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ITEM 36
City Council Memorandum Public Works & Utilities Memo No.
CP22-043
Date:
October 14, 2021
To:
Mayor and Council
Thru:
Joshua H. Wright, City Manager
Debra Stapleton, Assistant City Manager
John Knudson, Public Works and Utilities Director
Andrew Goh, Capital Projects Manager
From:
Gina Ishida-Raybourn, Utilities Engineering Manager
Subject:
Professional Services Agreement No. WW2005.451, with Dibble CM, LLC, for the Chandler Heights Road Sewer Rehabilitation Construction Management Services
Proposed Motion:
Move City Council award Professional Services Agreement No. WW2005.451, with Dibble CM, LLC, for the Chandler Heights Road Sewer Rehabilitation Construction Management Services, in an amount not to exceed $59,969.
Background/Discussion:
The Public Works & Utilities Department administers an ongoing Wastewater Sewer Assessment Program to evaluate, prioritize, and repair deteriorated sewer pipes and manholes within the City’s collection system. As part of this program, approximately 900 linear feet of 18-inch diameter sanitary sewer pipe and three existing sewer manholes in Chandler Heights Road, west of Gilbert Road, require rehabilitation. While the sewer infrastructure in this area is only about 17 years old, the existing pipeline material is unsuitable for the corrosive nature of the sewer environment. The method of sewer pipeline rehabilitation is via Cured-In-Place-Pipe (CIPP), which is an industry standard method to rehabilitate pipeline in-situ. The CIPP method requires a full sewer flow bypass and the existing sewer manholes accessed for this work will also be repaired in-situ. This sewer rehabilitation work is being prioritized ahead of a streets project anticipated to start in Spring 2022.
The project scope of work consists of pre-construction assistance, construction management, construction inspection, engineering post design services, specialty inspections, and record drawings. The contract completion time is 120 calendar days following Notice to Proceed.
A related Construction Contract with B & F Contracting, Inc., for the Chandler Heights Road Sewer Rehabilitation, is also scheduled for this City Council meeting.
Evaluation:
The selection process was conducted in accordance with City policy and procedure and State law. This project is being performed under the On-Call Consultant Pre-Qualified List for Construction Management Services. Staff recommends approval of this agreement with Dibble CM, LLC, based on qualifications, relevant firm experience, team experience, project understanding, and project approach.
Fiscal Impact
Account No.
Fund Name
Program Name
Dollar Amount
CIP Funded Y/N
611.3910.6817.6WW266
Wastewater Bonds
Sewer Assessment and Rehabilitation
$59,969
Y
Attachments
Location Map
Agreement - Dibble CM, LLC
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