HomeMy WebLinkAboutAECOM Proposal for Completion 2017 Leak DetectionAECOM
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Mr. Bob Johnson
Water Distribution Superintendent
757 W Td Avenue
Oshkosh, Wisconsin 54901
b'ohnson@ci.oshkosh.wi.us
AECOM
558 North Main Street
Oshkosh, WI 54901
aecom.com
September 15, 2017
AECOM Proposal No.
OPP-622851
Proposal for Completion of 2017 Leak Detection Services in Oshkosh, Wisconsin
Dear Mr. Johnson,
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AECOM is pleased to submit this proposal to conduct a Leak Detection Survey on approximately 100 miles of water
main in the City of Oshkosh's water distribution system in 2017. The proposed services represent the first phase of
investigation activities to be completed on the historic cycle of leak detection survey activities to be completed on the
City of Oshkosh Municipal Water Supply system. The 2017 scope of work (Phase 1) area is generally bounded by
Oregon and Jackson Streets in the west; the city limits to the north, Lake Winnebago to the east and 24th Avenue to
the south. The second and third phases of this program are anticipated for completion in 2018 and 2019. The
purpose of the annual surveys is to identify specific points of leakage such that system rehabilitation can be
undertaken and lost water reduced.
The remainder of this proposal discusses the scope of services to be completed, schedule, information/assistance
required from client and compensation.
SCOPE OF WORK
Services to be provided are as follows:
Meet with Client to review existing water distribution systems maps, pertinent water system reports and the
schedule for conducting the leak detection field services.
Conduct a leak detection and location survey with sonic detection and computer correlation equipment on
approximately 100 miles of the water distribution system. Physical contact will be made with the system at
exposed valves and fire hydrants. After the initial sonic leak survey of a portion of the system is completed,
indications of leaks will be verified a second time, after which leaks will be located with a computer programmed
leak correlator designed to pinpoint leak locations without drill holes or excavations. Where leakage into a storm
or sanitary sewer is suspected, a visual examination of the appropriate sewer will be conducted. All equipment
used will be non -intrusive. Valves and hydrants will not normally require operation during the survey and
pinpointing operations. This survey will be conducted. primarily during normal working hours, with additional leak
detection being conducted during late evening and/or early morning hours in areas of high traffic volume.
Prepare an inventory of defective system components such as valves, hydrants, meters and curb stops, which
are noted in the course of carrying out field activities.
AECOM will furnish a fully equipped vehicle, including all sonic leak detection equipment, tools and safety
equipment for the duration of the project. Our Fluid Conservation System computer leak correlators will be
utilized to pinpoint leaks.
Prepare a yearly final report and submit five (5) copies of the report showing the results of the investigations.
The report shall include a summary of the project and a list of leakage located by type, location, and estimated
quantity of leakage. The final report will contain recommendations for future work based on the results of this
survey.
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Leak Detection Phase: 4-5 weeks
Yearly Final Report: 2-4 weeks after field work
CLIENT'S RESPONSIBILITIES
Client, at its expense, shall do the following in a timely manner so as not to delay the Services.
Furnish AECOM the following information/reports/assistance, all of which AECOM may rely upon without independent
verification in performing the Services.
All available street maps and water distribution system maps.
One (1) experienced person with a good working knowledge of the water distribution system to assist on a part-
time basis in field activities such as location of system components.
Access to valves and curb stops by uncovering and cleaning valves and curb boxes, where required, prior to
initiation of field activities.
The City of Oshkosh agrees to hold harmless and indemnify AECOM against any liability arising out of the items
above for which the City is responsible.
CLIENT REPRESENTATIVE
Designate a representative for the Project who shall have the authority to transmit instructions, receive information,
interpret and define Client's policies, and make decisions with respect to the Services.
COMPENSATION
Compensation for the services as presented of this agreement will be on a lump sum basis as follows:
2017 Services (100 miles): General area bounded by Oregon and Jackson Streets
in the west; the city limits to the north, Lake Winnebago to the east and 24th Avenue $21,485.10
to the south
Project Management / Report Preparation $1,750.00
Total $23,235.10
Please note the lump sum fee will be adjusted if the segment length is reduced or increased. The above described
scope of services will be performed in accordance with the negotiated AECCOM and City of Oshkosh Terms and
Conditions dated April 2009.
We appreciate this opportunity to provide services to the City of Oshkosh. If you desire to proceed with these services
please sign the attached authorization form and return to Paul Timm. If you have any questions concerning the
information contained herein, please feel free to contact us.
Yours sincerely,
AECOM Technical Services, Inc.
Tim Wolf
Project Engineer
encl: Authorization
Thomas J. Holtan, P.E.
District Manager
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AECOM
558 N Main Street
Oshkosh, Wisocnsin 54901
920.236.6710
Authorization
September 15, 2017
I hereby certify that the necessary provisions have been made to pay the liability, which will accrue under this contract.
I hereby authorize AECOM to proceed with the scope of work for the Completion of 2017 Leak Detection Services in
the City of Oshkosh as described in AECOM's proposal OPP-622851 dated September 15, 2017, with a budget
authorization of $23, 235.10 under the general terms and conditions specified in the proposal.
01
Signa ure
Mark A Rohloff
Print Name
City Manager
Title/Organization
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City Crkk
Titl;are anization
Lynn A. Lorenson
Print Name
City Attorney
Title/Organization
Signature
Trena Larson
Print Name
Director of Finance
Title/Organization
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Date
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Date
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Date
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Date
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A=COM
I agree to accept invoices from AECOM via e-mail and not postal mail:
Yes
Signature:
E-mail address:
Recipient Mr/Ms:
Return to:
Name: Paul Timm
Address: 558 N. Main Street, Oshkosh, WI 54901
Phone: 920-236-6718
E-mail: Pa�iLTinarn<<_Tec�m.cc>rr
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