HomeMy WebLinkAboutAddendum - 3Docusign Envelope ID: 842FF643-B7D5-4217-90BA-D4B8970D3B3B
AMENDMENT NO. 3 TO AGREEMENT FOR 2022 RENTON SEWER
REPLACEMENT
THIS AMENDMENT, dated for reference purposes only as September 10, 2024 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 Amendment is
effective as of the last date signed by both parties.
Whereas, the City engaged the services of the Consultant under Agreement CAG-22-053, dated
April 7, 2022, to provide necessary services for the 2022 Renton Sewer Replacement project
(referred to herein as the "Agreement");
Whereas, the Parties wish to amend the Agreement to change the compensation in order to add
additional scope to provide services during construction and material testing services per Exhibit
A-3.
NOW THEREFORE, It is mutually agreed upon that CAG-22-053 is amended as follows:
1.Scope of Work: Section 1, Scope of Work, is amended to add work as specified in Exhibit
A-3, which is attached and incorporated herein.
2.Compensation: Section 4, Compensation, is amended so that the maximum amount of
compensation payable to the Consultant is increased by $39,689.00 from $558,636.00 to
$598,325.00, plus any applicable state and local sales taxes. The additional compensation
shall be paid based upon Work actually performed according to the rate(s) or amounts
specified in Exhibit B-3, which is attached and incorporated herein.
3.Time of performance: Section 3, Time of Performance, is amended pursuant to the
schedule set forth in Exhibit C-3. All work shall be performed by no later than December
31, 2025.
4.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-22-053, Adden #3-24
Approved by Cheryl Beyer via email 9/11/2024
September 6, 2024
Joe Stowell, PE
City of Renton
Renton City Hall -5th Floor
1055 South Grady Way
Renton, WA 98055
Subject: Sanitary Sewer Replacement Project/ Budget Amendment Request No. 3
Dear Joe:
The purpose of this budget amendment request for the Renton Sewer Replacement project is to include
engineering services during construction for the Phase 1 project sites.
Attached is Exhibit A -Amendment No. 3 Scope of Services that outlines engineering services during
construction including material and compaction testing provided by Krazan and Associates for Phase 1. The
attached Exhibit B -Amendment No. 3 Budget outlines the requested budget to complete these efforts. The
additional effort identified for Amendment No. 3 includes:
Providing additional project management for the duration of Phase 1 construction.
Include a new task for engineering services during construction for Phase 1 sites.
Project Management $40,324 $42,364
Preliminary Design $248,660 $248,660
Design $203,950 $220,320
Project Bidding Services $24,704 $27,872
Envision Initial Assessment $21,460 $21,460
Engineering Services during Construction $0 $37,649
TOTAL $558,636 $598,325
$2,040
$0
$0
$0
$0
$37,649
$39,689
In summary, based on the additional effort required for the water line additional and property site visits,
Carollo Engineers, Inc. is seeking a budget amendment in the amount of $39,689, to complete the required effort.
Please feel free to contact me at 206-538-5827 if you have any questions in regard to this request.
Sincerely,
CAROLLO ENGINEERS, INC.
Austin Wong
Assistant Project Manager
Enclosures: Exhibit A -Amendment No. 3 Scope of Services
Exhibit B -Amendment No. 3 Budget
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BACKGROUND
EXHIBIT A
SCOPE OF SERVICES
AMENDMENT No. 3
9/06/2024
ENGINEERING SERVICES FOR THE CITY OF RENTON
SANITARY SEWER REPLACEMENT PROJECT
The City of Renton Wastewater Utility implements an annual sanitary sewer rehabilitation and/or
replacement project as part of its ongoing capital improvement program. For this project, the City
will be undergoing a replacement project consisting of various sewer main, manhole, and side
sewer replacements within the City's system.
The sewer infrastructure to be replaced as part of this Sanitary Sewer Replacement Project were
selected by the City of Renton based on field observations and inspections and are located within
City right-of-way and on Private property within City easements at seven different general sites
(see City provided site maps illustrating the proposed work following the Scope of Work). Work
within the City right-of-way will take place on Kirkland Ave NE and NE 16th St (Site 1 ), NE 4th St
(Site 2), NE 6th St and NE 7th Pl (Site 3), Tacoma Ave NE, NE 6th St, and Shelton Ave NE (Site 4),
NE 6th St (Site 5), Taylor Ave NW and NW 7th St (Site 6). Work on private property within existing
City easements will be required off Monroe Ave NE (Site 7) and various points on other sites
where access is needed for system abandonment. Phase 1 includes Sites 1, 2, 3, and 6 and
Phase 2 includes Sites 4, 5, and 7.
The Project includes the construction of approximately 2,410 lineal feet (LF) of 8-inch sewer main,
approximately 10 LF of 12-inch sewer main, approximately 6 sewer manholes, 18 side sewer
reroutes, and approximately 30 side sewer connections.
The scope of work for this phase of the project will include:
•Engineering services during construction for Phase 1.
SCOPE OF SERVICES SUMMARY -AMENDMENT No. 3
General Assumptions for Task 600 -Engineering Services During Construction in this Scope of
Services shall remain unchanged from the original agreement and Amendment No. 1 and 2.
Modifications to General Assumptions
1.None.
SCOPE OF SERVICES DETAIL-AMENDMENT No. 3
TASK 100 -Project Management
The objective of this task is to manage and coordinate engineering and related services required
for Project completion in accordance with the schedule, budget, and quality expectations that are
established. Task 100 includes the following subtasks continued through construction:
Subtask 120-Project Monitoring and Reporting
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EXHIBIT A
This subtask will manage and report scope, schedule, and budget.
•Manage the Project team to track time and budget, work elements accomplished, work
items planned for the next period, manpower, scope changes, and time and budget needed
to complete this Scope of Services.
•Prepare monthly project status reports that compare work accomplished with schedule
activities and compare expenditures with task budgets, and submit reports to the City's
Project Manager with monthly invoices.
Task 100 Assumptions:
1.Construction duration will be approximately 150 working days or eight (8) months.
Task 100 Deliverables:
1.Monthly invoices and progress reports in PDF format.
2.Updated project schedules in PDF format.
Task 600 -Engineering Services During Construction
Subtask 610 -Phase 1 Engineering Service During Construction
Services during construction for Phase 1 will include the following:
1.Provide project and communication for the duration of construction.
2.Prepare and submit conformed contract documents.
3.Prepare for and attend the pre-construction conference.
4.Review and respond to construction submittals. This task assumes that the City will
coordinate and manage the shop drawing and submittal review process and will distribute
specific submittals for the Consultant to review on an as needed basis. Consultant will
complete reviews of submittals and resubmittals and provide the City with a response on
the City's submittal form. Engineer will review and comment shall be per WSDOT Standard
Specification 1-05. Up to two submittals are assumed to be reviewed by the Consultant
with no re-submittal reviews.
5.Review and respond to Contractor Requests for Information (RFI). This task assumes that
the City will coordinate and manage the RFI process between the City and the Contractor.
Consultant will complete reviews of the RFI and provide a City with a response. Up to two
RFls are assumed.
6.Review Change Order Requests (CO). Consultant will review change order requests in
conjunction with the City's representative to determine changes in scope and conditions.
Consultant will prepare independent cost estimates to be used by the City in negotiating
with the Contractor. This task assumes that the City will prepare and process approved
change orders and incorporate them into the contract. Up to two CO are assumed.
7.Prepare Design Clarifications (DC). Consultant will coordinate the preparation of
clarifications of drawings and specifications. Clarifications will be provided electronically in
PDF format. Up to two DC are assumed.
8.Consultant will provide as needed construction observations at the direction of the City. Up
to two field reviews will be provided by the Consultant.
9.Construction Record Drawings (CRDs). Consultant will review the Contractor supplied as
built redline drawings and will prepare draft construction Record Drawings. The draft
construction Record Drawings will be reviewed by the internal QA/QC team and then
submitted to the City for review. One revision of the draft construction record drawings will
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Docusign Envelope ID: 842FF643-B7D5-4217-90BA-D488970D3838
EXHIBIT A
be completed based on City comment and a final copy of the CRDs will be submitted to the
City.
10.Attend periodic weekly construction meetings as determined by the City (5construction
meetings assumed, attended by one Carollo engineer).
11.Provide material and compaction testing through a subconsultant lab and tester.
Task 610 Assumptions
1.The Contractor will complete the construction within the contract time, which is assumed to
be 150 working days following notice to proceed. Any effort required by the Consultant
beyond the contract time assumed in this Scope of Services will require a modification for
the additional level of effort, if the original budget has been exhausted.
2.This task assumes that the City will lead the construction management including
construction administration, documentation, and providing daily onsite construction
observers.
3.This task assumes that the City will review, comment on, and approve the Contractor's
monthly payment applications based on the approved schedule of values.
4.This task assumes that the City will provide all required submittal review and observation
for site civil related construction activities, including site grading, trenching, pipeline
installation and backfill, and site restoration and paving.
5.One Consultant will attend the weekly construction meetings as needed. Weekly
construction meetings are assumed to be an hour long and virtually.
6.No community involvement activities will be required during construction.
7.Conformed construction documents will consist of reissued addenda drawings and
specifications and redlined mark ups of the electronic (PDF) drawings and specifications of
changes made by Addendum during the bidding process.
8.This scope of work assumes that the City will be responsible for the warranty period
inspection, including coordinating the completion of and observing any necessary
corrective actions.
9.This scope of services does not include monitoring of Minor Change/ Force Account work
authorized by the City that requires additional observation or special testing beyond that
which is stated above.
10.Contractor will be responsible for maintaining accurate as-built information throughout
construction and will provide information to the City and Consultant in a timely manner in
accordance with the Contract Documents.
11.Consultant will submit Record Drawings to the City within 60 calendar days following
receipt of the Contractor's as-built markups. Consultant assumes that Contractor will
provide up-to-date accurate as-builts, and will return as-builts to Contractor if found to be
deficient.
12.Budget is based on the need to make Record Drawing revisions in AutoCAD to a total of 16
drawings, which generally excludes general and typical detail sheets, and temporary
construction sheets such as traffic control and erosion control and demolition.
13.Consultant shall submit draft and final Record Drawings to the City in PDF format. The final
Record Drawings will also be provided in AutoCAD format.
Task 610 Deliverables
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