MEMORANDUM TO: Holders of Contracts Documents FROM: Karen ...

in operation, any unsecured doors shall illuminate a warning lamp on the driver’s dashboard panel. Only
the driver’s door shall be equipped with a key locking mechanism which shall be as provided by the OEM
manufacturer.
16.2 Design and operation of all doors, hatches, mechanisms, markings, emergency devices, warning
lights and related equipment shall comply with all applicable Maryland State and Federal regulations.
16.3 Front Doors
16.3.1 The front passenger door shall be an outward-folding double leaf design (transit) door and shall
be located on the curbside of the vehicle behind the front wheel. The clear door opening between hand
rails shall be a minimum of 32 inches in width, with the exception of the SRW which shall be 30”. The
clear door opening shall be a minimum of 80 inches in height measured from the first step to the door
header. Each door leaf shall have a minimum 2-1/2 inch rubber outer edge to protect passengers in the
event of an inadvertent door closing. The door portal opening shall be structurally reinforced to insure
the structural integrity of the vehicle.
16.3.2 The door shall be electrically operated from the driver's position and shall be held in the open or
closed position with a passive mechanical interlock or detent. The front doors shall be equipped with an
interior safety release mechanism, permitting the doors to be mechanically opened in the case of an
emergency.
16.3.3 The driver's entrance door shall be the standard chassis manufacturer's equipment.
16.3.4 Deleted.
16.3.5 The entrance doors shall have an exterior weatherproof programmable numerical keypad that
can open and close the doors. The location of the keypad shall be approved by the MTA.
16.4 Emergency Exit Door
16.4.1 Emergency exit door(s) shall be located in the rear of the vehicle. The door shall be of a single leaf
design and shall include either a spring loaded hold-door-open system to maintain a clear opening or a
latching mechanism, to be approved by the MTA prior to production, in order to facilitate emergency
exit operations. Minimum dimensions of the clear door opening shall be 35.5 inches wide by 54 inches
high.
16.4.2 Opening of the rear door(s) shall activate a rear door ajar buzzer and illuminate a red warning
lamp on the driver's dash panel, whenever the door is not secure.
16.4.3 The emergency door shall have upper and lower glazing and include one 11” x 14” static cling ‘fish
eye’ wide-angle rear window lens. The lower window shall have a see through mechanism, such as
expanded metal panels or grates, to prevent contact of mobility devices. The door shall be openable
from outside the vehicle and shall be non-locking. The structure of the door, mounting equipment,
inside and outside trim and any exposed mechanisms shall be of durable, corrosion resistant material
that is rigidly reinforced. Positive stops to limit the door travel in both the open and closed positions
shall be provided.
16.5 Wheelchair Lift Service Door
16.5.1 The wheelchair lift service door shall be located aft of the rear axle on the curbside of the vehicle
and shall have a minimum opening of 42 inches wide by 62 inches high. The actual position shall be
determined by maximizing the passenger carrying capacity of the vehicle for at least two (2) wheelchairs
and the required number of ambulatory passengers in fixed forward facing positions.
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