2021/09/29 Council Agenda Packet

2.7 WATER FILTRATION PLANT DELIVERY INFORMATION The Water Filtration Plant (WFP) is located at 6133 Lake Chaplain Road, Monroe, WA, 98272. All deliveries are F.O.B. Destination. The supplier must make deliveries within five (5) business days after receipt of an order during normal business hours. The WFP is open Monday through Friday, between 7:00 a.m. and 4:00 p.m. Deliveries will not be accepted on weekends and holidays, nor outside the stated time period except by prior agreement between the supplier and the City. Supplier shall notify the WFP at least twenty-four (24) hours in advance of actual expected delivery time. Drivers are encouraged to contact the WFP at 425-257-8200 prior to arrival. Cell phone coverage is unreliable when less than four (4) miles from the plant. 2.8 LIQUID HYDROFLUOSILICIC ACID All hydrofluosilic acid (H2SiF6) must meet American National Standards Institute (ANSI)/American Water Works Association (AWWA) Standard B703-19. The liquid hydrofluosilic acid must be potable water treatment grade and contain not less than 23% and not more than 30% H2SiF6 by weight. The material supplied shall conform to ANSI and AWWA Standard B703-11, Section 4. The supplier's agent shall provide samples for the City according to ANSI/AWWA Standard B703-11, Section 5.1. The City will provide the sampling containers. The City shall retain the two (2) composite samples provided by the supplier's agent from each shipment. Each shipment must be accompanied by a Certificate of Analysis (COA) for the amount of H2SiF6 in each shipment as per the ANSI/AWWA Standard B703-11, Section 6.3. This analysis shall include percent H2SiF6 by weight. Delivery must be in trucks or trailers dedicated solely to hauling liquid hydrofluosilic acid. All delivery tanks and containers must be manufactured from or lined with materials that are highly resistant to hydrofluosilicic acid, as noted in ANSI/AWWA Standard B703-11. The supplier must be able to deliver bulk shipments of hydrofluosilicic acid in quantities of 4,000 to 5,000 gallons. It is preferred that the supplier's truck or trailer be fitted with a mechanical filter assembly. The recommended size is a 30-micron mesh size fibrous filter in the filter cartridge that is compatible with liquid hydrofluosilic acid. The supplier would filter the chemical during the unloading process and prior to the transfer of the product into the City facility's receiving storage tank. The truck or trailer must be equipped for unloading chemicals to storage tanks pneumatically. The City will provide, if needed, compressed air of a minimum thirty (30) pounds per square inch (PSI). The truck or trailer are to be equipped for connection to a three (3) inch bolted and gasketed flange for off-load. The liquid hydrofluosilicic acid storage tanks are located at the WFP Fluoride Building. The tanks are as follows: • Two (2) acid storage tanks with the capacity of 5,000 gallons each. • One (1) acid day tank with the capacity of 1,200 gallons. Page 11 of 27