RFP - Term Contract for Corrosion Engineering Services

Agency: City of Rochester
State: New York
Type of Government: State & Local
NAICS Category:
  • 541330 - Engineering Services
Posted Date: Nov 8, 2023
Due Date: Dec 4, 2023
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RFP - Term Contract for Corrosion Engineering Services

The City Water Bureau is seeking the services of a Consultant for a term contract for Corrosion Engineering Services.

Anticipated services include, but are not limited to:

  • Inspection, Testing and Corrosion Survey Services
  • Infrastructure Condition Assessment
  • Cathodic Protection System and Pipeline Corrosion Assessment/Design
  • Over-Line Cell Testing/Survey
  • Stray Current Testing/Survey
  • Interference Testing, Evaluation and Recommendations

A Pre-Proposal (Zoom) Meeting is scheduled for 10:00 AM (Local Time), Wednesday, November 15, 2023, details of which are listed in the RFP.

Proposals (digital PDF and five (5) printed copies) are due by 4:00 PM (Local Time), December 4, 2023 to the attention of Michael Bushart, P.E. , Managing Engineer/Water Design, Rochester Water Bureau, 10 Felix Street, Rochester, NY 14608.

Communications regarding this RFP should be directed to Michael.Bushart@CityofRochester.Gov

Attachment Preview

City of Rochester
Request for Proposals
PROFESSIONAL ENGINEERING SERVICES
FOR
Corrosion Engineering Services
Proposals to be received by 4:00 PM
December 4, 2023
Submit Proposals to:
Michael J. Bushart, P.E.
Managing Engineer/Water Design
City of Rochester DES/Water Bureau
10 Felix Street
Rochester, NY 14608
Issued: November 8, 2023
TABLE OF CONTENTS
SECTION
PAGE
1.0 INTRODUCTION........................................................................................ 3
2.0 BACKGROUND.......................................................................................... 3
3.0 COMMUNICATIONS ................................................................................. 5
4.0 SCOPE OF SERVICES ................................................................................. 6
5.0 PRE-PROPOSAL MEETING......................................................................... 8
6.0 PROPOSAL PREPARATION AND SUBMISSION PROCESS............................ 8
7.0 PROPOSAL CONTENT ............................................................................... 9
8.0 EVALUATION CRITERIA............................................................................. 10
9.0 MISCELLANEOUS...................................................................................... 12
EXHIBITS (to be completed and returned with Proposal)
A. City of Rochester Professional Consultant Services Workforce Staffing Plan
B. City of Rochester MWBE Utilization Plan Professional Consultant Services
C. Consultant Information Form
APPENDICES
A. Article I (DRAFT) and Article II of Standard Professional Services Agreement
RFP Corrosion Engineering Services
Page 2
REQUEST FOR PROPOSAL
1.0 INTRODUCTION
The City of Rochester (City) Water Bureau is soliciting proposals from an experienced and qualified firm
to provide assistance in corrosion engineering and cathodic protection for both small and large diameter
cast iron (CI), ductile iron pipe (DIP), and steel water mains located in the Upland Transmission System
(Uplands System), Domestic Distribution System (Distribution System), and the Holly Fire System (Holly
System). Work will involve evaluation, recommendation, design and inspection of cathodic protection
systems. Metallic water mains in most cases are buried; however, some may be submerged in water.
This project will be administered and managed
by the Engineering Division of the Bureau. The
Bureau is a unit of the Department of
Environmental Services (DES).
Interested firms shall prepare a comprehensive
proposal for the services required to
successfully perform the scope of work for the
Corrosion Protection Project as described in this
Request for Proposal (RFP).
Firms shall also be prepared to comply with all
the City’s contractual requirements and hiring
practices. The Appendix contains a draft copy of
Article I and Article II of the Professional
Services Agreement (PSA) that will be executed
between the City and the selected Consultant.
Article I of the Agreement will be finalized
during the negotiation process with the
Consultant.
2.0 BACKGROUND
Since 1876, the Water Bureau has been
delivering quality drinking water from Hemlock
and Canadice Finger Lakes to the City. On a
yearly average, the City’s Hemlock Lake Water
Filtration Plant (Hemlock WFP) produces 37
million gallons per day (MGD), which is delivered to the residents and businesses in the City and
wholesaled primarily to the Monroe County Water Authority (MCWA), the Town of Livonia, Livingston
County Water & Sewer Authority and the Town of Lima.
Treated water flows by gravity from Hemlock WFP through a 6-foot x 6-foot horseshoe shaped masonry
brick tunnel for approximately 2 miles to an underground Conduit Header Structure. The tunnel was
constructed in 1894. A 60-inch diameter fiberglass composite pipe was installed in the tunnel in 1991. A
36-inch diameter steel bypass pipe (Tunnel Bypass), which runs parallel of the tunnel, was installed in
RFP Corrosion Engineering Services
Page 3
1964. An impressed current cathodic protection system was installed on the Tunnel Bypass several years
later.
From the Conduit Header Structure, three conduits (Conduits 1, 2, and 3) extend north to Rush
Reservoir. From Rush Reservoir, all three conduits extend northerly to the City’s Highland and Cobbs Hill
Reservoirs. The conduits range in size from 24-inches to 38-inches in diameter. Conduit 1 was
constructed between 1874 to 1875 using wrought iron and CI pipe. Conduits 2 was constructed between
1893 and 1894, which consists almost exclusively of riveted steel pipe. Conduit 3 was constructed
between 1914 and 1918 using lockbar steel and CI pipe. A 24-inch diameter spiral welded steel pipeline
connecting Conduits 2 and 3 with Conduit 1 (Crossover) was constructed in 1934. The Crossover was
replaced in 2001 with 30-inch diameter DIP. A 9.6 mile section of Conduit 1, between the Conduit
Header Structure and the Crossover, has been taken out of service since the mid-1960s due to extensive
leaking.
The City maintains over 590 miles of water mains of various sizes within the water Distribution System.
The water Distribution System contains over 7,200 fire Hydrants and over 58,000 metered water
services. The Water Bureau provides domestic water and fire-fighting water to the residents of the City
as well as provides water to all industry and businesses located within the City. The City also maintains a
high-pressure firefighting water system that is located primarily within the central business district. This
non-potable water system is referred to as the Holly System. The pump station for the Holly System is
located on Mill Street. The Holly System supplies sprinkler systems and some fire hydrants. This system
consists of approximately 21.4 miles of water mains ranging in size from 4-inches to 20-inches diameter.
Water Main Materials
Maintenance performed on the Conduit System has varied throughout the years. Approximately 22
years after installation of Conduit 1 there were over 1,000 leaks that had been repaired between
Hemlock Lake and Rush Reservoir. The majority of these leaks were on the wrought iron sections and
were primarily attributed to leaking lead joints. Additionally, some corrosion pitting occurred in the
wrought iron piping. Numerous corrosion holes were repaired approximately 7 years after the
installation of Conduit 2. A pipeline exterior recoating operation was started on the conduits, which
continued for more than a decade. Significant portions of the conduits had an application of cement
mortar lining applied to the pipe interior in the 1940s and 1950s. A substantial reduction in the number
of reported leaks was observed several years after the cement mortar lining was installed. By 1974, the
entire Conduit System had received a cement mortar lining.
Besides the cathodic protection system on the Tunnel Bypass, an impressed current cathodic protection
system with sacrificial anodes and test stations was installed on approximately 10 miles of Conduits 2
and 3 in the early 2000s.
Over the years, the existing sections of the 24-inch diameter wrought iron pipe for Conduit 1 has been
replaced, with the last remaining 14,000 linear feet located within the Towns of Rush and Mendon
replaced with a tape wrapped spiral welded steel pipe with a cement mortar lining in 2005.
In 2017, the City engaged a consultant to design on impressed current cathodic protection system for
Conduits 2 and 3 from Sycamore Ridge to the Rush Reservoir in the Towns of Rush and Mendon. The
project was completed in 2021.
Installation of the City’s Water Distribution System began in 1873. CI pipe was the material used up
until the 1970’s when the City started using DIP. Beginning in the mid 1950’s, CI and DIP water mains
were installed with a factory applied cement mortar lining. All of the water mains installed between the
RFP Corrosion Engineering Services
Page 4
early 1970’s and 2005 were DIP. From 2005 to the present, Polyvinylchloride (PVC) and Molecularly
Oriented PVC (PVCO) have been predominantly used with limited use of DIP due to external corrosion
and breakage concerns.
In the early 2000’s, the City engaged a corrosion specialist to perform an evaluation of the distribution
system within the City in response to several corrosion related failures of DIP that had been in service
for only 20 years, while much older CI pipe was still in good condition. Some of the original CI pipe is
150 years old and still performing adequately today. Due to the increasing number of failures on DIP
that were only 20 to 30 years old, the City evaluated cathodic protection systems and other pipe
materials for the water distribution system.
In 2005, PVC was included in the City’s approved products list and in 2007 PVCO was added to the list.
PVCO is now the preferred material for water main replacement in the 6 to 12 inch diameter pipe size
ranges. DIP is allowed in areas of high pressure, hydrocarbon soil contamination, and for some water
mains and services. Additional requirements are placed on its use; including, polyethylene wrap,
magnesium anode installation, joint bonding and installation of cathodic protection test stations.
Approximately 25% of the pipe in the City’s water distribution system is DIP or about 150 miles of water
main.
3.0 COMMUNICATIONS
All communications by parties who have indicated an intent to submit or have submitted a proposal in
response to this RFP (“Respondents”), including any questions or requests for clarifications, submission of
the proposal, requests for status updates about the proposal selection process and any other inquiries
whatsoever concerning this RFP shall be sent, in writing, to the following City staff person (“City
Contact”):
Michael Bushart, P.E.
Managing Engineer
Rochester Water Bureau
10 Felix Street
Rochester, NY 14608
Michael.bushart@cityofrochester.gov
RFP Corrosion Engineering Services
Page 5

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