054-18 - RH2 Engineering, Inc. - Contract Amendment 6DocuSign Envelope ID: DCCC65F5-22E8-491B-A1B3-EAF75009A302
City of Port Orchard
Contract Amendment No. 6
Marina Pump Station Rebuild
Phase 3 — Final Design and Services During Bidding
RH2 Project No. PO 118.116
In accordance with our Professional Services Agreement for the Marina Pump Station Rebuild, dated
July 24, 2018, this is an authorization to revise the project Scope of Work as described below. The work
will be performed and invoiced using the terms and conditions listed in the original agreement, plus
previous amendments.
Modify the following items from the Scope of Work:
Reference the attached Exhibit A, Exhibit B, and Exhibit C.
The engineering fee authorization will increase by $679,025 for a total authorization amount of
$1,669,818.
Please sign this authorization in the space provided below and return to RH2 Engineering, Inc., by mail
at the address below, or by email to Contracts@RH2.com.
RH2 Engineering, Inc.
Si gnature
Richard L. Ballard, Director
Print Name/Title
February 23, 2022
City of Port Orchard
1DocuSigned by:
96b v Naat"Sm&
Signature
Robert Putaansuu, Mayor
Print Name/Title
February 23, 2022
Date Date
RH2 Engineering, Inc. 22722 29tt' Drive SE, Suite 210, Bothell, WA City of Port Orchard, 216 Prospect Street Port Orchard, WA
98021 98366
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DocuSign Envelope ID: DCCC65F5-22E8-491B-A1B3-EAF75009A302
EXHIBIT A
Scope of Work
Amendment No. 6
City of Port Orchard
Marina Pump Station Rebuild
Phase 3 — Final Design and Services During Bidding
February 2022
Background
The City of Port Orchard (City) has retained RH2 Engineering, Inc., (RH2) to design the retrofit of its
aging Marina Pump Station. The existing sewer pump station was built in 1983 and is located near
the intersection of State Route (SR) 166 and Orchard Avenue. The station is identified in the City's
2016 General Sewer Plan as needing additional capacity by build -out, at which time flows will be up
to 8,435 gallons per minute (gpm), to accommodate the City's future growth. Currently, the Marina
Pump Station pumps all the City's wastewater to West Sound Utility District's combined Wastewater
Treatment Facility.
The South Kitsap Community and Event Center (SKCEC) will be constructed between Orchard Avenue
and Port Street at the site of the existing Kitsap Bank Corporate Headquarters (KBHQ), and the new
KBHQ will be built between Orchard Avenue and Frederick Avenue, southeast of the existing pump
station. Design of the new pump station building requires coordination with the architects Rice
Fergus Miller (RFM), who are designing the SKCEC and GGLO for the new KBHQ. The Marina Pump
Station has been redesigned twice during the course of this project because of differing finished floor
and plaza levels set by the various developments near the pump station. In October of 2021,
consensus was reached on a plaza and floor elevation for the pump station, SKCEC, and KBHQ to
accommodate forecasted sea level rise. The site design and all grade transitions were redesigned,
and it was determined that the walls of the existing below -grade structure must be extended by
4 feet to bring the finished floor above the forecasted flood level. This building extension increases
the scope of the project and requires the design and installation of a temporary bracing network
when the existing roof is removed from the below -grade structure. The changing elevations for the
site have increased the cost and complexity of the building and site design.
Another addition to the scope is the physical modeling to evaluate hydrodynamics of the existing
wet well that will be reused. Structural engineers have stated that the existing fillets in the lower
corners of the existing wet well cannot be removed, as was originally envisioned. Preformed basins
that control intake hydraulics are not possible because they would require the removal of reinforced
concrete. Hydraulic Institute Standards require that pump stations moving water at the projected
rates in the Marina Pump Station must have a physical hydrodynamic model constructed to learn
where vortices may form. Locations of baffles and flow diverters can be iteratively tested on the
scaled model and then applied to the design of the upgraded wet well to prevent the formation of
vortices. Pump performance will be significantly degraded if the pumps vibrate because of
submerged and surface vortices. Pump impellers can become pitted and damaged by the vortices.
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DocuSign Envelope ID: DCCC65F5-22E8-491B-A1B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
Vibration can prematurely age the pump bearings and shafts may limit the maximum flow output.
The risk of vortices is high at the Marina Pump Station because of the large flow rates the pump
station must discharge to meet projected peak hour flows. It is important that this modeling be
completed, and it is a major component of this amendment.
This Scope of Work includes the following tasks to carry the project through bidding.
• PHASE 3 —FINAL DESIGN AND SERVICES DURING BIDDING
o Task 1— Project Management Services
o Task 2 — Plan Updates to Accommodate Existing and Future Site Improvements
o Task 3 — Additional Data Acquisition
o Task 4 — Fluid Dynamics Physical Model Study
o Task 5 — 90-Percent Plans, Specifications, and Cost Estimate
o Task 6 — Bid -Ready Design Plans, Specifications, and Cost Estimate
o Task 7 — Services During Bidding and Award
o Task 8 — Supplemental Services
Task 1— Project Management Services
Objective: Organize, manage, and coordinate disciplines to complete the Scope of Work on schedule
and in close coordination with City staff.
Approach:
1.1 Prepare meeting agendas for meetings with City staff described in this Scope of Work and
maintain ongoing communication.
1.2 Prepare meeting minutes for meetings with City staff described in this Scope of Work.
1.3 Prepare monthly invoices, progress reports, and schedule updates.
1.4 Maintain R112's project records and files.
1.5 Prepare quarterly payment request and progress report (PRPR) submittals and submit to the
City for submission through Ecology's website.
Assumptions:
• All PRPR submissions are to be made by the City directly through Ecology's website.
To Be Provided by City:
• Timely review of quarterly progress reports prior to submission.
RH2 Deliverables:
• Meeting agendas for meetings listed in this Scope of Work in electronic PDF.
• Meeting minutes for meetings listed in this Scope of Work in electronic PDF.
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
• Monthly invoices with attached schedule adjustments, accomplishments, and future work
outline in electronic PDF.
• Quarterly progress reports in electronic PDF.
Task 2 — Plan Updates to Accommodate Existing and Future Site Improvements
Objective: Incorporate existing and future site improvements into the design plans, specifications,
and estimate of probable construction cost for the sewer pump station improvements based on
decisions made during design of the project.
Approach:
2.1 Coordinate with the City and RFM to assess the planned future site improvements for the plaza
that will surround the Marina Pump Station. Update the proposed site and structural design
plans to accommodate the existing site and planned future site configurations.
2.2 Investigate and review available forecasted sea level rise data. Provide guidance to the City for
selecting a planning -level building finished floor elevation that accommodates for forecasted
sea level rise. Update the proposed site and structural design plans to incorporate the City's
selected building finished floor elevation.
2.3 Coordinate with AES Consultants, Inc., (AES) as a subconsultant to RH2 to determine the vertical
shift needed to convert from the vertical datum used in the design plans for the Marina Pump
Station to match the vertical datum used for the SKCEC design plans (vertical datum NAVD 88).
Coordinate with AES to update the elevations in the existing site plan based on this vertical
datum conversion.
2.4 Update the elevations in the proposed site, structural, and mechanical design plans based on
the vertical datum conversion identified in subtask 2.3.
2.5 Prepare structural bracing plans for roof removal and replacement due to sea level rise.
2.6 Prepare wall extension and proposed roof plan due to sea level rise.
Assumptions:
• RH2 will rely on the accuracy and completeness of previously prepared sea level rise forecasts.
Previously Provided by City:
• Advisement on Impacts of Sea Level Rise on City of Port Orchard Shoreline, prepared by
Herrera Environmental Consultants, Inc., and Cascadia Consulting Group.
• Selection of pump station building finished floor elevation that accommodates for forecasted
sea level rise to be incorporated into the design plans.
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
RH2 Deliverables:
• One (1) electronic PDF of design plans that accommodates for the existing site and planned
future site configurations, integrates the selected building finished floor elevation, and
incorporates the vertical datum shift.
Task 3 — Additional Data Acquisition
Objective: Acquire additional existing utility information. Coordinate with a subconsultant for utility
potholing.
Approach:
3.1 Prepare easements or right -of -entry agreements for potholing.
3.2 Prepare a traffic control plan for potholing.
3.3 Coordinate with AES as a subconsultant to RH2 and City staff for a maximum of two (2) utility
potholes.
3.4 Incorporate potholing data into proposed site plan and valve vault plans.
Assumptions:
• AES is responsible for site safety and directing the operator's work.
To Be Provided by City:
• Coordination and assistance with utility potholing in right-of-way.
• City will provide asphalt restoration for potholes.
RH2 Deliverables:
• AES will provide potholing data in AutoCAD file format to RH2 via email.
• One (1) electronic copy of the AutoCAD potholing files (AutoCAD and PDF formats).
Task 4 — Fluid Dynamics Physical Model Study
Objective: Obtain scaled physical model study to evaluate fluid dynamics and if modifications are
needed to address potential pump performance issues.
Approach:
4.1 Coordinate with Northwest Hydraulic Consultants, Inc., (NHC) as a subconsultant to RH2 to
conduct scaled physical modeling of the pump intakes and suction piping to evaluate potential
pump performance issues.
4.2 Prepare a technical memorandum summarizing the results of the scaled physical modeling
evaluations. Recommended modifications outlined in this technical memorandum will be
considered for incorporation into the 90-percent design plans prepared in Task 5.
C!
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
Assumptions:
• The Marina Pump Station as-builts accurately depict the existing wet well configuration.
Previously Provided by City:
• As-builts of the City's Marina Pump Station.
RH2 Deliverables:
• One (1) electronic PDF of the technical memorandum summarizing the scaled physical
modeling evaluations.
Task 5 — 90-Percent Plans, Specifications, and Cost Estimate
Objective: Develop 90-percent design plans, specifications, and estimate of probable construction
cost for the sewer pump station improvements based on the decisions made during previous design
phases.
Approach:
5.1 Prepare 90-percent cover and general notes sheets.
5.2 Prepare 90-percent site plans, traffic control plans, and details.
5.3 Coordinate with RFM as a subconsultant to RH2 to prepare 90-percent architectural design
plans and details for the pump station building that are consistent with the ambience of the
SKCEC and new KBHQ.
5.4 Coordinate with Anchor QEA, LLC as a subconsultant to RH2 to prepare 90-percent
landscaping design plans and details that are consistent with the ambience of the SKCEC and
new KBHQ.
5.5 Prepare 90-percent structural plans and calculations.
a) Develop plans for shoring of the emergency storage structure and valve vault
construction.
b) Develop plans for temporary reinforcement during construction of the dry well and wet
well walls to accommodate the selected finished floor elevation.
c) Develop plans for extending the dry well and wet well walls and ceiling to accommodate
the selected finished floor elevation.
5.6 Prepare 90-percent mechanical plans.
a) Evaluate the recommended pump intake modifications outlined in the physical model
technical memorandum (subtask 4.2) for incorporation into the design plans.
5.7 Prepare 90-percent electrical and telemetry plans.
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
5.8 Prepare 90-percent technical specifications. Technical specifications will be in RH2's modified
Construction Specifications Institute (CSI) format. Prepare 90-percent front-end and
construction contract documents.
5.9 Prepare 90-percent estimate of probable construction cost. Submit plans, specifications, and
estimate to City for review.
5.10 Attend one (1) meeting with City staff to review 90-percent plans, specifications, and
probable construction cost estimate.
5.11 Perform in-house quality assurance and quality control (QA/QC) review and incorporate
comments from the 90-percent review meetings into the design plans and specifications.
5.12 Attend one (1) site visit to confirm site conditions for proposed improvements.
To Be Provided by City:
• Timely review and comments on 90-percent design plans, specifications, and probable
construction cost estimate.
• Meeting attendance at 90-percent design completion.
RH2 Deliverables:
• One (1) electronic PDF and three (3) half-size sets of 90-percent design plans.
• One (1) electronic PDF and one (1) hard copy of technical and legal specifications at
90-percent review.
• 90-percent estimate of probable construction cost in electronic PDF to be emailed to the City.
Task 6 — Bid -Ready Design Plans, Specifications, and Cost Estimate
Objective: Develop bid -ready design plans, specifications, and estimate of probable construction
cost for the sewer pump station improvements based on the decisions made during previous design
phases.
Approach:
6.1 Prepare bid -ready cover and general notes sheets.
6.2 Prepare bid -ready site plans, traffic control plans, and details.
6.3 Prepare bid -ready architectural plans and details.
6.4 Prepare bid -ready landscaping plans and details.
6.5 Prepare bid -ready structural plans and calculations.
6.6 Prepare bid -ready mechanical plans.
6.7 Prepare bid -ready electrical and telemetry plans.
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
6.8 Prepare bid -ready technical specifications. Prepare bid -ready front-end and construction
contract documents.
6.9 Prepare final estimate of probable construction cost.
6.10 Perform in-house QA/QC review and incorporate comments from the bid -ready review into
the design plans and specifications. Submit bid -ready plans, specifications, and probable
construction cost estimate to City for bidding.
To Be Provided by City:
• Review and comments on bid -ready design plans, construction cost estimate, and
specifications.
RH2 Deliverables:
• One (1) electronic PDF and three (3) half-size sets of bid -ready design plans.
• One (1) electronic PDF and one (1) hard copy of bid -ready technical and legal specifications.
• Final estimate of probable construction cost in electronic PDF to be emailed to the City.
Task 7 — Services During Bidding and Award
Objective: Provide engineering services during the bidding phase of the project.
Approach:
7.1 Prepare a bid advertisement and coordinate the timing and placement with the City. The City
will submit the advertisement to the appropriate publications.
7.2 Produce electronic and hard copy sets of the plans and specifications for City and RH2 use
during bidding. The City will produce additional bid document sets as needed for bidding the
project.
7.3 Respond to questions from bidders, and revise construction plans, technical specifications, or
construction contract conditions during the bidding process, if requested. Prepare up to two (2)
addenda, if needed.
7.4 Assist the City with the evaluation of the qualifications and references for the apparent low
bidder. Prepare a recommendation of bid award letter. It is assumed that the City will handle
bid award and construction contract execution.
To Be Provided by City:
• Management of and payment for the Builders Exchange of Washington online bidding
process.
• Distribution of bid documents and maintenance of the plan holder's list, if applicable.
• Issuance of addenda, if any, to all construction contract document holders.
• Bid opening attendance and tabulation of bids received.
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
City of Port Orchard Amendment No. 6
Marina Pump Station Rebuild Exhibit A
Phase 3 — Final Design and Services During Bidding Scope of Work
• Bid award and construction contract execution.
RH2 Deliverables:
• Bid plan and specifications sets: one (1) electronic set (PDF) and four (4) half-size sets; one
(1) set for City use and bidding purposes; and three (3) sets for RH2's file and staff use during
bidding.
• Phone assistance to vendors and bidders during the bidding phase.
• Two (2) addenda in electronic PDF, if needed.
• Reference check of lowest bidder.
• Recommendation of bid award letter in electronic PDF.
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
EXHIBIT B
Fee Estimate
Amendment No. 6
City of Port Orchard
Marina Pump Station Rebuild
Phase 3 - Final Design and Services During Bidding
Feb-22
Description Total Total Labor Total Subconsultant Total Expense Total Cost
Hours
Task 1 Project Management Services
60
$ 11,490
$ 11,063
$ 50
$ 22,602
1.1
Prepare meeting agendas and maintain communication
6
$ 1,254
$
$ 50
$ 1,304
1.2
Prepare meeting minutes
6
$ 1,254
$
$ -
$ 1,254
1.3
Prepare monthly invoices and schedule updates
18
$ 2,970
$
$
$ 2,970
1.4
Maintain project records and files
6
$ 1,254
$ 11,063
$
$ 12,317
1.5
Prepare quarterly reports for Ecology
24
$ 4,758
$ -
$
$ 4,758
Task 2 Plan Updates to Accommodate Existing and Future Site Improvements
162
$ 31,716
$ 2,100
$ -
$ 33,816
2.1
Coordinate with City and RFM and update site and structural design
4
$ 664
$ 2,100
$
$ 2,764
2.2
Investigate available forecasted sea level rise data
36
$ 7,596
$
$
$ 7,596
2.3
Coordinate with AES to determine vertical shift needed
10
$ 1,840
$
$
$ 1,840
2.4
Update elevations in proposed site, structural, and mechanical plans
16
$ 2,656
$
$
$ 2,656
2.5
Prepare structural bracing plans for roof removal due to sea level rise
60
$ 11,976
$
$
$ 11,976
2.6
Prepare wall extension and proposed roof plan due to sea level rise
36
$ 6,984
$
$
$ 6,984
Task 3 Additional Data Acquisition
35
$ 6,461
$ 10,500
$
$ 16,961
3.1
Prepare easements or right -of -entry agreements for potholing
11
$ 2,000
$
$
$ 2,000
3.2
Prepare traffic control plan
7
$ 1,336
$
$
$ 1,336
3.3
Coordinate with AES to perform utility potholing
7
$ 1,336
$ 10,500
$
$ 11,836
3.4
Incorporate potholing data into site and valve vault plans
10
$ 1,789
$ -
$
$ 1,789
Task 4 Fluid Dynamics Physical Model Study
8
$ 1,844
$ 101,745
$
$ 103,589
4.1
Coordinate with NHC to perform scaled physical modeling
8
$ 1,844
$ 87,990
$
$ 89,834
4.2
Prepare technical memorandum summarizing physical modeling
-
$ -
$ 13,755
$
$ 13,755
Task 5 90-Percent Plans, Specifications, and Cost Estimate
959
$ 182,886
$ 102,558
$ 1,465
$ 286,908
5.1
Prepare 90-percent cover and general notes sheets
12
$ 2,250
$ -
$ -
$ 2,250
5.2
Prepare 90-percent site plans, traffic control plans, and details
30
$ 6,140
$ 8,400
$
$ 14,540
5.3
Coordinate with RFM to prepare architectural plans
34
$ 6,484
$ 8,400
$
$ 14,884
5.4
Coordinate with QEA to prepare landscaping design
24
$ 3,984
$ 59,508
$
$ 63,492
5.5
Prepare 90-percent structural plans and calculations
249
$ 47,922
$ 6,300
$
$ 54,222
5.6
Prepare 90-percent mechanical plans
178
$ 33,110
$ -
$
$ 33,110
5.7
Prepare 90-percent electrical and telemetry plans
114
$ 19,772
$ -
$
$ 19,772
5.8
Prepare 90-percent front-end and technical specifications
106
$ 21,270
$ 7,350
$
$ 28,620
5.9
Prepare 90-percent estimate of probable construction cost
92
$ 18,918
$ 7,350
$
$ 26,268
5.10
Attend 90-percent review meeting with City staff
12
$ 2,508
$ 2,100
$
$ 4,608
5.11
Perform in-house CA/QC review and incorporate comments
84
$ 15,512
$ 3,150
$ 1,368
$ 20,030
5.12
Attend site visit to confirm site conditions for proposed improvements
24
$ 5,016
$ -
$ 97
$ 5,113
Task 6 Bid -Ready Design Plans, Specifications, and Cost Estimate
531
$ 102,653
$ 90,997
$ 2,568
$ 196,218
6.1
Prepare bid -ready cover and general notes sheets
6
$ 1,125
$ -
$ -
$ 1,125
6.2
Prepare bid -ready site plans, traffic control plans, and details
33
$ 6,632
$ 8,400
$
$ 15,032
6.3
Prepare bid -ready architectural plans and details
9
$ 1,578
$ 6,300
$
$ 7,878
6.4
Prepare bid -ready landscaping plans and details
9
$ 1,578
$ 55,297
$
$ 56,875
6.5
Prepare bid -ready structural plans and calculations
101
$ 21,890
$ 6,300
$
$ 28,190
6.6
Prepare bid -ready mechanical plans
ill
$ 21,460
$ -
$
$ 21,460
6.7
Prepare bid -ready electrical and telemetry plans
71
$ 12,690
$ -
$
$ 12,690
6.8
Prepare bid -ready front-end and technical specifications
68
$ 13,092
$ 6,300
$
$ 19,392
6.9
Prepare final estimate of probable construction cost
36
$ 6,744
$ 6,300
$
$ 13,044
6.10
Perform in-house QA/QC review and incorporate comments
87
$ 15,864
$ 2,100
$ 2,568
$ 20,532
Task 7 Services During Bidding and Award
90
$ 16,898
$
$ 2,033
$ 18,931
7.1
Prepare bid advertisement
8
$ 1,494
$
$ 625
$ 2,119
7.2
Produce electronic and hard copy bid documents
32
$ 5,736
$
$ 1,385
$ 7,121
7.3
Respond to questions from bidders and prepare addenda
42
$ 8,128
$
$ -
$ 8,128
7.4
Assist the City and prepare recommendation of award letter
8
$ 1,540
$
$ 23
$ 1,563
PROJECT TOTAL 1 1845 1 $ 353,948 1 $ 318,963 1 $ 6,115 1 $ 679,025
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DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
EXHIBIT C
RH2 ENGINEERING, INC.
2021 SCHEDULE OF RATES AND CHARGES
RATE LIST
RATE
UNIT
Professional 1
$151
$/hr
Professional 11
$166
$/hr
Professional 111
$182
$/hr
Professional IV
$196
$/hr
Professional V
$211
$/hr
Professional VI
$224
$/hr
Professional V11
$240
$/hr
Professional V111
$250
$/hr
Professional IX
$250
$/hr
Control Specialist 1
$137
$/hr
Control Specialist 11
$149
$/hr
Control Specialist 111
$164
$/hr
Control Specialist IV
$178
$/hr
Control Specialist V
$189
$/hr
Control Specialist VI
$203
$/hr
Control Specialist V11
$218
$/hr
Control Specialist V111
$227
$/hr
Technician 1
$115
$/hr
Technician 11
$125
$/hr
Technician 111
$142
$/hr
Technician IV
$153
$/hr
Technician V
$167
$/hr
Technician VI
$183
$/hr
Technician V11
$198
$/hr
Technician V111
$209
$/hr
Administrative 1
$75
$/hr
Administrative 11
$88
$/hr
Administrative 111
$106
$/hr
Administrative IV
$125
$/hr
Administrative V
$143
$/hr
CAD Plots - Half Size
$2.50
price per plot
CAD Plots - Full Size
$10.00
price per plot
CAD Plots - Large
$25.00
price per plot
Copies (bw) 8.5" X 11"
$0.09
price per copy
Copies (bw) 8.5" X 14"
$0.14
price per copy
Copies (bw) 11" X 17"
$0.20
price per copy
Copies (color) 8.5" X 11"
$0.90
price per copy
Copies (color) 8.5" X 14"
$1.20
price per copy
Copies (color) 11" X 17"
$2.00
price per copy
Mileage
$0.585
price per mile
(or Current IRS Rate)
Subconsultants
5%
Cost +
Outside Services
at cost
Rates listed are adjusted annually.
DocuSign Envelope ID: DCCC65F5-22E8-491 B-A1 B3-EAF75009A302
I CITY OF PORT ORCHARD I
Authorization for Amendment No. 6
Date: 2/10/2022
Marina Pump Station Rebuild
Project -Design & Permit
Project: Coordination
Contract / Job # C054-18
Consultant: RH2 Engineering
22722 29th Drive SE, Suite 210
Bothell, WA 98021
THIS AMENDMENT AUTHORIZES THE FOLLOWING; Final 100% Design/Ad Ready plus Bid Support added
to the previously approved 80% Design.
Contract History
Amount
Sales Tax Total
Date
Appvd by
Original Contract
$250,000.00
$250,000.00
24-Jul-18
Council
Amendment #1
$0.00
$0.00
22-Jul-19
Mayor
Amendment #2
$0.00
$0.00
10-Dec-19
Mayor
Amendment #2A
$0.00
$0.00
10-Apr-20
Mayor
Amendment #3
$726,789.00
$726,789.00
29-Jul-20
Council
Amendment #4
$14,004.00
$14,004.00
29-Dec-20
Mayor
Amendment #5
$0.00
$0.00
15-Jun 21
PW Director
Amendment #6
$679,025.00
679,025.00
22-Feb-22
Council
Total Contract
$1,669,918.00
$0.00 $1,669,918.00
I have reviewed the Change Order information above and certify that to the best of my knowledge descriptions
costs are true and accurate. .00
Contractor Approval Signature
Richard L. Ballard,
Printed Name & TitlE
Director
Pub
/City Engineer
MARK R. DORSEY, P.E.
Printed Name
Change Orders that do not exceed 10%, with a maximum of
$50,000, of either legally authorized budget limit or contract Approved:
amount established by City Council can be approved by the Public
Works Director.
Change Orders that do not exceed 10%, with a maximum of Attest:
$100,000, of either legally authorized budget limit or contract
amount established by City Council are to be approved by the
Mayor.
Change Orders over $100,000 or exceed a total of 10% require
Council Action.
—DocuSigned by:
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Mayor
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DocuSigned by:1l(AlA (PaAtt,
City C er
Council Approval Date