TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
enclosed. Automatic controls shall be complete with step-down
transformers so that only 480 volt circuit is required for the door operator.
All power controls and limit switch shall be installed in water and dust-tight
NEMA 4 enclosures. All connections shall be water-proof. Door leaves
shall open at approximately 22 inches per second, and close at
approximately 16 inches per second.
e. Doors shall be supplied with pull-cord switches and plastic pull cords.
Door shall be also furnished with adjustable time-delay closing device with
floor trip-wire safety device. Floor trip wire and signal generator to be
furnished by Others.
f. Doors shall be provided with a pushbutton operated partial opening for
pedestrian use. A separate adjustable time-delay closing device shall be
provided for this operation.
g. It is the intent of this specification that the door operation to perform the
following functions:
1) Pull cord opens door.
2) Time delay closes door.
3) Time delay starts when door reaches open position.
4) Pull cord resets time delay after time period starts.
5) Pull cord reverses door while closing.
6) Floor loop prevents door from closing.
7) Time delay is reset periodically while floor loop is activated.
8) Floor loop does not open door from closed position.
9) Door will reverse if floor loop is activated while closing.
10) Safety edge will reverse door and hold open until manually closed
by pull cord and wait for time delay.
11) Except for 10 above, pull cord will not close door.
12) Pedestrian button opens door partially. Door closes by time delay
after opening.
2. Power Operated Single Horizontal Slide - Freezer
WALK-IN COOLERS AND FREEZER 13100-5