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Southern Human Services Center Smith Sinnett /2020072 <br />HVAC and Roof Renovations Orange County,North Carolina <br />Testing,Adjusting,and Balancing for HVAC <br /> 23 05 93 - 2 <br />n.Description of TAB work for areas to be built out later,if any. <br />o.Time schedule for deferred or seasonal TAB work,if specified. <br />p.False loading of systems to complete TAB work,if specified. <br />q.Exhaust fan balancing and capacity verifications,including any required room pressure <br />differentials. <br />r.Interstitial cavity differential pressure measurements and calculations,if specified. <br />s.Procedures for formal deficiency reports,including scope,frequency and distribution. <br />B.Control System Coordination Reports: Communicate in writing to the controls installer all setpoint <br />and parameter changes made or problems and discrepancies identified during TAB that affect,or <br />could affect,the control system setup and operation. <br />C.Final Report: Indicate deficiencies in systems that would prevent proper testing,adjusting,and <br />balancing of systems and equipment to achieve specified performance. <br />1.Revise TAB plan to reflect actual procedures and submit as part of final report. <br />2.Submit draft copies of report for review prior to final acceptance of Project. Provide final <br />copies for Architect and for inclusion in operating and maintenance manuals. <br />3.Provide final reports in soft cover,letter size,3-ring binder manuals,complete with index <br />page and indexing tabs,with cover identification at front and side. Include set of reduced <br />drawings with air outlets and equipment identified to correspond with data sheets,and <br />indicating thermostat locations.The Final Report shall be placed in and become a part of the <br />Maintenance and Operations Manuals (4 copies). <br />4.Include actual instrument list,with manufacturer name,serial number,and date of calibration. <br />5.Form of Test Reports: Where the TAB standard being followed recommends a report format <br />use that;otherwise,follow ASHRAE Std 111. <br />6.Units of Measure: Report data in I-P (inch-pound)units only. <br />7.Include the following on the title page of each report: <br />a.Name of Testing,Adjusting,and Balancing Agency. <br />b.Address of Testing,Adjusting,and Balancing Agency. <br />c.Telephone number of Testing,Adjusting,and Balancing Agency. <br />d.Also include a certification sheet containing the seal and name,address,telephone <br />number,and signature of the Certified Test and Balance Engineer.Include in this <br />division a listing of the instruments used for the procedures along with proof of <br />calibration. <br />D.Project Record Documents: Record actual locations of flow measuring stations and balancing <br />valves and rough setting. <br />PART 2 PRODUCTS -NOT USED <br />PART 3 EXECUTION <br />3.01 GENERAL REQUIREMENTS <br />A.Perform total system balance in accordance with one of the following: <br />1.AABC (NSTSB),AABC National Standards for Total System Balance. <br />B.Begin work after completion of systems to be tested,adjusted,or balanced and complete work <br />prior to Substantial Completion of the project. <br />C.Where HVAC systems and/or components interface with life safety systems,including fire and <br />smoke detection,alarm,and control,coordinate scheduling and testing and inspection procedures <br />with the authorities having jurisdiction. <br />D.TAB Agency Qualifications: <br />1.Company specializing in the testing,adjusting,and balancing of systems specified in this <br />section. <br />2.Having minimum of three years documented experience. <br />3.Certified by one of the following: <br />a.AABC,Associated Air Balance Council: www.aabc.com/#sle;upon completion submit <br />AABC National Performance Guaranty. <br />b.NEBB,National Environmental Balancing Bureau: www.nebb.org/#sle. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6