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OC Sportsplex Pool HVAC Unit Replacement <br />PDC Project 23022 Testing,Adjusting,and Balancing for <br />HVAC 23 05 93 - 9 <br />dampers wide open and that during full cooling of all terminal units taking off downstream of <br />the static pressure sensor,the terminal unit on the critical leg has its damper 90 percent or <br />more open. <br />3.The water system is being controlled to the lowest possible pressure while still meeting <br />design loads,less diversity;this shall include a review of TAB methods,established control <br />setpoints,and physical verification of at least one leg from the pump to the coil having all <br />balancing valves wide open and that during full cooling the cooling coil valve of that leg is 90 <br />percent or more open. <br />3.13 SCOPE <br />A.Test,adjust,and balance the following: <br />1.Plumbing Pumps. <br />2.HVAC Pumps. <br />3.Air Cooled Refrigerant Condensers. <br />4.Packaged Roof Top Heating/Cooling Units. <br />5.Air Coils. <br />6.Air Handling Units. <br />7.Fans. <br />8.Air Filters. <br />9.Air Terminal Units. <br />10.Air Inlets and Outlets. <br />B.This Section does NOT include: <br />1.Testing boilers and pressure vessels for compliance with safety codes. <br />2.Specifications for materials for patching mechanical systems. <br />3.Specifications for materials and installation of adjusting and balancing;refer to the respective <br />system sections for materials and installation requirements. <br />4.Requirements and procedures for piping and ductwork systems leakage tests. <br />3.14 MINIMUM DATA TO BE REPORTED <br />A.Electric Motors: <br />1.Manufacturer. <br />2.Model/Frame. <br />3.HP/BHP. <br />4.Phase,voltage,amperage;nameplate,actual,no load. <br />5.RPM. <br />6.Service factor. <br />7.Starter size,rating,heater elements. <br />8.Sheave Make/Size/Bore. <br />B.V-Belt Drives: <br />1.Identification/location. <br />2.Required driven RPM. <br />3.Driven sheave,diameter and RPM. <br />4.Belt,size and quantity. <br />5.Motor sheave diameter and RPM. <br />6.Center to center distance,maximum,minimum,and actual. <br />C.Pumps: <br />1.Identification/number. <br />2.Manufacturer. <br />3.Size/model. <br />4.Impeller. <br />5.Design flow rate,pressure drop,BHP. <br />6.Actual flow rate,pressure drop,BHP. <br />7.Discharge pressure. <br />Docusign Envelope ID: D4F3B98E-0756-4A0C-A3AD-05AA32D39F1C