SECTION 27 41 16 INTEGRATED AUDIO-VIDEO SYSTEMS … I Section... · SAA and NSE Buildings 27 41 16...

Nevada State College Henderson Campus Expansion

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Nevada State College Henderson, NV Campus March 2, 2015 SAA and NSE Buildings 27 41 16 - 1 Integrated Audio-Video Systems

SECTION 27 41 16

INTEGRATED AUDIO-VIDEO SYSTEMS AND EQUIPMENT

PART 1 - GENERAL

1.1 SECTION SUMMARY

A. This Section includes the Audio-Video equipment coordination and installation for the Nevada State College Henderson Campus Expansion. The scope under this section includes the new Student Activities and Administration Building and the Nursing Science Education Building.

B. The Audio-Visual Contractor (AVC) in receipt of this design specification, the associated IFB, and all contract documents acknowledges that he has reviewed the information contained herein and the information is sufficient to enable the Contractor to accurately bid the project and complete the work as described in the time allotted for the price agreed to with and accepted by the Owner and Consultant. This includes all work, whether or not specifically described in the design specification package, which reasonably may be expected or required to present a complete installation that is both fully functional and in compliance with all applicable laws, codes, rules, and regulations applicable to this project.

C. The AVC shall be responsible for ensuring that it is fully aware of the expectation of the contract documents as well as the location and condition of the work site, any specific conditions and limitations of the Site, and any other influences that may affect the work as outlined in the design specification.

D. Claims for additional time or additional compensation as a result of The AVC’s failure to familiarize itself with all local conditions and the contract documents will not be accepted or approved.

E. The AVC is to provide all labor, materials, transportation and equipment to complete the installation, furnishing, assembly, set up, and testing of the audio, video, and integrated control systems work indicated on the associated “AV” drawings and specified herein. Notwithstanding any detailed information in this section, provide complete, working equipment. Contractor will provide all materials and assemblies and other such work that is required, whether or not specifically mentioned in these specifications. All equipment shall be completely installed with all the necessary interconnection and wiring to provide fully functioning systems.

F. The AVC is to coordinate with GC/EC for all conduits inclusive of junction boxes and pull-wires. Where not included under the EC scope of supply, AVC to supply and install required conduit and/or cable routing.

G. Related sections include the following: 1. Division 27 Communications 2. Owner’s telecommunications cabling standards 3. Drawings and general provisions of Contract, including General and Supplementary

Conditions, Special Conditions, and all front end Specification sections apply to work specified in this section.

4. Existing Finance Lab Video Wall, World Clock, and Ticker specifications.

1.2 DEFINITIONS

A. The following definitions shall apply herein.


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1. The term Owner or “NSC”: Nevada State College 2. The term Construction Manager “CM” or “GC”: TBD 3. The term Electrical Contractor or “EC”: TBD 4. The term Architect: PGAL 5. The term Consultant: Coherent Design 6. The term Audio-Video Contractor or “AVC”: The successful bidder responsible for the

complete installation of the audio-video-control systems specified herein 7. The term “shall” is mandatory; the term “will” is informative; the term “may” describes

an option; the term “should” is advisory; the term “provide” means furnish and install. 8. The term “by others” shall refer to material and work that is related to this A/V sub-contract

and for which the AVC is not responsible except as otherwise detailed herein. Some or all of these items may be included in the overall Electrical Contract or GC’s scope.

9. The term “OFE” shall refer to “Owner Furnished Equipment”, which shall be provided by the Owner to the AVC. The AVC shall be responsible for installing and integrating this equipment as detailed herein.

10. The term “NIC” shall mean “Not in Contract”, which the Owner or other contractors may provide. The AVC shall be responsible for providing cabling, plates, and other infrastructure as indicated on the drawings and herein so as to provide “plug and play” ready installation of all NIC equipment.

B. The basis for terminology used in this document is standard construction and sound & communications industries practices and that of IEEE/ANSI-100-1988.

1.3 WORK BY OTHERS

A. Conduits, wireways, connection boxes, pull boxes, junction boxes, combined services floor boxes and outlet boxes permanently installed in floors, walls, and ceilings.

B. All electrical breaker panels, motorized breaker panels, and power receptacles necessary to bring power to the audiovisual systems equipment racks and to devices in the project as indicated in the drawings.

C. Room lighting fixtures, dimmers, power receptacle outlets, and interconnecting wiring for these circuits.

D. Structural work, wall openings, platforms, railings, stairs, fire prevention and safety devices, rough and finished trim, painting and patching, drapes, carpets, floor coverings, computer floors, glazing, acoustical treatments, heating, ventilating, and air conditioning systems unless noted otherwise.

E. Moveable furniture, desks, and chairs unless noted otherwise.

F. Provision and Installation of Motorized Projection Screens and back boxes. (AVC shall install control cabling to screens)

G. See Construction Documents for reference to items marked “Not in Contract” and/or “by others”.

1.4 PERFORMANCE REQUIREMENTS

A. The AV Contractor shall study the drawings and familiarize himself with the Work of the entire project scope. The Work of this section shall be carefully organized and programmed so that its


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progress shall be concurrent with the work of all other trades and so that the work shall proceed as expeditiously as possible.

B. The AV Contractor shall be responsible for the correct placing of the work of this section, equipment to fit into the structure as built, and attachment of equipment to the work of all other trades and Owner furnished equipment and facilities.

C. Install all equipment to industry safety and ergonomic standards and provide full engineering and technical support throughout the installation process.

D. The functional interconnections of the audio, video, and control systems shall comply with the manufacturer’s system installation guidelines, industry standard practices, and as specified herein.

E. It shall be the responsibility of the AV Contractor to coordinate with those performing related work and to interface other systems with the Work of this section. The AV Contractor shall ensure that the work by others shall integrate properly with the Work of this section and that all such work collectively complies with all requirements as specified herein 1. Coordination shall include providing timely submittal and field coordination of mounting

requirements, dimensions, and any other information required by other trades. 2. Maintain constant communications with all designated personnel of the CM and attend all

construction meetings as requested by the CM.

F. The AV Contractor shall generate all shop drawings and information for the complete installation and wiring of the system. The AV Contractor shall provide Pull Schedules and Riser Diagrams for the on-site installation and wiring and shall provide on-going supervision and coordination during the implementation phase. The AVC shall provide pre- printed wire labels numerically organized for signal type and cable count according to the engineering documentation & shop drawings.

G. The AV Contractor shall be responsible for the comprehensive adjustment of the systems as specified herein and shall provide all test equipment for the system checkout and acceptance tests. Adjust and balance all circuits as specified herein. Set all controls and software parameters to render fully and optimally operating systems and subsystems. All computer controlled functions shall require complete audio/computer/software setup, balancing, label-entry and documentation.

H. SCOPE OF WORK 1. Provide a complete and functioning audiovisual system (A/V), software, and training to

meet or exceed the performance document. 2. Provide materials, labor, and equipment including but not limited to:

a. The delivery, unloading, setting in place, fastening to walls, floors, ceilings, counters, or other structures where required.

b. Provide low voltage cable as per A/V drawings or as required to deliver a fully functional system.

c. Final terminations, dressing, and testing of all A/V cabling inclusive of cables pulled by others.

d. Interconnecting wiring of the system components and equipment alignment and adjustment.

e. All equipment as shown in the drawings, BOM, and herein. f. All interconnection cable, connectors, terminal strips, wireway, flexible conduit,

raceways, etc. to facilitate the A/V systems as detailed in the drawings and herein. g. Coordinate sizes with wall and floor box manufacturers and provide all custom

connector panels required as detailed in the drawings and herein.


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h. All other work whether or not expressly specified herein and on the drawings to provide complete operational turnkey systems.

I. DESIGN STANDARDS 1. The Owner’s goal is to have the most commonly used A/V equipment integrated as a

cohesive system. Therefore, part of the development efforts for successfully implementing the A/V systems should include: a. Installation of the system in a manner that will comply with BiCSi, ICIA and routing

of all audio, video and control cabling elements of the final design in a subtle, unobtrusive manner to maintain the architectural and visual integrity of the building.

b. Supply and install security covers on any electronics with front panel controls that should not need to be adjusted after initial set-up. All components permanently mounted to rack rail systems shall be installed with industry accepted security screws.

c. Supply of 8 ½ x 11 Instruction Card, approved by the Owner, and laminated with step-by-step instructions outlining system operations for each room that has AV systems. Provide editable file of card to Owner.

d. Secure all above finished ceiling (AFC) AV equipment to building structure. e. No more than 10% of rated lamp hours shall be expended for projection system

setup at the time of final systems acceptance. Should more hours than this be expired, the AV contractor shall replace the lamp at no cost to the Owner.

f. Supply of “Intellectual Property Release” with an editable version of all master source code for all digital signal processing, remote control or microprocessor-based systems included on this project installed on Owner- furnished personal computer and on portable media.

g. Supply of any necessary audio, video, RGBHV, DVI/HDMI, USB, Ethernet, and control signal repeaters, extenders, and amplifiers for cable runs greater than specified signal maximums as needed to maintain required signal levels for receipt at destination device.

h. All analog audio lines in excess of twenty feet shall be balanced at the source. i. Installation shall comply with all applicable codes and best practices.

J. DISCREPANCIES 1. Where there is a discrepancy between drawings or between drawings and documents, the

AV Contractor shall conform to the guidelines below. The AV Contractor shall consider all the information in combination and not consider one element alone to meet a minimum requirement. The guidelines are as follows: a. Floor and Ceiling plans indicate device locations b. Architectural, ID, and Electrical drawings indicate the location of all floor boxes, back

box, and all conduit interconnect points as shall be installed as in infrastructure by the Electrical Contractor. These drawings are to inform the AVC as to all points within the facilities for cable and connector plate installation.

c. A/V detailed block diagrams to indicate general signal flow and interconnection of devices, pin outs and signal levels.

d. The A/V specifications delineate minimum performance requirements, methodologies, and the design intent.

e. The BOM provides a general list of MAJOR equipment to be supplied. f. Where there is a conflict in number of devices, the document with the highest

quantity shown shall govern. g. Where there is a conflict with the type of product shown, the product with the greater

functionality, higher standard, and greater number of features shall govern.


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h. It is the AVC’s responsibility to use the IFB process during the bidding period to resolve any conflicts regarding quantities and pricing. Any failure to do so shall not relieve the AVC from providing a fully functional system as outlined.

K. These specifications and the drawings do not necessarily indicate every single component part of each system. It is the responsibility of the AV Contractor to engineer each system and its interconnection in order to provide, furnish, and install completely operational turnkey systems. No error or omission herein or on any related Construction Documents shall relieve the AV Contractor from this responsibility to do so.

1.5 SUMMARY OF WORK

A. GENERAL: The area of work under this section includes a new Student Activities and Administration Building and the Nursing Science Education Building. The expansion includes a large lecture hall, divisible meeting room with 3 spaces, 22 classrooms, and an executive conference room, and common areas. The expansion includes audio, video, and control systems as outlined below: 1. VIDEO PROJECTION SYSTEMS: All video projectors shall be bright enough so that room

lighting does not need to be dimmed or turned off for easy student viewing. Stand-alone video projectors in all areas shall be capable of accepting direct digital video and control via a single CAT6A STP cable connection. Smart Board video projectors (OFE) shall require a digital video and control receiver box, connected via HDMI and either serial or LAN. The projection aspect ratio shall be 16:10 for all standalone projectors and screens. Projection screens shall be operated via contact closure via the integrated control system.

2. LECTURE CAPTURE: Rooms with a lecture capture system shall have the ability to record high definition video and audio of an entire teaching session. The capture system shall utilize an HD PTZ video camera and also be connected to the in-room presentation system to allow for simultaneous capture of the presented material and a real-time video feed of the instructor. The system shall be connected via the NSC data network and utilize the existing lecture capture storage and management server for archiving, organization, and internet streaming.

3. DIGITAL SIGNAGE: Several key locations shall include digital signage displays. Digital signage players shall be located at each display. The players shall be networked, but stand-alone and not dependent upon a content management system, cloud, or any sort of continuing licensing for programing or content. Players shall be capable of 4 hours of content storage time each.

4. INTEGRATED CONTROL: The controller shall offer simple control of all applicable AV equipment located within and adjacent to the venue. User controls may consist of any combination of push buttons, sliders, rotary knobs, and/or touch screen panels. All touch control interfaces shall present simple, clear control of all audio-visual components. All areas shall have remote network control capability meeting or exceeding the capabilities of that area’s local control. Remote control shall be accessible via the NSC IT Wi-Fi network and accessible by PC, Android and iOS devices. No Instructor function shall require more than two button presses to accomplish a desired task. Technician and Maintenance functions may require more than two button presses for any given task. The control system shall be integrated with the local AV system for centralized audio and video control. AVC to provide screen shots of all touch screens for approval by Owner and AV Consultant prior to programing implementation. The integrated control system shall also include remote monitoring and control software based on the control system manufacturer’s “cloud” services, or through a qualified third party cloud service provider, to allow the NSC IT staff to access and monitor the system from anywhere.


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5. LOCAL CONNECTION PANELS: An infrastructure of local connection panels in floor boxes shall be provided to allow simple connection of the teaching stations, microphones, or similar. Labeling for connections shall be white, engraved and black-filled. Labeling for rack connections shall be black, engraved and white-filled. All panels shall terminate either at patch bays in the IDF AV equipment racks, or directly to the classroom field devices, depending on the room type.

6. NETWORK: The AVC shall be responsible for installation and cabling, and assist in troubleshooting of OFE network switches for the audio, video and control systems within the teaching stations and IDF room AV equipment racks. The AVC shall coordinate network equipment with the NSC IT department for Owner purchase. In general, the network shall not require any VLAN or advanced configuration as only general data, control, and monitoring traffic exist within each local system, and at selected times file transfers from the lecture capture devices. NSC IT shall provide for any VLAN setup on their core switches if required.

7. STRUCTURED CABLING: Ethernet, speaker, wireless microphone, mic/line audio and other specialty AV cabling to be provided and installed by AVC. Ethernet UTP, STP and MATV Coax cabling not part of racks or local AV equipment shall be coordinated with the Low Voltage Contractor (LVC). Plenum cable to be used as required in all plenum spaces.

8. UPS SYSTEMS: All AV devices, with the exception of audio amplifiers, shall be powered from UPS systems. AVC shall provide UPS’s at each system to supply enough reserve power for 15 minutes backup time. The UPS’s shall also allow for remote control of individual outlets for remote power management via a web interface. The control systems shall also be programmed to display a warning to the user on the touch panel when the system is operating on UPS power and give an indication of remaining runtime.

B. CLASSROOMS: The general classroom systems are designed to provide the instructor with an expedient and dependable digital media system to effectively connect the students with the teaching media. The systems are centered on a “teaching station” which is an ADA compliant lectern with motorized adjustable height controls and integrated equipment racks to house the audio visual equipment. The top of the teaching stations include ample work surface space and an integrated bridge that shall house a touch panel, auxiliary connections to the system and a lectern style microphone. The physical teaching stations shall be owner furnished and the AVC shall have ample production space to accept delivery of the stations for offsite integration of the AV equipment. 1. SOUND REINFORCEMENT AND PLAYBACK AUDIO SYSTEM: Classrooms shall

include a sound reinforcement and playback audio system. The system shall consist of in-ceiling speakers, powered directly by the integrated control and AV switching system local to each classroom. The system shall be capable of supporting the sound reinforcement needs of a lectern mounted microphone and a wireless handheld or lapel microphone. The system shall also support the playback of AV media. Speakers shall be spaced so that there is no greater than +/- 2db variation in SPL anywhere in the student seating area of any room. Sound reinforcement shall include a high quality lectern mounted microphone and a single channel wireless microphone system with both handheld and lapel microphones available for use (one or the other at any given time). Control system touch panels shall include one button access from any page to a popup screen which shall present the instructor with three level controls to include “Media Volume”, “Lectern Microphone”, and “Wireless Microphone”. Input gain controls shall also be available on the Technician page for individual sources. Active audio sources shall always be simultaneously mixed to the audio auxiliary output to the lecture capture system.

2. VIDEO PROJECTION SYSTEM: Classrooms shall include a high definition video projection system that shall enable the instructor to connect their teaching media with students. The projectors and screens shall be 16:10 aspect ratio. The projectors shall


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have a minimum native resolution of 1280x800 pixels. The projectors shall be either 4500 lumens or 6500 lumens minimum light output, depending on the classroom size. The projection system shall allow for video presentations, graphics, distance learning, physical media enlargement, etc. Via the touch panel, an instructor shall be able to select a video source to preview on their teaching station monitor, and then be able to route that source to the projector. Audio shall always follow the projected image. The projected image shall always be simultaneously sent to the lecture capture system.

3. INTEGRATED CONTROL AND AV SYSTEM: Classrooms shall include a single box integrated control and AV switching system. All AV sources shall be connected through this system for audio and video routing, monitoring, volume control, audio amplification, and control. Inputs and outputs shall include both analog and digital connections. A built-in audio amplifier shall provide direct connection to the ceiling speakers. Final video output and control to the projection system shall be via a single CAT6A STP cable directly from the system, with no intermediary devices. The system shall reside on the NSC network and be programmed for cloud monitoring and control access. The system shall control all connected devices either via LAN, serial, or HDMI CEC control. IR control is not acceptable. The system shall include a single 7” or larger touch panel mounted in the top of the teaching station. The AVC shall coordinate with the Owner’s teaching station supplier to provide the proper cutout for the touch panel.

4. LECTURE CAPTURE SYSTEM: Some classrooms shall include a video and audio lecture capture system. The system shall be connected directly to an HD PTZ ceiling mounted video camera via two CAT6A STP cables for recording an image of the instructor. The system shall also accept a digital HD video and analog audio input from the AV switching system to capture the media source simultaneously. The system shall also be connected as an input source to the AV system so that playback of a lecture is possible.

5. MEDIA SOURCES: Classrooms shall have the ability to accept several different media sources for display by the instructor. a. PC and Monitor (OFE) – an owner furnished PC shall be installed in the teaching

station to allow for digital presentations, web content, playback of DVD’s via the built-in DVD drive, live streaming of distance learning material, and USB media stick content. The AVC shall obtain the PC’s from the owner and provide rack shelves for them. The PC shall utilize a touch screen monitor. The AVC shall install the PC’s into the teaching stations and provide all necessary connection cabling including HDMI and USB cables for connection to the system as illustrated on the drawings.

b. Document Camera – the AVC shall supply and install an HD digital document camera for display of physical media.

c. Auxiliary Inputs – the AVC shall supply and install a flip-top interface box in the top of the teaching station to provide inputs for laptops or other portable devices. The inputs shall include HDMI, VGA, and analog audio connections as well as USB connections to the PC. The AVC shall coordinate with the Owner’s teaching station supplier to provide the proper cutout for the flip-top.

6. SMART BOARDS: A number of classrooms include owner provided smart boards, either in addition to, or in place of, the standard projector and screen. The smart board shall be installed by the AVC using the projector provided with it and the USB extender. An HDBaseT receiver shall be provided by the AVC for connection to the projector where smart boards are installed. AVC shall inspect the smart boards provided by the owner and report back to the owner regarding any missing hardware, accessories, etc. required for a complete installation.

C. LECTURE HALL: The Lecture Hall system is designed similar to the classroom systems and is intended to provide the instructor with an expedient and dependable digital media system to


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effectively connect the students with the teaching media. The systems are centered on a “teaching station” which is an ADA compliant lectern with motorized adjustable height controls and integrated equipment racks to house the audio visual equipment. The top of the teaching stations include ample work surface space and an integrated bridge that shall house a touch panel, auxiliary connections to the system and a lectern style microphone. The teaching station shall be able to be connected to any one of three different floor boxes at the front of the lecture hall. The floor boxes shall be manually patchable in the IDF room via a CAT6A STP patch bay when the lectern is moved to a new position. 1. SOUND REINFORCEMENT AND PLAYBACK AUDIO SYSTEM: The lecture hall shall

include a sound reinforcement and playback audio system. The system shall consist of high output ceiling speakers, powered a separate multi-channel power amplifier and DSP. The system shall be divided into several delay zones and time-aligned to the front of the room. The system shall be capable of supporting the sound reinforcement needs of a lectern mounted microphone and a wireless handheld or lapel microphone. The system shall also support the playback of AV media. Speakers shall be spaced so that there is no greater than +/- 2db variation in SPL anywhere in the student seating area of any room. Sound reinforcement shall include a high quality lectern mounted microphone and a single channel wireless microphone system with both handheld and lapel microphones available for use (one or the other at any given time). Control system touch panels shall include one button access from any page to a popup screen which shall present the instructor with three level controls to include “Media Volume”, “Lectern Microphone”, “Wireless Microphone 1”, and “Wireless Microphone 2”. Input gain controls shall also be available on the Technician page for individual sources. Active audio sources shall always be simultaneously mixed to the audio auxiliary output to the lecture capture system. The three floor boxes shall also include a single microphone input where a single microphone or mixer can be patched into the DSP to use the sound reinforcement system when the teaching station is not utilized, or for additional microphones.

2. VIDEO PROJECTION SYSTEM: The lecture hall shall include a high definition video projection system that shall enable the instructor to connect their teaching media with students. The projectors and screens shall be 16:10 aspect ratio. The projectors shall have a minimum native resolution of 1920x1200 pixels. The projector shall be 12000 lumen minimum light output. The projection system shall allow for video presentations, graphics, distance learning, physical media enlargement, etc. Via the touch panel, an instructor shall be able to select a video source to preview on their teaching station monitor, and then be able to route that source to the projector. Audio shall always follow the projected image. The projected image shall always be simultaneously sent to the lecture capture system.

3. INTEGRATED CONTROL AND AV SYSTEM: The lecture hall shall include a single box integrated control and AV switching system as well as a stand-alone control system located in the IDF room to allow for audio system control when the teaching station is not utilized. All AV sources shall be connected through this system for audio and video routing, monitoring, volume control, audio amplification, and control. Inputs and outputs shall include both analog and digital connections. An analog line level audio output shall feed the DSP in the IDF room. Final video output and control to the projection system shall be via a single CAT6A STP cable directly from the system, with no intermediary devices. The system shall reside on the NSC network and be programmed for cloud monitoring and control access. The system shall control all connected devices either via LAN, serial, or HDMI CEC control. IR control is not acceptable. The system shall include a single 7” or larger touch panel mounted in the top of the teaching station as well as a wall mounted 7” touch panel. The AVC shall coordinate with the Owner’s teaching station supplier to provide the proper cutout for the touch panel. The lecture hall shall also include an architectural dimming system by others that shall be controlled by the control system via either serial or Ethernet.


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4. LECTURE CAPTURE SYSTEM: The lecture hall shall include a video and audio lecture capture system. The system shall be connected directly to an HD PTZ ceiling mounted video camera via two CAT6A STP cables for recording an image of the instructor. The system shall also accept a digital HD video and analog audio input from the AV switching system to capture the media source simultaneously. The system shall also be connected as an input source to the AV system so that playback of a lecture is possible.

5. MEDIA SOURCES: The lecture hall shall have the ability to accept several different media sources for display by the instructor. a. PC and Monitor (OFE) – an owner furnished PC shall be installed in the teaching




d. Blu-Ray Player – the AVC shall supply and install a Blu-ray player in the teaching station for playback of Blu-ray media.

6. ASSISTED LISTENING: The lecture hall shall include an integrated assisted listening system to meet ADA code. The system shall utilize IR emitters and include the required amount of receivers per code.

D. DIVISIBLE MEETING ROOMS: The divisible meeting room systems are designed similar to the classroom systems and are intended to provide a classroom environment on a day-to-day basis where the instructor shall have an expedient and dependable digital media system to effectively connect the students with the teaching media in addition to providing flexible meeting room functionality. The systems are centered on a “teaching station” in each of the three spaces which is an ADA compliant lectern with motorized adjustable height controls and integrated equipment racks to house the audio visual equipment. The top of the teaching stations include ample work surface space and an integrated bridge that shall house a touch panel, auxiliary connections to the system and a lectern style microphone. The teaching station shall be able to be connected to a floor box at the front of each divisible space. The floor boxes shall be connected to an AV matrix switch and DSP in the IDF room to allow for easy room combining of the three spaces. 1. SOUND REINFORCEMENT AND PLAYBACK AUDIO SYSTEM: The divisible meeting

rooms shall include a sound reinforcement and playback audio system. The system shall consist of high output ceiling speakers, powered a separate multi-channel power amplifier and DSP. The system shall be divided into three separate zones, one for each of the three spaces. The control system shall provide a simple means of combining the spaces as required. The system shall be capable of supporting the sound reinforcement needs of a lectern mounted microphone and a wireless handheld or lapel microphone. The system shall also support the playback of AV media. Speakers shall be spaced so that there is no greater than +/- 2db variation in SPL anywhere in the student seating area of any room. Sound reinforcement shall include a high quality lectern mounted microphone and a single channel wireless microphone system with both handheld and lapel microphones available for use (one or the other at any given time). Control system touch panels shall include one


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button access from any page to a popup screen which shall present the instructor with three level controls to include “Media Volume”, “Lectern Microphone”, “Wireless Microphone 1”, and “Wireless Microphone 2”. Input gain controls shall also be available on the Technician page for individual sources. Active audio sources shall always be simultaneously mixed to the audio auxiliary output to the lecture capture system. The three floor boxes shall also include a single microphone input where a single microphone or mixer can be patched into the DSP to use the sound reinforcement system when the teaching station is not utilized, or for additional microphones.

2. VIDEO PROJECTION SYSTEM: The divisible meeting rooms shall include a high definition video projection system that shall enable the instructor to connect their teaching media with students. The projectors and screens shall be 16:10 aspect ratio. The projectors shall have a minimum native resolution of 1280x800 pixels. The projectors shall be 6500 lumen minimum light output. The projection system shall allow for video presentations, graphics, distance learning, physical media enlargement, etc. Via the touch panel, an instructor shall be able to select a video source to preview on their teaching station monitor, and then be able to route that source to the projector. Audio shall always follow the projected image.

3. INTEGRATED CONTROL AND AV SYSTEM: The divisible meeting rooms shall include a single box integrated control and AV switching system in each of three teaching stations as well as a stand-alone control system located in the IDF room to allow for audio system control when the teaching station is not utilized. All AV sources shall be connected through this system for audio and video routing, monitoring, volume control, audio amplification, and control. Inputs and outputs shall include both analog and digital connections. A line level analog audio output from each system shall feed an input on the DSP in the IDF room. Final video output and control to the projection system shall be via a single CAT6A STP cable directly from the system, with no intermediary devices. The system shall reside on the NSC network and be programmed for cloud monitoring and control access. The system shall control all connected devices either via LAN, serial, or HDMI CEC control. IR control is not acceptable. The system shall include a single 7” or larger touch panel mounted in the top of the teaching station as well as a wall mounted 7” touch panel in each of the three spaces. The AVC shall coordinate with the Owner’s teaching station supplier to provide the proper cutout for the touch panel.

4. MEDIA SOURCES: The divisible meeting rooms shall each have the ability to accept several different media sources for display by the instructor. a. PC and Monitor (OFE) – an owner furnished PC shall be installed in the teaching




d. Blu-Ray Player – the AVC shall supply and install a Blu-ray player in the teaching station for playback of Blu-ray media.


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5. ASSISTED LISTENING: The divisible meeting rooms shall include an integrated assisted listening system to meet ADA code. The system shall utilize IR emitters and include the required amount of receivers per code.

E. EXECUTIVE CONFERENCE ROOM: The executive conference room system is intended to provide general audio visual support for small meetings. All equipment shall be housed in a local equipment rack located in the millwork. AVC shall coordinate with the millwork contractor for sizing and installation of the AV equipment rack. 1. PLAYBACK AUDIO SYSTEM: The executive conference room shall include a sound

reinforcement and playback audio system. The system shall consist of in-ceiling speakers, powered directly from the integrated controller. The system shall be divided into three separate zones, one for each of the three spaces. The control system shall provide a simple means of combining the spaces as required. The system shall be capable of supporting the sound reinforcement needs of a lectern mounted microphone and a wireless handheld or lapel microphone. The system shall also support the playback of AV media. Speakers shall be spaced so that there is no greater than +/- 2db variation in SPL anywhere in the student seating area of any room. Sound reinforcement shall include a high quality lectern mounted microphone and a single channel wireless microphone system with both handheld and lapel microphones available for use (one or the other at any given time). Control system touch panels shall include one button access from any page to a popup screen which shall present the instructor with three level controls to include “Media Volume”, “Lectern Microphone”, “Wireless Microphone 1”, and “Wireless Microphone 2”. Input gain controls shall also be available on the Technician page for individual sources. Active audio sources shall always be simultaneously mixed to the audio auxiliary output to the lecture capture system. The three floor boxes shall also include a single microphone input where a single microphone or mixer can be patched into the DSP to use the sound reinforcement system when the teaching station is not utilized, or for additional microphones.

2. VIDEO PROJECTION SYSTEM: The executive conference room shall include a high definition video projection system that shall enable the instructor to connect their teaching media with students. The projectors and screens shall be 16:10 aspect ratio. The projectors shall have a minimum native resolution of 1280x800 pixels. The projectors shall be 6500 lumen minimum light output. The projection system shall allow for video presentations, graphics, etc. Via the touch panel, a user shall be able to select a video source to view on the projector. Audio shall always follow the projected image.

3. INTEGRATED CONTROL AND AV SYSTEM: The executive conference room shall include a single box integrated control and AV switching system in the local equipment rack. All AV sources shall be connected through this system for audio and video routing, monitoring, volume control, audio amplification, and control. Inputs and outputs shall include both analog and digital connections. The system’s internal audio amplifier shall power the speakers directly. Final video output and control to the projection system shall be via a single CAT6A STP cable directly from the system, with no intermediary devices. The system shall reside on the NSC network and be programmed for cloud monitoring and control access. The system shall control all connected devices either via LAN, serial, or HDMI CEC control. IR control is not acceptable. The system shall include a single 7” or larger table top touch panel on the conference table as well as a wall mounted 7” touch panel.

4. MEDIA SOURCES: The executive conference room shall have the ability to accept several different media sources for display by the instructor. a. PC (OFE) – an owner furnished PC shall be installed in the local equipment rack to

allow for digital presentations, web content, playback of DVD’s via the built-in DVD drive, live streaming of distance learning material, and USB media stick content.


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The AVC shall obtain the PC from the owner and provide rack shelves for it. The AVC shall install the PC into the equipment rack and provide all necessary connection cabling including HDMI and USB cables for connection to the system as illustrated on the drawings.

b. Auxiliary Inputs – the AVC shall supply and install two flip-top interface boxes in the top of the conference table to provide inputs for laptops or other portable devices. The inputs shall include HDMI, VGA, and analog audio connections as well as USB connections to the PC. The AVC shall coordinate with the Owner’s furniture supplier to provide the proper cutout for the flip-tops.

c. Blu-Ray Player – the AVC shall supply and install a Blu-ray player in the teaching station for playback of Blu-ray media.

F. INSTRUCT TECH TRAINING LAB: The Instruct Tech Training Lab system is intended to provide interactivity between the class and instructor using wall mounted displays and a central projection screen. 1. PLAYBACK AUDIO SYSTEM: The room shall include an audio system for the playback

of audio from any single laptop input. The system shall consist of in-ceiling speakers, powered from a stand-alone amplifier. Speakers shall be spaced so that there is no greater than +/- 2db variation in SPL anywhere in the student seating area of any room. Control system touch panels shall include a volume control always on the screen for the chosen laptop input. Input gain controls shall also be available on the Technician page for individual sources.

2. VIDEO PROJECTION AND DISPLAY SYSTEM: The room shall include a high definition video projection system that shall enable the instructor to connect their teaching media with students. The projector and screen shall be 16:10 aspect ratio. The projector shall have a minimum native resolution of 1280x800 pixels. The projector shall be 6500 lumen minimum light output. The room shall have 6 displays installed on the walls where a local input wall plate will allow breakout groups to display a laptop or other image on that display. There shall be an additional laptop wall plate located next to the projection screen for the instructor to attach their laptop. Using the touch panel, the instructor may choose any of the 7 inputs to display on any or all of the displays at any time. Audio shall always follow the projected image. An 8x8 digital video and audio matrix switcher shall be used to route all of the input wall plates to the displays and projector. The input plates and outputs to the displays and projector shall connect using CAT6A STP cable directly to the devices with no intermediary devices between the matrix and device or display.

3. INTEGRATED CONTROL SYSTEM: The room shall include a single control processor and 7” touch panel. The system shall reside on the NSC network and be programmed for cloud monitoring and control access. The system shall control all connected devices either via LAN, serial, or HDMI CEC control. IR control is not acceptable. The system shall include a single 7” or larger wall mounted touch panel.

G. FINCANCE LAB (NESE 128): The Finance Lab acts as a standard classroom with similar technology, but also includes a proprietary set of video walls, world clocks, and ticker. This equipment is existing and the AVC shall include labor to remove the existing equipment from the existing Finance Lab to the new location. All mounts, displays, clocks, and ticker shall be dis-assembled and then re-installed in the new location. The GC has provided backing in the wall for mounting, electrical, and conduit. Refer to the attached existing documentation. AVC should also refer to the existing installation and document it prior to moving.

1.6 SUBMITTALS

A. CONDUIT AND CABLING


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1. Submit for approval all cable pull schedules and/or run sheets prior to cable installation. Documentation of the entire conduit and cabling installation shall be fully performed to construction documentation standards and as specified herein.

B. SHOP DRAWINGS 1. Prior to fabrication, submit custom engineering pertaining to the audiovisual system. This

engineering includes, but is not limited to, the following: a. Complete system construction and point-to-point wiring schematic drawings,

including all component values and showing complete letter and number identification of all wire and cable as well as jacks, terminals, and connectors.

b. All cut sheets related to equipment can components supplied by the AVC. c. All panels, plates and designation strips, including details relating to terminology,

engraving, finish and color. d. Remote control panel design (to include “live” interactive electronic format). e. All equipment racks, cabinets, consoles, tables, carts, support braces, and shelves. f. Schematic drawings (AV, network & control signal flows). g. All non-factory equipment modifications. h. Patch-panel assignment layout drawings. i. Equipment mechanical drawings of each equipment rack. j. Equipment location drawings. k. System functional block drawings, including those for audio and video subsystems. l. Cable labeling plan. m. All equipment whether a stock manufactured item or custom built item shall be

supported by complete and detailed schematic drawings and replacement parts lists. No “black boxes” or unidentified components shall be acceptable.

2. The AVC shall forward three copies of the submittal to the Owner. The Owner shall retain two copies and forward one copy of the submittal to Coherent Design, 3471 W Oquendo Rd., Ste. 201, Las Vegas, NV 89118.

3. If the submittal is technically approved, the Consultant will retain one copy for official records and return one technically approved submittal to the Owner.

4. If the submittal is technically disapproved, the Consultant will return the copy to the Owner with written explanation attached indicating the areas the submittal deviated from the system specifications.

C. SUBSTITUTIONS 1. Requests for substitutions or deviations shall include the following:

a. Descriptions of the total foreseeable effect of the substitution or deviation upon the design of the project and agreement to be directly responsible for any resultant extra costs, whether the costs are incurred by the AVC or other contractors.

b. Materials and equipment proposed as being in compliance with or in deviation from specified standards or as a substitute for specified items shall be indicated as soon as possible. Upon receiving disapproval for any item, the AVC shall immediately resubmit a revised list for approval and, thereafter, continue to resubmit a revised list until complete written approval of all items has been obtained.

D. INSTALLATION PROGRESS 1. Provide week-by-week Work Progress schedules keyed to personnel, vendors, and tasks

as specified herein and provide updates as requested by the CM, Architect, Consultant, or Owner.

E. DELIVERY DOCUMENTATION


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1. The AVC shall prepare and supply the Owner with a minimum of (3) identical copies of owner’s manuals, or a quantity required by the project specification if greater. Manuals shall be provided in both electronic and hard-bound formats. Before distribution of manuals, one copy shall be submitted to the Consultant for approval. Each manual is to contain the following: NO OWNER OR END USER SHALL SIGN OFF ON ANY SYSTEM OR SUBMIT FINAL PAYMENT TO THE AV CONTRACTOR IF THESE ITEMS HAVE NOT BEEN DELIVERED. a. System operation and Maintenance Manual. The AV Contractor shall produce this

manual specifically for the systems detailed herein. The “Operation” section shall describe, in detail, all typical procedures necessary to activate each system to provide for the functional requirements as listed herein. The reader of this manual shall be assumed to be technically competent, but unfamiliar with this particular facility. The “Maintenance” section shall provide a recommended maintenance schedule with reference to the applicable pages in the manufacturer’s maintenance manuals. Where the manufacturer provides inadequate information, the AVC shall provide the information necessary for proper maintenance.

b. In addition to the more detailed System Operation and Maintenance Manual prepare a more simplified “Quick Start” or “Executive Summary” version that shall consist of no more than one 8 ½ by 11 inch sheet describing the most basic functions. Laminated copies of this instruction sheet shall be located for easy access by the user.

c. Video of training session. AVC shall provide video recording of the training session. d. System one-line drawing including all labeling and changes (“as built drawings”). e. Owner’s manual for each piece of equipment. f. Contractor’s service phone number in a conspicuous place. g. All test reports. h. A list of software versions, hardware versions, IP addresses, ID addresses,

passwords, and part, product and serial numbers. i. Backup and restoration procedures. j. Any required software, firmware, and data files for operation, maintenance,

restoration and backup. k. All custom DSP and Control System programming source code (un-compiled) and

compiled versions.

F. TRAINING 1. The AVC shall provide the Owner with employee training on completed systems at

reasonable convenience of the Owner during normal business hours. Training to cover the proper and safe operation and maintenance of all supplied systems and equipment.

2. At no additional cost to the Owner, the AV Contractor shall provide a manufacturer’s representative for such instruction in the event the AVC does not have qualified instructors on staff for certain sophisticated equipment.

3. All training shall take place after the systems are operational, but before the acceptance tests and first use.

4. Training sessions shall be performed independent of any acceptance testing procedures, and factory training at any manufacturer’s facility.

5. The duration and intensity of training shall be based on the complexity of each system and shall be determined/confirmed by the Owner. The AV Contractor shall allow for a minimum of 40 hours of Owner training.

6. The Contactor shall provide the Owner with employee training in the proper method for AV system digital program restoration for all software-based components. The AVC shall supply the Owner a copy of all AV system backup programming for all systems on CD-ROM for the purpose of AV system backup and restoration.


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7. A schedule shall be submitted to the Consultant and Owner clearly defining the training period two weeks prior to commencement of such training.

8. AVC shall provide video recorded training as requested.

1.7 QUALITY ASSURANCE

A. CONTRACTOR QUALIFICATIONS - SEE UNLV FRONT END BID DOCS

B. REFERENCES – SEE UNLV FRONT END BID DOCS

C. CONSULTANT 1. The Consultant reserves the right to inspect any of these installations and question the

user and owner concerning the installations without presence of the AV Contractor and at the direction of the Owner.

D. QUALITY OF MATERIALS AND EQUIPMENT


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1. All materials and equipment supplied by the AV Contractor shall be new and shall meet or exceed the latest published specification of the manufacturer in all respects.

2. The AV Contractor shall supply, at a minimum, the latest model, available at the time of bidding, of each piece of equipment.

3. The materials and completed Work of this Section shall conform to the applicable requirements of all current local and state codes, and of the following reference codes: a. Occupational Safety and Health Act of 1970 and all amendments thereto b. National Electrical Code, ANSI C1, as amended by all state and local codes c. Uniform Building Code d. All Authorities Having Jurisdiction (AHJ)

1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver equipment in manufacturer's original undamaged packages or in bulk packing, which provides equivalent protection.

B. Store packaged equipment off ground or slab in manner to protect them from elements, especially moisture damage.

C. As no storage is available by General Contractor, AVC must be flexible with multiple equipment delivery locations and times.

D. Timely delivery and installation of material required for the Work of this Section is the responsibility of the AV Contractor. The AVC shall be held responsible for all delays associated with both the specified and alternate materials, and for the timely submittal of proposals, submittal items, drawings, and other information in order to expedite the Work and to avoid delays.

E. Costs of all shipping to the site, and of all storage requirements shall be borne by the AV Contractor. It shall be the responsibility of the AVC to make appropriate arrangements, and to coordinate with authorized personnel at the site, for the proper acceptance.

F. During the installation, and up to the date of final acceptance, the AV Contractor shall be under obligation to protect his finished and unfinished work against damage and loss. In the event of such damage or loss, he shall replace or repair such work at no cost to the Owner.

1.9 COORDINATION

A. GENERAL 1. Because the proposed work is to be accomplished with partial attachment to an existing

occupied building, the Contractor shall make every effort to keep noise levels to a minimum. In cases where extreme or disruptive noise levels are expected, coordinate with the engineer for convenient times with the owner for that work. The AVC should thoroughly examine the scope of work to anticipate excessive noise level periods and should prepare his proposals accordingly if after hours work is required.

B. JOB SITE SUPERVISION 1. The contractor shall provide a working project superintendent to oversee the work of their

employees and subcontractors. 2. The General Contractor shall be the point of contact for the work. All communications shall

be directed through the General Contractor.

C. SPECIFIC SITE CONDITIONS


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1. The construction work should be performed during normal job-site work hours. The AVC shall be required to coordinate all construction activity to eliminate impact on traffic and normal operations of existing tenants.

2. Outages shall be requested two days in advance in writing through the General Contractor. The timing of outages shall be agreed upon between the Owner, the Building Engineer, the General Contractor and Contractors.

3. The AVC shall be responsible to survey all areas to locate poke-thrus, furniture openings, sleeves, conduits, cable trays, conduit stub-ups, back boxes and pull boxes provided by others for the A/V cabling.

4. The AVC shall be responsible for verifying on-site conditions of all systems, equipment and conditions that directly or indirectly affect the AV Contractor’s scope of work to include, but not limited to: a. Walls painted b. Carpet or other floor covering installed c. All power and conduit installed as per project drawings and schedules d. All A/V devices installed by the EC or GC such as projection screens, screen low

voltage control interfaces, A/V back boxes, A/V floor boxes, room lighting A/V interfaces, window shade low voltage control interfaces, and drop down integrated rigging points

e. All A/V related CATV, data, ISDN, T-1, IP, voice and analog lines f. All A/V related furniture installed such as lecterns, credenzas, board/conference

tables, closets and other millwork designed to house A/V equipment 5. The AVC shall be responsible for meeting project schedule dates regardless of local

disputes. 6. The AVC shall be responsible for protection of his work from all environmental conditions.

Any delivery schedules affected by environmental conditions shall be noted to the CM not less than 72 hours prior to the day of scheduled delivery with just cause documented in writing.

7. The AVC shall meet all local, state, and federal building and fire codes.

D. SEQUENCING AND SCHEDULING 1. The AV Contractor shall maintain a running progress report. The AVC shall submit this

report upon request of the Consultant, Architect, GC, or Owner at any time during the contract period. This report shall include, but is not limited to: a. Time line for each installation activity b. Percentage of completion of each activity c. Continuous vertical lines to identify the first working day of each week d. Illustrate how start of a given activity depends on completion of preceding activities

and how completion of a given activity may restrain start of subsequent activities e. Identify the critical path f. Status of the installation detailing all remaining critical tasks g. Requests for receiving major equipment and material shipments h. Requests for subcontractors to enter the job site i. Requests for utility service disconnection and connections j. Delays and stoppages – any delays or stoppages shall not affect the scheduled

completion date unless instructed otherwise by the GC k. Emergencies and accidents l. Losses of material and property

1.10 WARRANTY


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A. The system warranty shall be for twelve (12) months from the date of final acceptance and be inclusive of all necessary parts and labor. AVC to provide all equipment, material, and labor required to uphold a full system warranty at no charge to the Owner. All manufacturers’ equipment warranties shall be activated in the Owner’s name and shall commence on the date of final acceptance. In the case of any equipment that has been modified from the factory conditions where the manufacturer’s warranty has been voided, AVC to provide the Owner with a warranty equivalent to that of the original manufacturer.

B. Inclusive to the system warranty AVC to provide a minimum of two (2) on-site Preventative Maintenance Calls (PMC) after final acceptance. PMC to consist of a minimum of two (2), two (2) day visits or thirty-two (32) engineering / service labor hours. Each PMC will include the cleaning of video and audio equipment, fans and filters, checking and replacing projection lamps and indicators, checking and repairing microphones and microphone cables, and conducting subjective and objective tests of the audio, video, and control systems of the installed audiovisual systems. Control system programming updates and modifications are to be included as part of PMC and an updated editable copy of the source code should be provided to the Owner upon completion of the PMC. AVC shall provide a report of all PMC activates upon completion of each visitation

C. AVC to provide a technical service telephone number, which will be staffed by a qualified technician familiar with the equipment installed by the AVC in the Owner Facility. Technical support phone line should be staffed during normal operating hours of the Owner’s facility.

D. AVC to respond with an on-site technician within 24-hours of a service call (including) Saturdays and Sundays) for all equipment and system failures that occur during the warranty period.

E. There shall be no cost to the Owner for maintenance performed during the warranty period beyond the fixed cost of the contracts. AVC to replace or repair, at no cost to the Owner, any failed equipment hardware or software installations required to provide full system operations.

F. AVC to provide at minimum of two (2) program updates to the Control System after delivery of systems as part of the 12 month warranty. Program updates could include, but would not be limited to: 1. Add / Remove control feature sets of equipment 2. Add / Remove / Modify touchscreen pages and interface elements 3. Add / Remove / Modify automated task workflows

G. Provide loaner equipment that is fully compatible with the audiovisual systems for any equipment not field repairable.

PART 2 - PRODUCTS

2.1 GENERAL

A. All equipment and material shall be new and of the latest model offered by the manufacturer.

B. Material and equipment specified herein have been selected as the basis of acceptable quality and performance and have been coordinated to function as components of the specified systems. Where a particular material, device, piece of equipment or system is specified, the current manufacturer's specification for the same shall be considered to be a part of these specifications, as if completely contained herein in every detail. Each material, device or piece of equipment


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provided hereunder shall comply with all of the manufacturer's published specifications for that item.

C. Care shall be taken during installation to prevent chips, scratches, dents, and other cosmetic damage to the product. It shall continue to be the Contractor’s responsible to protect all material from damage and/or theft once installed prior to Owner’s acceptance and handover. Any damaged products must be repaired or replaced prior to commissioning.

D. All equipment shall be rack mounted and/or permanently attached. All power supplies, rack mounts, interconnects, brackets, etc., shall be included while they may not be specifically called out herein.

E. All racks to be properly labeled in front and back with engraved Lamicoid labels denoting equipment reference to match the relevant drawings. All patch bays to be labeled with printed labels at each patch point under factory-supplied removable covers. Patch bay labeling to denote specific patch point function as well as room designation.

F. Any equipment with front-panel controls that are not required for daily use shall be furnished with protective covers to prevent unwanted or inadvertent tampering.

G. Provide quantity as shown on Contract Drawings or where not shown on Contract Drawings, provide quantity as shown on BOM.

H. All equipment and components shall be products of firms regularly engaged in the manufacture of electronic and/or audio equipment and components.

I. The audiovisual equipment specified consists of all major equipment for the project. The AVC shall integrate all components and provide any additional components, wiring, or accessories required to complete a functional system.

J. Subject to the functional and minimum performance requirements for each item, the Consultant may require independent laboratory tests proving equivalence of certain alternative equipment not fully or adequately described by the technical specification of the manufacturer. Any and all costs arising from equivalency testing shall solely and completely be the responsibility of the AVC.

K. Verify with all manufacturers and/or suppliers’ availability and cost of all material and equipment proposed, including all material and equipment specified herein. No cost increases shall be allowed for manufacturers’ cost increases, or for substitutions required because of unavailability of proposed equipment.

L. The manufacturer specifications shall be considered as minimum performance levels of acceptance. Where a particular model is specified, its performance, operating, and physical characteristics are part of these specifications. Further, these characteristics are part of a design as a whole and particularly the Architect’s and Engineer’s designs are in full coordination with these characteristics.

2.2 SUBSTITUTIONS - SEE UNLV FRONT END BID DOCS


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2.3 EQUIPMENT LIST

A. See Attachment BOM

PART 3 - EXECUTION

3.1 GENERAL

A. Any item of equipment or hardware not specifically shown on the drawings or specified herein that is required for proper system operation or installation, shall be furnished and installed and be of the highest quality available.

B. The performance of all equipment must meet the most recently published manufacturer’s data sheet.

3.2 EQUIPMENT LAYOUT

A. The equipment layout and locations shall be as detailed herein and in the A/V drawings as well as all architectural, ID, and electrical drawings.

3.3 PROJECT MEETINGS

A. It shall be the responsibility of the AVC to supply any necessary requested information and have its project supervisor in attendance at all project meetings in order to coordinate with all related trades.

3.4 COORDINATION


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A. All work of this Section shall be coordinated with existing campus wide IT systems.

B. The AVC shall coordinate the finish required for all fixtures, plates, panels, grilles, and enclosures supplied as part of this specification section with the Architect, Interior Designer and Owner. The AVC shall supply finish samples as requested.

C. The AVC shall be responsible for coordination with the Millworker for any A/V items to be built or mounted into millwork.

D. It shall be the responsibility of the AVC to cooperate at all times with all contractors doing work on the project, to the end that lost time, work stoppages, interference, and inefficiencies do not occur.

E. Maintain constant communications with all designated personnel of the CM and attend all construction meetings as requested by the CM.

F. Coordinate the switch over of all systems, subsystems, and software with Owner operations and maintenance personnel as designated by the CM.

G. Perform field surveys to determine existing cabling and mechanical conditions. 1. Verify existing as built documents and conditions including cable labeling and ensure new

documentation and installation cabling is coordinated and appropriately labeled.

3.5 FABRICATION AND INSTALLATION

A. GENERAL 1. All installation practices shall be in accordance with, but not limited to, these specifications

and drawings. Installation shall be performed in accordance with the applicable standards, requirements, and recommendations of authorities having jurisdiction.

2. If, in the opinion of the AV Contractor, an installation practice is desired or required, which is contrary to these specifications or drawings, a written request for modification shall be made to the Consultant. Modifications shall not commence without written approval from the Consultant.

3. The AVC must take such precautions as are necessary to guard against electromagnetic and electrostatic hum, to supply adequate ventilation, and to install the equipment so as to provide maximum safety to the operator.

B. ELECTRICAL 1. All AV electrical equipment shall be manufactured and installed with the capability for

regular maintenance, inspection and testing to provide for safe and practical operation. 2. All electrical connection components must adhere to appropriate construction standards

regarding conductance, isolation, mechanical strength and protection. 3. All current conducting components of electrical equipment and appliances shall be

completely free of ground connections. This requires that all active components be fully insulated from grounding.

4. All exposed metal within the electrical installations (other than the current-carrying parts) must be properly grounded.

5. All AV equipment and installations must be protected against accidental over-currents including short circuits by circuit breakers or fuses, which shall be correctly rated for the circuit it is protecting; including overload, short-circuit and in-rush currents.

6. Protective devices should not interrupt grounded lines, unless multi-pole circuit breakers or switches are used which disconnect all lines simultaneously.


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7. A diversity factor may be applied to the calculation of conductor sizing and to the rating of switchgear provided that the known or anticipated operating conditions are suitable for the application of diversity. Calculations should be based upon the full load ratings, the characteristic of the equipment, and the operating conditions.

C. EQUIPMENT RACKS 1. All equipment listed must be mounted into equipment racks. Rack sizes listed in

specification are estimates only. Rack size and type will vary based on purpose, location, equipment contained, and access. All racks shall be pre-wired in the contractor’s shop and tested as a complete assembly prior to delivery to the site.

2. All panels will be black. All controls and connectors will have engraved labels. The minimum allowable label size is 3/16". All labels will be back filled with white paint. All connectors will be mounted with machine hardware. All panel layouts and labels must be submitted and approved prior to construction.

3. Wire each equipment rack as a unit to self-contained terminal strips or other multi-pair connection device. All connections to adjacent equipment racks and/or control lines, input lines, and output lines shall be made via terminal strip or multi-pair connections.

4. Run all microphone and line level wiring in the equipment racks on the equipment input side of the rack and all AC, control, and speaker wiring on the equipment output side of the rack.

5. All non-line voltage wiring shall be run within the rack in plastic wiring duct with snap-in slot design, such as Panduit Type E, or equal, and provided with snap on duct cover.

6. All wiring between racks shall be fully protected in conduit or in cable trays. 7. Provide unused rack space with blank or ventilating panels. 8. Wire all racks completely in the shop. No internal rack wiring shall be done on the job site. 9. Install all rack-mounted equipment and devices in equipment racks in a logical, functional

manner, demonstrative of signal flow within the respective system. 10. Install equipment in racks with ventilating panels and fans as required to provide adequate

ventilation and according to equipment manufacturer’s recommendations. 11. Equipment racks in the same room shall be firmly attached to each other, both

mechanically and electrically, in order to provide a good ground connection between adjacent racks.

12. Equipment racks of this system shall be totally isolated from equipment racks of other systems.

13. Provide each rack with protective plastic covers for run sheets, rack elevation, and single-line drawings.

14. Access to components and wiring installed in racks shall be as follows: a. AV racks must be located to be fully accessible for servicing with front access.

Where possible, racks to also be supplied with side or rear access. b. All equipment to be provided with adequate service loops (cable connections) to

allow all equipment to be fully removed from the rack without the need to disconnect any cables.

c. All equipment with front loaded connectors to be mounted with rack ears to recess equipment so that the connectors have adequate space to allow it to be installed and not interfere with door or any other obstacle.

15. Electrical a. All AV equipment racks shall have pre-wired AC power distribution strips that

conform to an approved testing laboratory specifications. b. The power conductors of the distribution strips shall be brought to a power junction

box attached to the inside of the rack enclosure and shall be isolated with appropriately sized two-pole circuit breakers.


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c. Each circuit shall consist of 2 line conductors and a dedicated insulated equipment grounding conductor of equal current-carrying capacity, which shall connect to the equipment rack at the ground buss bar.

d. Provide one (1) each extra outlet per blank space. e. Provide at least one (1) each dedicated service outlet per rack. f. All power supplies shall be located, oriented, and connected electrically so as to

minimize hum and RFI interference. Further, all plug-in type power supplies shall be firmly attached using mechanical fasteners to its associated power receptacle to insure against accidental removal and/or connection loss.

g. Ventilation and Cooling: 1) AV equipment racks are to be fitted within air-conditioned spaces in order that

component’s operating temperatures do not exceed manufacturers’ recommendations.

2) If rack is not located within technical space, proper furniture with adequate ventilation will be supplied to architectural design.

D. WIRING AND CABLE HARNESSES 1. Enclosures containing harnessed conductors shall be sized so that the wiring harness may

be neatly bundled together and distributed in an orderly fashion. Bundled cable harnesses shall not interfere with the enclosure door(s) or latch(s), or intrude into the clearance space allocated for dressed conductor termination.

2. All shielded cables shall be insulated. Shields shall not contact conduit, raceways, boxes, panels, or equipment enclosures.

3. Service loops shall be maintained in or adjacent to all enclosures, termination cabinets, racks, and junction boxes. Service loops shall not be excessive in length causing undue crowding in cable raceways. Cables shall be neatly harnessed and dressed with Builder approved cable ties.

4. All cables shall be harnessed according to professional practices and to prevent mechanical stress on electrical connections. No cable shall be supported by a connection point.

5. All wire and cable shall be continuous and splice free for the entire length of run between designated connections or terminations.

6. All cables shall be terminated with ferrules as applicable. 7. When connection stranded wire to compression screw terminals, do not tin the wire ends.

When inserting wires into a compression terminal, take proper care to insert only the stripped portion of the cable.

8. Care shall be exercised in wiring so as to avoid damage to the cables and to the equipment. All joints and connections shall be made with rosin-core electrical solder or with mechanical connectors approved by the Consultant.

9. All cable ties shall be cut flush with the boot so as not to cut into adjacent cabling or scratch personnel servicing racks.

10. Individual cables shall exit the harness at the same elevation as the equipment to which the cables terminate.

11. The number of wires per terminal lug or crimp shall not exceed the manufacturer’s specifications.

12. Wiring harnesses shall be dressed into non-conductive cable raceways per signal type separation requirements. The raceways shall be mounted to the inside rear of the rack enclosure. Extra cable length may be provided as a service loop inside the raceways.

13. The rack-to-rack interconnect cable assemblies shall be prefabricated to lengths estimated based on the relative positions of racks, with a minimum of excess length to be routed through the cable tray.


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14. Pin-outs for all connectors shall be designated in the Construction Drawing prior to installation.

15. Serial data interfaces shall be wired using appropriate cable with an overall shield. These cables shall be terminated with an appropriate connector that plug directly into the serially controlled device.

16. Data and signal cables are to be provided with 10% spare conductors. 17. Cable groupings to be separated by signal level. 18. Microphone and AC power shall be separated by not less than 20”. All other signal levels

shall be separated by not less than 4”. 19. All cables shall be grouped together according to the signals being carried. In order to

reduce signal contamination, separate groups shall be formed for the following cables: a. Power cables b. Control cables c. Video cables d. Audio cables carrying signals less than -20 dBm e. Audio cables carrying signals between -20 dBm and +20 dBm f. Audio cables carrying signals above +20 dBm

20. Cables running in plenum spaces without conduit shall be plenum rated cable. Cables running in areas exposed to environmental factors such as, but not limited to, UV, chemicals, direct burial, etc. shall be rated for such exposure and shall match the performance characteristics of its equivalent cable as specified.

21. No cable shall be installed with a bend radius less than that recommended by the cable manufacturer.

22. Spare cables will be included with all field runs. Quantity to be 10% or 1, whichever is greater unless otherwise specified.

E. PATCH PANEL ASSIGNMENTS & DESIGNATIONS 1. All patch panels shall be wired so that signal “sources” (outputs from) appear on the upper

row of a row pair, and all “loads” (inputs to) appear on the lower row of a row pair. 2. All audio and video patch panel designation strips shall utilize alphanumeric identifications

and descriptive information. The jack position in each horizontal row shall be numbered sequentially from left to right. The horizontal jack rows shall be lettered sequentially from top to bottom. The alphanumeric identification of each jack shall be included on the functional block drawings.

F. TERMINATION ENCLOSURES (BACK BOXES) 1. All cables intended for connection to wall, floor, or ceiling mounted panels shall terminate

in the appropriately rated termination enclosure (back box). Termination of wires and cable, without an appropriately rated enclosure, will be considered to be defective, and will require replacement. In the event that appropriate service loops and clearance cannot be maintained, the wire and cables will require replacement at the Vendor’s cost.

2. Cross-connect and distribution enclosures, containing termination points, shall have modular terminals mounted in rows arranged in a logical and serviceable fashion. Modular terminals shall be mounted on rails designed for that purpose. End blocks, side covers, and label strips shall be provided for the terminal series being used. The cable labels shall be clearly visible and aligned in the same orientation for easy identification.

3. All cables and wires (with the exception of line-voltage electrical) shall be terminated with the appropriately sized ferrules. Ferrules shall be crimped with ratchet style crimpers only.

4. All wiring connections shall be secured so they cannot work loose under normal vibration conditions.

5. The Audio-Visual Contractor shall field verify all back box installation conditions on site.


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G. TERMINATIONS 1. Proper termination tools and practices shall be used during the termination process. All

crimp-type connections shall be performed with controlled cycle crimp tools designed for the specific termination being performed. Coaxial crimp-type connectors shall be selected for the cable type being terminated. Crimping shall be performed per the connector manufacturer’s instructions.

2. All cables will be permanently labeled at every termination. 3. Service loops of not less than 12” will be present at all terminations to equipment. 4. Where terminal blocks or barrier strips are used:

a. Use only un-insulated fork terminals with a brazed seam b. Sized terminals according to wire and stud sizes c. Crimped with notch across from the seam

5. Barrier strips shall be used on equipment where provided. 6. Where shielded cable is in use:

a. Leave shield drain wire the same length as the circuit conductor(s) b. Sleeve shield drain wire in green PVC tubing c. Cap where the cable jacket was removed with heat shrink d. Where the shield drain wire is to be lifted follow the above and fold back over cable

jacket. Then cap ends with heat shrink. Two smaller pieces of heat shrink are to be used for this task rather than one large piece

7. All soldering will be clean and neat and not exhibit evidence of a "cold" joint. Use only rosin core "electronic type" solder.

8. All installation processes including heat-treating, coating, adhesive bonding, and fastening shall be performed in strict accordance with the manufacturer’s instructions.

9. Polarity (Audio) shall comply as follows: a. The "high" side will be connected to

1) “Pin 2” on XLR connectors 2) The tip on 1/4" and TT connectors 3) The pin on phono connectors

b. The " low " side will be connected to 1) “Pin 3” on XLR connectors 2) The ring on 1/4" and TT balanced connectors 3) The case on phono connectors

c. Microphones will be wired so that an acoustic compression at the diaphragm produces a positive going signal on “Pin 2” with respect to “Pin 3”.

d. Speakers will be wired so that when a positive going signal is applied to the + or red terminal an acoustic compression is produced.

e. The system will be wired to maintain absolute polarity through all system components to ensure that a positive signal on “Pin 2” or tip produces a positive signal at the + or red speaker terminal.

10. Polarity (Lighting and effects) shall comply as follows: a. XLR connector wiring for use in the DMX data distribution system shall conform to

the USITT 5-pin standard. b. All power connectors shall be wired to conform to the USITT and American NEC

standards. 11. Shield grounding for audio shall comply with the following to eliminate any possibility of

ground loops: a. Do not tie pin 1 to the case of XLR connectors anywhere b. Microphone shield drain wires will be grounded only at mixer inputs. Where

microphone lines and mixer inputs run though a patch bay, connect the shield drain wire to only to the sleeve of the patch bay connector


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c. Line level interconnects will have the shield drain wire (ground) lifted at the receiver and connected at the source

d. All audio low-level signal lines will be balanced and floating e. Should any other situation arise which would form a ground loop, please inform the

Consultant for direction

H. STRUCTURED CABLING 1. All Data station cables shall match the Owner’s IT standards specification, and shall meet

the requirements published in the specifications for TIA/EIA 568-B 2. All patch panels shall be designed to fit within standard 19” equipment racks. If modular

patch panels are specified, the panels shall contain the quantity of RJ45 modular connectors as identified in the drawings or specifications. Any blank or spare ports shall be filled with blank inserts.

3. All data patch cords shall be factory assembled patch cords. All patch cords shall meet the performance characteristics of the Horizontal cable being specified. The quantity of LAN patch cords shall be equal to the number of active data ports installed within the project. Patch cord length shall be equal to the minimum factory produced length that will allow cross connection and interconnection to be accomplished by the owner without hindrance while allowing minimum bend radius and adequate strain relief to be maintained at all times.

4. Build industry standard cable runways where needed. 5. Any and all raceway products shall use minimum 1-inch bend radius fittings for TIA/EIA

compliance. Cable Fill rates are to be determined by the Contractor, however may not exceed TIA/EIA maximum wire fill recommendations.

6. In order for unshielded twisted-pair cabling infrastructure to deliver high-speed performance, it is manufactured to very tight specifications. Consequently, to maintain the unshielded twisted-pair cabling system performance proper installation practices must be followed. Listed below are some requirements that shall be followed: a. Do not exceed the minimum bend of 4 x outside diameter (OD) for 4 pair UTP, 10 x

OD for multi pair (more than 4 pair) UTP, 1.18 in. for two fiber cable, and 10 x OD for multi-fiber cable.

b. Per TIA/EIA 568-B never un-twist the pairs of cable beyond the absolute minimum required for termination. Without exception the connectors have no “twist” separation of the copper connectors from the IDC on each and every termination.

c. The cable jacket on UTP shall only be stripped back the minimum required to terminate to connecting hardware.

d. Cable management panels shall be used when terminating cable. e. Maximum cable lengths shall not be exceeded.

7. UTP cables shall meet the requirements of: a. ANSI/TIA/EIA-568-B b. ISO/IEC 11801

8. All connecting hardware and patch cords shall also meet, as a minimum, all the requirements including the electrical and mechanical performance requirements of: a. CSA b. UL 1863 c. ANSI/TIA/EIA-568-B d. ISO/IEC 11801 e. ISO/IEC 60603-7 f. CENELEC EN50173: 1995 g. NEC, NFPA70

9. Testing of individual components and channel shall be conducted in accordance with the following standards:


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a. ASTM D 4566-94, Standard Test Methods for Electrical Performance Properties of Insulation and Jackets for Telecommunications Wire and Cable, 1994

b. ANSI/TIA/EIA-568-B, Commercial Building Telecommunications Standard c. ISO/IEC 11801

10. High speed unshielded twisted pair (UTP) data cable shall be performance verified using an automated test set. This test set shall be capable of testing for the continuity and length parameters defined above, and provide results for the following tests: a. Near End Cross-Talk (NEXT) b. Power Sum Near End Cross-Talk (PSNEXT) c. Attenuation d. Ambient Noise e. Attenuation to Cross-Talk Ratio (ACR) f. Line Mapping g. Cable Length h. Return Loss i. Equal Level Far-End CrossTalk (ELFEXT) j. Power Sum Equal Level Far-End CrossTalk (PSELFEXT) k. Propagation Delay l. Delay Skew

11. AVC shall conduct or coordinate testing with relevant contractors. Testing results shall be made available at the start of commissioning.

I. MOUNTING AND ATTACHMENT 1. All mounting and attachment methods shall follow industry approved and recommended

practices and shall be designed for applicable static and dynamic loads. 2. All AV equipment mounted overhead shall be attached to a mounting device designed for

that purpose and shall be installed as intended by the manufacturer. AVC to coordinate any custom mounting as well as physical attachment to the facility structure with the project Structural Engineer.

3. Brackets and suspension systems shall be rated for the weight of the entire assembly, with the appropriate safety factor as defined by the project Structural Engineer.

4. Separate safety cable shall be provided for all overhead items (lights, loudspeakers, video projectors, etc.) Safety cables shall attach directly to the suspended device and a structural member capable of supporting the load. Safety cables and their fittings shall be designed to withstand impact loads in any direction and shall permit replacement of the device without damaging the safety cable or attachment fittings.

5. Threaded Connections a. For any non-permanent installation (i.e. equipment requiring servicing), threaded

through-bolting shall be used for attachment. b. All nuts and bolts used together shall be matched in grade and shall conform to U.S.

Standard (ANSI, ASTM, and SAE). c. All load-bearing fasteners shall employ a nylock locking system that can be verified

by visual inspection. Split washers, star washers and any thread-damaging nuts, as well as double nuts are not acceptable.

6. Welded Connections a. All welding shall be performed by qualified welders and shall meet corrosion, final

finish, structural, and fatigue requirements. b. Welds shall be designed for static and dynamic loading conditions as appropriate

for the intended application. c. The design of the structure must be sufficient to prevent stress cracking of the welds

or parent material.


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d. High residual stresses in components, resulting from manufacturing processes including welding and thermal treatment, shall be reduced where possible, or the design shall be such that these stresses are fully accommodated.

J. LABELING 1. All cables will be labeled at all termination points. 2. The label will not be hand written. 3. Clear heat shrink will cover the label. 4. All labeled equipment will be labeled front and rear. 5. Labels will functionally describe the use of each piece of equipment. 6. On equipment with multiple channels, each channel will be labeled. 7. Equipment label will call out equipment designation, which will correspond with the

designations shown on the approved contractor’s one-line diagram. 8. Labels will be engraved Lamicoid, white letters on black background, with a minimum letter

size of 0.25” unless otherwise specified. 9. Each end of each cable in the AV systems shall be identified with a unique cable marker

which matches the cable markings shall be shown on the construction drawing package. The cable markers shall be of the self-laminating type or protected with clear heat- shrinkable tubing.

10. All user cables shall be labeled as to their function. User cables include audio, video, VGA, control or other connector cables that the user is required to handle during normal system setup and use.

11. All equipment racks shall include the following identification rack panel, supplied by the AVC, mounted on the front of the rack in the top space: a. SYSTEM DESIGNED BY: Coherent Design, Las Vegas, NV,

www.coherentdesign.com (logo/artwork will be made available to AVC for use) b. SYSTEM FABRICATED & INSTALLED BY: Contractor Name, full address,

telephone number.

3.6 GROUNDING

A. The AVC shall follow NEC Article 640 and all local codes for grounding practices on all of the audiovisual equipment and equipment racks.

B. All RGB video lines to external devices exceeding 100 feet or being powered from different power panels shall have suitable line drivers and isolation as specified herein.

C. It shall be the responsibility of the AVC to follow good engineering practices. At no time shall there be a compromise in safety or any exception to the NEC and local codes.

D. Ground equipment, racks, and audio line shields to independent audio system ground ONLY as shown on drawings, as per NEC 250.146(D), NEC 640.7, NEC 640.23(B), or as specified herein.

E. Ground all conduits ONLY to power system ground. Insulate all conduits and electrical boxes from this system including equipment racks, and audio system ground per NEC 640.23(B).

F. Ground case of power strips/channels in equipment racks to the racks and insulate from power system ground.

G. Provide a separate ground lead from each amplifier chassis and from each of the other items of equipment normally requiring grounding to the rack ground buss.


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H. Insulate all conductors in conduit, including shields, from the conduit, back boxes, and from each other for the entire conduit length.

I. At each group of racks, provide a single labeled Isolated Ground bus bar terminal strip to land the individual labeled rack grounds.

J. At each rack, provide a lug bonded to the rack frame with a minimum #8 TW stranded wire to the Isolated Ground bus central to the rack group.

K. Equipment signal ground shall be to the Isolated Ground System via the green wire of the equipment power cord. Where equipment uses tow (2) wire power cord, provide a green bond wire to the rack IG bus bar, with gauge equal to the equipment main’s power supply conductors.

L. Cable shields shall only be grounded by a single path to Isolated Ground, unless otherwise noted.

M. Shields shall be tied to Isolated Ground at the driving or transmitting end of a run or circuit only, unless otherwise noted.

N. The resistance of the ground system from common ground point at racks to building ground point shall not exceed 0.1 ohm.

O. Provide Isolated Ground receptacles typical for all power receptacles for all equipment.

P. The AVC and EC shall ensure that ONLY the audio-visual equipment is connected to the A/V dedicated ground system.

3.7 AC POWER

A. The AVC shall ensure the EC has provided adequate power circuits and the grounding scheme is in accordance with the GROUNDING paragraph herein.

B. If a dedicated A/V power system is part of this design, the AVC shall ensure that ONLY the audio-visual equipment is hooked up to this dedicated ac power system.

3.8 OFFSITE SYSTEM TEST

A. Before onsite installation, the AVC shall be prepared to perform system checkout under the supervision of the Owner and Consultant at his shop. AVC shall furnish all required test equipment and shall perform all work necessary to determine and/or modify performance of the system to meet the requirements of this specification. This work shall include the following: 1. Test all audio and video systems for compliance with the Performance Standards. 2. Check all control functions, from all controlling devices for proper operations. 3. Visual inspection and grounding continuity tests of all equipment racks.

B. False Start. If the AVC has not completed the offsite system work to a satisfactory level as outlined by the standards and system test procedures above, a notice of False Start shall be issued and the AVC shall reimburse the Owner and Consultant for all time and expenses for consecutive visits to the AVC’s shop.

3.9 CUSTOM SOFTWARE AND PROGRAMMING


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A. It is required that The AVC be experienced in programming systems with this complexity. Contractors shall allow enough time in their bid to permit extensive programming of all software configurable audio, video and control systems to the requirements of the client and consultant. The AVC shall break out cost associated with programming of these systems for review by the Consultant. By submitting this bid, The AVC agrees that they understand systems of this type and that all programming services are included to the satisfaction of the Consultant. The AVC further agrees that they will not make any claim for additional monies because of misinterpretation of programming requirements.

B. Supply of “Intellectual Property Release” with an editable version of all project source code for all digital signal processing, control, digital signage and any other microprocessor-based systems included on this project installed on owner-furnished personal computer and on portable media.

3.10 PRE-COMMISSIONING AND CONTRACTOR TESTING

Prior to the AV Contractor calling for official system commissioning and handover, all systems shall be fully pre-commissioned and verified. This process shall involve completing all tests that are planned to be performed during the official commissioning in order to head off any major issues during the official commissioning process. Test reports shall be provided to the Consultant before arrival on site for commissioning.

3.11 COMMISSIONING

A. The primary purpose of the official Commission process is to provide the Consultant and Owner the opportunity to fully test and inspect the installation practices and functionality of all systems. The AV Contractor is to demonstrate to the Consultant in each room the operational functionality of the following: 1. Video projection systems inclusive of all projector and screen functionality 2. Video processing and routing systems 3. Video teleconferencing systems 4. AV connection panels 5. Audio reinforcement systems inclusive of audio playback, routing, and control 6. Integrated control system inclusive of programming and touch panel interfaces 7. System drawings with markups to be present and provided 8. All test and verification reports to be present for testing

B. TESTS AND ADJUSTMENTS 1. Prior to Acceptance Tests being scheduled, the AVC shall perform his own system

checkout. He shall furnish all required test equipment and shall perform all work necessary to determine and/or modify performance of the system to meet the requirements of this specification. This work shall include the following: a. Maintain documentation of all performance tests for reference by the Consultant

during the System Acceptance Tests. b. Test all audio, video and control systems for compliance with the Performance

Standards. c. Adjust, balance, and align all equipment for optimum quality and to meet the

manufacturer’s published specifications. Establish and mark normal settings for all level controls, and record these settings in the “System Operation and Maintenance Manual”

2. Provide all required test equipment specified herein (or equal) to successfully complete the tests and adjustments. Kits, home-built, and other non-professional test equipment shall not be acceptable.


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a. Video signal generator, Extron VTG 400D b. RF digital broadcast signal meter, Sencore SLM1476CM c. 100 MHz dual trace oscilloscope d. Blu-Ray test material e. RGBHV cable, HDMI cable, SDI cable f. Audio and Video terminations, adapters, etc. g. AC millivolt meter, Fluke h. Audio test set, Audio Precision P1PLUS i. Pink noise generator, Ivie IE-20B j. Spectrum analyzer, Ivie IE-30A k. Audio test CD l. Loudspeaker and Microphone polarity checker m. SMPTE 311M test set, Gepco SMPTE-304TS n. Microphone and Speaker cable test set, Whirlwind SC46EP

Network cable test set, Fluke DTX-1800 3. Perform the following inspections and adjustments, and submit to the Consultant the

written results of each inspection for inclusion in the permanent records of the audio and video system: a. AUDIO

1) Measure and record the impedance of each active device operating as a source to any passive device or series of passive devices. Record the dc resistance of any build-out resistors used.

2) Measure and record the input impedance of any active device used to terminate passive devices, and record the total impedance of all such devices. Record the dc resistance of any terminating resistor used.

3) Measure the absolute polarity of all devices, including all loudspeakers in the signal path, correct and record any reversals.

4) Adjust the gain of all devices in the signal path for optimum signal-to-noise ratio and maximum crest factor.

5) Without changing gain, terminate microphone and line-level inputs, with shielded resistors of 150 and 600 ohms respectively.

6) Measure and record the overall hum and noise level at each power amplifier output. Level shall be at least 75 dB below rated power output of amplifier over a bandwidth of 40-16,000 Hz.

7) Measure and record the impedance of each loudspeaker line at 250, 1000, and 4000 Hz before connecting it to the output of its respective amplifier.

8) Load power amplifiers with resistors matching nominal impedance of output terminals used in system in place of actual loudspeaker loads.

9) Adjust gain of system as for hum and noise level tests above. 10) Apply 1,000 Hz. Sine-wave signals to each microphone and line-level input at

level required to produce measured full amplifier output. 11) THD shall measure less than 1.0%. 12) Set up system for each specified mode of operation. 13) Use wide-bandwidth oscilloscope and loudspeaker monitoring. 14) Check to ensure that system is free of spurious oscillation and RF pickup in

the absence of any input signal and also with the system momentarily driven to full output at 400 Hz.

15) Feed full/wide-dynamic range music to the system. Adjust the system for frequent peaks at its specified maximum sound pressure level.

16) Listen carefully for noise, rattle, or other extraneous sounds, and objectionable distortion.


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17) Correct all causes of such defects. If cause is outside system, promptly notify the Construction Manager, and the Consultant, indicating cause and suggested corrective procedures.

18) Measure and record the acoustic distribution of the loudspeakers of this system at locations as designated by the Consultant, one (1) in every zone. Record the location of all positions where any 1/3 octave band, deviates more than +/-3 dB from 500 Hz to 4 kHz, weighted by –5 at 800 Hz re:2500 Hz.

b. VIDEO 1) Utilizing an HDTV color bar generator and waveform analyzer with the video

signal set at 100% saturation and 75% amplitude check that the video performance specifications are met at the display devices from all source inputs to all system outputs. Connect the combined waveform monitor/ vector scope to a final output point, e.g. an input to a picture monitor or video projector. Ensure that the test signal is routed to the selected output.

2) For all RGBHV inputs, connect the RGBHV output of the signal generator to a floor box/table/rack connector and select the SMPTE & PLUGE signal at the following computer scan rates: a) 640 x 480 31.5kHz H, 60Hz V b) 640 x 480 37.5kHz H, 75Hz V c) 800 x 600 38kHz H, 60Hz V d) 1024 x 768 48kHz H, 60Hz V e) 1280 x 1024 64kHz H, 60Hz V f) 480P, 720P, and 1080P

3) Check that the image is correctly displayed at all system outputs including the monitor(s) and/or by the video projector.

4) Repeat using Crosshatch, Checkerboard, and H Pattern Signals 5) Check all Hybrid Broadcast cabling using SMPTE 311M test set

C. SYSTEM ACCEPTANCE TESTS 1. System Acceptance Tests shall not be performed until the Contractor's System Checkout

has been completed. The System Acceptance Tests shall be supervised by the Consultant, Owner Representative and Construction Manager and shall consist of the following: a. A physical inventory shall be taken of all equipment on site and shall be compared

to equipment lists in the specification section documents. b. The Contractor shall demonstrate the operation of all system equipment. c. Both subjective and objective tests shall be required by the Consultant, Owner’s

Representative to determine compliance with the specifications. The AVC shall be responsible for providing test equipment for these tests.

d. All final, “as-built" drawings, run sheets, manuals, and other required documents, otherwise known as “Close Out Documents” as detailed herein, shall be on hand. Two complete sets of these documents shall be delivered to the Owner at this time. (One complete set shall have been delivered to each the Consultant and General Contractor prior to the scheduling of Acceptance Tests).

e. In the event further adjustment is required, or defective equipment must be repaired or replaced, tests may be suspended or continued at the option of the Consultant and/or Owner

2. False Start. If the AVC has not completed the system installation to a satisfactory level as outlined by the standards and procedures as outlined herein, a notice of False Start shall be issued and the AVC shall reimburse the Owner and Consultant for all time and expenses for consecutive visits and re-testing at the site.


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3.12 PERFORMANCE

A. AUDIO 1. The audio system shall not produce any unintended noise (for example, buzz, hum, hiss,

pops, clicks or RF interference). 2. At the maximum distance as designated by the Consultant the audio systems shall be

capable of supplying the following SPL program levels plus a minimum 10 dB peaking factor over a bandwidth of 60 Hz to 8 kHz without deformation of the waveform as observed on a SMAART measurement system. a. Classroom Systems – 92 dB b. Divisible Meeting Rooms – 96 dB c. Lecture Hall – 96 dB

3. Distribution of the sound in the listening area from 60 Hz to 8 kHz shall vary not more than +/-3.0 dB at any location, as measured in octaves with a SMAART measurement system.

4. The system shall provide adequate dynamic range at an acoustic distortion level sufficiently low to ensure minimum listening fatigue and an adequate level of intelligibility acceptable to the Owner and Consultant. The intelligibility is based on listeners not familiar with the message, or talker; no visual cues; normal activity; and moving position both within and between zones.

5. Unless restricted by the published specifications of a particular piece of equipment or unless otherwise required under the Detailed Specifications, the following performance standards shall be met by each system: a. S/N (including cross talk and hum) 80 dB minimum b. Total Harmonic Distortion .5% maximum from 30 Hz to 16 kHz c. Frequency Response within plus or minus 1.0 dB, 30 Hz to 16 kHz

B. VIDEO 1. The video system shall not add any change to the intended image such as hum bars, digital

artifacts, delay or distortion. 2. Video displays (monitors and projectors/screens) shall have no visible noise displayed on

the image area when no video signal is present or when the display is not intended to display an image.

3. Unless restricted by the published specifications of a particular piece of equipment or unless otherwise required under the Detailed Specifications, the following performance standards shall be met by each system: a. S/N un-weighted DC to 5 MHz 55 dB minimum b. Frequency Response Within plus or minus 0.5 dB to 5 MHz c. Line and Field-Tilt 2% maximum d. Differential Gain 3 % maximum e. Differential Phase 2 degrees maximum

4. All video projection systems shall meet the following performance standards: a. The total light output from a projector, in lumens, shall be within plus or minus 15%

of that specified by the projector manufacturer b. The light meter used for the above measurements shall be a properly calibrated foot-

candle (or Lux) meter and shall be cosine-corrected c. Projectors, lenses, and mirrors shall be solidly mounted and braced s that there shall

be no observable movement in the image induced by motor vibration or other mechanical operations.

C. PERFORMANCE TEST SIGNAL PATHS


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1. AUDIO - From all source inputs (for microphones, audio tape units, video tape units, etc.) through all mixers, audio distribution amplifiers, digital signal processors, switchers, etc., to all signal destinations.

2. VIDEO – From all source inputs (for cameras, playback units, laptop inputs, etc.) through all processors, switchers, etc., to all signal destinations.

3. LAN – From all LAN device ports to all Patch Bays to all LAN field devices.

END OF SECTION

SECTION 27 41 16 INTEGRATED AUDIO-VIDEO SYSTEMS … I Section... · SAA and NSE Buildings 27 41 16...

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Transcript of SECTION 27 41 16 INTEGRATED AUDIO-VIDEO SYSTEMS … I Section... · SAA and NSE Buildings 27 41 16...