. IIII 6II iiiiveIIra Ilbh lies e Monthly progress reports and invoices (PDF) April 27, 2026 Page 1 of 3 6 se tukwila_emp_scope_amen dment3 HERRERA ° Ililirllili��l Ililir III Ililil Ililil°� Ililil ° Ililil °� 111111°�Ililir Ililir° Ilili��l IIIIIIIIIIIIII� ilil alt Ilii) 1111111 11 Ilh IIIA: '''II . III ..IIIA iii .. III' , "'' Ilf iiia III .... d s A s s .. s &n'' .. iiia t, The Herrera team will finalize the Data Gaps and Needs Assessment technical memorandum. The technical memorandum will document the City's existing stormwater program and identify gaps in the program as defined by the 2024-2029 National Pollutant Discharge Elimination System (NPDES) Phase II municipal stormwater permit (Phase II permit). IIIf,f,1 f su IIID W IIIICIIIDs is Herrera will update the Data Gaps and Needs Assessment technical memorandum based on any updates to the EMP in Task 3. le This task does not include a review by the City or any working meetings. le This task does not include assistance with code amendments, policy updates, or design standard updates necessary to implement new programs (if applicable) or to meet new Phase II permit requirements. I"IIII iiiiveIIr Illh llll s le Final gap analysis and needs assessment technical memorandum for Subtask 2.4 (Word and PDF) "Wi u° Illlllllllllllllili l ° hili l ° III 111111 hili l° hili l ° hili l ° 111111° ° hili l 111111 Ilili��l hili l° The Herrera team will work with the City to develop an EMP that addresses Ecology's comments from March 2026 that is focused on the following topics: le Lifecycle costs for the street sweeper, vactor truck, and decant facility le Elaboration on how the street sweeper, vactor truck, and decant facility will provide additional water quality benefits IIIf,f,1 f su IIID W IIIICIIIDs le Two virtual working meetings will be scheduled with the City (up to 1 hour each) to develop the draft EMP and discuss Ecology's comments. le The draft EMP will be reviewed by the City. The revised draft EMP will be reviewed by Ecology (per the City's grant agreement with Ecology). May 4, 2026 2 of 3 se tukwila_emp_scope_amen dment3 HERRERA • The City will be responsible for posting the revised draft and final EMP to EAGL for Ecology's review. e Ecology will provide an acceptance letter once their review of the EMP has been completed. I"1111)6I iiiiveiir Illh llll s Draft (Internal Review Draft), revised draft (Ecology Review Draft), and final EMP (Microsoft Word and PDF) e Responses to Ecology's comments on the revised draft EMP (Microsoft Excel) 111111)iiIirojecu uiiii Task I Deliverable/Meeting Timeline Task 1— Pro'ect Management Monthly invoices and progress reports May — Nov. 2026 Task 2 — Stormwater Maintenance Program Evaluation Subtask 2.4 — Prepare Data Gaps and Needs Assessment Final gap analysis and needs assessment technical memorandum Nov. 2026 Task 3 — Enhanced Maintenance Plan Development Draft EMP (for City review) July 2026 Virtual working meeting #1 July 2026 Revised draft EMP (for Ecology review) Aug. 2026 Virtual working meeting #2 Sept. 2026 Responses to Ecology's comments on revised draft EMP Oct. 2026 Final EMP Oct. 2026 a The proposed project timeline assumes that the notice to proceed will be issued on May 18, 2026 or sooner. May 4, 2026 3 of 3 6 se tukwila_emp_scope_amen dment3 HERRERA QAJ H E �R R �E RA Cost Estimate for Herrera Project No. 4/27/2026 Herrera Labor based on: gopolski, Rebecca echanover, Julianne :kowich, Pamela Ioof. Charles City of Tukwila Enhanced Maintenance Plan - Amendment 3 23-08291-000 Task No. Burdened Labor Rates Engineer VI $293.07 2 2 14 18 Engineer IV $192.59 4 4 56 64 Administrative Coordinator IV $150.50 4 8 12 Project Accountant III $145.56 4 4 Total Hours .... per Task... 10 10 ( 78 98 Subtotal Labor $1,939 I $1,959 I $16,092 I $19,989 Subtotal Herrera Labor, $1,939 I $1,959 $i6,092 I $19,989 Grand Subtotal $1,939 $1,959 1 $16,092 I $19,989 Grand Total Note: Herrera adjusts labor rates annually in January unless contract specifies otherwise.