66 Dynamometer Procurement For Nvfel Heavy Duty Test Cell 5

United States Environmental Protection Agency Oar Nvfel Saco 2565 Plymouth Rd Ann Arbor Mi 48105 Pre Solicitation Notice For Heavy Duty Engine Dynamometers For Nvfel Synopsis The U S Environmental Protection Agency Epa National Vehicle And Fuel Emissions Laboratory Nvfel Testing And Advanced Technology Division Tatd Located In Ann Arbor Michigan Intends To Purchase A Heavy Duty Engine Dynamometer Replacement For Hd 5 With The Option To Relocate And Install Old Hd 5 Dynamometer To Hd 1 Option For Dynamometer Controller And Option For Torque Sensor The Acquisition Of This Commercial Item Will Be Set Aside As A Total Small Business And Will Be Processed In Accordance With Far Parts 12 13 Amp 17 The North American Industry Classification System Naics Code Is 334516 Analytical Laboratory Instrument Manufacturing With A Size Standard Of 1 000 Employees The Product Service Code Psc Is 6640 Laboratory Equipment And Supplies The Purpose Of This Procurement Is To Provide A Dynamometer Transformer S Controller Instrumentation And Related Hardware And Software System That Extends The Existing Range Of Epa S Heavy Duty Engine Compliance Testing Capability To Include Larger And More Powerful Engines Than Are Presently Testable While Preserving The Low Power End Of Our Existing Capability The Engines To Be Tested Are Primarily On Road And Non Road Diesel Engines In The 150 500 Kw Range The System Must Be Installed In Nvfel S Heavy Duty Engine Test Site 5 Hd5 The System Must Comply With 40 Cfr Part 1065 And The Statement Of Work The Epa Nvfel Plans To Enhance The Capability Of Engine Testing Operations To Include A Broader Range Of Engines There Is A Need To Examine The Compliance Of Larger Diesel Engines These Are Primarily On Road And Nonroad Diesel Engine Applications And Are Used In For Example Heavy Duty Trucks Vocational Vehicles Agriculture Equipment Construction Equipment Generators And Marine Applications Gasoline Engines May Also Be Tested These Engines Are Regulated Under 40 Cfr Parts 86 1036 1039 1042 1045 And 1048 The Dynamometer Must Consist Of A Single Absorber And Must Not Employ Any Type Of Gearbox To Alter Its Torque Speed Characteristics The Dynamometer Used Must Be Ac Type And Must Utilize The Latest Technology In Variable Frequency Vectored Line Regenerative Ac Motor Absorbers That Have Been Interfaced With A Correctly Designed And Responsive Torque Speed And Throttle Measurement And Control System Power Absorption Must Be Regenerative Wherein The Generated Power Is Delivered To The Nvfel Building Power Grid The Dynamometer Control Circuits Must Be Designed And Installed In Such A Way As To Prevent Any Power From Being Sent To The Building Grid If Normal Facility Power Is Lost The Dynamometer Control Systems Must Not Feed Damaging Or Detrimental Electrical Noise Into The Power Grid Electromagnetic Fields Emf Caused By The Dynamometer Must Be Controlled Or Suppressed To Prevent Any Interference To The Test Engine Auxiliary Equipment Cell Instrumentation Dynamometer Electrical Electronic Systems Or The Rest Of The Building The Dynamometer Must Be Protected From Uncontrolled Acceleration The System Must Feed Generated Electrical Power Back To The Electrical Grid Via A Switching Device Or Safety Lockout That Will Isolate The Dynamometer From The Grid In The Event Of A Power Failure The System Must Also Feature Current Limit Protection To Prevent System Damage From Power Grid Faults Of Short Duration Lt 20 Ms The System Must Not Feed Damaging Or Detrimental Electrical Noise Into The Power Grid And Must Meet The Noise And Harmonic Distortion Requirements Of Ieee 519 Standards Upon Activation Of An Emergency Stop E Stop The Dynamometer Must Be Ramped To Zero Speed Before The Drive System Power Is Interrupted The Dynamometer Must Reach Zero Speed Within Three Seconds Of E Stop Activation An E Stop Must Be Installed In Or On The Hd5 Control Room S Equipment Tower In A Location That Is Within Easy Reach Of A Test Cell Operator While Seated At The Console The Safety String Circuit Must Be Interrupted By A Relay That Stops All Test Cell Systems There Must Also Be A Feedback To Notify The Operator What Exactly Caused The Shutdown A Speed Encoder Must Be Provided And Installed And Must Provide Readings Of Speed And Means To Effect Calibration The Encoder Must Provide An Instantaneous Indication Of Direction Of Rotation The Encoder Must Be Drift Free Require No Analog Calibration And Must Determine Speed Within 10 Ms Of True Occurrence Indicated Speeds Between 50 Rpm And The Maximum Speed Of The Dynamometer Must Be Accurate To Within Lt 1 Rpm And Must Have An Output Resolution Of 1 Rpm Or Finer The Encoder Must Also Correctly Indicate Zero Rpm Provide And Install A Contactless Non Rotary In Line Transformer Torque Transducer And Associated Measurement System The Range Must Be Appropriate For The Engines With Adequate Over Range To Prevent Sensor Failure Due To Torque Spikes Antennae Amplifiers Cabling And Any Other Hardware Or Software Needed To Make The System Fully Functional Must Be Provided And Installed By Contractor This Device Must Be Interfaced With Hd5 S Current Host Automation System Providing Readings Of Torque And A Means To Effect Calibration If The In Line Torque Transducer Does Not Feature A Bolt Pattern That Facilitates The Installation Of Driveshafts With A Dana Spicer 1810 Flange Then Contractor Must Provide And Install On The Torque Transducer An Adapter That Facilitates The Installation Of Driveshafts With A Dana Spicer 1810 Flange Any Such Adapter Must Be Designed With Good Engineering Judgment To Minimize Rotating Inertia While Ensuring Adequate Strength And Durability To Tolerate The Peak And Cyclic Loads Encountered During Normal Starts Using The Dynamometer To Start The Engine Emergency Stops And Long Term Operation At High Loads Provide A Calibration System Including Weights And A Lever Arm To Calibrate The Torque Measurement Device The Calibration System Must Meet The Requirements Specified In 40 Cfr Parts 1065 307 And 1065 310 The Calibration System Must Include All Hardware And Software Needed To Meet All Requirements Of The Acquisition Provide A Reusable Container For Shipping The Calibration Weights To Offsite Calibration Service Providers This Container Must Include All Features Necessary To Secure And Protect The Calibration Weights Against Damage Due To Reasonably Foreseeable Events Encountered In The Course Of Such Shipment All Measurement Devices That Contribute To Final Test Results Or To Verify That Test Conditions Meet Regulatory Requirements Must Be Calibrated In A Manner Consistent With 40 Cfr Parts 1065 Calibration Must Be Made And Documented In A Manner That Is Traceable To The National Institute Of Standards Nist Calibrations Certificates Or Reports Demonstrating Traceability For All Devices Must Be Provided To Epa And Must Meet The Associated Content Requirements Of Iso 17025 2017 Consideration Will Be Given To Vendors Who Can Provide Iso 17025 2017 Accredited Calibration Documentation Traceability To Other National Metrological Institutes That Are Recognized As Equivalent By Nist Will Be Acceptable The System Must Include Dynamometer Bearing Vibration Switches And Bearing Temperature Monitoring And Must Track Total Operating Hours Consideration Will Be Given Proposals That Feature Data Logging Of These Signals By The Site S Host Automation System The Installed Controller Must Be Integrated Into The Hd5 Host Automation System So As To Facilitate Transient And Steady State Engine Test Cycles The Dynamometer Must Be Fitted With A Plaque Clearly Listing Rotor Inertia And Maximum Speed And Torque Rating The Plaque Must Be Securely Installed On An Easily Viewable Surface Of The Dynamometer And Must Be Of A Form That Will Resist Damage By Oil Or Wear Such As Embossed Metal Plate Supplied Hardware Used In This System Or For Its Installation Must Be New Throttle Controller Amplifier Servo As An Installed And Integrated System Including All Necessary Hardware And Software To Provide Two Modes Invoking Engine Throttle Or Fuel Demand A Means Must Be Provided To Operate A Servo To Physically Move A Throttle Arm Or Equivalent Mechanical Device And A Method Must Be Provided To Generate An Analog Voltage Or Pulse Width Modulated Command Signal To Command Set Points To An Engine Control Computer For Electronically Controlled Engine Systems The Servo Controller Must Include All Necessary Mounting Fixtures Hardware Cabling And Adjustable Linkages To Facilitate Attachment To A Wide Range Of Injector Racks Throttle Potentiometers Or Other Fuel Metering Devices The Servo Controller Must Be Mounted On A Free Standing Pedestal That Can Be Repositioned On The Bedplate As Needed By The Test Cell Operator This System Must Move Any Fuel Metering Device From Closed To Fully Open Position 90 Degrees In 0 25 Seconds Or Less And Must Exert A Torque Of At Least 45 Inch Pounds The Servo Must Automatically Return To Closed Or 0 Throttle Position With The Same Force If Power Is Interrupted To The Actuator The Actuator Must Self Calibrate Its Travel As A Percent Of Wide Open Throttle Wot And Must Adjust Feedback Signals To Assure Tunable Response And A Stable Fixed Throttle Holding Action A Signal Must Be Provided For Enabling The Test Site S Existing Host Automation System To Continuously Record The Actual Throttle Position Xx X Of Wot The Servo And Attendant Amplifier Must Be Installed In The Hd5 Test Cell Along With All Hardware Wiring And Sensors Needed To Make The System Fully Functional And Must Facilitate Efficient Manual Repositioning By The Test Cell Operator All Electrical Connections And Mechanical Linkages Must Feature Disconnects At Both Ends To Facilitate Removal Of Apparatus From Test Cell The Mode Of Dynamometer And Throttle Operation Speed Torque Must Be Switch Selectable By The Operator Or Selectable By The Site S Host Automation System With The Selection Of A New Mode Disabling The Previous Mode All Transfers Must Be Bumpless The Engine And Dynamometer Control Systems Throttle Controllers And Other Components Delivered Under This Contract Must Function Together As A System To Provide Transient Control Of The Engine And Dynamometer In A Manner Which Allows Engine Test Results To Meet The Requirements Of 40 Cfr 1065 514 The Speed And Torque Control Loops Must Work Together Using System Inertias And Acceleration Rates To Provide An Optimum Response For Both Control Loops The Dynamometer And Engine Control Equipment Must Include User Diagnostic Screens And Software Features To Assist Operators With Transient Control Tuning Of The Combination Of The Engine And Dynamometer As A System To Obtain Adequate Response The Full Statement Of Work Which Will Be Included In The Solicitation Describes And Sets Forth All Requirements For The Heavy Duty Engine Dynamometer Award Will Be Made On A Best Value Basis The Full Solicitation Should Be Issued On Or About December 15 2020 On Fedconnect Net This Office Does Not Intend To Mail Hard Copies Of The Solicitation Point Of Contact For This Requirement Is Angel Taylor Contracting Officer At 734 214 4745 Or By Email At Taylor Angel Epa Gov Or Oarnvfelsaco Eap Gov Questions Must Be Submitted In Writing To Angel Taylor Or Oar Nvfel Saco Via Email With A Subject Line Hd 5 Heavy Duty Engine Dynamometer Telephone Queries Will Not Be Honored

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