Specifications

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Project Name M-DCPS MASTER Nov. 2014

Project No. SPECIFICATION GUIDELINES 13745 − 1

13745 INTERCOM AND CLOCK SYSTEM

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SPECIFIER:

CSI MasterFormat 2004 number: 27 51 16

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PART 1 GENERAL

1.1 SUMMARY

A. Provide a complete microprocessor controlled intercom and clock/bell system as shown

on the drawings and as specified herein.

1. System shall include, but not limited to, the following items:

a. Central system control console including intercom, master clock, Compact Disc

(CD) player, RCA inputs and an input for a 1/8th inch stereo mini jack.

b. Clock/speaker units, speakers, administrative telephones, call displays, dual call

buttons, uninterruptible power supply, and room program selector switches when

required for specific areas.

c. Secondary clocks.

d. Main equipment console.

e. Metal cabinet enclosures for wiring to main equipment rack.

f. Terminal blocks.

g. Testing and certification.

h. Record Drawings.

i. Raceway and pull box systems including conduits and outlet boxes.

j. Speaker/clock back-boxes furnished to the General Contractor by the intercom

equipment contractor for installation by the electrical contractor.

B. Intercom system shall be listed by an OSHA approved Nationally Recognized Testing

Laboratory (NRTL).

C. All equipment shall be installed in accordance with the manufacturer's recommendations.

D. Install equipment on the AC voltage supply, taking care to arrest damaging electrical

transient and spikes which can cause damage to the microprocessor components of the

system.

E. Protect all incoming intercom lines by the use of individual circuits surge protectors

installed as per manufacturer recommendations.

F. Supply, install, adjust, test and guarantee the specified equipment by a factory authorized

communications contractor for the products furnished.

G. The communication installer supplying the equipment shall show upon request,

satisfactory evidence that they maintain a fully equipped service organization capable of

performing adequate inspection and services to the system, including replacement parts.

Summary of content (15 pages)

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3745 INTERCOM AND CLOCK SYSTEM ************************************************************************************************************* SPECIFIER: CSI MasterFormat 2004 number: 27 51 16 ************************************************************************************************************* PART 1 GENERAL 1.1 A. SUMMARY Provide a complete microprocessor controlled intercom and clock/bell system as shown on the drawings and as specified herein. 1.
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H. The installer shall be prepared to offer a service contract for the maintenance of the system after the warranty period. Produce evidence that they have a fully experienced and established service organization for at least five (5) years and proven satisfactory installations during that time. 1.2 A. RELATED SECTIONS: Coordinate the work with the following M-DCPS Master Specifications sections: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 1.3 A.
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1. 2. 3. 4. 5. 1.5 Provide 5 operating and maintenance manuals complete with replacement parts data for all systems. Submit 2 copies of the system description and operation. Operating Instructions permanently affixed to all administrative control stations. As built Drawings: Three (3) hard-copy sets and two (2) digital (CD/DVD) sets. They shall include up-to-date drawings that include any changes made to the system during installation.
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B. Provide a 4 hour response time for routine service and trouble conditions and a 48 hour turnaround for repairs or parts replacement. C. A maintenance contract offering extended continuing factory authorized service of this system shall be made available, if requested by M-DCPS. PART 2 PRODUCTS 2.1 PRODUCERS/PRODUCTS A. Model numbers listed in this specification indicate the type of equipment to be furnished. Listed accepted manufacturers shall submit equivalent products as specified in this section.
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B. The central control shall be of the modular plug-in printed circuit board type, using solidstate microprocessor and memory, solid-state sensing and logic. It shall also provide 2wire balanced transmission with dial-tone, ringing, and busy signal capabilities, if applicable. C. The user programmable functions shall be contained in non-volatile memory. D.
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12. Provision for calls originating from any staff/ classroom station location shall be userprogrammed by a designated administrative telephone for assignment to any location having displays. Systems unable to so direct station calls are not allowed. Classroom stations shall be provided with dual call-in switches. Locate wall display next to the fire alarm and the main display phone. 13. Facilities for answering calls registered in the readout display by dialing their number.
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21. Provide the following spare parts: a. b. c. F. One spare “circuit board” or “switching card” (depending on manufacturer), of each type used. One power supply assembly unit. One spare surge suppression. Components: 1. If the installation includes a 2-channel program distribution system, it shall consist of the following components: a. b. 2. Master Control Panels: a. 3.
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a. b. c. d. e. f. g. Design the power amplifiers, if used, for completely dependable continuous operation in alarm, paging, and sound reinforcement use. They shall meet the UL 1480 standard requirements for amplifiers intended for use in fire-protective signaling systems. The amplifiers shall deliver an output as designed for the system at elementary, middle, and high schools at less than 2 percent harmonic distortion at full rated output.
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1. Micro-processor base programmable by the user through electronic means. a. b. 2. The programmable master control clock shall be capable of storing and controlling a minimum of 350 events in non-volatile memory. It shall program and control the following: a. b. c. 3. The time the event is to occur and whether AM or PM. The selection of any zone or any combination of zones (minimum of 8) where the event is to occur.
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d. e. Pushbuttons for selecting schedules. Synchronize to the US Naval Observatory (USNO) time, a minimum of once every 24 hours, using a GPS receiver. f. Interface with secondary clocks, either analog or digital, with provision for hourly and 12-hour corrections. g. Ability to program for automatic holiday operation. h. Ability to program for required secondary clock correction. i. Software selection of user zones (4, 6, or 8) or schedules. j.
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f) 2) [Digital Clocks:] a) I. Provide a 4-digits (hours and minutes) 12-hour display, with red color 4" inch high LED digits. Equipment Racks: 1. 2. 3. 4. 5. 6. 7. 8. 9. 2.3 The clock case shall be metal or ABS, with a black or silver finish. Clock shall be supplied with a sway-proof hinge for secure mounting.
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a. b. Room Speakers: Mounted in clock/speaker combination baffles. Interior Ceiling Speakers: 1) 2) c. 2. 3. F. Exterior Speakers: In weatherproof housing. Speakers shall be tapped according to room requirements. Provide keyed operated speaker controls (On/Off) at: a. b. c. 4. Mounted in baffle with back-box and T-bar Support. Adequately support speakers in acoustical ceilings by hanger wires to eliminate panel deflection. CCTV Control room and CCTV Studio. Cafetorium/Auditorium Stage area.
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1) 2) g. h. i. 5. 6. 7. Three No.12 AWG THHN or Use associated intercom/paging system’s speaker wires for power and time correction. Provide all intercom and clock wiring in raceways. Mount a momentary pushbutton remote from the speaker baffle for signaling the central console in each room. Install suitable type hinged terminal cabinets as indicated on plans. Provide marked terminal strips in all junction boxes. Soldered and tap joints will not be permitted.
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F. 3.3 Provide a rack mounted battery backup system or accepted equivalent with a capacity for operating the head-end under normal idle load for 2 hours and then operating the system in at full power to all speakers for 5 minutes after the end of the idle period. INSTALLATION A. Provide and Install the intercom and clock systems according to applicable codes and the Contract Documents. B.
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B. 3.5 After M-DCPS initial testing approval, a continuous 30 calendar day period of trouble-free operation is required before system acceptance. DEMONSTRATION A. After system has been tested, checked, and certified as complete and operational, technician shall demonstrate various functions and operations of system to A/E and MDCPS maintenance and administrative staff. B. Demonstrate and explain system functions and operations in detail to school personnel designated by the school’s principal. C.