MODIFICATION
59 -- Power Amplifiers for the Thermotron DS-640 Dynamic Shakers for the US Army Electronic Proving Ground (USAEPG), Fort Huachuca, Arizona 85613
- Notice Date
- 3/30/2007
- Notice Type
- Modification
- Contracting Office
- ACA, White Sands Missile Range, Directorate of Contracting, Bldg 143, 2nd Floor, Crozier Street, White Sands Missile Range, NM 88002-5201
- ZIP Code
- 88002-5201
- Solicitation Number
- W9124Q-07-R-EPGVHA
- Response Due
- 4/11/2007
- Archive Date
- 6/10/2007
- Small Business Set-Aside
- N/A
- Description
- The Solicitation is amended to extend the closing date from 4 April 2007 to 11 April 2007, 12 noon, Mountain Standard Time. The Electronic Proving Ground, Fort Huachuca, Arizona is soliciting proposals for the following requirement (No Substitutes): Power Amplifiers for the Thermotron DS 640 Dynamic Shakers. The requirements are as follows: Vertical Amplifier Upgrade: Provide an air cooled vibration test system that will allow the existing system performance capabilities to be upgraded to the enha nced system performance requirements for Vertical axis vibration testing. Power Source is 480V, 3-phase, 60HZ. Amplifier requirements: Air cooled Class D pulse width modulated design; 30 KVA output minimum; IGBT output transistor circuitry rated with an effici4ency greater than 90 percent; Switching frequency greater than 100 kHz; hot exhaust air must exit top of power amplifier; Enclosure must include EMI gaskets at all door and panel joints; Gaskets must interface copper clad or plated service; 3 phase line filter to prevent conducted EMI; Internal 3 phase breaker to protect wiring and allow visual proof of power shutoff during servicing; Single bay EMI NEMA enclosure; Monitor all existing sensors in the Shaker and initiate appropriate shutdown whenever a sensor indicates a fault condition; Front panel switches, meters, indicators to include: Input DC Voltage, Input DC Current, Output Voltage, Output Current, Gain Control and Amplifier start up switches and status lights; Amp Interlocks: Over Temp, Over Current Limit, Over Volt Limit and Bar Graph showing percentage max current and percentage max voltage; Shaker Interlocks: Over Temp, Over Current, Over Stroke, Coolant (Blower) and Field Voltage; Emergency Shutdown: Selection of amplifier automatic star tup and shutdown from temp chamber logic; Upgraded amplifier must include two 100:1 attenuated AC voltage outputs, one proportional to output voltage and one proportional to output current; These output signals are intended to be record4ed by the digital c ontrol system during shock tests to determine whether the test can be completed without damage; Field Supply requirements: Must be matched to Shaker specifications below; Include front panel selectable DC Field power levels, one at Max field mode and one E nergy Save mode; Include front panel Field Current meter; Field Supply housed in same single bay cabinet as Power Amplifier; air cooled; Amplifier must activate and deactivate the DC Field Supply automatically; Shaker Requirement: Upgrade, modify or repla ce as required, the existing DS-640 electrodynamics shaker body components to a double-ended field coil configuration; Armature Diameter: 25.5 inch diameter overall with 24 inch diameter outer bolt circle; Armature Insert Pattern: must be directly compatib ility with existing Team HE-48 Head Expander s/n 111 (742 lbs); Pneumatic Load Support: 1900 lbs minimum with automatic armature centering; Armature Weight 145 lbs maximum; Armature Resonant Frequency above 2000 Hz; Stray Gauss Level 10 gauss maximum measured at 6 inches above armature; Enhanced system performance requirements Freq Range: Rated Output 5Hz 2000Hz; Sine 10000 lbs pk force; velocity 50 inch/sec pk; stroke 2 inches pk-pk; Random 10000 lbs rms random force; Flat PSD 20-2000 Hz 500lb load or greater; also capable of transportation PSD 60; Field Supply requirements: Must be matched to Shaker specifications below; Include front panel selectable DC Field power levels, one at Max field mode and one Energy Save mode; Include front p anel Field Current meter; Field Supply housed in same single bay cabinet as Power Amplifier; air cooled; Amplifier must activate and deactivate the DC Field Supply automatically; Shaker Requirement: Upgrade, modify or replace as required, the existing DS- 640 electrodynamic shaker body components to a double-ended field coil configuration; Armature Diameter: 25.5 inch diameter overall with 24 inch diameter outer bolt circle; Armature Insert Pattern: must be directly compatibility with existing Team HE-48 Head Expander s/n 111 (742 lbs); Pneumatic Load Support: 1900 lbs minimum with automatic armature centering; Armature Weight 145 lbs maximum; Armature Resonant Frequency above 2000 Hz; Stray Gauss Level 10 gauss maximum measured at 6 inches above armature; Enhanced system performance requirements Freq Range: Rated Output 5Hz 2000Hz; Sine 10000 lbs pk force; velocity 50 inch/sec pk; stroke 2 inches pk-pk; Random 10000 lbs rms random force; Flat PSD 20-2000 Hz 500lb load or greater; also capable of transportation PSD to 5-500 Hz @ rated stroke with 6000 lbs rms force available (assumes zero body motion); Shock Pulse 20000lbs pk force; 20 g pk @ 11 msec ? sine with 800 lb mass on armature; Existing System Performance: Freq Range Rated Output 20Hz 2000Hz; Sine 5400 lbs pk force; velocity 42 inch/sec; stroke 2 inches pk-pk; Random 6000 lbs rms random force; Shock Pulse No known shock ra ting; Horizontal Amplifier Upgrade: Provide an air cooled Power Amplifier to drive two Thermotron Model DS-640-985 Shakers; a replacement DC Field Supply will also be provided; Power Source is 480V, 3-phase, 60HZ. Amplifier requirements: Air cooled Cla ss D pulse width modulated design rated at 30 KVA output; efficiency greater than 90 percent; Switching frequency greater than 100 kHz; hot exhaust air must exit top of power amplifier; Enclosure must include EMI gaskets at all door and panel joints; Gaske ts must interface copper clad or plated service; 3 phase line filter to prevent conducted EMI; Internal 3 phase breaker to protect wiring and allow visual proof of power shutoff during servicing; Housed in a single bay EMI NEMA enclosure; Include a front p anel DC Offset control for adjusting the shaker armature position electronically; Must monitor all existing sensors in the Shaker and initiate appropriate shutdown whenever a sensor indicates a fault condition; Front panel switches, meters, indicators to i nclude: Input DC Voltage, Input DC Current, Output Voltage, Output Current, Gain Control and Amplifier start up switches and status lights; Amp Interlocks: Over Temp, Over Current Limit, Over Volt Limit and Bar Graph showing percentage max current and per centage max voltage; Shaker Interlocks; Emergency Shutdown Selection of amplifier automatic startup and shutdown from temp chamber logic; Include two 100:1 attenuated AC voltage outputs, one proportional to output voltage and one proportional to output c urrent; These output signals are intended to be recorded by the digital control system during shock tests to determine whether the test can be completed without damage; Compare voltage and current with max peak allowed to predict levels of shock possible w ithout risking damage to Amplifier or Shaker; Field Supply requirements Should match existing DS-640-985 Shaker specifications below; Include front panel selectable DC Field power levels, one at Max field mode and one Energy Save mode; front panel Field Current meter; Field Supply housed in same single bay cabinet as Power Amplifier; air cooled; activate and deactivate the DC Field Supply automatically; System Performance The Amplifier and Field Supply shall allow achieving the following performance whe n driving the DS-640-985 Shaker: Max Field / Driving existing Team Slip Table; Random Transportation Vibration: 5-500Hz PSD at MID-STD-810 grms levels called for at rated stroke. FOB DESTINATION: Fort Huachuca, Arizona. Payment will be made by Governme nt credit card under Net 30 Terms. Offers are due no later than 12 noon, Mountain Standard Time, Wednesday, 11 April 2007. Offers shall be submitted electronically at: Carmen.simotti@epg.army.mil. EVALUATION CRITERIA/PROCEDURES: Offers will be evaluated based on the following best value criteria in descending order of importance: Meeting the requirement, Proposed Delivery Schedule, Past Performance, and Price . The result of the award will be posted in Fedbizopps(http://www.fbo.gov/) under Award Notices. Questions pertaining to the Award Notice must be submitted in writing. For additional information, contact Carmen M. Simotti, Contract Specialist, at (520) 533-8189 or carmen.simotti@epg.army.mil. The synopsis/solicitation document and incorporated provisions and clauses are those in effect through Federal Acquisition Circular 2005-16. Full and open competition procedures will be utilized. The NAICS code i s 334519. The solicitation is issued as a request for proposal (RFP) and will be awarded as a firm-fixed-price. All Electronic and Information Technology will be Section 508 of the Rehabilitation Act of 1973 compliant. The following FAR provision 52.212 -1, Instruction to Offerors Commercial items, applies to the acquisition. FAR provision 52.212-2, Evaluation of Commercial Items, applies to the acquisition (See evaluation criteria above). Offerors shall include a completed copy of FAR provision 52.212-3, Offeror Representations and Certifications Commercial Items, and furnish Offeror's Tax Identification Number, CAGE Code, Central Contractor Registration Number, DUNS Number, and applicable FSC Codes with its offer. FAR clauses 52.212-4, Contract Terms and Conditions Commercial Items and 52.212-5, Contract Terms and Conditions Required Implementing Statutes or Executive Orders Commercial Items apply to this acquisition. FAR clause 52.219-8, Utilization of Small Business Concerns apply. The government reserv es the right to select for award, all, some, or none of the proposals received in response to this announcement.
- Place of Performance
- Address: ACA, South Region, SFCA-SR-WS, Electronic Proving Ground Directorate of Contracting, Banister Hall, Bldg 56301, 2000 Arizona Street Fort Huachuca AZ
- Zip Code: 85613-7063
- Country: US
- Zip Code: 85613-7063
- Record
- SN01263141-W 20070401/070330220937 (fbodaily.com)
- Source
-
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