CF-TownC CHC-CS 860819 General Telephone Company
of the Southwest
August 19, 1986 P.O. Box 128
Levisville, TX 75067
214 434-8850
Mr. ~rank ~rando, City Manager
City of Coppell
P.O. Box 478
Coppell, Texas 75019
I~ar Frank:
Listed below are the equipment room requirements necessary to complete
the installation of Enhanced 9-1-1.
~ 1. Temperature should be maintained between 65 and 82 degrees
F.
/~L..~by~The roomneeds an air conditioning duct due to the heat generatedthe equipment.
2wi~. A wall ground bar is needed to common all grounds t.n the room.
is ground bar needs to be connected to a cold water pipe ground
th #6 wire.
~ ) 3. One 20 amp l17v 60 hz. breaker ~a'~d one 30 amp l17v 60 hz. breaker
~t~ff( needs to be provided. One 30 amp for the power bay (hooked directly \ _from the 30 amp breaker to the E-9-1-1 equipment) is required. The
{ 20 amp breaker should be wired to a quadruplex (three conductor)
/ receptacle mounted behind the equipment on the ~11 or mounted on
/ the equipment. These breakers need to be on the emergency generator
power panel.
[ 4. A 2-inch conduit needs to be provided from the ~all board in the
\ equipeent room to the wall location on the console in the control
~.a room.
5. Sprinklers should not be located in the equipment room. They could
cause damage to the equipment if they were activated.
The items noted above need to be completed by September 15, 1986, in order
to meet the in-service date of October 31, 1986. If you have any questions
regarding E-9-1-1 please contact me.
Sincerely,
J. H. Cowman
Test Dispatch Supervisor
cc: John Medallle - Las Co!inas
Barbara Cartoon - Las Colinas