HomeMy WebLinkAboutCH2M HILL amend #2AMENDMENT NO.4
This Amendment No. 4 is issued pursuant to the Standard Agreement for Professional
Services fully executed on April 20, 2007, Amendment No. 1 fully executed September 26,
2007, Amendment No. 2 fully executed April 22, 2008, and Amendment No. 3 fully executed
June 20, 2008 which are incorporated herein by this reference, with respect to Water
Filtration Plant Modifications and Demolition Project.
Specific Services: As stated in Attachment 1, Amended Scope Services, incorporated herein
by reference.
Compensation Provisions: As stated in Attachment 1, Amended Scope Services,
incorporated herein by reference.
Work Schedule: June 2008 through June 2009.
The Authorized Representatives designated below are authorized to act with respect to the Task
Order. Communications between the parties shall be between parties and their consultants or
subcontractors, through the Authorized Re resentatives:
For the Client
For CH2M HILL
Name: City of Oshkosh
Name: CH2M HILL, Milwaukee
Address:
215 Church Avenue, Oshkosh, WI 54903
Address:
135 S. 84th Street, Milwaukee, WI 53214
Telephone: 920.232.5365
Telephone: 414.272.2426
This Amendment No. 1 is effective this (date)
Accepted for Client by:
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This Amendment No.1 is effective this (date)
Accepted for C M HILL by: Allan Erickson
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ATTACHMENT 1: SCOPE OF SERVICES AMENDMENT NO.4
City of Oshkosh Water Filtration Plant
Modifications and Demolition P roject
Revised Professional Engineer Services
In addition to the Design Scope of Services (April 20, 2007), Amendment No. 1(September
26, 2007), Amendment No. 2 (April 99, 2008), Amendment No. 3 (June 20, 2008),
CH2M HILL completed the engineering services described below.
Engineer Services Related to Evaluation of Water Tower Alternatives
In response to the needs of the City of Oshkosh, CH2M HILL conducted additional
engineering evaluation of the Water Filtration Plant water tower and assisted the City with
public involvement regarding the Water Filtration Plant Modifications and Demolition
Project. Engineering activities focused on developing viable alternatives to deliver the
project to meet Wisconsin Department of Natural Resources requirements and maintain the
water tower. Budgetary cost estimates and schedules were prepared to inform City decision
makers. Task activities are highlighted as follows:
• Updated the water tower memorandum in response to community concerns
• Evaluated three Low Lift Pump Station alternatives in order to retain the water
tower. Prepared conceptual design sketches and conceptual level cost estimates.
• Assisted the City in retaining the services of Cornerstone Preservation to address
historic aspects of the project. Provided quality control review of Cornerstone
Preservation task report.
• Collaborated with the STS /AECOM on the structural and demolition design aspects
of the water tower alternatives. Provided quality control review of STS /AECOM
task report.
• Prepared a PowerPoint presentation and delivered it to City Council and the public
during the May 20, 2008, workshop on the project alternatives related to the water
tower.
• Participated in May 27.2008, City Council meeting to address questions on the water
tower project alternatives.
• Responded to requests for information related to historic aspects of the existing
facilities from the WDNR Water Regulatory Permit and Approval for Grading more
than 10,000 square feet adjacent to Lake Winnebago.
Engineering Services Related to Post Phase 1 Demolition
The City successfully completed Phase 1 demolition of the east sedimentation basin and the
west sedimentation basin. Subsurface conditions below these basins were not as anticipated,
! 4 .
ATTACHMENT 1 -SCOPE OF SERVICES AMENDMENT NO.2
CITY OF OSHKOSH WATER FILTRATION PLANT MODIFICATIONS AND DEMOIJTION PROJECT
based on subsurface investigation conducted previously around the basins. To define,
manage, and develop economical solutions for the geotechnical issues, STS /AECOM
performed the following task activities:
• Made onsite observations and took measurements to assist the City and CH2M HILL
in dete extent of poor soils to be removed.
• Worked as liaison between Contractor, City, and CH2M HILL to define specific
work needed to bring the site from post Phase 1 demolition condition to a starting
condition that matched the Modifications and Demolition Project contract
documents.
• Developed a plan for additional testing requirements with CH2M HILL.
• Assisted Engineer in revising the plan for CT /BWS Basin subgrade preparation
based on actual field conditions.
• Identify spoil disposal locations to minimiz costs.
• Facilitated meetings with the City and Engineer to present information and make
decisions. Maintained a record of decisions.
• Conducted observations of the Work for conformance with contract documents and
City's future potential improvement plans for site.
• Monitored material quantities and maintained records of work (no. of trucks, test
reports, etc.).
•
Monitored the sediment and erosion control practices onsite to assist the City avoid
violation with pending stormwater permit approvals.
Reviewed applications for additional compensation by change order.
Engineering Services Related to Stormwater Permits
Additional engineering services were required by Kaempfer & Associates, Inc. to respond to
requests from the Wisconsin Department of Natural Resources to obtain the Notice of Intent
and Chapter 30 stormwater permits. The additional effort was primarily related to historic
aspects of the existing facilities to be demolished.
Project Management and Documentation
CH2M HILL managed the technical work and communication during resolution of the
project issues described in this Amendment. CH2M HILL provided quality control review
of Work and expedited decisions to assist in maintaining the project schedule. Technical
information and conversations were documented.
Revised Compensation
The compensation summaries for additional engineering services are presented in Tables 1
and 2. The terms and conditions of the contract executed by both parties April 20, 2007, and
amended by both parties September 26, 2007, April 22, 2008, and June 3, 2008 are
incorporated herein by reference.
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