Attachment_1._SABER_Specifications_Part7.pdf

SECTION 27 51 16

RADIO AND PUBLIC ADDRESS SYSTEMS

PART 1 GENERAL

1.1 REFERENCES

1.1.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. Unless other wise noted, the latest published version and/or revision shall be used.

1.1.1.1 CONSUMER ELECTRONICS ASSOCIATION (CEA)

a. CEA-310-E Racks, Panels, and Associated Equipment

1.1.1.2 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

a. IEEE C62.41.1 IEEE Guide on the Surges Environment in Low-voltage (1000V and Less) AC Power Circuits

b. IEEE C62.41.2 IEEE Recommended Practice on Characterization of Surges in Low-voltage (1000V and Less) AC Power Circuits

1.1.1.3 NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

a. NFPA 70 National Electrical Code

1.1.1.4 UNDERWRITERS LABORATORIES (UL)

a. UL 1449 Surge Protective Devices

1.2 SUBMITTALS

1.2.1 Government approval may be required on any of the following items. Items requiring submittals will be listed on the Submittal Register. Provide copies of all submittals per the requirements in Section 01 33 00, Submittal Procedures, or as listed on the Submittal Register.

1.2.1.1 SD-02 Shop Drawings

a. Detail Drawings

(1) Detail drawings as specified.

1.2.1.2 SD-03 Product Data

a. Spare Parts

(1) Spare parts data for each different item of material and equipment specified.

1.2.1.3 SD-06 Test Reports

a. Approved Test Procedures

27 51 16-1

SABER Specifications

FA2517-13-R-5000

Attachment 1 20 May 2014

(1) Test plan and test procedures for the acceptance tests. The test plan and test procedures shall explain in detail, step-by-step actions and expected results to demonstrate compliance with the requirements specified. The procedure shall also explain methods for simulating the necessary conditions of operation to demonstrate system performance.

b. Acceptance Tests

(1) Test reports in booklet form showing all field tests performed to adjust each component and to prove compliance with the specified performance criteria, upon completion and testing of the installed system. The reports shall include the manufacturer, model number, and serial number of test equipment used in each test. Each report shall indicate the final position of controls and operating mode of the system.

1.2.1.4 SD-07 Certificates

a. Components

(1) Copies of current approvals or listings issued by UL, or other nationally recognized testing laboratory for all components.

1.2.1.5 SD-10 Operation and Maintenance Data

a. Radio and Public Address System

(1) Submit Data Package 3 in accordance with Section 01 78 23 Operation and Maintenance Data

1.3 SYSTEM DESCRIPTION

1.3.1 The radio and public address system shall consist of an audio distribution network to include amplifiers, mixers, microphones, speakers, cabling, and ancillary components required to meet the required system configuration and operation.

1.3.1.1 Multi-Channel System with Paging

a. The system shall include microphones, microphone outlet receptacles, microphone inputs with preamplifiers, inputs for compact disc, magnetic tape, telephone, program sources, single and all channel paging, control for each input, power amplifying equipment, and accessories required to output the public address and paging audio signals through selected portions of the audio distribution network as indicated. The paging signal shall replace by zones channel of the radio system output, when the paging function is activated.

1.3.1.2 Single-Channel System

a. The system shall control and amplify an audio program for distribution within the areas indicated. Components of the system shall include a mixer-preamplifier, mixer-amplifier, mike input expander, power amplifier, microphone, speaker system, compact disc, cassette player, AM-FM tuner, cabling and other associated hardware.

1.3.1.3 System Performance

a. The system shall provide even sound distribution throughout the designated area, plus or minus 3 dB for the 1/1 octave band centered at 4000 Hz. The system shall provide uniform frequency response throughout the designated area, plus or minus 3 dB as measured with 1/3-octave bands of pink noise at locations across the designated area selected by the Contracting Officer. The

27 51 16-2

Attachment 1 system shall be capable of delivering 75 dB average program level with additional 10 dB peaking margin sound pressure level (SPL) in the area at an acoustic distortion level below 5 percent total harmonic distortion (THD). Unless otherwise specified the sound pressure reference level is (0.00002 Newtons per square meter).

1.3.1.4 Detail Drawings

a. The Contractor shall submit detail drawings consisting of a complete list of equipment and material, including manufacturer's descriptive and technical literature, performance charts and curves, catalog cuts, and installation instructions. Note that the contract drawings show layouts based on typical speakers. The Contractor shall check the layout based on the actual speakers to be installed and make necessary revisions in the detail drawings. Detail drawings shall also contain complete point to point wiring, schematic diagrams and other details required to demonstrate that the system has been coordinated and will properly function as a unit.

Drawings shall show proposed layout of equipment and appurtenances, and equipment relationship to other parts of the work including clearances for maintenance and operation.

1.3.1.5 Spare Parts

a. The Contractor shall submit spare parts data for each different item of material and equipment specified, after approval of the detail drawings and not later than 2 months prior to the date of beneficial occupancy. The data shall include a complete list of parts and supplies, with current unit prices and source of supply.

1.4 DELIVERY AND STORAGE

1.4.1 Equipment placed in storage until installation shall be stored with protection from the weather, humidity and temperature variations, dirt and dust, and other contaminants.

1.5 VERIFICATION OF DIMENSIONS

1.5.1 The Contractor shall become familiar with the details of the work and working conditions, shall verify dimensions in the field, and shall advise the Contracting Officer of any discrepancies before performing the work.

PART 2 PRODUCTS

2.1 STANDARD PRODUCTS

2.1.1 Material and equipment to be provided shall be the standard products of a manufacturer regularly engaged in the manufacture of such products, and shall essentially duplicate material and equipment that have been in satisfactory use at least 2 years. All components used in the system shall be commercial designs that comply with the requirements specified. Equipment shall be supported by a service organization that is within 200 miles of the site.

2.1.1.1 Identical Items

a. Items of the same classification shall be identical. This requirement includes equipment, modules, assemblies, parts, and components.

27 51 16-3

Attachment 1

2.1.1.2 Nameplates

a. Each major component of equipment shall have the manufacturer's name, address, model and catalog number, and serial number on a plate secured to the equipment.

2.2 MIXER-PREAMPLIFIER

2.2.1 Mixer-preamplifier shall as a minimum conform to the following specifications:

Rated Output: 18 Db

Frequency Response: Plus or Minus 1 dB, 20 - 20,000 Hz

Distortion: Less than 0.5 percent, 20 - 20,000 Hz

Signal to noise: Microphone - 60 dB

Aux - 70 dB Inputs: 5 independent balanced low- impedance transformer-isolated

Input Sensitivity: Microphone - 0.003 volts

Aux - 0.125 volts

Magnetic Cartridge - 0.0005 volts

Input Channel Isolation: 80 dB minimum

Tone Controls: Plus or Minus 10 dB range at 50 and 15,000 Hz

Power Requirement: 110-125 Vac 60 Hz

2.3 POWER AMPLIFIERS

2.3.1 Power amplifiers as a minimum conform to the following specifications:

Rated power output: 60 watts RMS (minimum)

Frequency Response: Plus or Minus 3 dB, 20-20,000 Hz

Distortion: Less than 2 percent at RPO, 600-13,000 Hz

Input Impedance: 50 k ohm unbalanced

Output Impedance: Balanced 4 and 8 ohms

Output voltage: 25 and 70.7 volts

Power Requirement: 110-125 Vac 60 Hz

27 51 16-4

Attachment 1

2.4 MIXER AMPLIFIERS

2.4.1 Mixer amplifier shall as a minimum conform to the following specifications:

Rated Power Output (RPO): 60 watts RMS (minimum)

Frequency Response: Plus or Minus 3 dB, 20-20,000 Hz

Distortion: Less than 1% at RPO, 60 - 13,000 Hz Inputs: 2 microphones (high impedance or low-impedance unbalanced 2 Aux. (high-impedance)

Output Impedance: Balanced 4 and 8 ohms

Output Voltage: 25 and 70.7 volts

Power Requirement: 110-125 Vac 60 Hz

2.5 MICROPHONE INPUT MODULES

2.5.1 Microphone input modules shall as a minimum conform to the following specifications:

Rated Outputs: 0.25 volts into 10,000 ohms

1.0 volts into 10,000 ohms

Frequency Response: Plus or Minus 2 dB, 20 - 20,000 Hz

Distortion: Less than 0.5 percent 20 - 20,000 Hz

Inputs: 4 transformer - coupled balanced 150 ohm

Input Sensitivity: 0.003 volts

Input Channel Isolation: 70 dB minimum

2.6 MICROPHONES

2.6.1 Desk Microphone

2.6.1.1 Microphones shall as a minimum conform to the following specifications:

Element: Dynamic

Pattern: Cardioid

Frequency Response: 50 - 12,000 Hz

Impedance: Low impedance mic (150-400 ohms)

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Attachment 1

Front-to-back Ratio: 20 Db

Selector switches: Selector switches for zone shall be integral microphone or Separate console adjacent to microphone

2.6.2 Gooseneck Microphone

2.6.2.1 Gooseneck microphone shall meet the minimum requirements of the desk microphone.

Microphone shall have push to talk button. Gooseneck tube length shall be 16 inch.

2.6.3 Microphone Jack

2.6.3.1 Each outlet for microphones shall consist of a standard outlet box, flush-mounted, and fitted with a three-pole, polarized, locking-type, female microphone jack and a corrosion resistant-steel device plate.

2.7 LOUDSPEAKERS

2.7.1 Cone Speaker

2.7.1.1 The cone speaker shall as a minimum conform to the following specifications:

Application: Wall baffle or Ceiling as indicated

Frequency range: 60 to 12,000 Hz

Power Rating: Normal - 8 watts

Peak - 10 watts

Voice Coil Impedance: 8 ohms

Line Matching

Transformer Type: 25/ 70.7 volt line

Capacity: 4 watts

Magnet: 10 ounces or greater

Primary Taps: 0.5, 1, 2, 4 and 8watts Primary Impedance: 25 volts - 1250, 625, and 312 ohms

70.7 volts - 10k, 5k, and 2.5k ohms

Frequency Response: 30 - 20,000 Hz

Insertion Loss: Less than 1 Db

2.7.2 Horn Speaker

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Attachment 1

2.7.2.1 The horn speaker shall as a minimum conform to the following specifications:

Application: Indoor, Outdoor/Weatherproof

Frequency Response: 400 - 14,000 Hz

Power Taps: 0.9, 1, 1.8, 2, 3.8, 4, 7.5, 15, 16 and 15 watts

Impedance: 5000, 2500, 1300, 670, 330, 90, and 45 ohms

Power Rating: Normal - 16 watts

Peak - 18 watts

Dispersion: 110 degrees

2.7.3 Dual Horn Speaker

2.7.3.1 The dual horn speaker shall meet the minimum requirements of horn speaker except the dispersion shall be 100 degrees.

2.7.4 High Output Speaker Enclosures

2.7.4.1 High Output speaker enclosures shall be of the tuned-port design for precise balancing and tuning of the speaker. The enclosures shall be constructed throughout of (3/4 inch) high density board, with screwed and glued joints, durably braced, and padded with fiberglass where acoustically required. Speaker enclosures shall have a 90 degree vertical dispersion and 90 degrees horizontal dispersion. The effective length of throw shall be a minimum of 50 feet.

2.7.5 Wall Baffle Speaker Enclosures

2.7.5.1 The wall baffle speaker enclosure shall be painted steel box and grille. Wall baffle enclosure shall come equipped with a wall mounting bracket designed to assure a rigid mounting to any flat surfaces.

2.7.6 Ceiling Speaker Enclosures

2.7.6.1 Ceiling speaker enclosure shall be constructed of heavy gauge cold steel with interior undercoating and 1 1/2 inch thick high density fiberglass 1-1/2 lbs per cu. ft. The unit shall be round or square and designed for recessed or surface installations which will be accomplished via standard screw or flange mount mounting. Enclosure shall include four triple compound conduit knockouts.

2.8 SPEAKER SWITCHING PANEL

2.8.1 Selector Switches

2.8.1.1 Zone control shall be provided for the paging function. The speaker switching panel shall contain at least as indicated push button selector switches and shall be rack-mounted or desk mounted to activate priority relays. Selector switches labeling shall be provided to identify the zones.

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Attachment 1

2.8.2 System Power Supply

2.8.2.1 Power supply shall be provided for priority relays and controls, rack-mounted and sized for a capacity equal to 200 percent of the as-built control system, and shall operate at 24 Vdc. Input and output shall be protected to permit Class 2 wiring in accordance with NFPA 70.

2.9 AM/FM EQUIPMENT

2.9.1 AM/FM Tuner

2.9.1.1 AM/FM tuner shall be rack-mounted and shall as a minimum conform to the following characteristics:

Tuning Range: AM - 540 to 1605 kHz FM - 88 to 108 MHz

Selectivity: 60 dB on FM

40 dB on AM

Sensitivity: FM - 1.5 microvolts

AM - 2.0 microvolts

Capture Ratio: 1.0 Db

Readout/selection: Digital

Other features: Phased Lock Loop (PLL)

Power Requirement: 110-125 Vac, 60Hz

2.9.2 AM/FM Antenna

2.9.2.1 The AM/FM antenna shall be roof-mounted, either combined and suitable for both AM and FM reception or separate AM and FM antennas and shall cover all frequency bands specified for radio tuners. The system shall be furnished complete with a transformer, insulators, crossover insulator, cable of proper length, lightning arresters, coupling transformer and divider network at the radio tuners.

2.10 COMPACT DISC PLAYER

2.10.1 Player shall have three beam laser pickup, dual Digital-to-Analog converters, random access and random mode programmable playback. Player shall have capability to play a minimum of 5 discs automatically. Player shall as a minimum conform to the following:

Frequency: 10 - 20,000 Hz Plus or Minus 1 dB

Signal-to-Noise: Minimum of 100 dB

Dynamic Range: Minimum of 96 dB

Total Harmonic Distortion: Maximum of 0.005% at 1 KHZ

27 51 16-8

Attachment 1

Channel Separation: Minimum 100 dB at 1 KHZ

Quantization: Minimum of 18 Bits Linear per channel

Conversion Rate: Minimum 8 x Oversampling

Disc Size: 5 inch

Power Requirement: 110-125 Vac, 60Hz

2.11 CASSETTE TAPE EQUIPMENT

2.11.1 The cassette tape play deck shall as a minimum conform to the following specifications:

Frequency Response: Plus or minus 3 dB, 20 - 20,000 Hz

Wow and Flutter: Less than 0.09 percent WRMS

Signal-to-Noise: 74 Db

Noise Reduction system: Dolby [B] [C] [S] [HX PRO]

Play Head: Hard Parmalloy

Operation: Automatic Reverse

Power Requirement: 110-125 Vac, 60 Hz

2.12 PRIORITY RELAYS AND CONTROLS

2.12.1 Priority relays and controls required to accomplish operations specified shall be provided. Relays shall be completely enclosed with a plastic dust cover for maximum protection against foreign matter, and shall be plug-in type. Relays shall be provided with a diode wired across the relay coil for transient suppression and shall be installed utilizing factory-prewired, rack-mounted receptacle strips. Coil shall be maximum 24 volts dc.

2.13 SWITCHES AND CONTROLS

2.13.1 Volume Control Switch

2.13.1.1 Where indicated, a volume control switch shall be installed with a switch at each station and shall be of the auto transformer type and set so that the maximum volume is sufficient for the area while not disturbing adjacent areas. If music is turned down or off, the paging signal shall override controls except speakers designated for music only. Each device plate shall be satin-finished, corrosion-resisting steel permanently marked to indicate the channel selected.

2.13.2 Remote Loudspeaker ON/OFF Switches

2.13.2.1 Remote switches shall be toggle switch 2-pole, wall-mounted, single gang type with engraved switch plates finished to match the approved finish of electrical wall switches. Low-voltage

27 51 16-9

Attachment 1 priority override relays shall be provided as part of the switches with all wiring to the racks to allow override of the ON/OFF switches for priority announcements.

2.13.3 Remote Loudspeaker Volume Controls

2.13.3.1 Remote volume controls shall be an auto transformer type with detented 3 dB steps and an OFF position. The controls shall be wall-mounted in single-gang outlet boxes and furnished with engraved switching plates finished to match approved finish of electrical wall switches.

Insertion loss of the controls shall not exceed 0.6 dB and the power-handling capacities of the control shall be 10 watts. Low-voltage priority override relays shall be furnished as part of these controls with all wiring to the racks to allow override of the volume controls for priority announcements.

2.14 EQUIPMENT RACKS

2.14.1 Equipment shall be mounted on 19 inch racks in accordance with CEA-310-E and located as shown on drawings. Ventilated rear panels, solid side panels, and solid top panels shall be provided. Equipment racks shall be provided with lockable front panels that limit access to equipment. The lockable front shall not cover items that require operator access such as am/fm tuner, CD player, or tape player. Rack cooling shall be through perforations or louvers in front panels to ensure adequate ventilation of equipment. A top rack mounted fan shall be provided.

The racks and panels shall be factory finished with a uniform baked enamel over rust inhibiting primer.

2.15 CABLES

2.15.1 Speaker Cable

2.15.1.1 Cables shall be of the gauge required depending upon the cable run length. In no case shall cable be used which is smaller than 18 AWG. Insulation on the cables shall be plenum rated.

2.15.2 Microphone Cable

2.15.2.1 Cable conductor shall be stranded copper 20 AWG. Insulation on the conductors shall be polyvinyl chloride (PVC) or an equivalent synthetic thermoplastic not less than 0.009 inch.

Cable shall be shielded 100% of aluminum polyester foil with a bare 22 gauge stranded soft copper drain conductor. Cables shall be jacketed with a plenum rated compound. The jacket thickness shall be 0.02 inch minimum.

2.15.3 Antenna Cable

2.15.3.1 Antenna coaxial cable shall have 75 ohm plus or minus 2 ohm. Attenuation of the coaxial cable span between the antenna and amplifier shall not exceed 2.5 dB at 108 MHz.

2.16 TERMINALS

2.16.1 Terminals shall be solderless, tool-crimped pressure.

27 51 16-10

Attachment 1

2.17 SURGE PROTECTION

2.17.1 Power Line Surge Protection

2.17.1.1 Major components of the system such as power amplifiers, mixer-preamplifiers, and tuners, shall have a device, whether internal or external, which provides protection against voltage spikes and current surges originating from commercial power sources per IEEE C62.41.1/IEEE C62.41.2 B3 combination waveform and NFPA 70. Fuses shall not be used for surge protection. The surge protector shall be rated for a maximum let thru voltage of 350 Volts ac (line-to-neutral) and 350 Volt ac (neutral-to-ground). Surge protection device shall be UL listed and labeled as having been tested in accordance with UL 1449.

2.17.2 SIGNAL SURGE PROTECTION

2.17.2.1 Major components of the system shall have internal protection circuits which protects the component from mismatched loads, direct current, and shorted output lines. Communication cables/conductors shall have surge protection installed at each point where it exits or enters a building.

2.18 TELEPHONE INTERFACE MODULE

2.18.1 Telephone Interface module shall provide one way all call paging access from telephone to PA system. Paging shall be accomplished by the building telephone system instruments interconnected to the PA system via an interface module to allow telephone dial up access to the paging amplifier. Interface module shall produce an alert tone in the associated speakers on activation. Telephone interface module shall as a minimum conform to the following specifications:

Impedance: 600 ohms

Frequency response: 100Hz to 10Khz

70V Input Impedance: 200K ohms

Output level: 400mV rms

Input Power Requirement: 12-24Vdc (from power supply)

Access requirement: Electronic (analog) or IA2 line key (line card required) PABX loop or ground-start trunk port, or dedicated single-line phone.

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Equipment shall be installed as indicated and specified, and in accordance with the manufacturer's recommendations except where otherwise indicated. Equipment mounted out-of-doors or subject to inclement conditions shall be weatherproofed. The antenna shall be supported at least 60 inch clear above the roof by means of self-supported or guyed mast.

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Attachment 1

3.1.1.1 Equipment Racks

a. Racks shall be mounted side-by-side and bolted together. Items of the same function shall be grouped together, either vertically or side-by-side. Controls shall be symmetrically arranged at a height as shown. Audio input and interconnections shall be made with approved shielded cable and plug connectors; output connections may be screw terminal type. All connections to power supplies shall utilize standard male plug and female receptacle connectors with the female receptacle being the source side of the connection. Inputs, outputs, interconnections, test points, and relays shall be accessible at the rear of the equipment rack for maintenance and testing. Each item shall be removable from the rack without disturbing other items or connections. Empty space in equipment racks shall be covered by blank panels so that the entire front of the rack is occupied by panels.

3.1.2 Wiring

3.1.2.1 Wiring shall be installed in rigid steel conduit, intermediate metal conduit, cable trays, or electric metallic tubing as specified in Section 26 20 00 Interior Distribution System. Wiring for microphone, grounding, line level, speaker and power cables shall be isolated from each other by physical isolation and metallic shielding. Shielding shall be terminated at only one end.

3.2 GROUNDING

3.2.1 All grounding practices shall comply with NFPA 70. The antenna mast shall be separately grounded. Equipment shall be grounded to the serving panelboard ground bus through a green grounding conductor. Metallic conduits serving the equipment shall be isolated on the equipment end with an insulating bushing to prevent noise from being transferred to the circuit. Equipment racks shall be grounded to the panelboard ground bus utilizing a #8 conductor. Grounding conductor shall be terminated to the rack using connector suitable for that purpose.

3.3 ACCEPTANCE TESTS

3.3.1 After installation has been completed, the Contractor shall conduct acceptance tests, utilizing the approved test procedures, to demonstrate that equipment operates in accordance with specification requirements. The Contractor shall notify the Contracting Officer 14 days prior to the performance of tests. In no case shall notice be given until after the Contractor has received written Contracting Officer approval of the test plans as specified. The acceptance tests shall include originating and receiving messages at specified stations, at proper volume levels, without cross talk or noise from other links or nondesignated units.

3.4 TRAINING

3.4.1 The Contractor shall conduct a training course for 4 members of the operating and maintenance staff as designated by the Contracting Officer. The training course will be given at the installation during normal working hours for a total of 8 hours and shall start after the system is functionally complete but prior to final acceptance tests. The field instructions shall cover all of the items contained in the approved operating and maintenance manuals, as well as demonstrations of routine maintenance operations. The Contracting Officer shall be notified at least 14 days prior to the start of the training course.

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Attachment 1

END OF SECTION 27 51 16

27 51 16-13

Attachment 1

SECTION 27 51 18

PUBLIC ADDRESS SYSTEMS

(SCHRIEVER AIR FORCE BASE)

GENERAL

1.1 REFERENCES

1.1.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. Unless other wise noted, the latest published version and/or revision shall be used.

1.1.1.1 ELECTRONIC INDUSTRIES ASSOCIATION (EIA)

a. EIA ANSI/EIA-310-D Cabinets, Racks, Panels, and Associated Equipment

1.1.1.2 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

a. IEEE C62.41 Surge Voltages in Low-Voltage AC Power Circuits

1.1.1.3 NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

a. NFPA 70 National Electrical Code

1.1.1.4 UNDERWRITERS LABORATORY (UL)

a. UL 1449 Transient Voltage Surge Suppressors

1.2 SYSTEM DESCRIPTION

1.2.1 The public address system shall consist of an audio distribution network to include amplifiers, mixers, microphones, speakers, cabling, and ancillary components required to meet the required system configuration and operation.

1.2.2 Multi-Channel System with Paging

1.2.2.1 The system shall include microphones, microphone outlet receptacles, microphone inputs with preamplifiers, inputs for audio sound, single and all channel paging, control for each input, power amplifying equipment, and accessories required to output the public address and paging audio signals through selected portions of the audio distribution network as indicated.

1.2.3 Single-Channel System

1.2.3.1 The system shall control and amplify an audio program for distribution within the areas indicated. Components of the system shall include a power amplifier, microphone, speaker system, cabling and other associated hardware as indicated.

1.2.4 System Performance

1.2.4.1 The system shall provide even sound distribution throughout the designated area, plus or minus 3 dB for the 1/1 octave band centered at 4000 Hz. The system shall provide uniform frequency response throughout the designated area, plus or minus 3 dB as measured with 1/3-octave bands of pink noise at locations across the designated area selected by the Contracting Officer. The

27 51 18-1

SABER Specifications

FA2517-13-R-5000

Attachment 1 system shall be capable of delivering 75 dB average program level with additional 10 dB peaking margin sound pressure level (SPL) in the area at an acoustic distortion level below 5 percent total harmonic distortion (THD). Unless otherwise specified the sound pressure reference level is 20 micro Pascal (0.00002 Newtons per square meter).

1.3 SUBMITTALS

1.3.1 Government approval may be required on any of the following items. Items requiring submittals will be listed on the Submittal Register. Provide copies of all submittals per the requirements in Section 01 33 00, Submittal Procedures, or as listed on the Submittal Register.

1.3.1.1 Shop Drawings

a. Public Address System

(1) Detail drawings consisting of a complete list of equipment and material, including manufacturer's descriptive and technical literature, performance charts and curves, catalog cuts, and installation instructions. Note that the contract drawings show layouts based on typical speakers. The Contractor shall check the layout based on the actual speakers to be installed and make necessary revisions in the detail drawings. Detail drawings shall also contain complete point to point wiring, schematic diagrams and other details required to demonstrate that the system has been coordinated and will properly function as a unit. Drawings shall show proposed layout of equipment and appurtenances, and equipment relationship to other parts of the work including clearances for maintenance and operation.

1.3.1.2 Product Data

a. Spare Parts

(1) Spare parts data for each different item of material and equipment specified, including a complete list of parts and supplies, with current unit prices and source of supply.

b. Test Reports

(1) Approved Test Procedures

(a) Test plan and test procedures for the acceptance tests. The test plan and test procedures shall explain in detail, step-by-step actions and expected results to demonstrate compliance with the requirements specified. The procedure shall also explain methods for simulating the necessary conditions of operation to demonstrate system performance.

c. Acceptance Tests

(1) Test reports in booklet form showing all field tests performed to adjust each component and to prove compliance with the specified performance criteria, upon completion and testing of the installed system. The reports shall include the manufacturer, model number, and serial number of test equipment used in each test. Each report shall indicate the final position of controls and operating mode of the system.

d. Certificates

(1) Copies of current approvals or listings issued by UL, or other nationally recognized testing laboratory for all components.

e. Operation and Maintenance Data

27 51 18-2

SABER Specifications

FA2517-13-R-5000

Attachment 1

(1) Submit data package in accordance with Section Division 1 Specifications, OPERATION

AND MAINTENANCE DATA

1.4 DELIVERY AND STORAGE

1.4.1 Equipment placed in storage until installation shall be stored with protection from the weather, humidity and temperature variations, dirt and dust, and other contaminants.

1.5 VERIFICATION OF DIMENSIONS

1.5.1 The Contractor shall become familiar with the details of the work and working conditions, shall verify dimensions in the field, and shall advise the Contracting Officer of any discrepancies before performing the work.

PART 2 PRODUCTS

2.1 STANDARD PRODUCTS

2.1.1 Material and equipment to be provided shall be the standard products of a manufacturer regularly engaged in the manufacture of such products, and shall essentially duplicate material and equipment that have been in satisfactory use at least 2 years. All components used in the system shall be commercial designs that comply with the requirements specified. Equipment shall be supported by a service organization that is within 100 miles of the site.

2.1.2 Identical Items

2.1.2.1 Items of the same classification shall be identical. This requirement includes equipment, modules, assemblies, parts, and components.

2.1.3 Nameplates

2.1.3.1 Each major component of equipment shall have the manufacturer's name, address, model and catalog number, and serial number on a plate secured to the equipment.

2.2 MIXER-PREAMPLIFIER

2.2.1 Mixer-preamplifier shall as a minimum conform to the following specifications:

Rated Output: 18 dB

Frequency Response: Plus or Minus 1 dB, 20 - 20,000 Hz

Distortion: Less than 0.5 percent, 20 - 20,000 Hz

Signal to noise: Microphone - 60 dB Aux - 70 dB

Inputs: 5 independent balanced low- impedance transformer-isolated

27 51 18-3

SABER Specifications

FA2517-13-R-5000

Attachment 1

Input Sensitivity: Microphone - 0.003 volts Aux - 0.125 volts Magnetic Cartridge - 0.0005 volts

Input Channel Isolation: 80 dB minimum

Tone Controls: Plus or Minus 10 dB range at 50 and 15,000 Hz

Power Requirement: 110-125 Vac 60 Hz

2.3 POWER AMPLIFIERS

2.3.1 Power amplifiers as a minimum conform to the following specifications:

Rated power output: minimum 125 watts RMS

Frequency Response: Plus or Minus 3 dB, 20-20,000 Hz

Distortion: Less than 2 percent at RPO, 600-13,000 Hz

Input Impedance: 50 k ohm unbalanced

Output Impedance: Balanced 4 and 8 ohms

Output voltage: 25 and 70.7 volts

Power Requirement: 110-125 Vac 60 Hz

2.4 MIXER AMPLIFIER

2.4.1 Mixer amplifier shall as a minimum conform to the following specifications:

Rated Power Output (RPO): minimum 60 watts RMS

Frequency Response: Plus or Minus 3 dB, 20-20,000 Hz

Distortion: Less than 1% at RPO, 60 - 13,000 Hz

Inputs: 2 microphones (high impedance or low-impedance unbalanced 2 Aux. (high-impedance)

Output Impedance: Balanced 4 and 8 ohms

Output Voltage: 25 and 70.7 volts

Power Requirement: 110-125 Vac 60 Hz

27 51 18-4

SABER Specifications

FA2517-13-R-5000

Attachment 1

2.5 MICROPHONE INPUT MODULES

2.5.1 Microphone input modules shall as a minimum conform to the following specifications:

Rated Outputs: 0.25 volts into 10,000 ohms

1.0 volts into 10,000 ohms

Frequency Response: Plus or Minus 2 dB, 20 - 20,000 Hz

Distortion: Less than 0.5 percent 20 - 20,000 Hz

Inputs: 4 transformer - coupled balanced 150 ohm

Input Sensitivity: 0.003 volts

Input Channel Isolation: 70 dB minimum

2.6 MICROPHONES

2.6.1 Desk Microphone

2.6.1.1 Microphones shall as a minimum conform to the following specifications:

Element: Dynamic

Pattern: Cardioid

Frequency Response: 50 - 12,000 Hz

Impedance: Low impedance mic (150-400 ohms)

Front-to-back Ratio: 20 dB

Selector switches: Selector switches for zone shall be be integral microphone or Separate console adjacent to microphone

2.6.2 Gooseneck Microphone

2.6.2.1 Gooseneck microphone shall meet the minimum requirements of the desk microphone.

Microphone shall have push to talk button. Gooseneck tube length shall be 12 inch.

2.6.3 Microphone Jack

2.6.3.1 Each outlet for microphones shall consist of a standard outlet box, flush-mounted, and fitted with a three-pole, polarized, locking-type, female microphone jack and a corrosion resistant-steel device plate.

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SABER Specifications

FA2517-13-R-5000

Attachment 1

2.7 LOUDSPEAKERS

2.7.1 Cone Speaker

2.7.1.1 The cone speaker shall as a minimum conform to the following specifications:

Application: Ceiling

Frequency range: 60 to 12,000 Hz

Power Rating: Normal - 7 watts Peak - 10 watts

Voice Coil Impedance: 8 ohms

Line Matching Transformer Type: 25/ 70.7 volt line

Capacity: 4 watts

Magnet: 10 ounces or greater

Primary Taps: 0.5, 1, 2 and 4 watts

Primary Impedance: 25 volts - 1250, 625, and 312 ohms

70.7 volts - 10k, 5k, and 2.5k ohms

Frequency Response: 30 - 20,000 Hz

Insertion Loss: Less than 1 dB

2.7.2 Horn Speaker

2.7.2.1 The horn speaker shall as a minimum conform to the following specifications:

Application: Indoor, Outdoor (Weatherproof) as applicable

Frequency Response: 400 - 14,000 Hz

Power Taps: 70 volt line - .9, 1.8, 3.8, 7.5, and 15 watts

Impedance: 5000, 2500, 1300, 670, 330, 90, and 45 ohms

Power Rating: Normal - 7 watts Peak - 15 watts

Dispersion: 110 degrees

2.7.3 Dual Horn Speaker

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SABER Specifications

FA2517-13-R-5000

Attachment 1

2.7.3.1 The dual horn speaker shall meet the minimum requirements of horn speaker except the dispersion shall be 100 degrees.

2.7.4 High Output Speaker Enclosures

2.7.4.1 High Output speaker enclosures shall be of the tuned-port design for precise balancing and tuning of the speaker. The enclosures shall be constructed throughout of 3/4 inch high density board, with screwed and glued joints, durably braced, and padded with fiberglass where acoustically required. Speaker enclosures shall have a 45 degree vertical dispersion and 120 degrees horizontal dispersion. The effective length of throw shall be a minimum of 100 feet.

2.7.5 Ceiling Speaker Enclosures

2.7.5.1 Ceiling speaker enclosure shall be constructed of heavy gauge cold steel with interior undercoating and 1 1/2 inch thick high density fiberglass 1-1/2 lbs per cu. ft. The unit shall be round and designed for recessed installations which will be accomplished via standard screw, torsion spring, or flange mount mounting. Speaker face shall have a rust-preventive, finished in textured white. Enclosure shall include four triple compound conduit knockouts.

2.8 SPEAKER SWITCHING PANEL

2.8.1 Selector Switches

2.8.1.1 Zone control shall be provided for the paging function. The speaker switching panel shall contain selector switches built in microphone to activate priority relays. Selector switches labeling shall be provided to identify the zones.

2.8.2 System Power Supply

2.8.2.1 Power supply shall be provided for priority relays and controls, rack-mounted and sized for a capacity equal to 200 percent of the as-built control system, and shall operate at 24 Vdc. Input and output shall be protected to permit Class 2 wiring in accordance with NFPA 70.

2.9 COMPACT DISC PLAYER

2.9.1 When specified, player shall have three beam laser pickup, dual Digital-to-Analog converters, random access and random mode programmable playback. Player shall as a minimum conform to the following:

Frequency: 10 - 20,000 Hz Plus or Minus 1 dB

Signal-to-Noise: Minimum of 100 dB

Dynamic Range: Minimum of 96 dB

Total Harmonic Distortion: Maximum of 0.005% at 1 KHZ

Channel Separation: Minimum 100 dB at 1 KHZ

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FA2517-13-R-5000

Attachment 1

Quantization: Minimum of 18 Bits Linear per channel

Conversion Rate: Minimum 8 x Oversampling

Disc Size: 5 inch

Power Requirement: 110-125 Vac, 60Hz

2.10 PRIORITY RELAYS AND CONTROLS

2.10.1 Priority relays and controls required to accomplish operations specified shall be provided. Relays shall be completely enclosed with a plastic dust cover for maximum protection against foreign matter, and shall be plug-in type. Relays shall be provided with a diode wired across the relay coil for transient suppression and shall be installed utilizing factory-prewired, rack-mounted receptacle strips. Coil shall be maximum 24 volts dc.

2.11 SWITCHES AND CONTROLS

2.11.1 Remote Loudspeaker Volume Controls

2.11.1.1 Remote volume controls shall be an auto transformer type with detented 3 dB steps and an OFF position. The controls shall be speaker mounted rotary knobs. Insertion loss of the controls shall not exceed 0.6 dB and the power-handling capacities of the control shall be minimum of 10 watts. Low-voltage priority override relays shall be furnished as part of these controls with all wiring to the racks to allow override of the volume controls for priority announcements.

2.12 EQUIPMENT RACKS

2.12.1 Equipment shall be mounted on 19 inch racks in accordance with EIA ANSI/EIA-310-D and located as shown on drawings. Ventilated rear panels, solid side panels, and solid top panels shall be provided. Equipment racks shall be provided with lockable front panels that limit access to equipment. The lockable front shall not cover items that require operator access such as CD player. Rack cooling shall be through perforations or louvers in front panels to ensure adequate ventilation of equipment or top rack mounted fan where required. The racks and panels shall be factory finished with a uniform baked enamel over rust inhibiting primer.

2.13 CABLES

2.13.1 Speaker Cable

2.13.1.1 Cables shall be of the gauge required depending upon the cable run length. In no case shall cable be used which is smaller than 18 AWG. Insulation on the conductors shall be polyvinyl chloride (PVC) or an equivalent synthetic thermoplastic not less than 0.009 inch. Cables shall be jacketed with a PVC or Fluoropolymer compound. The jacket thickness shall be 0.02 inch minimum.

2.13.2 Microphone Cable

2.13.2.1 Cable conductor shall be stranded copper 20 AWG. Insulation on the conductors shall be

27 51 18-8

SABER Specifications

FA2517-13-R-5000

Attachment 1 polyvinyl chloride (PVC) or an equivalent synthetic thermoplastic not less than 0.009 inch.

Cable shall be shielded 100% of aluminum polyester foil with a bare 22 gauge stranded soft copper drain conductor. Cables shall be jacketed with a PVC or Fluoropolymer compound.

The jacket thickness shall be 0.02 inch minimum.

2.13.3 Antenna Cable

2.13.3.1 Antenna coaxial cable shall have 75 ohm plus or minus 2 ohm. Attenuation of the coaxial cable span between the antenna and amplifier shall not exceed 2.5 dB at 108 MHz.

2.14 TERMINALS

2.14.1 Terminals shall be solderless, tool-crimped pressure.

2.15 SURGE PROTECTION

2.15.1 Power Line Surge Protection

2.15.1.1 Major components of the system such as power amplifiers, mixer-preamplifiers, and tuners, shall have a device, whether internal or external, which provides protection against voltage spikes and current surges originating from commercial power sources per IEEE C62.41 B3 combination waveform and NFPA 70. Fuses shall not be used for surge protection. The surge protector shall be rated for a maximum let thru voltage of 350 Volts ac (line-to-neutral) and 350 Volt ac (neutral-to-ground). Surge protection device shall be UL listed and labeled as having been tested in accordance with UL 1449.

2.16 SIGNAL SURGE PROTECTION

2.16.1 Major components of the system shall have internal protection circuits which protects the component from mismatched loads, direct current, and shorted output lines. Communication cables/conductors shall have surge protection installed at each point where it exits or enters a building.

2.17 NETWORK/TELEPHONE INTERFACE MODULE

2.17.1 Network/telephone Interface module shall provide one way all call paging access from network/telephone to PA system. Paging shall be accomplished by the building network/telephone system instruments interconnected to the PA system via an interface module connection to the paging amplifier. Interface module shall produce an alert tone in the associated speakers on activation. Telephone interface module shall as a minimum conform to the following specifications:

Impedance: 600 ohms Frequency response: 100Hz to 10Khz 70V Input Impedance: 200K ohms Output level: 400mV rms Input Power Requirement: 12-24Vdc (from power supply) Access requirement: Coordinate with CO/COR.

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SABER Specifications

FA2517-13-R-5000

Attachment 1

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Equipment shall be installed as indicated and specified, and in accordance with the manufacturer's recommendations except where otherwise indicated. Equipment mounted out-of-doors or subject to inclement conditions shall be weatherproofed. The antenna, where applicable, shall be supported at least 60 inch clear above the roof by means of self-supported or guyed mast.

3.1.2 Equipment Racks

3.1.2.1 Racks shall be mounted side-by-side and bolted together. Items of the same function shall be grouped together, either vertically or side-by-side. Controls shall be symmetrically arranged at a height as shown. Audio input and interconnections shall be made with approved shielded cable and plug connectors; output connections may be screw terminal type. All connections to power supplies shall utilize standard male plug and female receptacle connectors with the female receptacle being the source side of the connection. Inputs, outputs, interconnections, test points, and relays shall be accessible at the rear of the equipment rack for maintenance and testing. Each item shall be removable from the rack without disturbing other items or connections. Empty space in equipment racks shall be covered by blank panels so that the entire front of the rack is occupied by panels.

3.1.3 Wiring

3.1.3.1 Wiring shall be installed in rigid steel conduit, intermediate metal conduit, cable trays, or electric metallic tubing as specified in Division 26 Specifications. Wiring for microphone, grounding, line level, speaker and power cables shall be isolated from each other by physical isolation and metallic shielding. Shielding shall be terminated at only one end.

3.2 GROUNDING

3.2.1 All grounding practices shall comply with NFPA 70. The antenna, where applicable, mast shall be separately grounded. Equipment shall be grounded to the serving panelboard ground bus through a green grounding conductor. Metallic conduits serving the equipment shall be isolated on the equipment end with an insulating bushing to prevent noise from being transferred to the circuit. Equipment racks shall be grounded to the panelboard ground bus utilizing a #8 conductor. Grounding conductor shall be terminated to the rack using connector suitable for that purpose.

3.3 ACCEPTANCE TESTS

3.3.1 After installation has been completed, the Contractor shall conduct acceptance tests, utilizing the approved test procedures, to demonstrate that equipment operates in accordance with specification requirements. The Contractor shall notify the Contracting Officer 10 days prior to the performance of tests. In no case shall notice be given until after the Contractor has received written Contracting Officer approval of the test plans as specified. The acceptance tests shall include originating and receiving messages at specified stations, at proper volume levels, without cross talk or noise from other links or nondesignated units.

END OF SECTION 27 51 18

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SABER Specifications

FA2517-13-R-5000

Attachment 1

SECTION 28 05 26.00 40

GROUNDING AND BONDING FOR ELECTRONIC SAFETY AND SECURITY

PART 1 GENERAL

1.1 REFERENCES

1.1.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. Unless other wise noted, the latest published version and/or revision shall be used.

1.1.1.1 AMERICAN WELDING SOCIETY (AWS)

a. AWS A5.8 Specification for Filler Metals for Brazing and Braze Welding

1.1.1.2 ASTM INTERNATIONAL (ASTM)

a. ASTM B 3 Standard Specification for Soft or Annealed Copper Wire

1.1.1.3 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

a. IEEE Std 81 Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System (Part 1)Normal Measurements

1.1.1.4 NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

a. NFPA 70 National Electrical Code

1.1.1.5 U.S. DEPARTMENT OF DEFENSE (DOD)

a. MIL-STD-889 (Rev B, Notice 3) Dissimilar Metals

1.1.1.6 UNDERWRITERS LABORATORIES (UL)

a. UL 467 Standard for Grounding and Bonding Equipment

1.2 GENERAL REQUIREMENTS

1.2.1 Section 26 00 00.00 20 Basic Electrical Materials and Methods applies to work specified in this section.

1.3 SUBMITTALS

1.3.1 Government approval may be required on any of the following items. Items requiring submittals will be listed on the Submittal Register. Provide copies of all submittals per the requirements in Section 01 33 00, Submittal Procedures, or as listed on the Submittal Register.

1.3.1.1 SD-01 Preconstruction Submittals

a. Material, equipment, and fixture lists shall be submitted for Grounding Systems including

28 05 26.00 40-1

Attachment 1 manufacturer's style or catalog numbers, specification and drawing reference numbers, warranty information, and fabrication site information.

1.3.1.2 SD-02 Shop Drawings

a. Record Drawings shall be submitted in accordance with paragraph entitled, "Drawings," of this section.

1.3.1.3 SD-03 Product Data

1.3.1.4 Equipment and performance data shall be submitted for the following items including life, test, system functional flows, safety features, and mechanical automated details.

a. Manufacturer's catalog data shall also be submitted for the following items:

(1) Ground Rods

(2) Ground Wires

(3) Connectors and Fasteners

(4) Bonding

1.3.1.5 SD-06 Test Reports

a. Test Reports shall be submitted for the following tests on grounding systems in accordance with the paragraph entitled, "Field Tests," of this section. Report shall include certified record of ground-resistance tests on each driven ground rod, ground rod assembly, and other grounding electrodes. Record shall include the number of rods driven and their depth at each location to meet the required resistance-to-ground measurements specified. A statement shall be included describing the condition of the soil at the time of measurement.

(1) Bond Resistance Test

(2) Ground Resistance Tests

(3) Ground Isolation Test

(4) Continuity Isolation Test

1.3.1.6 SD-08 Manufacturer's Instructions

a. Manufacturer's instructions shall be submitted for the Grounding Systems including special provisions required to install equipment components and system packages. Special notices shall detail impedances, hazards and safety precautions.

1.4 DRAWINGS

1.4.1 Record Drawings shall indicate the location of ground rods, mats, grids, building ground bus, supplementary grounding electrodes, steel building columns, and other metal structures connected to the grounding system.

1.4.2 Location of each ground rod and ground-rod assembly and other grounding electrodes shall be identified by letter in alphabetical order and keyed to the record of ground-resistance tests.

28 05 26.00 40-2

Attachment 1

PART 2 PRODUCTS

2.1 GROUND RODS

2.1.1 Ground rods shall be copper-clad steel rods not less than 3/4 inch in diameter and not less than 10-feet long per section. Ground rods shall be clean and smooth and have a cone-shaped point on the first section and shall be die-stamped near the top with the name or trademark of the manufacturer and the length of the rod in feet.

2.2 GROUND WIRES

2.2.1 Ground and bond wires for substations, main panels and distribution points, and ground rod connections shall be annealed bare copper conforming to ASTM B 3, stranded, with 98 percent conductivity. Wire size shall be in accordance with the grounding requirements of NFPA 70.

2.2.2 Ground wires for equipment receptacles for noncurrent carrying hardware, installed in conduit shall be soft drawn copper, in accordance with ASTM B 3, stranded, with green insulation. Wire size shall be as noted.

2.3 CONNECTORS AND FASTENERS

2.3.1 Grounding and bonding fasteners and connectors shall conform to the requirements of UL 467.

2.3.2 Grounding and bonding fasteners shall be copper or bronze as applicable.

2.3.3 Bonding straps and jumpers shall be copper and shall have a cross-sectional area of not less than No. 6 AWG. Bonding straps and jumpers for shock-mounted devices with joints shall be made of woven-wire braid flexible stranded wire.

PART 3 EXECUTION

3.1 BONDING AND GROUNDING

3.1.1 Bonding and grounding requirements shall be in accordance with NFPA 70.

3.2 GROUNDING ELECTRODES

3.2.1 Grounding electrodes shall include ground rods installed expressly for grounding systems.

3.2.2 Minimum ground rod section shall be 10 feet. Sections shall be threaded together and exothermically fusion welded.

3.2.3 Ground rods shall be installed so that the top of the rod is not less than 6 inches below finished grade or flush with grade when installed in an inspection well.

3.3 GROUND GRIDS

3.3.1 Ground grids shall consist of a series of ground rods installed with interconnecting grounding

28 05 26.00 40-3

Attachment 1 conductors between ground rods. Ground rods shall be spaced as noted.

3.3.2 Ground grid shall be buried not less than 18 inches below the finish grade. Grounding conductors shall be not less than No. 4/0 AWG and shall be exothermically fusion welded together at crossover points and to ground rods.

3.4 BUILDING GROUNDS

3.4.1 Steel framework of the building shall be grounded with a driven ground rod at the base of every corner column and intermediate exterior columns at distances not greater than 60-feet apart.

Grounding conductor shall be electrically connected to each ground rod and to each steel column and shall extend around the perimeter of the building.