CITY OF SAN MATEO
RESOLUTION NO. ____ (2026)
APPROVING AN ALTERNATIVE PURCHASING PROCEDURE FOR AN AGREEMENT WITH CAROLLO ENGINEERS,
INC FOR THE WASTEWATER TREATMENT PLANT DISSOLVED AIR FLOTATION TANK (DAFT) REPLACEMENT
PROJECT
WHEREAS, the Wastewater Treatment Plant (WWTP) is an aging facility, and the Clean Water Program (CWP) includes a variety of capital improvement projects to rehabilitate and upgrade the existing WWTP facilities; and
WHEREAS, the Dissolved Air Flotation Tank (DAFT) Replacement Project (Project or Daft Replacement Project) is a project intended to enhance performance and improve reliability of the sludge thickening requirements, integrate with GMP-3 upgrades, and provide safe, efficient, and reliable operation for the next 20 years; and
WHEREAS, Municipal Code section 3.60.070(h)(3) provides that the City may use alternative purchasing procedures approved by the City Council if the City Council makes a finding concurrent with the award for the contract that the procedures are in the best interest of the City for the particular contract; and WHEREAS, entering into an agreement with Carollo Engineers, Inc. (Carollo) for professional design services and professional services during construction for the Project is in the best interests of the City because Carollo has unique familiarity with the City’s solid handling system, operational challenges, and long-term Operations and Maintenance (O&M) requirements of the DAFT system based on preceding work.
NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF SAN MATEO, CALIFORNIA, HEREBY RESOLVES that:
1. The Council action approving this agreement is categorically exempt from CEQA review as an “existing facility,” in that it consists of the operation, repair, maintenance, permitting, leasing, licensing, or minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of existing or former use. (CEQA Guidelines Section 15301.)
2. Pursuant to San Mateo Municipal Code Section 3.60.070(h)(3), an agreement with Carollo Engineers, Inc. to provide design professional services for the DAFT Replacement Project is in the best interests of the City because:
a. The DAFT system needs urgent replacement and requires a streamlined procurement approach to initiate design within a reasonable timeframe and costs; b. Carollo Engineers, Inc. was selected through an RFP process for an on-call agreements and was one of two firms selected to perform on-call professional services for the WWTP; c. As part of preceding task orders under the on-call agreement, Carollo performed the study for the replacement of the DAFT system and has extensive knowledge about the DAFT system and the recommended solution;
1 3
0 8
5 d. Because of Carollo’s pre-existing experience with the DAFT system, it is best suited to provide efficient and complete design professional services for the DAFT Replacement Project; and
e. Another consultant would require more time, money, and resources to understand and perform much of the effort that has already been conducted.
3. The agreement with Carollo Engineers, Inc. to provide professional services for design and engineering services during construction in an amount not to exceed $964,300, with a contingency reserve of $145,000, is approved.
4. The Public Works Director is authorized to execute this agreement and task amendments within the contingency amount in substantially the form presented.