Specifications include, but are not limited to: Provide labor, materials, equipment, and all else necessary, for the installation of chemical water treatment systems to boilers located at 16 school facilities. HEATING / COOLING SYSTEM TESTING SPECIFICATIONS Microbiological Studies – Monthly during cooling season Legionella Studies – Semi Annually in Season Make up Analysis – Quarterly Corrosion Coupon Studies – Quarterly System Pretreatment – annually and as needed System Sampling & Lab Analysis – Quarterly and as needed Iron & copper Profiles – annually and as needed Toxicant Evaluations for Biocide Selection – annually and as needed Deposit Analysis – annually and as needed Metallurgical Analysis – annually and as needed Equipment Inspections – Quarterly and as needed Tower Studies – annually and as needed Roger Ludlowe Middle School Cooling Towers — to be sanitized prior to a physical cleaning at the beginning of the season. Report provided after completion. (Photo documentation) All Neptune Filter Feeders must have filter bag changed out monthly Heat Exchange Coefficient Determinations – annually and as needed BOILER AND CLOSED LOOP SYSTEM TESTING SPECIFICATIONS Feedwater Dissolved Oxygen studies – Quarterly and as needed Composite Feedwater Sampling – Quarterly and as needed Calculate % Condensate Returns – Monthly during heating season System Iron Profiles – Quarterly and as needed Condensate pH profiles –Quarterly and as needed Steam Purity testing – annually and as needed Visual Inspection of Boiler – annually and as needed Condensate Corrosion Coupon Studies – Quarterly Make up Analysis – Quarterly Energy savings Calculations – Quarterly and as needed System Sampling and Lab Analysis – Quarterly and as needed Deposit Analysis – Quarterly and as needed Metallurgical Analysis – annually and as needed Testing of Off-line wet stored boilers – as needed Condensate pH profiles –Quarterly and as needed CHEMICALS PROGRAM UTILIZATION REQUIREMENTS Closed Loops, Chilled and Hot Water: • Nitrate Borate Azole • Chilled Water 400 -800 ppm Na NO 2 • Hot Water – 1200 – 1800 ppm Na NO 2 Cooling Tower: • – Molybdate Polyphosphate phosphonate polymer azole 6-8 ppm Mo • Oxidizing Biocide • Stabilized Bromine • Non-Oxidizing Biocide
