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                        |  | LIRR MASSAPEQUA POCKET TRACK
                           ISR's Role• Construction phase services
 • Construction staging
 • Force account schedule
 • Operations Analysis
 |  PROJECT DESCRIPTION:ISR is part of a design team that will  prepare a design and provide construction phase services for the Massapequa  Pocket Track Project, PN-TV.  ISR is  developed the construction staging and force account schedule for the Long  Island Rail Road project to install a second track between Farmingdale and  Ronkonkoma. The team’s design will involve three (3) No. 10 Track Switches,  three (3) M23 Signal Switches, five (5) color light signals and their support  system, Aerial Fiber Optic cable to connect the Central Instrument location (Cll),  Supervisory System, 1700 feet of third rail, 2400V, 100 Hz service for the  signal system, 60 Hz electrical service to feed signal hut lighting and  HVAC.  Additional design items include a  retaining wall and a 75 foot span to support the pocket track for Unqua  Creek Bridge.  This 1700 foot pocket  track will be for 12-car consist, helping prepare for future East Side Access  related service demands, allowing for more service and increased seating  availability for customers along this branch, by providing robust, frequent  service to both Penn Station and Grand Central Terminal.
 
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