City of Chino
CA

Staff Report

Award a contract in the amount of $125,200 to Hazen and Sawyer, Palm Desert, CA for the preparation and completion of a Water Quality Feasibility Study.

Information

Department:Public Works DepartmentSponsors:
Category:Contract

Attachments

  1. Printout
  2. Water Feasibility Study agreement

Budget String

Revenue: Expenditure: 5207300-43650 Transfer In: Transfer Out:

Body

BACKGROUND

The City of Chino provides potable water to approximately 74,000 people utilizing 1) City produced groundwater from the Chino Groundwater Basin; 2) imported State Water Project (SWP) water from the Metropolitan Water District (MWD) through the Inland Empire Utilities Agency (IEUA), and treated by the Water Facilities Authority (WFA); and 3) desalted Chino Basin groundwater from the Chino Basin Desalter Authority (CDA).  The City currently operates three ion-exchange treatment plants designed to reduce concentrations of nitrate and perchlorate to meet potable drinking water standards. 

 

Approximately one-half of the City’s total potable water supply is derived from water produced by City-owned and operated groundwater wells.  The City owns twelve (12) groundwater wells, three of which have been removed from service due to water quality issues.  The majority of water produced from active City wells (with the exception of Well 11) undergo treatment to reduce nitrate and perchlorate concentrations below the Maximum Contaminant Level (MCL).  Additionally, current data describing the quality of the groundwater produced by City-owned wells indicates that all of the City’s wells contain concentrations of 1,2,3-TCP that exceed the recently promulgated MCL.  (The City is proceeding with treatment measures to comply with the 1,2,3-TCP MCL.)

 

The City is seeking a permanent solution to fully utilize all City wells by addressing various water quality issues through a City-wide Water Quality Feasibility Study (Feasibility Study).  The Feasibility Study will identify a matrix of alternative actions (including, but not limited to, the design and installation of additional water treatment equipment) that the City may implement in order to address potential emerging water quality issues.

 

On July 3, 2017, the City formally released a Request for Proposals (RFP), which was published on PlanetBids to retain a professional consulting firm for the preparation and completion of a Water Quality Feasibility Study.  On July 26, 2017, the City received five (5) proposals, which were ranked as follows: 

 

RANKING:

SCORE

1. Hazen and Sawyer, Palm Desert, CA

88%

2. Corona Environmental Consulting, Newark, CA

78%

3. ES Engineering Services, Irvine, CA

72%

4. Stetson Engineers, Covina, CA

71%

5. Civiltec Engineering, Monrovia, CA

67%

 

ISSUES/ANALYSIS

Staff evaluated the proposals based on the understanding of the work to be performed, quality of professional service staff, experience with similar work, and the anticipated availability of professional service staff, as described in the RFP.  Staff’s evaluation resulted in a determination that Hazen and Sawyer, Palm Desert, CA was the most responsible and responsive firm, based on the RFP criteria previously described.  Therefore, staff is recommending that City Council award a contract to Hazen and Sawyer, in the not-to-exceed amount of $125,200 to prepare and complete a Water Quality Feasibility Study.

 

JA/DC/sm

Meeting History

Sep 19, 2017 7:00 PM Video City Council Regular Meeting
draft Draft
RESULT:APPROVED [UNANIMOUS]
MOVER:Gary George, Council Member
SECONDER:Earl C. Elrod, Council Member
AYES:Gary George, Paul Rodriguez, Eunice M. Ulloa, Tom Haughey, Earl C. Elrod