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13780 TELEVISION/RADIO FREQUENCY DISTRIBUTION SYSTEMS SPECIFIER: CSI MasterFormat 2004 number 27 41 35 PART 1 GENERAL 1.1 SUMMARY A. Section Includes: 1. Installations of a complete, operational, television/radio frequency distribution system at all new facilities. 2. Expansion of existing television/distribution system for new additions, remodeling and renovations projects. SPECIFIER: Sketches for the Television/Radio Frequency Distributions System, also known as the Instructional Television System (ITV), as referenced in this document, are found in the Appendix section of the M-DCPS Design Criteria. SPECIFIER shall incorporate into the project Drawings any information contained in these sketches that are applicable to the scope of the project. 3. Refer to M-DCPS Design Criteria Appendix section, for wiring requirements on the Television/Radio Frequency Distribution System, also known as the Instructional Television (ITV) System). B. Related Sections: 1. 03300 - Cast-In-Place Concrete. 2. 16112 - Raceways and Conduits. 3. 16120 - Wires and Cables. 4. 16131 - Outlet, Pull, and Junction Boxes. 5. 16450 - Grounding 6. 16670 - Lightning Protection System 1.2 SYSTEM DESCRIPTION A. Provide a television distribution system with Radio Frequency (RF) levels at all locations for channels specified, meeting the minimum requirements outlined in this document. Project No. SPECIFICATION GUIDELINES 13780-1

SPECIFIER: Edit the following item to comply with the specific requirements for this project. B. Provide a [self-supported galvanized steel tapered monopole mast] [parapetmounted galvanized steel pipe mast], complete with antenna and all necessary appurtenances noted herein and indicated on the Drawings. 1.3 SUBMITTALS A. Submit shop drawings to A/E demonstrating compliance with all requirements of this document. B. Submit calculations and mounting details, signed and sealed by a Florida registered structural engineer, demonstrating that the steel mast assembly, including the antenna and all appurtenances mounted to same, meet the applicable wind load requirements of FBC and American Society of Civil Engineers (ASCE) 7. C. Submit signed and sealed drawings indicating that the grounding and lightning protection system comply with applicable Codes. D. At project completion provide the following: 1. Five (5) copies of Operation and Maintenance manuals complete with list of replacement parts. 2. As-built drawings of ITV system. Drawing shall show locations of all components and conduit identification. 1.4 QUALITY ASSURANCE A. Notification: Notify the A/E before the start and at completion of the work. B. Equipment shall be listed an OSHA approved Nationally Recognized Testing Laboratory (NRTL), and bear the appropriate label according to referenced standards. PART 2 PRODUCTS 2.1 MANUFACTURERS A. Educational Broadcast System (EBS) Components: 1. Parabolic Antenna: Model No. P-25A48GN-4 by Gabriel Antenna Products or other A/E approved equal. 2. Heliax Cable: 1/2" super flex FSJ4-50B by Andrew Corporation or other A/E approved equal 3. Heliax Connectors: Model F4PNMV2-H by Andrew Corporation or other A/E approved equal. 4. Surge Protectors: a. PE-7301-1, 3-GHz by Pasternack Enterprises. b. 212FF75F225-31, 1-GHz by Toner Cable Equipment. c. Or other A/E approved equal. Project No. SPECIFICATION GUIDELINES 13780-2

5. Downconverter Educational Broadcast Services (EBS): Model No. HLN3 by Conifer No Substitution allowed. 6. Enclosure: (REQUIRED ONLY IF A METAL MONOPOLE STRUCTURE IS REQUIRED): Model 36248RE W/Back plate by Graybar. No Substitution allowed. B. TV Amplifiers: Broadband Amplifiers: Blonder Tongue Laboratories, Bida 86A-43 #5800 84 49-860Mhz. No substitution allowed. C. Splitter/Directional Coupler: Model TSV Vertical Series 1 GHz 130dB EMI CATV by Toner Cable Co, or other A/E approved equal. D. TV Outlets: Wall taps with 1 output. Model No.WP-81-I by Toner Cable Equipment Co, or other A/E approved equal. E. Coaxial Cable TV Signal Distribution: 1. Drop line: Type RG6/U, Model No. 9116 by Belden Division or other A/E approved equal. 2. Video Coaxial: Type RG6/U Low Loss Serial Digital Coax, Model 1694A by Belden Division or other A/E approved equal 3. Main and Sub-Trunk Lines for above ground use only: Type RG11/U, Model No. 1523A by Belden Division or other A/E approved equal. 4. Main and Sub-Trunk for underground lines: a. RG11 Duobond Plus 1525A by Belden Division or other A/E accepted equivalent. b. 75-Ohm coaxial cable Model No. PIII -700 JCASS by CommScope or other A/E approved equal. SPECIFIER: Select one of the following antenna support structures based on the specific Lineof-Sight Signal Strength Report developed for the project. SPECIFIER shall obtain Line-of-Sight Strength Report in compliance with M-DCPS Design Criteria. F. Antenna Support Structure: [Mast Pole - Parapet-mounted - Round 3" dia. galvanized steel pipe. Installation shall comply with Plans and all applicable requirements noted in this document.] or [Self-Supported Steel Monopole: Tapered, round galvanized steel pole. Design No. RA500-B11 Rev: R4, by Union metal Co. or other A/E approved equal. Installation shall comply with Plans and all applicable requirements noted in this document.] G. Metal Enclosure (Provided at base of structure, only when a metal monopole antenna structure is specified): Nema 3R 36 x 24 X 8 # 36248RE w/backplate # 3624P by Graybar or other A/E approved equal. H. Vertical Racks: Gangable configuration series MRK-4026, UL Listed, 76.125 H x 22 W x 26.4 D with lockable back door and one side panel SPN-40-267, fully steel welded construction, finished in a durable black powder coat, by Middle Atlantic Co or other A/E approved equal. Project No. SPECIFICATION GUIDELINES 13780-3

I. Electric Strip: Vertical electric strip with 16 outlets 115VAC, 20 Amp, by Middle Atlantic Co or other A/E approved equal. 2.2 SYSTEM DISTRIBUTION PARAMETERS A. Signal Level: 1. Minimum available at the output of any receptacle using specific normally viewed open circuit television channels, and all closed circuit channels: +3 dbmv. 2. Maximum available at the output of any receptacle, using specific normally viewed open circuit television channels and all closed circuit channels: +10 dbmv. a. Level Difference Between Adjacent Channels: 1.5 db. b. Level Difference Between All Channels: 3 db 3. Operate all distribution amplifiers at maximum rated output of 43 dbmv. B. Bandwidth of the System: 84 MHz, include Clean 64/256 QAM ITU j.83 Annex B and CATV channels from 49 MHZ to 860 MHZ, flat within + 0.5 db across any 6 MHZ portion of the system. C. CCTV/ITV channels to be used include: ITV RF CHANNELS VIRTUAL CHANNELS SOURCE 1. Channel 40-40.1 HD TV Studio. 2. Channel 41-41.1 HD Blu-ray player. 3. Channel 42-42.1 HD Blu-ray player. 4. Channel 43-43.1 HD Video PIX player. 5. Channel 44-44.1 SD Comcast-1. 6. Channel 45-45.1 SD Comcast-2. 7. Channel 46-46.1 SD Comcast-3. 8. Channel 47-47.1 SD Spare 9. Channel 48 48.1 HD Info Channel 10. Channel 49-49.1 HD Spare 11. Channel 50-50.1 HD Cafetorium (Elem, Middle, K-8) Only. 12. Channel 51-51.1 HD Language Art Little Theater (Elem, Middle, K-8) only. D. Provide twelve (12) EBS wireless Standard television signals (horizontal polarity) from 800 feet AGL. TX Power: 17.00 dbw, Total ERPi: 28.50 dbw. Location: N25 58 47. 00 W80 11 45.00 available from the main transmitter site located at 3300 SW 52 ND Ave Pembroke Park, FL 33023. ITV RF CHANNEL GROUP NUMBER VIRTUAL CHANNELS 1. Channel 36 A4 36.1 SD 2. Channel 36 A4 36.2 SD 3. Channel 36 A4 36.3 SD 4. Channel 36 A4 36.4 SD 5. Channel 36 A4 36.5 SD 6. Channel 36 A4 36.6 SD Project No. SPECIFICATION GUIDELINES 13780-4

7. Channel 39 D4 39.1 SD 8. Channel 39 D4 39.2 SD 9. Channel 39 D4 39.3 SD 10. Channel 39 D4 39.4 SD 11. Channel 39 D4 39.5 SD 12. Channel 39 D4 39.6 SD E. Educational Broadcast System (EBS) Conversion: 1. Provide a weatherproof microwave-down-converter, I.F. frequency 294-336 MHZ. 2. Cable from dish to down converter shall be low loss, 1/2 inch Heliax Super flex model FSJ4-50B, complete with factory installed connectors F4PNMV2-H. 2.3 SYSTEM EQUIPMENT A. CCTV Head End Distribution. 1. Comply with M-DCPS TV/Radio Frequency System Distribution Raceways and wiring requirements through entire facility. Installation shall go from the EBS antenna receiver through the main distribution amplifier, then to all coaxial TV drops. See M- DCPS Design Criteria Appendix for additional details and requirements. B. RF Amplifiers: 1. Broadband amplifiers to feed the school system. Comply with the following: a. Bandwidth: 49 to 860 MHZ. b. Frequency Response: + 0.5 db c. Max Gain: 50 db d. Max Input Level: 10dBmv e. Output Level: 43 dbmv. f. Distortions: 1) Cross Mod.: 62 db 2) Comp. Tr. Bt.: 62 db 3) Sec Order: 72 db g. Gain Range: 6 db h. Slope Range: 6 db i. Return Loss: 1) Input: 16 db 2) Output: 16 db j. Test Points: -30 + 1 db k. Noise Figure: 7.5 db l. Current DC: 0.55 amps. m. Powering: 23 watts. C. EBS Downconverter: Provide state of the art reception of 2572 MHZ television signals and down-convert to I.F. Frequency from 294 to 336 MHZ, channels 36 and 39. Project No. SPECIFICATION GUIDELINES 13780-5

1. Input Bandwidth: to 2572-2614 MHZ. 2. Output Bandwidth: 294to 336 MHZ. 3. Response Flatness: 0.25 db/ch, 2.5 db/band. 4. Input Impedance: 50 ohms. 5. Output Impedance: 75 ohms. 6. Frequency Stability: + 25 KHz. 7. Gain: 32 db 8. Maximum Noise: 3.5 db D. Educational Broadcast System (EBS) Antenna: 1. Parabolic Antenna: Single grid dish type capable of receiving 2572 MHZ television signals. a. Aperture: 4 feet. b. Gain: 28.0 db + 2 db at 2670 MHZ. c. Vertical Beam width: 7 degrees or less. d. Horizontal Beam width: 7 degrees or less. E. Splitter and Directional Couplers: 2-Way 4-Way 8-Way 1. Bandwidth 5-1000Mhz 5-1000Mhz 5-1000Mhz 2. Thru loss 4.2dB max 7.2dB max 11.9dB max 3. Isolation 25dB min 27dB mi 20dB min 4. Return Lost 18dB min 18dB mi 16dB min 5. Radiation Shielding -80 db -80 db -80dB F. Tapoffs: Multi-tap directional couplers. 1. Two Output Taps: Isolation (db) Thru loss +/-0.2dB 8 3.7 11 2.2 14 1.3 17 1.2 20 1.1 23 0.9 26 0.9 29 0.9 2. Four Output Taps: Isolation (db) Thru loss +/- 0.2 db 11 4.0 14 2.2 17 1.3 20 1.2 Project No. SPECIFICATION GUIDELINES 13780-6

23 1.1 26 0.9 29 0.9 3. Common Spec 1000 MHZ: a. Isolation db: 1) Tap-to-Tap: -21. 2) Out-to-Tap: -21. b. Return Loss db: 1) In: -15. 2) Out: -15. 3) Tap: -15. 4. Radiation Shield Bandwidth: 5-1000 MHZ -100 db G. TV Outlets: 1. Wall taps with 1 output: Model No. WP-81-I. Impedance Connector Bandwidth RF 1SO Thru Loss 75 F 5-1000Mhz 12dB 0.9dB 16dB 0.7dB 20dB 0.6dB 24dB 0.6dB 28dB 0.6dB 30dB 0.6dB H. Headend Equipment Enclosure: 1. Heavy gage steel construction, ventilated, vertical rack with lockable back door as indicated on the Plans. a. Provide 3 vertical racks at Senior High Schools. Racks shall be arranged in a gangable configuration at indicated on the M-DCPS Design Criteria Appendix section. b. Each rack shall have one 115 VAC 16 outlet strip, capable of 20 ampere with power surge protection. c. Unless otherwise indicated on the Plans, the head-end equipment rack for Elementary Schools, Middle Schools and K-8 Centers, will be provided by others. I. Coaxial Cable TV Signal Distribution: 1. Type: RG6/U (Model No. 9116). a. Frequency: 1000MHz b. Attenuation (db/100 max): 5.10. Project No. SPECIFICATION GUIDELINES 13780-7

c. Use: Dropline (maximum length 100 ft.) d. Conductor Material and Diameter: 18 AWG solid bare copper covered steel, 0.040". e. Dielectric gas injected foam polyethylene. f. Shield Type: Duobond, 60 percent aluminum braids. Duofoil, 40 percent aluminum braids. g. Jacket Material and Diameter: PVC (black color) 0.295". h. Nominal Velocity of Propagation: 82 percent. i. Impedance: 75 ohms. j. 100 percent shielded coverage. k. 100 percent sweep tested 5 MHZ to 600 MHZ. l. UL/NEC and CSA Rating: CATV and FT-1. m. Flame Test: UL 1581 Vertical tray. 2. Type: RG6/U (Model No. 1694A). a. Frequency: 4500MHz b. Attenuation (db/100 max): 3.17. c. Use: Dropline (maximum length 100 ft.) d. Conductor Material and Diameter: 18 AWG solid bare copper covered steel, 0.040". e. Gas-injected High Density polyethylene. f. Shield Type: Layer 1 - Duofoil, Aluminum Foil-Polyester Tape-aluminum Foil 100%. Layer 2 - Braid TC Tinned Cooper 95% g. Jacket Material and Diameter: PVC (green color) 0.274". h. Nominal Velocity of Propagation: 82 percent. i. Impedance: 75 ohms. j. 100 percent shielded coverage. k. 100 percent sweep tested 5 MHZ to 600 MHZ. l. UL/NEC and CSA Rating: CATV and FT-1. m. Flame Test: UL 1581 Vertical tray. 3. Type: RG11/U. a. Frequency: 1000 MHZ. b. Attenuation (db/100 max): 3.18. c. Use: Main and Sub Trunk lines. d. Conductor Material and Diameter: 14 AWG solid bare copper covered steel 0.064". e. Dielectric Material and Diameter: Gas injected foam polyethylene 0.285". f. Shield Type: Bonded duofoil, 77 percent aluminum braid, bonded foil-shorting fold. g. Jacket Material and Diameter: PVC (black) 0.405". h. Nominal velocity of propagation: 82 percent. i. Impedance 75 ohms. j. 100 percent shielded coverage. k. 100 percent sweeptested 5 MHZ to 600 MHZ. l. UL/NEC and CSA Rating: CATV and FT-1. m. Flame Test: UL 1581 vertical tray. 4. Type: RG11 Duobond Plus. Project No. SPECIFICATION GUIDELINES 13780-8

a. Frequency: 1000MHZ. b. Attenuation (db/100 max): 3.18. c. Use: Main and Trunk under ground lines. d. 77 percent braid product code 9764. e. Flooded direct burial cable. f. Impedance 75 + 3 ohms. g. Nominal velocity of propagation 82 percent. h. Nominal delay 1.2 ns/ft. i. Attenuation at 1000 MHZ 3.18 db/100 ft. J. Antenna Support Structure in accordance with Plans and M-DCPS Design Standards. K. Lightning Protection System: Copper or bronze components, UL listed and of the size weight and construction for use according to UL requirements and manufacturer's recommendations or according to the Drawings. 2.4 SOURCE QUALITY CONTROL A. Verification of Performance: 1. Signal Parameters: a. Modulation Modes: (Clean) Not-Encrypted 64/256 QAM ITU j.83 Annex B b. Symbol Rates: 1-7 Msps variable, with presets for Annex B c. Frequency Coverage: 54-1002 MHz, 6 MHz Channels d. Channel Plan: Standard CATV, HRC, IRC, Broadcast e. Maximum Power through Bandwidth: +43dBmV f. Level Accuracy: ±2 db g. Phase Noise: < -108 dbc/hz @ 0 KHz offset h. Broadband Noise: <-75dBc @ 12MHZ offset in a 6 MHz bandwidth i. MER: > 44 db equalized j. Channel Frequency Response: < 1 db k. Carrier Suppression: > 80 db l. I/Q Imbalance: < 1 degree m. Spurious Emissions: < -60 dbc NOTE: From the Not-in-Contract final combiner, all programs are multiplexed into a multi-program transport stream through the In-Contract main distribution amplifier specified in this document. 2. RF Isolation between RF Signal Outlet and Distribution Cable: Minimum 12 db. PART 3 EXECUTION 3.1 INSTALLATION A. ITV system shall be installed according to applicable codes, M-DCPS Design Standards, accepted shop drawings and wiring diagrams. B. Install ground system as indicated on the drawings and according to Code. Provide ground points next to the location of the TV distribution rack(s) and at all junction boxes. Project No. SPECIFICATION GUIDELINES 13780-9

C. Commercial Cable Television Conduit: 1. Coordinate with local CATV Company for location of CATV service entrance. D. Install antenna support structure and antenna to meet applicable Codes and as noted on the Drawings. E. Lightning Protection System: 1. Install according to NEC, NFPA 78, UL 96A, Lightning Protection Institute (LPI) standards, other applicable codes and standards, and according to the Drawings. 2. Connections made in lightning protection system shall be electrically continuous to ground rods. 3.2 FIELD QUALITY CONTROL A. Site Tests: 1. Check and test the system for shorts, grounds, continuity, and proper functioning and operation. 2. Perform final connections of equipment, testing of system, and other necessary adjustments by a certified factory trained technician, employed by or under the direct supervision of the equipment manufacturer. 3. Upon completion of installation, test entire system in presence of A/E and the Board. 4. Using a QAM 64/256 Modulation Signal Generator, an RF meter/receiver and a spectrum analyzer acceptable to A/E, demonstrate that the required signal strength and signal quality is provided at each ITV coaxial outlet. END OF SECTION Project No. SPECIFICATION GUIDELINES 13780-10