Specifications
St. David Catholic School Manning Architects
Gym and Classroom Replacement N10.024.00
New Orleans, Louisiana July 20, 2012
PA/INTERCOM SYSTEM 16750 -6
1.3” (3.3 cm) D and the unit shall weigh .55 lb. (.25 kg).
2.30 The hallway and other multi speaker areas shall use speakers with an 8” dual cone design
with a minimum frequency response of 30Hz-18kHz. It shall have a minimum voice coil
diameter of ¾” and be capable of handling 10 watts of program power. Multi purpose area
speakers shall incorporate self-amplified speakers in order to use structured cable throughout
the system. Any system requiring 25/70 volt speaker assemblies with line matching
transformers will use a transformer of such quality that a minimum frequency response of
60Hz-12kHz will be provided.
2.33.1 Multi purpose area speakers shall be:
Ceiling mounted single assembly type, designed to fit into an industry standard drop
ceiling. Ceiling speakers requiring assembly to separate back boxes will not be acceptable.
Ceiling mounted with white round metal baffle designed to mount in separate back box.
Back box shall be designed to mount in industry standard drop ceiling.
2.31 Weatherproof outside paging loudspeakers shall have a minimum power rating of five (5)
watts. The speaker shall have a minimum frequency response of 275-14kHz and a
dispersion angle of 120 x 60 degrees. It shall be surface mounted, capable of delivering five
(5) or fifteen (15) and be rated for outside use, as needed for proper coverage of play area.
2.32 Provisions for the automatic distribution of paging announcements from a remote desk
mounted microphone. Keying the microphone shall automatically mute all other audio
sources and transmit the microphone signal to all rooms or specific groups of rooms as
programmed into the system software.
2.33 Provide Program Monitor Assembly to preview audio material prior to distribution. Provide
a roof top antenna to ensure proper reception on the FM band. Provide appropriate wall or
desk rack mounting of this device as shown on drawings.
2.34 All cable shall be listed for the intended purpose. Use CAT 3/5/5e/6, 24AWG, U.L. Listed
cable. Home run all station wiring in individually jacketed cables. Number of pairs within the
cable may vary due to specific field conditions.
2.35 All interior staff station wiring shall be in accordance with current new construction wiring
guidelines published by the manufacturer, including staff speaker and call switch.
2.36 All interior Administrative phone(s) shall be wired in accordance with current new
construction wiring guidelines published by the manufacturer.
2.37 All operator displays shall be connected to the system in accordance with current new
construction wiring guidelines published by the manufacturer.
2.38 All amplified speaker circuits shall be connected using two (2) twisted pairs. One pair for
line level audio and one pair for 24 VDC power.
2.39 All constant voltage speaker circuits shall be connected using a separate twisted shielded
pair.
2.40 Transient suppression shall be required on all wiring leaving the building.
2.41 All cables run in underground conduits shall be suited for wet locations.