ITEM:		CONSENT CALENDAR
2.	CONSIDER AUTHORIZING A CONTRACT WITH TM PROCESS & CONTROLS, INC. TO PROVIDE ASR WELL TURBIDITY CONTROL
Meeting Date:			August 19, 2024	Budgeted:	Yes
From:			David J. Stoldt	Program/	Water Supply Projects
			General Manager	Line Item:	Project 1-2-1-A
Prepared By:			Maureen Hamilton	Cost Estimate:	$57,749.00
General Counsel Review: N/A
Committee Recommendation: The Finance and Administration Committee reviewed this item on August 12, 2024 and recommended approval.
CEQA Compliance: This action is a categoric exemption from CEQA under CEQA Guideline Section 15301 for minor alteration of existing facilities involving no expansion of use. District will prepare a NOE for this effort.

SUMMARY: On two separate occasions within the past 3 years ASR wells have needed rehabilitation due to turbidity excursions. Staff recommends adding turbidity control at the Santa Margarita site to automatically shutdown ASR injection upon detection of turbid injection water. The work would include design, materials, installation and programming, and start-up support.

Process control services are special professional services provided by engineering consultants due to technical complexity. Following a request for qualifications from local electrical and control engineering firms, staff selected TM Process and Controls, Inc. (TMPC) as the best qualified firm for the project. TMPC has been in business since 2015, has two offices in Northern California, works in the area, is highly recommended, and has 11 Chemical Engineers and 5 Electrical Engineers on staff.

The cost quotation exceeds the amount in the Turbidity Meter Emergency Shutoff budget line item; the balance of $7,749.00 will be funded by the Small Projects Design line item under the same budget account and objective.

RECOMMENDATION: The Finance and Administration Committee recommends that the Board of Directors authorize the General Manager or his designee to enter into a contract with TM Process & Controls, Inc. in the amount of $52,499.00 with a 10% contingency for a total not-to-exceed amount of $57,749.00 to provide ASR well turbidity control.

BACKGROUND: On December 25, 2021 ASR4 well experienced significant plugging during injection, indicated by very high water levels. ASR4 was the only well in service; ASR1 and ASR2 were on standby to not interfere with the Pure Water Monterey tracer study, and ASR3 was being certified for use as a production well. ASR4 lost approximately 30% of its specific injection capacity and was rehabilitated.

On March 6, 2024 ASR1 and ASR2 wells experienced significant plugging during injection, also indicated by very high water levels. The wells lost approximately 30% of their specific injection capacities and are currently being rehabilitated.

Prior to the 2021 event, there are no documented findings of ASR well plugging due to injected water turbidity. Beginning around 2020 new infrastructure was brought on-line to increase system flexibility as water production shifted from the Carmel River to the Seaside Groundwater Basin. Infrastructure will continue to be added to the system as new water supply and production projects are brought on-line. Staff recommends continuous turbidity monitoring and control so that ASR injection is stopped should turbid water be detected.

The cost breakdown with local taxes and requested contingency is provided in the following table:

Description	Quote		Tax Rate	Total
Controls Engineering	$10,792.00			$10,792.00
Installation and Programming	$12,018.00			$12,018.00
Hardware and Materials	$27,175.00		9.25%	$29,689.00
Subtotal				$52,499.00
Contingency		10.00%		$ 5,250.00
Total				$57,749.00

EXHIBIT

2-A Draft Contract

U:\staff\Boardpacket\2024\08192024\Consent Calendar\02\Item-2.docx