5. STAFF BRIEFINGS
5.1
WATER SUPPLY AND RECYCLED WATER SUPPLY UPDATE
Staff will update the Board on water supply and recycled water supply
issues. The Board may discuss this item and give direction to staff.
Attachments:
Presenter(s): Peter Martin, Deputy Director Water Resources and
Joe Schwall, Deputy Director Regional Water Reuse Operations.
6. CONSENT ITEMS - NONE.
7. REPORT ITEMS
7.1
REPORT - APPROVAL OF AMENDED AND RESTATED
MEMORANDUM OF UNDERSTANDING AND PROFESSIONAL
SERVICES AGREEMENT - ULTRAVIOLET LIGHT DISINFECTION
EQUIPMENT SYSTEM PRE-SELECTION
BACKGROUND: Ultraviolet Light (UV) is the primary disinfection
process for the Laguna Treatment Plant (LTP). In 2012, the Division of
Drinking Water (DDW) re-evaluated and subsequently de-rated the
disinfection system capacity, resulting in deficiency under certain wet
weather flow and/or low UV transmittance conditions. Additionally, the
existing UV equipment was commissioned in 1998 and is at the end of
its useful life. These conditions triggered the need to evaluate
disinfection equipment options to ensure that LTP has adequate
disinfection capacity up to 67 million gallons per day. Through various
analyses, the City determined that replacing the existing UV system with
a new UV system is the most feasible approach to address the capacity
and reliability deficiencies.
RECOMMENDATION: It is recommended by the Transportation and
Public Works Department, the Water Department, and the Contract
Review Subcommittee that the Board of Public Utilities, by resolution:
1. approve an Amended and Restated Memorandum of Understanding
with Calgon Carbon, of Coraopolis, PA (Supplier), guaranteeing an
equipment purchase price of $5,634,700.00 for a period of 22 months;
2. approve a Professional Services Agreement with the Supplier for
design support services in the amount not to exceed $86,000.00; and
3. authorize the Santa Rosa Water Director to negotiate and execute an
amendment to the MOU that will allow an extension to the price
guarantee beyond the established 22 months, if needed.