DOORS Page 1 of 10 TECHNICAL SPECIFICATION â SECTION 8 ...

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DOORSf. Doors, except cab-end, body end doors, will be powered by either a pneumatic or electricoperator. There shall be a three position switch located adjacent to the door that allows thedoor to work in either automatic mode, manual mode, or locks the door in the closedposition. The switch can only be activated by use of a VRE coach key. There shall be twomethods to activate the door mechanism, one is a push plate located at a convenient heightadjacent to the door and the other is a kick plate located at the base of the door. The doortiming shall be adjustable from 15 seconds to 30 seconds and include obstruction detection.8.5 Electrical Locker Doorsa. All electrical locker doors shall be accessible by a standard coach car key.8.6 Door Control8.6.1 Generala. The side entrance doors on the cars shall be arranged to operate from local Master DoorControllers (MDC) located one on each side of the car. If there are two side entrance doorson each side of the train, the MDCs shall be located diagonally across from each other.1) These controllers shall use the low voltage AC train line signals to control either electric orpneumatic door operators.2) Each door shall also have venting air valves for manual use and/or emergency override.3) Operation of the side entrance doors must be completely compatible with those on otherVRE cars.b. Design of the side door control system shall meet the requirements of 49CFR238 and the -recommendations of APTA RP-C&S-012-02 and APTA SS-M-18-10 (latest versions).c. All cars shall be tested for multiple unit operation of door control prior to shipment.d. The final design of the side entrance door control, door operator, and door indication systemsshall be submitted to VRE for review and acceptance, before the equipment is installed on thefirst car. [CDRL 8-04] Complete details of the design, showing compliance with allrequirements of this Section and other relevant sections of the contract, shall be provided. Thedesign review shall include drawings and schematics, and also a written technical description ofoperation of the circuit. The description shall include sufficient information as to allow thereader to understand operation of all push-buttons, lights and annunciation signals. The designshall be submitted within 120 days of Notice to Proceed (NTP).8.6.2 Operationa. The side entrance doors shall be arranged for remote electric control and pneumatic or electricoperation.b. The side entrance door control system shall be train lined to permit operation of all sideentrance doors on one side of the train from any vestibule Master Door Controller panel onthe same side of the train.c. Side entrance Master Door Controller (MDC) panels shall be provided on each side of thetrain so that an attendant can operate the buttons to open and close the doors while standing inRFP No. 012-001 – New Passenger Rail Cars IIIPage 4 of 10
DOORSthe doorway. If the design calls for two side entrance doors per side, the MDCs shall belocated on doors diagonal from each other.d. One train line circuit shall be utilized to open side entrance doors for each side of the train.1) Side entrance doors shall be closed by utilizing one other train line circuit for each side ofthe train. (See Section 7 for trainline assignments).2) The side entrance door control circuits shall be designed to preclude operation as a result ofelectrical transients on the control train lines.e. The door control system may consist of traditional relay logic, electronic or microprocessorcontrol.f. All door control circuits for one (1) side of the car shall be separate and distinct from thosefor the other side of the car. There shall be no shared components unless specifically calledfor herein. Other door control arrangements, based on the Carbuilder's past practice, shall beconsidered.g. No operational failure of a microprocessor, its output stage, relay or other component in thedoor control system shall result in an unsafe condition in which doors may open withoutcommand or falsely indicate a closed and locked condition. In the event of microprocessorfailure, all associated door warning status lights shall become illuminated.h. Door control logic and circuitry shall be arranged so as to permit train operation with sidedoors open only if the car is equipped with a center vestibule.1) If the side entrance door/doors open directly into the passenger compartment the trainshall not be able to leave the station unit the door/doors are closed.2) It shall be possible for a crew member to actuate the "Local Open" control on theadjacent control panel, in which case the side door will open.i. Traction interlock with door controls is required. The manufacturer shall submit a design toVRE for approval. CDRL [8-05]j. Doors shall not open unless at zero speed, except a “This Door Only” or “Local” button shallfunction at all speeds when the MDC is keyed up. All doors shall close automatically whentrain motion is detected, except a door which has been opened by the “This Door Only” or“Local” button shall remain open if the MDC remains keyed on.8.7 Side Entrance Door Operatorsa. Each side entrance door shall be actuated by an electric or pneumatic operator, which shall bemounted above the side door opening or in close proximity to the side door, located so as to bereadily accessible for maintenance and well protected from wind driven precipitation.b. An access panel shall be provided for the door operator.c. It shall not be necessary to dismantle any equipment to gain access to the door operator.d. The door operator and/or the operating linkage shall be designed so that sufficient dampeningaction will be provided to keep the door from bouncing off its stops at the end of either theopening or closing cycle; and, so that the speed of the doors from the moment of energizing thedoor operator to the completion of operation including cushioning, shall be as follows:RFP No. 012-001 – New Passenger Rail Cars IIIPage 5 of 10
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DOORS Page 1 of 10 TECHNICAL SPECIFICATION â SECTION 8 ...