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. 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 1.4 Service Reporting • Service report must conform to service reporting requirements outlined in section 4. • Digital service report must be prepared on site by service provider, submitted at the time of each service visit. Report must include all required test results and recommendations. • Service report must include signature from onsite personnel at the end of each service visit.