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ITEM 30
City Council Memorandum Public Works & Utilities Memo No. CP24-006
Date:
July 20, 2023
To:
Mayor and Council
Thru:
Joshua H. Wright, City Manager
Andy Bass, Deputy City Manager
John Knudson, Public Works and Utilities Director
Kimberly Moon, Capital Projects Manager
From:
Warren White, Principal Engineer
Subject:
Professional Services Agreement No. ST2310.201, with Olsson, Inc., for the Alley Rehabilitation PM10 Dust Emissions Reduction 3
Design
Services
Proposed Motion:
Move City Council award Professional Services Agreement No. ST2310.201 to Olsson, Inc., for the Alley Rehabilitation PM10 Dust Emissions Reduction 3
Design
Services, in an amount not to exceed $155,949.
Background/Discussion:
In 2007, Maricopa County approved a regional Particulate Matter 10 (PM10) Reduction Plan imposed by the Environmental Protection Agency (EPA). The EPA developed ambient air quality trends for particle pollution, also called particulate matter. PM10 describes inhalable particles with diameters that are generally ten micrometers and smaller. The City continues to perform alleyway rehabilitation to adhere to this regional plan.
This agreement is for design and project management services to remove the top four to six inches of various alleys (please see attached map) and replace them with crushed and compacted asphalt milling materials. The new alley roadway surfaces will be sprayed with an asphalt sealer to rejuvenate the binder in the millings. This project will reduce dust by providing an asphalt driving surface on approximately 19.99 miles of alleys.
The project scope of work consists of project management, data gathering, utility coordination, environmental commitments, design, plans, specifications, cost estimate, and coordination with the Federal Highway Administration and the Arizona Department of Transportation. The agreement completion time is 450 calendar days following Notice to Proceed. This agreement is for design and project management services only. Project construction is scheduled to occur in Fiscal Year 24-25.
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 Civil Engineering Services. Staff recommends approval of this agreement with Olsson, Inc., 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
411.3310.6517.6ST790
Streets GO Bonds
Unpaved Alley Program
$155,949
Y
Attachments
Location Map
Agreement - Olsson, Inc.
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