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Southern Human Services Center Smith Sinnett /2020072 <br />HVAC and Roof Renovations Orange County,North Carolina <br />HVAC Water Treatment 23 25 00 - 1 <br />SECTION 23 25 00 <br />HVAC WATER TREATMENT <br />PART 1 GENERAL <br />1.01 SECTION INCLUDES <br />A.Materials. <br />1.System cleaner. <br />2.Closed system treatment (water). <br />B.By-pass (pot)feeder. <br />1.02 SUBMITTALS <br />A.Product Data: Provide chemical treatment materials,chemicals,and equipment including <br />electrical characteristics and connection requirements. <br />B.Shop Drawings: Indicate system schematic,equipment locations,and controls schematics, <br />electrical characteristics and connection requirements. <br />C.Submit directly to Owner,Material Safety Data Sheets (MSDS)for all chemicals used in chemical <br />treatment systems.Include with MSDS written notice of Owner's responsibilty to notify its <br />employees of the use of those chemicals. <br />D.Certificate: Submit certificate of compliance from Authority Having Jurisdiction indicating approval <br />of chemicals and their proposed disposal. <br />E.Operation and Maintenance Data: Include data on chemical feed pumps,agitators,and other <br />equipment including spare parts lists,procedures,and treatment programs. Include step by step <br />instructions on test procedures including target concentrations. <br />F.Maintenance Materials: Furnish the following for Owner's use in maintenance of project. <br />1.See Section 01 60 00 -Product Requirements,for additional provisions. <br />1.03 QUALITY ASSURANCE <br />A.Manufacturer Qualifications: Company specializing in manufacturing the type of products specified <br />in this section,with minimum ten years of documented experience. Company shall have local <br />representatives with water analysis laboratories and full time service personnel. <br />1.04 WATER ANALYSIS <br />A.Take samples and provide analysis prior to start of work.Include existing conditions in submittal. <br />B.At completion of project,submit complete water analysis and results of performance test of each <br />system signed by manufacturer's service representative. <br />C.Water analysis shall include the following: <br />1.Hot Water and Chilled Water <br />a.Hardness <br />b.pH <br />c."M"alkalinity <br />d.Inhibitor level <br />e.Total dissolved solids <br />f.Temperature <br />1.05 WATER QUALITY REQUIREMENTS <br />A.Minimum water quality requirements for closed hot and/or chilled water systems shall be as <br />follows: <br />1.pH 8.0-9.0 <br />2.TDS <500 ppm <br />3.Hardness as CaCO3 and Alkalinity <120 ppm <br />4.Chlorides <200 ppm <br />5.Suplhates <200 ppm <br />6.Iron <0.5 ppm <br />7.Dissolved Oxygen <0.1 ppm <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6