SAM #AMDTCNOI2600949

NIST is seeking to upgrade its Primary Vibration Calibration System at its Gaithersburg, MD facility: - Procurement includes electronics, software, a laser vibrometer, high-frequency shaker, and calibration unit - Key components: Spektra CS18 vibration calibration system, Polytec OFV-5000/OFV-534 laser vibrometer, Spektra APS129, APS500, APS600 shakers, Spektra FECB electrical calibration unit - System must support uniaxial excitation up to 50 kHz and be compatible with existing Spektra shakers - Includes installation, training for three personnel, and a 2-year warranty - Delivery required within 20 weeks after order; installation within 1 month of delivery - Minimum 10-year support and maintenance required - Sole source intent to APS Dynamics, Inc. d.b.a. SPEKTRA - Place of performance: NIST, 100 Bureau Drive, Gaithersburg, MD 20899 - NAICS code: 334519; PSC code: 6635 - No specific part numbers provided, but named products and OEMs are specified - Estimated contract value likely in the $250,000–$500,000 range based on scope and equipment

See attached Notice of Intent to sole source and supporting attachment.