FROM: Robert Thompson, General Manager
Originator: Riaz Moinuddin, Director of Operations & Maintenance
SUBJECT:
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PURCHASE OF LIQUID FERRIC CHLORIDE
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Approve a Chemical Supplier Agreement with Pencco, Inc. for the purchase of liquid ferric chloride, Specification No. C-2023-1381BD, for the period beginning May 1, 2023 through October 31, 2023, for a unit price of $1,250 per dry ton delivered, plus applicable sales tax, for a total six-month estimate of $2,500,000;
B. Approve a Chemical Supplier Agreement with Kemira Water Solutions, Inc. for the purchase of liquid ferric chloride, Specification No. C-2023-1381BD, for the period beginning May 1, 2023 through October 31, 2023, for a unit price of $1,153.97 per dry ton delivered, plus applicable sales tax, for a total six-month estimate of $1,730,955;
C. Approve the option to renew the Chemical Supplier Agreement with Pencco, Inc. over a five-year period beginning May 1, 2023 through April 30, 2028 with renewal terms not to exceed a 12-month term, and renewal adjustments of unit pricing not to exceed a unit price of $1,562.50 per dry ton delivered (25%); and
D. Approve the option to renew the Chemical Supplier Agreement with Kemira Water Solutions, Inc. over a five-year period beginning May 1, 2023 through April 30, 2028 with renewal terms not to exceed a 12-month term, and renewal adjustments of unit pricing not to exceed a unit price of $1,442.46 per dry ton delivered (25%).
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BACKGROUND
Ferric chloride is used at both Orange County Sanitation District (OC San) treatment plants to enhance primary solids coagulation and maintain hydrogen sulfide levels below Air Quality Management District (AQMD) permit levels. Ferric chloride also reduces plant odors and corrosion. Staff estimates 580 dry tons of ferric chloride usage per month (approximately 7,000 dry tons annually) at the treatment plants...
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