*Non Zinc Ortho Phosphate prospective bidders must demonstrate through jar and pilot testing that their product is equivalent to the Non Zinc Ortho/Polyphosphate formulation currently in use by the water system. The bidder is responsible for contacting the City to schedule any testing to obtain raw water quality analytics and for performing any necessary corrosion control studies. *DENSE SODA ASH -Truck must have 0.25 / 1/4” filter screen(s) adaptor when unloading to prevent any soda ash lumps, chunks and/or solids from being pumped into soda ash silo during delivery. **DENSE SODA ASH – No Independent haulers will be allowed. ***SODIUM BICARBONATE - No Independent haulers will be allowed. • Product: Sodium Bicarbonate, coarse grade, American made. Equivalent to Natrium Grade #6 • Sodium bicarbonate bulk density: 60lbs/cf minimum is required • Iron: not more than 5ppm • Chemical formula: NaHC03 • Molecular weight: 84.01 • Approximately use 334 lbs per day / 10,020 lbs per month, in bulk form at 64 Strafford Road WTP • Approximately 95 lbs per day / 3000 lbs per month in bag form at the 157 Farmington Road WTP. • Certificate of analysis stating product is approved as food grade and is of drinking water quality is required • Deliveries must be scheduled on clear dry days. Cancellation of scheduled deliveries due to unfavorable weather conditions is a possibility and will be rescheduled. • Before Sodium Bicarbonate is awarded to lowest bidder, a sample must be supplied to the Water Treatment Plant to check for product consistency.
