Specifications

Technology Upgrade Audio Equipment 28 5450-6
1224_01
A. Location of the communications infrastructure shall be finalized in the communications room
prior to installation.
B. Locate all equipment to be installed, and make certain that space is available for
maintenance and service during the life of the system.
C. If any changes from the drawings are required, the Contractor shall submit a proposed layout
of the communications layout to the Engineer for approval prior to installation.
3.02 RACKS AND CABINETS
A. Clean floor prior to installation of the communications racks.
B. Coordinate with all other Contractors and ensure that the locations of all cable tray and
conduits are correct and will feed the rack system adequately.
C. The communications cabinet shall be located near the wall to allow connection of the power
and communications cables.
1. The cabinet shall be located so that the front and back doors will open and are not
directly facing a wall.
2. Obtain prior to approval by the engineer of the final placement of the cabinets. The
contractor shall locate the cabinets to provide sufficient space for technicians and the
owner to install and maintain the equipment in the racks.
3. Contact the Engineer prior to final placement of the cabinets.
4. Remove paint from cabinet where ground braid is attached to the rack or cable
ladder. Use star washers for all ground connections.
5. Where multiple cabinets are to be located beside one another, do not install side
panels where the cabinets are joined.
D. Rack shall be mounted in the wooden cabinet.
1. Attach base of rack to the cabinet base. Provide connections that will support the rack
and components when it is pulled out for maintenance.
2. Install rack to keep sliding rails out of the way of incoming cables and power.
3. Coordinate rack with carpenters work.
4. Test the in-out sliding of the rack and rotation prior to installing equipment
E. Cabinets mounted to the wall shall be securely attached.
1. Where the cabinets are to be mounted to a wall, the Contractor shall first install a
piece of plywood to be used to mount the cabinet on. Secure the plywood to the wall
then secure the cabinet to the plywood and wall where possible.
2. Review the facilities above a cabinet prior to installation. When possible, cabinets
should not be installed below water pipes or other facilities in the ceiling.
3. Mount the cabinet so that the top of the cabinet is not more than 7 feet AFF.
4. Check to make sure that the cabinet will be able to fully open from both hinges after
installation. Change mounting location to accommodate the opening.
5. Install support wheels to the cabinet to support the weight of the cabinet when it is
closed.
3.03 AUDIO ELECTRONICS INSTALLATION
A. Contractor shall review design prior to ordering all components.
B. The Contractor shall be responsible for providing a complete system including all parts
required for connectivity of all components.
C. All cables, connectors, supports, boxes, etc., shall be the responsibility of the Contractor.
D. The Contractor shall refer to the drawings for the installation notes and locations in the racks
of all the equipment. If changes are required in the field, the Contractor shall submit the
proposed changes in the form of updated rack/cabinet layouts. The Engineer shall have the
final say on proposed changes.
E. All components required for a well functioning system shall be provided and installed.
F. Interconnections between speakers and amplifiers shall be via terminal strips. Speakers
shall not be directly connected to an amplifier. Terminal strips shall be mounted to the side
of a cabinet, or to a piece of wood mounted to the back of the rack.