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VIII. DRY POLYMER FLOCCULENT <br />A. GENERAL <br />1. The purpose of this specification is to outline minimum acceptable properties <br />of a polymer at the Bureau of Waste Water in the treatment process. <br />2. Quantity of the polymer stated in this specification is intended as an estimated <br />usage during a 12 month period rather than an absolute quantity. <br />3. Polymer is considered a performance product and must meet certain standards <br />due to compliance related issues on the NPDES Permit. <br />4. Any supplier that has not been previously approved must perform bench <br />testing on any polymer bid to prove the product will meet the standards <br />necessary to ensure permit compliance. <br />5. When samples are required, such samples shall be delivered or shipped at the <br />vendor's expense to the following name and address: Nancy Clay, 3113 <br />Riverside Dr. South Bend, IN 46628. <br />6. Samples must be clearly labeled with your company's name, address, and <br />(item number). <br />7. All samples must be representative of the item bid. <br />8. All samples will become the property of the City of South Bend, and will not <br />be returned. <br />B. PROPERTIES <br />1. Products will be a high molecular weight cationic polyelectrolyte, supplied as <br />a micro -bead or in granular form. <br />2. The product must be completely non -dusting, free flowing and completely <br />soluble in water with a very rapid dissolving rate. <br />3. Typical Properties <br />Bulk Density <br />50 lbs. per cubic ft. <br />Particle Size <br />95%less than 1 mm <br />pH of 1 % Solution <br />3.5 — 4.5 <br />C. PACI{AGING/DELIVERY <br />1. Packaging to be in 50 — 55 lb polyethylene bags. <br />2. Must be able to guarantee delivery of 9,000 lbs within 14 calendar days after <br />order placement. <br />3. Prices must be submitted in cost per pound with freight included. <br />4. Material to be delivered F.O.B. the Waste Water Treatment plant located at <br />3113 Riverside Drive, South Bend, IN. 46628. <br />17 <br />