2.1. SERVICES TO BE PERFORMED The scope of work for this contract includes system data for water treatment services for hot water boilers, steam boilers & cooling tower systems and their associated equipment, operating parameters, services and specifications for the water treatment program at City of Detroit locations listed in this document. 1. Hot Water Boilers 1.1 Testing requirements for hot water boilers: • Conductivity • pH • Nitrite • Iron • Copper 1.2 Control ranges for hot water boilers: • Conductivity 2,500-3,500 mmhos • pH 8.5-10 • Nitrite 1,500-2,000 PPM • Iron less than 3.0 mils ppm • Copper less than 0.3 mils ppm 1.3 Filter Bag Replacement • Check filter bag and replace as needed where applicable • Supply 5 micron filter bags for Neptune filter feeders where applicable
