Metropolitan Transit Authority, New York City Transit (NYCT), Brooklyn, NY
Provided project management and technical support services. Was responsible for technical matters pertaining to subway car brakes, couplers, HVAC, carbody, and trucks. Evaluated railcar truck frames, carbody structures, and undercar equipment supports utilizing static and fatigue stress analysis, weld analysis, and shock and vibration analysis and testing. Reviewed technical calculations and drawings related to the design of Kawasaki’s standard radius arm truck designed and used for the R142A, R143 and R160 contracts. Led the development of the contracts and worked with Alstom and Adtranz in developing the universal fabricated truck frames for use on multiple fleets.
Managed and evaluated vehicle performance and participated in vehicle acceptance and commissioning tests to prepare the vehicles for revenue service. Coordinated field tests on existing and prototype equipment to ensure compliance with approved standards, procedures, and safety regulations. Duties included the preparation, review, and approval of drawings; upgrade procedures; and test procedures. Evaluated test results, prepared test reports, and formulated and prepared summaries of recommendations. Examples of projects that managed include the R62A Railcar Truck Frame Fitness for Service and Life Expectancy Assessment; R68 Optical Speed Measurement System (OSMES) Test Program, which assessed the applicability for NYCT’s car-based train control (CBTC) signaling system; structural restoration of the R38 test cars after completion of the MELCO prototype AC propulsion test; conversion of R33S passenger cars to flatbed work-cars; R46 and R68A Ride Control and Quality Upgrade Test Program; Prototype and estimate cost for implementing the R32 Car Body Structural Restoration Plan. Led field modifications for R62 HVAC system to alleviate air supply condensation issues.
Managed and conducted multiple accident investigations to analyze the cause of derailment incidents and crash accidents. Assessed the dynamics that led to the incidents using field tests, computer simulations, and energy conservation calculations. Supported the scheduled maintenance program (SMS) for NYCT, providing engineering and technical support, failure reviews, root cause analysis and vendor qualifications for supplies of components and upgraded systems.
