Programming Documents for Pre-K for SA - The City of San Antonio

The following Heating, Ventilating and Air Conditioning (HVAC) standards shall be observed
in all MDF/IDF rooms:
The temperature of any MDF/IDF room should be maintained between 55° F and 78° F.
The relative humidity of any MDF/IDF room should be maintained between 14% and 45%.
5.5.2 Lighting Standards
MDF/IDF rooms shall have sufficient lighting so that Maintenance and other personnel can
easily see labels, equipment ports, and any other item of interest in the room including
communications facilities. Lighting shall not be placed directly over cable trays.
5.5.3 Interior Finishes
Floors, walls, and ceilings shall be treated to eliminate dust. Finishes shall be light in color to
enhance room lighting. Flooring materials having antistatic properties shall be selected. Sealed
concrete or tiled floors are recommended. Carpet or rugs are not permitted in MDF/IDF rooms.
Existing MDF/IDF rooms not in compliance with this requirement that contain electronics are
to be reconditioned as soon as conditions allow.
5.5.4 Electrical Power Standards
The following electrical power standards should be observed in all communications rooms:
The standard service is two dedicated 120 VAC, 60 Hz outlets protected by a 20A circuit
breaker and should be located on the cable tray directly above the cabinet. In the event that the
outlets cannot be mounted above the cabinet, the outlets should be mounted either directly
behind a floor-mounted cabinet or directly below a wall-mounted cabinet approximately 18”
from the floor. In addition, a dedicated 120 VAC, 60 Hz outlet protected by a 20A circuit
breaker should be installed on the wall that is covered with plywood for service providers
approximately 18” from the floor.
Non-standard service is provided on a case-by-case basis to equipment requiring different
service and require approval from the ITSD Communications Manager or his designated point
of contact.
At locations where a Terra Frame is installed at least one 208v 30 amp and onefour 208v 20
Amp outlet with L6-20P should be located on the cable tray directly above the cabinet. In the
event that the outlets cannot be installed above the cabinet, the outlets should be mounted on
the wall directly behind the cabinet approximately 18” from the floor.
Note: When the equipment in a particular rack exceeds the capacity of the existing service
outlets or associated 20A circuit breaker, installing additional service outlets dedicated to a
second 20A circuit breaker is permissible.
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