HomeMy WebLinkAboutAddendum - 1AMENDMENT NO. 1 TO AGREEMENT FOR ON-CALL
WASTEWATER HYDRAULIC MODELING AND PLANNING
SERVICES
THIS AMENDMENT, dated for reference purposes only as October 15, 2025, is by and
between the City of Renton (the “City”), a Washington municipal corporation, and Carollo
Engineers, Inc. (“Consultant”), a Delaware Corporation. The City and the Consultant are
referred to collectively in this Amendment as the “Parties.” Once fully executed by the
Parties, this Amendmentis effective as of the last date signed by both parties.
Whereas, the City engaged the services of the Consultant under Agreement CAG-24-036,
dated January 16, 2024, to provide necessary services for the On-call Wastewater Hydraulic
Modeling and Planning Services (referred to herein as the “Agreement”);
Whereas, the Parties wish to amend the Agreement to change the time for performance, in
order to continue providing on-call services.
NOW THEREFORE, It is mutually agreed upon that CAG-24-036is amended as follows:
1.Time of Performance:Section 3, Time of Performance, all Work shall be performed
by no later than December 31, 2027.
2. Compensation: Section 4, Compensation, is amended to include an updated Fee
Schedule as demonstrated in Exhibit B-1. The maximum amount of compensation
payable to Consultant has not chnaged.
3.All terms of the Agreement not explicitly modified herein shall remain in full force and
effect and such terms shall apply to Work performed according to this Amendment
as if fully set forth herein.
CAG-24-036, Adden #1-25
PAGE 2 OF 2
IN WITNESS WHEREOF, the Parties have voluntarily entered into this Amendmentas of the
date last signed by the Parties below.
CITY OF RENTON
By:_____________________________
CONSULTANT
By:____________________________
Martin Pastucha
Public Works Administrator
Erik Waligorski
Vice President
Date Date
Approved as to Legal Form
By: __________________________
Shane Moloney
Renton City Attorney
Contract Template Updated 06/17/2021
11/19/2025
Approved by Cheryl Beyer via email 11/18/2025
EXHIBIT B-1
CITY OF RENTON
ON-CALL WATER HYDRAULIC MODELING AND PLANNING SERVICES
FEE SCHEDULE
November 17, 2025
Hourly Rate
Engineers/Scientists
Staff Professional $175.00 to $190.00
Lead Professional $210.00 to $230.00
Senior Professional $240.00 to $265.00
Supervisory Professional $275.00 to $300.00
Project Manager $265.00 to $290.00
Quality Manager $280.00 to $305.00
Technicians
GIS/CAD Technician $165.00 to $190.00
Senior GIS/CAD Technician $200.00 to $220.00
Support Staff
Document Processing / Clerical $140.00 to $150.00
Project Equipment Communication Expense (PECE) Per
DL Hour
17.00
Other Direct Expenses
Travel and Subsistence at cost
Mileage at IRS Reimbursement Rate
Effective January 1, 2025
700 per mile
Subconsultant At cost + 10%
Other Direct Cost (invoiced per occurrence with
backup)
At cost + 5%
Expert Witness Rate x 2.0