BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Amendment No. 1 to Consultant Agreement No. A4034G, with GHD, Inc. for Additional Reverse Osmosis Concentrate Management Evaluation for the Recycled and Purified Water Program, Project No. 91101004.
End
RECOMMENDATION:
Recommendation
Authorize the District Chief Executive Officer (CEO) to negotiate and execute Amendment No. 1 to Consultant Agreement No. A4034G (Agreement), with GHD, Inc.to provide up to $842,000 for Additional Reverse Osmosis Concentrate Management Evaluation for the Recycled and Purified Water Program, which will result in a revised total Agreement not-to-exceed amount of $2,308,524.50 and an extension of the Agreement term by one year.
Body
SUMMARY:
On October 25, 2016, the Board approved an agreement with GHD, Inc. (GHD) for consultant services for the Reverse Osmosis Concentrate (ROC) Management Project, Project No. 91101004. The Project will develop ROC management plans that provide recommendations for implementation of a county-wide solution to ROC management, taking into consideration the unique characteristics and limitations at potential advanced water purification facilities (AWPFs). The scope of work includes testing of contaminants of emerging concern (CECs) that may be present in ROC, as well as pilot treatment of identified CECs by advanced oxidation processes and engineered treatment cells. The testing and piloting portion of the project will be carried out in partnership with the San Francisco Estuary Institute (SFEI), University of California at Berkeley (UCB), and Stanford University.
District staff with assistance from GHD have been evaluating project deliverables, milestones, and timelines; collaborative research efforts on Engineered Treatment Cells (ETC) with local universities; pilot system and modeling recommendations from regulatory agencies; and opportunities to consolidate and extend project deliverables, tasks and timelines. Staff has also coordinated the pilot study ...
Click here for full text