SECTION 27 41 30 AUDIOVISUAL ARCHITECTURAL SPACES PART 1 GENERAL 1.01 SUMMARY A. This Section defines the Audiovisual System requirements for Audiovisual Systems within Architectural Spaces. 1.02 RELATED SECTIONS A. The requirements of Division 27 Specification Section Audiovisual General Requirements shall serve as the basis for the requirements of this Section, and are incorporated by reference into this Section. 1.03 SYSTEM DESCRIPTION A. The functionality of the Audiovisual System within this space is to include but not be limited to the reinforcement of audio / video program material. The Audiovisual System within this space shall include but not be limited to the following system(s): PART 2 MATERIALS 2.01 GENERAL 1. The Video System(s) shall provide reinforcement and distribution of program source material to audience members within this space. This system shall include but not be limited to the following: i. Video Display System: The Video Display System shall include but not be limited to a wall mounted flat panel display, video processing equipment capable of processing multiple inputs / outputs of differing formats, and source equipment. ii. Video Projection System: The Video Projection System shall include but not be limited to a permanently mounted projector capable of processing multiple inputs of differing formats, and source equipment and a motorized recess projection screen. 2. The Audio System(s) shall provide reinforcement and distribution of program source material to audience members within this space. This system shall include but not be limited to the following: i. Sound Reinforcement System: The Sound Reinforcement System shall include but not be limited to loudspeakers integral to the video displays. ii. Sound Reinforcement System: The Sound Reinforcement System shall include but not be limited to suspended loudspeakers providing uniform sound coverage throughout the audience area, audio processing equipment capable of processing multiple inputs / outputs of differing signal levels, microphone(s) and source equipment. 3. The Control System shall provide a seamless control process to unify the Audiovisual System. This system shall consist of but not limited to the manufacturer provided handheld remote 4. The Transmission System shall be a traditional cable based system. This system shall consist of but not be limited to coax cable, shielded twisted pair cable, unshielded twisted pair and interface plates. Cable shall be installed and terminated to the manufacturer s recommendations. AUDIOVISUAL ARCHITECTURAL SPACES 27 41 30 1
A. Manufacturer: Unless otherwise indicated, equipment in this Section shall be the standard products of a manufacturer regularly engaged in the manufacture of such products. All components used in the system shall be commercial designs that comply with the Specifications. Each major component of equipment shall identify the manufacturer s name, model and serial number. Items of the same classification shall be identical. This includes equipment, modules, parts, and components. The Engineer retains the right to reject products which reflect, in the Engineer s opinion, sub standard design practices, manufacturing procedures, support services, or warranty policies. B. Equipment Schedule(s): The equipment schedule(s) at the end of this Section and/or within the drawings is general in nature and is provided to define system requirements, including but not limited to; functionality, signal compatibility, mounting requirements, space requirements, cooling requirements and overall clarity / intent of operation. The equipment schedule is not all inclusive and is not to be used as a bill of materials. The Contractor shall provide all equipment required for a fully functional and operating system ready for the Owner s use that may or may not be explicitly specified within Construction Documents. 1. Part Numbers: Refer to the equipment schedule(s) for specific part numbers. Part numbers listed in the equipment schedule(s) define the performance specifications for the parts and shall be per the most recent manufacturer s cut/data specification sheets available at the time of bid. If no part number is provided, then any part meeting the functional and operational requirements specified is acceptable. i. Substitutions base on availability: Unavailable equipment shall be replaced with like make and model of equal or greater capabilities. Substitutions shall be submitted to engineer for approve prior to procurement. Equipment substitutions shall be considered if equipment has been discontinued by manufacturer, recalled by manufacturer, technologically obsolete, manufacturer lead times exceed project milestones and/or manufacturer has ceased business practices within the continental United States of America. 2. Provide materials in quantities as required to provide a fully functional and operational System. 3. Owner Provided Contractor Installed: Refer to the equipment schedule at the end of this Section for procurement requirements. Equipment identified with an OFCI shall be provided by Owner for the Contractor to install. 2.02 EQUIPMENT SPECIFICATION A. This equipment shall as a minimum conform to the following specifications. 1. Audio Power Amplifier i. The audio power amplifier shall provide balanced inputs and voltage transformer outputs. ii. The audio power amplifier shall have attenuation pads to provide level control. iii. The audio power amplifiers shall be rack mountable. 2. Interface Plate i. The interface plates unless noted otherwise shall be made of 1/8 inch brushed anodized aluminum with beveled edges, with 1/8 inch high enamel filled lettering. ii. Coordinated finish requirements with Architect / Owner prior to procurement. 3. Loudspeaker i. Ceiling Loudspeaker: AUDIOVISUAL ARCHITECTURAL SPACES 27 41 30 2
1) The loudspeaker shall be a passive transducer with a voltage transformer with variable tap selection. 2) The loudspeaker shall be a ceiling mounted type loudspeaker with appropriate tile bridge, back box and grille. 4. Rack Accessories i. Rack accessories shall be made of 11 gauge aluminum and finished in black powder coat. 5. Video Display i. The video display shall have the capability to reproduce multiple A/V inputs of varying formats. ii. The video display shall be an active matrix LCD type display. iii. The video display shall incorporate speakers for audio reproduction. iv. The video display shall provide an interface to a control system utilizing data communication. v. The video display shall be wall mounted. 6. Projector i. The projector shall have the capability to reproduce multiple A/V inputs of varying formats. ii. The projector shall provide image size adjustment and image focusing. iii. The projector shall provide an interface to a control system utilizing data communication. iv. The projector shall provide image inversion for ceiling mounting. v. The projector shall be positioned centered on the projection screen, centered within the minimum and maximum throw distance. Base throw distance calculations on the native aspect ratio of the projector, unless otherwise noted. 7. Projection Screens 2.03 POWER DISTRIBUTION i. The projection screen shall be motorized and recessed ceiling mounted. ii. The projector screen shall have adequate drop material to extend the bottom of the projection screen to a distance of 4 foot above the finished floor, unless otherwise noted. iii. The projection screen shall be a tab tension type screen. iv. The projection screens shall provide an interface to a control system utilizing contact closures. v. The projection screen shall utilize a 120VAC/60Hz circuit provided by Division 16 A. The Audio Visual Contractor shall provide all power distribution equipment required to provide a fully functional and operating system ready for the Owner s use. Power distribution equipment shall include but not be limited to; power conditioners, surge suppressors, power supplies, power strips, power cords and power cabling. 1. Power distribution equipment may or may not be indicated in drawings and/or specifications. 2. Power distribution equipment indicated within drawings and/or specifications are shown for specific implementation, isolation from other uses, or general clarification. 3. Power distribution equipment shown within drawings and/or specifications does not represent the power distribution equipment in its entirety, the Contractor shall provide AUDIOVISUAL ARCHITECTURAL SPACES 27 41 30 3
2.04 WIRE AND CABLE remaining power equipment as required to provide a fully functional and operating system for the Owner s use. A. This equipment shall as a minimum conform to the following specifications. Cable conductor and gauge requirements may vary depending on device requirements. Contractor to determine and utilize cables with proper conductor and gauge requirements to provide optimum operation of system devices. Use Plenum equivalent cable as required. 1. Composite Video: This cable distances less than 100 feet shall be a Shielded//Coaxial one 20 AWG solid conductor, 75 ohm. 2. Composite Video: This cable distances more than 100 feet shall be a Shielded//Coaxial one 18 AWG solid conductor, 75 ohm. 3. Contact Closure: This cable shall be an Unshielded Twisted Non Pair, (2) 20 AWG stranded conductor. 4. Line Audio: This cable shall be a Shielded/Twisted/Pair, two 22 AWG stranded conductor. 5. Loudspeaker Audio: This cable shall be an Unshielded/Twisted/Pair, two 16 AWG stranded conductor. 6. Microphone Audio: This cable shall be a Shielded/Twisted/Pair, two 22 AWG stranded conductor. 7. Power supply: This cable shall be a Shielded Twisted Pair, Unshielded Twisted Non Pair, (2) 18 AWG stranded conductor. 8. RGBHV Video: This cable shall be a Shielded/ (5 individual coaxial conductors), one 26 AWG stranded conductor, 75 ohm. 2.05 MANUFACTURER SUPPORT CONTRACT(S) A. The Contractor shall provide any manufacturer backed maintenance, warranty and/or technical support contract necessary for the Contractor to configure, operate, service, repair and/or replace any component of the Audiovisual System. The contract shall be valid for the duration of the warranty period. The Contractor shall purchase the contract in the Owner s name and provide documentation and renewal information to the Owner at acceptance testing. PART 3 EXECUTION 3.01 REFERENCES A. The Contractor shall closely coordinate with the Owner to ensure that Owner provided equipment is procured, configured (as necessary), and installed (as necessary) with ample lead time prior to the Contractor s use of the equipment. B. Refer to Division 27 Specification Section Audiovisual General Requirements for execution requirements. AUDIOVISUAL ARCHITECTURAL SPACES 27 41 30 4
EQUIPMENT SCHEDULE AUDIOVISUAL ID TYPE DESCRIPTION MANUFACTURER PART NUMBER SPECIAL RQMTS A13600 5 CHANNEL MIC/LINE Mixer RDL RU MX5ML A14330 AUDIO AMPLIFIER EXTRON XPA 2001 70V A14330.1 AUDIO AMPLIFIER RACK MOUNT EXTRON RSU 129 A15000 VOLUME CONTROL ATLAS SOUND AT100D A15120 CEILING LOUDSPEAKER ATLAS SOUND FAP62T A15120.1 CEILING LOUDSPEAKER TRIM RING ATLAS SOUND FAPxx TR A22160 VIDEO DISTRIBUTION AMPLIFIER EXTRON P/2 DA2XI A22365 HDMI DISTRIBUTION AMPLIFIER CRESTRON HD DA 2 A22560 HD SCALER CRESTRON HD SCALER A27291 VIDEO DISPLAY SHARP LC 70LE735U A27292 VIDEO DISPLAY SHARP LC 80LE632U A27930 WALL MOUNT FIXED CHIEF LSMU A27968 WALL MOUNT ARTICULATING CHIEF PWRIWUB + PAC501B A28027 PROJECTOR (16:10) EPSON POWERLITE PRO G5750WUNL A28099 PROJECTOR POLE MOUNT CHIEF As Required A33300 PROJECTION SCREEN 65" X 104" (16:10) DRAPER ADVANTAGE DELUXE ELECTROL A51245 EQUIPMENT RACK WALL MIDDLE ATLANTIC DLBX KEYED ALIKE A52400 COMPONENT RACK MOUNT MIDDLE ATLANTIC RSH xx A52500 BLANK RACK PLATES MIDDLE ATLANTIC PBL x A61100 INTERFACE PLATE CUSTOM PROCO As Required A66100 MICROPHONE AUDIO CABLE BELDEN, 9451 or Plenum Equivalent A66102 LINE AUDIO CABLE BELDEN 9451 or Plenum Equivalent A66104 LOUDSPEAKER AUDIO CABLE BELDEN 5x00UP or Plenum Equivalent A66200 COMPOSITE VIDEO CABLE DISTANCES UNDER 100' BELDEN, 1505A or Plenum Equivalent A66202 COMPOSITE VIDEO CABLE DISTANCES OVER 100' BELDEN 1694A or Plenum Equivalent A66206 RGBHV VIDEO CABLE EXTRON MINI HR or Plenum Equivalent A67000 MANUFACTURED VGA/AUDIO CABLE EXTRON VGA A M M MD/x A67010 MANUFACTURED HDMI CABLE EXTRON HDMI M M Pro/x END OF SECTION AUDIOVISUAL ARCHITECTURAL SPACES 27 41 30 5