HomeMy WebLinkAboutRH2 Engineering, Inc. - West Pasco WTP Improvements - Amendment No. 4 (Agreement No. 20-021)AMENDMENT NUMBER 4 to
PROFESSIONAL SERVICES AGREEMENT
16008 - West Pasco Water Treatment Plant Improvements
AGREEMENT NO. 20-021
WHEREAS, the City and RI -12 Engineering, Inc. entered into a Professional Services
Agreement on 7/14/2020 to provide engineering services with respect to the West Pasco Water
Treatment Plant Improvements Project.
WHEREAS, the City and the RI -12 Engineering, Inc. entered into the first amendment to
the Professional Services Agreement No. 20-021 on December 21, 2020; and
WHEREAS, the City and the RH2 Engineering, Inc. entered into the second amendment
to the Professional Services Agreement No. 20-021 on May 13, 2021; and
WHEREAS, the City and the RI -12 Engineering, Inc. entered into the third amendment to
the Professional Services Agreement No. 20-021 on August 10, 2021; and
WHEREAS, the parties agree that all remaining terms and conditions of the PSA
(Agreement No. 20-021) not inconsistent with this fourth amendment, shall remain in full force
and effect.
NOW, THEREFORE, this agreement is amended to allow RI -12 Engineering, Inc. to
provide additional design engineering services, additional construction management services,
and to add additional time of performance.
Sco a of Work:
See Exhibit A.
2. Fee:
The compensation for this amendment is based on a Time and Materials Basis and is
not to exceed the amount of $949,841.00 for a total contact amount of $1, 715,221. 00.
please refer to Exhibit B for the breakdown of hours.
3. Time of performance:
The services shall now be complete for the project on or before 12/30/2023.
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DATED THIS DAY OFA/0 (le -1 b Of , 2021.
CITY OF PASCO: CONSULTANT
(52-C ;�. 01zVS91
City of Pasco R112 Engineering, Inc.
Dave Zabell - City Manager Paul Cross, PE - Project Manager
Amendment No. 4 to Professional Services Agreement Page 1
R112 Engineering, Inc.
16008 — West Pasco Water Treatment Plant Improvements
EXHIBIT A
Scope of Work
Amendment No. 4
City of Pasco
West Pasco Water Treatment Plant Improvements
12 MGD Expansion Phase I
Bidding and Construction Services
November 2021
Background
The City of Pasco (City) is growing rapidly, and its potable water demands are increasing with
population growth and local industries. The City has two water treatment plants on opposite ends of
its distribution system. While these plants can accommodate current and short-term peak demands
together, individual plant capacity must increase to meet the City's 20 -year planning projections. The
West Pasco Water Treatment Plant (WPWTP) was designed to accommodate equipment expansion
within the facility, and this is a cost-effective way for the City to handle growth.
The City retained RH2 Engineering, Inc., (RH2) to perform the preliminary design, final design, and
permitting of the Phase I WPWTP Expansion to increase treatment capacity from 6 million gallons
per day (MGD) to 12 MGD. The design also included installation of additional strainers, membrane
filtration units, filter -to -waste capabilities, a process residuals treatment and recycling system, and
various plant operational improvements.
This Scope of Work includes providing professional services during the bidding and construction
phases of the project. This Scope of Work also includes final design revisions from the 90 -percent
design review phase to include site security systems, add additional maintenance functionality,
address special permit site requirements, and other items as detailed below. This Scope of Work
includes the following tasks.
• Task 5 — Services During Bidding
• Task 6 — Services During Construction
• Task 7 — Arc Flash Analysis
• Task 8 — Final Design Additions
• Task 9 — Cyanobacteria Mitigation Feasibility Support
• Task 10 — Project Administration and Management
Task 5 — Services During Bidding
Objective: Assist the City with the advertisement and bidding of the project.
Approach:
5.1 Prepare and Submit Advertisement and Post Bid Documents: Prepare the advertisement and
submit to the City for review and approval. Prepare and post the bid documents and
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City of Pasco
WPWTP Improvements 12 MGD Expansion Phase 1
Bidding and Construction Services
Amendment No. 4
Exhibit A
Scope of Work
advertisement with Abadan Public Plan Room. It is assumed that the City will pay any
advertisement fees directly.
5.2 Respond to Questions from Bidders: Respond to bidders' technical questions, as needed during
the bidding process. It is assumed that the City will respond to procedural questions.
53 Attend Pre -Bid Meeting s: Attend and conduct two (2) pre-bid meetings, including a site visit
with the City and potential bidders.
5.4 Prepare and Issue Addenda: Prepare up to four (4) draft addenda and submit to the City for
review. Revise the addenda based on City comments and prepare final version in electronic PDF
and coordinate with City to submit to Abadan for posting. A copy of the addenda will be posted
on the City's website for viewing. Revise and update the engineer's opinion of probable
construction cost (OPCC) to reflect cost changes based on the addenda.
5.5 Review Project Bids and Provide Recommendation: Compile bid results, review the lowest three
(3) bids, check references for the lowest bidder, and prepare letter of recommendation of
award to the City. It is assumed that the City will handle bid award and construction contract
execution.
Assumptions:
• The City will be responsible for submitting the advertisement to the appropriate publications
and paying all associated fees directly. The bid documents will be distributed by an online plan
center (e.g. Abadan or similar) and no hard copies will be provided to bidders.
• The City will take the lead role during bidding, will receive all bidder questions, and will record
them for forwarding to RH2 at the City's discretion.
• The City will respond to bidders' procedural questions.
• The City will review insurance documents in the bid package(s).
• The City will conduct the bid opening. It is assumed that RH2 will not attend.
Provided by the City:
• Post electronic bid documents on the City's website.
• Receive and record questions from bidders.
• Review draft addenda.
• Submit bids to RH2 for bid tabulation.
• Review of insurance documents in bid packages.
• Bid award and construction contract execution.
• Production of construction contract documents for execution.
0A
City of Pasco Amendment No. 4
WPWTP Improvements 12 MGD Expansion Phase 1 Exhibit A
Bidding and Construction Services Scope of Work
RH2 Deliverables:
• One (1) PDF of advertisement and bid documents for posting with Abadan.
• Responses to bidders' technical questions.
• One (1) hard copy, one (1) PDF, and one (1) Word file for up to four (4) draft and final
addenda.
• One (1) hard copy and one (1) PDF of up to four (4) updated OPCCs.
• Review of non -insurance documents in bid and preparation of bid tabulation.
• One (1) hard copy, one (1) PDF, and one (1) Word file of the letter of recommendation of
award.
Task 6 — Services During Construction
Objective: Provide professional services to the City during construction of the Phase I WPWTP
improvements.
Approach:
6.1 Prepare and Provide Construction Contract Documents: Incorporate addenda changes made to
the plans and specifications during the bidding process, and issue conformed for construction
documents. Produce and distribute up to seven (7) sets of construction drawings (half-size) and
specifications, and two (2) full-size plan sets for use by the contractor, the City, and RH2. This
subtask assumes that the documents will be distributed as follows: two (2) full-size plans, three
(3) half-size plans, and three (3) specifications for contractor use, two (2) half-size plans and two
(2) specifications each for City and RH2 use.
6.2 Attend Pre -Construction Conference: Prepare for and attend the pre -construction conference,
including preparation and distribution of meeting invitations and agenda. Review roles of the
engineer, City, contractor, and other agencies involved in the project. Discuss general
construction contract provisions and review project observation and reporting responsibilities
of the engineer and the City. Describe Labor Standards requirements, prevailing wage rates,
apprentices and trainees, fringe benefits, weekly payroll, and on-site employee interviews.
Distribute forms such as certified payroll, posters, and prevailing wage rates to the contractor
and subcontractor. Prepare meeting minutes and maintain a record in the project file.
6.3 Provide Construction Consultation and Document Review: Consult with the City on construction
costs, scheduling, and constructability issues. Review shop drawings and catalog submittals of
items requested in the technical specifications. Provide a written response to the contractor
and the City accepting or rejecting each shop drawing and reviewed catalog submittal. Review
written requests for information (RFIs) and change order proposals, and provide written
responses to the contractor and the City. This subtask assumes that RH2 will provide up to
twenty-six (26) hours per week of construction contract administrative support services based
on a sixty (60) week construction schedule. Services include project management; regular
3
City of Pasco Amendment No. 4
WPWTP Improvements 12 MGD Expansion Phase 1 Exhibit A
Bidding and Construction Services Scope of Work
communications and coordination between RH2 and City/contractor staff during construction;
identifying upcoming technical issues/needs; and the scheduling, coordination, and
administration of RH2 staff and resources. it is assumed that the City will be primarily
responsible for construction contract administration and processing contractor pay requests.
6.4 Coordinate with SCADA Integrator: Develop process functional descriptions and coordinate
with the City's supervisory control and data acquisition (SCADA) integrator on programming
updates for the proposed improvements.
6.5 Provide On -Site Construction Observation: Provide part-time observation of the construction
work in progress to evaluate construction progress and conformance with the construction
documents. Prepare construction observation reports, including relevant photographs. Attend
on-site construction meetings and respond to engineering field questions. Prepare progress
reports, including contract time remaining statements. Coordinate with a certified testing
company to identify material testing and special inspection. It is assumed that part-time
construction observation includes, on average, approximately twenty-six (26) hours per week of
construction support services for sixty (60) weeks of construction observation. It is assumed that
the City will pay for material testing and special inspections. RH2 will provide coordination and
scheduling for special inspections with the City -contracted materials testing firm. The City will
pay for all compaction and concrete special inspections required for the project directly to the
materials testing firm.
6.6 Assist with DWSRF Funding Compliance: Assist the City in administering the Drinking Water
State Revolving Fund (DWSRF) requirements and provide related documentation throughout
construction. Compare contractor's work classifications with federal wages and request
additional classifications and wage rates through the Contracts Administration Unit (CAU).
Review pay requests from the contractor per DWSRF requirements. Forward approved pay
requests to the City for processing. Conduct wage rate interviews with construction staff during
each pay period to review that contractor staff are paid according to the wage rates and that
overtime hours and fringe benefits are administered correctly. Prepare documentation and
gather the American Iron and Steel certifications per DWSRF requirements. Maintain project
records to document financial, monitoring, and inspection transactions and progress reviews
throughout construction. Maintain copies of weekly certified payrolls, corrected certified
payrolls, correspondence and resolution of overtime violations, and copies of employee
interviews in the project file for the life of the loan as defined by the loan agreement.
6.7 Assist in Startup, Testing, and Project Closeout: Coordinate with the contractor, the City, and
manufacturer's representatives of the proposed equipment for the scheduled testing and
startup activities. This coordination will include the review and supplementation of the testing
protocols developed by the contractor and manufacturer's representatives, and review of the
tests and corrections. During startup, document activities and coordinate with the contractor
per their compliance with the plans and specifications. Notify the contractor and the City of
work that has not been completed bythe contractor and discuss contractor rectification. Attend
factory witness testing of the control panels and motor control center at either the
4
City of Pasco
WPWTP Improvements 12 MGD Expansion Phase 1
Bidding and Construction Services
Amendment No. 4
Exhibit A
Scope of Work
manufacturer or the control system integrator's facility. Attend final on-site walkthrough with
City staff, prepare a letter of recommendation for project acceptance for the City, and prepare
the Washington State Department of Health (DOH) Construction Completion Report (CCR) for
the portion observed by RH2 staff. Submit approved CCR or construction approval letter to CAU
prior to closing out the project to comply with DWSRF requirements. Submit a project
completion amendment to CAU through the Public Works Board online forms to finalize the
closeout process. This report must be signed by the City and submitted to CAU.
6.8 Prer)are Record Drawings: Provide record drawings representative of the as -constructed
project. Record drawings will be completed based upon contractor redlined markups to
conformed for construction drawings. Provide record drawings in electronic PDF for City
records.
6.9 Assist with Oi.)erations: Provide limited on-call assistance to the City during the first six (6)
months of operation to assist with adjusting operational settings as the new residuals handling
process begins.
Assumptions:
• RH2 is not responsible for site safety or for directing the contractor in their work.
Provided by the City:
• Construction contract administration and processing of pay requests.
• Payment for all materials testing and special inspections.
• Final completion and closeout of contract with the contractor.
RH2 Deliverables:
• Conformed for construction drawings and specifications in PDF and hardcopy format as noted
in subtask 6.1.
• Pre -construction meeting invitations, agenda, and minutes in electronic format.
• Submittal and shop drawings review and documentation in electronic PDF.
• RFls and change orders review and documentation, if required, in electronic PDF.
• Construction observation and correspondence with the City and the contractor, as requested,
within the budgeted hours authorized. Construction observation reports from site visits in
electronic PDF.
• Identification and coordination of materials testing and special inspections between the
contractor and City.
• Progress reports, including contract time remaining statements, in electronic PDF.
• Review and recommendation of contractor requests for payment in electronic format.
• Work classification and payroll review.
5
City of Pasco
WPWTP Improvements 12 MGD Expansion Phase 1
Bidding and Construction Services
Amendment No. 4
Exhibit A
Scope of Work
• Wage rate interviews with contractor staff.
• Documentation maintenance of DWSRF compliance records.
• Project completion amendment to CAU.
• DOH Construction Completion Report in electronic PDF and project closeout.
• Letter recommending project acceptance in electronic PDF.
• Record drawings in electronic PDF.
Task 7 — Arc Flash Analysis
Objective: Perform electrical short circuit, protective device coordination, and arc flash analysis for
the electrical distribution equipment at the WPWTP. Prepare a short circuit, protective device
coordination, and arc flash analysis report that summarizes the calculations and recommendations
for protective device settings and Personal Protective Equipment requirements. Produce arc flash
hazard labels for installation by the contractor on the front of the WPWTP's electrical distribution
equipment.
Approach:
7.1 Perform Site Visit: Perform a site visit to collect data on the existing electrical distribution
system and model the electrical distribution system using SKIM Power Tools software. Perform
short circuit, protective device coordination, and arc flash calculations.
7.2 Prepare Arc Flash Analysis Report: Prepare an arc flash analysis report that summarizes the
results of the short circuit, protective device coordination, and arc flash calculations for
equipment at the WPWTP. The report shall include recommended overcurrent device settings
where adjustable overcurrent devices are installed or replacement equipment where old or
obsolete devices are contributing negatively to the arc flash potential.
7.3 Produce Arc Flash Hazard Labels: Produce arc flash hazard warning labels for installation by the
contractor to meet the requirements of National Fire Protection Association 70E. Coordinate
with the contractor to adjust overcurrent device settings per the recommendations in the
report.
Assumptions:
• RH2 will rely upon the accuracy and completeness of any information, data, and materials
generated or produced by the City or others in relation to this Scope of Work.
Provided by City:
• Access to the WPWTP to review and collect data regarding the electrical distribution
equipment. Electrical equipment will need to be temporarily de -energized to obtain model
numbers of the overcurrent protection devices. De -energizing of the electrical equipment shall
be the responsibility of the City.
City of Pasco
WPWTP Improvements 12 MGD Expansion Phase 1
Bidding and Construction Services
Amendment No. 4
Exhibit A
Scope of Work
• Electrical as -built drawings and operations and maintenance manuals for the WPWTP, if
available.
RH2 Deliverables:
• Arc flash analysis report in electronic PDF.
• Arc flash hazard labeling for installation on the front of the electrical equipment at the
WPWTP during construction and testing.
Task 8 — Final Design Additions
Objective: Update the design of the WPWTP improvements according to comments received from
the City's Operations and Engineering groups after the 60 -percent and 90 -percent review and
constructability review feedback. This Task adds hours for additional design as currently allocated in
Exhibit B, Fee Estimate. Design tasks includes the following:
• Additional site/civil design for addressing the special permit conditions regarding site
landscaping/screening and concrete masonry unit block wall fencing.
• Additional site/civil design for adding a 30 -inch raw water tee and vault to facilitate cleaning
the raw water pipeline upstream of the strainers.
• Additional site/civil/structural/electrical design for a 4 -inch reverse pressure backflow
assembly and insulated and heated enclosure.
• Additional mechanical and structural design regarding revisions to the solids discharge
system into the existing retention basins.
• Additional mechanical and structural design regarding chemical tank ladder installation.
• Additional structural and mechanical design for the residuals pump station building consisting
of a concrete curb area around the ferric chloride tank for additional secondary chemical
containment, an exterior safety shower and eyewash station, an additional utility sink, and
piping modifications.
• Additional mechanical design to route a compressed air branch from the air compressor to a
proposed pipe assembly within the equalization basin to provide a bubbler system for freeze
protection.
• Additional electrical design for security system upgrades.
Task 9 — Cyanobacteria Mitigation Feasibility Support
Objective: Assist the City with identifying technologies and WPWTP retrofits for mitigating
cyanobacteria and resulting algal bloom toxins.
Approach:
9.1 Assist with Cvanobacteria Mitigation Feasibilitv Support: Coordinate with the membrane
system manufacturer and DOH as needed to identify treatment methods, WPWTP retrofit
7
City of Pasco
WPWTP Improvements 12 MGD Expansion Phase 1
Bidding and Construction Services
Amendment No. 4
Exhibit A
Scope of Work
options, and feasibility level costs to implement cyanobacteria mitigation. This Task adds
hours for engineering support as currently allocated in Exhibit B, Fee Estimate. This task does
not include preparing a DOH Project Report, design documents, or further agency
coordination to implement cyanobacteria mitigation and those tasks will be handled in
separately in a future phase of this project.
RH2 Deliverables:
• Feasibility level treatment suggestions and costs via email correspondence.
Task 10 — Project Administration and Management
Objective: Administer, manage, and monitor the RH2 project team, resources, communications,
scope progress, budget, files, and records.
Approach:
10.1 Monitor Pro'ect ProE,ress: Review and monitor project progress/schedule, scope, and budget.
10.2 Manage RH2 Team: Manage the RH2 project team and resources.
10.3 Provide Monthly Invoices: Provide monthly invoices with progress report documenting work
performed and budget status.
10.4 Communicate with City: Communicate with the City regarding project progress, invoicing, and
schedule.
10.5 Maintain Project Files: Maintain project files and records in electronic format.
RH2 Deliverables:
• Schedule, scope, and budget administration and management.
• Project team and resource management.
• Monthly invoices with progress reporting in electronic PDF.
• Communication with City.
w
EXHIBIT B
Fee Estimate
Amendment No. 4
City of Pasco
West Pasco Water Treatment Plant Improvements
12 MGD Expansion Phase I
Bidding and Construction Services
Nov -21
Description
Total
Total Labor
Total subconsultant
Total Expense
Total Cost
2,121
Hours
.................................................................................i...s.s......................................................................
Claific.aation n
C
Task 6
Services During Construction
Task 5
services During Bidding
187
$
32,753
$ $
2,121
$ 34,874
Task 6
Services During Construction
4044
$
681,992
$ $
32,926
$ 714,918
Task 7
Arc Flash Analysis
133
$
21,001
$ $
825
$ 21,826
Task 8
Final Design Additions
672
$
114,840
$ $
14,617
$ 129,457
Task 9
Cyanobacteria Mitigation Feasibility support
54
$
9,594
$ $
269
$ 9,863
Task 10
Project Adminstration and Management
178
$
37,954
$ $
949
$ 38 903
PROJECTTOTAL 5268 1 $ 898,1341 $ - $ 51,707 $ 949,841