HomeMy WebLinkAboutGray & Osborne Inc - PSA Amendment 1 - Primary Clarifier UpgradeAMEND
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ORIGINAL PROFESSIONAL SRVINUMBER AGREEMENT
Construction Management and Inspection Services
for the Primary Clarifier Upgrade Project
WHEREAS, the City and Gray & Osborne. Inc. entered into a Professional Services
Agreement on September 23. 2015 to provide engineering services with respect to the Prim
Clarifier Upgrade project.
NOW, THEREFORE, this agreement is amended to allow Gray & Osborne Inc. to
provide additional engineering services as described on Exhibit A.
1. Scope of Work:
Additional tasks are outlined in Exhibit A.
2. Fee:
The compensation for the additional work is based on an hourly basis not to exceed the
amount of $197,421, for a total contract amount of $491,161.
3. Time of performance:
The services shall be complete for the project in accordance with the construction
schedule.
DATED THIS "/ DAY OF
CITY OF PASCO:
Dave Zabell, anage
ATTEST:
A,, oa. 0 /),
De bie Clark, City Clerk
Amendment No.I to Professional Services Agreement
Gray & Osborne, Inc.
Primary Clarifier Upgrade Project
2016.
CONSULTANT: Gray & Osborne, Inc.
Michael B. Johnson, President
APPROVED AS TO FORM:
Leland B. Kerr, City Attorney
Page I
EXHIBIT "A"
SCOPE OF WORK
CITY OF PASCO
EXTENDED - CONSTRUCTION MANAGEMENT AND INSPECTION
SERVICES FOR THE PRIMARY CLARIFIER UPGRADE PROJECT
The City of Pasco is constructing two new primary clarifiers, a new sludge pump room
and modifying the headworks as necessary to accommodate the new clarifiers. Gray &
Osborne has been contracted for construction management services. This amendment is
for additional services related to construction management including additional
inspection, submittal reviews and the update of the W WTF O&M manual. In addition,
the City desires to redesign the site grading, two electrical panels (LCP250 AND
LCP251), and add VFDs to the sludge pumps.
CONSTRUCTION MANAGMENT SERVICES
Objective: Provide additional construction management services including the update of
the W WTF O&M Manual, submittal review of the equipment O&M manuals and the
HMI/PLC programming code and provide record drawings of the facility. The City also
desires to continue full time resident inspection through the conclusion of the
construction project.
• Update the O&M Manual to incorporate Primary Clarifiers 3 and 4, the
new sludge pump room, modifications to the Headworks, and all related
piping and process modifications.
• . Assist the City with submitting the updated O&M Manual to Ecology for
review.
• Provide three hardcopy and one electronic copy of the final updated O&M
Manual in Microsoft WORD format and PDF format.
• Provide a submittal review of the PLC and HMI code, resubmittals will be
reviewed as necessary until submittal acceptance. This scope includes
assistance with startup and troubleshooting as related to the PLC/HMI
controls.
• Provide a submittal review of the equipment O&M manuals, resubmittals
will be reviewed as necessary until submittal acceptance.
• Prepare record drawings from field observations and information provided
by the Contractor.
• Extend Resident Inspection to the end of July 2016. Resident inspector's
time onsite will be appropriate for the level of construction activity.
(May 19, 2016) Page 1 of 3
REDESIGN SITE GRADING PLAN
Objective: Redesign the final grading plan at the direction of the City staff to provide for
better access for services trucks around the primary clarifiers and the scum pump station.
Provide design plans to the City for review and incorporate City
comments.
Provide new grading plan to the Contractor to obtain a change order
proposal for the work.
Review and assist the City with change order negotiation.
PANEL LCP250 AND LCP251
Objective: Redesign the LCP250 and LCP251 at the direction of the City staff to relocate
the scum pump station VFDs inside the building while providing remote control at the
scum pump station.
Provide design plans to the City for review and incorporate City
comments.
Provide new panel designs to the Contractor to obtain a change order
proposal for the work.
Review and assist the City with change order negotiation.
DESIGN SLUDGE PUMP VFDS
Objective: Replace the reduced voltage soft starts at the primary sludge pumps with
variable frequency drives.
Provide design plans to the City for review and incorporate City
comments.
Provide new design to the Contractor to obtain a change order proposal for
the work.
Review and assist the City with change order negotiation
SERVICES PROVIDED BY THE OWNER
This amendment assumes the services provided by the Owner will continue as
specifically detailed in Amendment No. 1. In addition, the City will need to provide the
following:
Electronic (MS WORD) copy of the City's O&M manual including all
appendices, figures, etc. (already obtained).
AutoCAD drawings of the primary clarifier upgrade project.
(May 19, 2016) Page 2 of 3
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