HHS_NIH_NIDA_SSSA-2016_234_NIA_Attachment_4.pdf

Attachment Number Four – Installation and Commissioning

INSTALLATION

GENERAL INSTALLATION PROCEDURES

A. The Contractor shall:

1. Permanently mount electronic equipment in equipment racks.

2. Follow ASDI standards as a minimum.

3. Provide shaft locks or security covers on non-user operated equipment that has front panel access.

4. Install XLR type connectors wired Pin 2 High, Pin 3 Low, and Pin1 Shield.

5. Mount all equipment, speakers, plates and panels, plumb and level.

6. Permanently install all equipment, making sure it is firmly mounted and held in place. Provide necessary equipment supports to hold and support loads with at least a 5:1 safety factor.

7. Run all wires “splice free.” Contractor shall replace wires that are kinked or nicked at the Contractor’s expense.

EQUIPMENT HOUSING

1. Install all equipment in racks according to manufacturer’s recommendations.

2. Provide adequate ventilation fans to maintain a rack temperature of less than 92 degrees Fahrenheit.

3. Provide rear support for housing-mounted equipment greater than 15” deep.

4. Allow a minimum of 20% open rack space.

5. Fill all empty spaces with blank panels, sizing as required; painted to match housing.

6. Locate operator useable equipment and patch panels at an appropriate operating height.

7. Key all door locks for each housing type (front, rear) alike.

8. Looking at the equipment racks from the rear, install all AC power and ground cabling on the left and audio and video cabling on the right. Use “Best Practices” as described by Infocomm’s Best Practices manual

9. Provide lights mounted in the top of each rack to illuminate the interior for service or maintenance. Lights should be individually switchable and placed so as to provide maximum illumination throughout the rack.

10. Provide rear-mounting rails as required for proper mounting.

PATCH PANELS

1. Locate patch panels in designated racks as shown on drawings.

2. Locate patch panels in consecutive rack spaces located approximately 46” above the floor.

3. Locate inputs from microphone input plates and floor plates near the top of the patch bay layout.

4. Locate sends and tielines near the bottom of the patch bay.

5. Normal the patch bays as directed by the Government’s Representative.

6. Provide a 24”x32” reference diagram of the patch bay system. The layout shall be easily understood. Mount the diagram behind Plexiglas in the control room close to the patch bay rack. The diagram shall show all input locations, patch normals, any console connections and interconnection of control room equipment.

LABELING

A. The Contractor shall provide:

1. An engraved lamicoid label for each piece of rack mounted equipment and attach it to the front of the equipment in a plumb, level, and permanent manner.

2. Rear mounted labeling for all rack mounted equipment.

3. An engraved label over each user-operated control describing the function or purpose of the control. Make the size of label appropriate to the location.

4. Custom project plates at the top of each equipment rack naming UCIG and the Contractor (see rack elevations for details).

5. A unique descriptor and numerical designator for each terminal strip. Show strip information on the drawings.

6. Logical and legible cable and wiring labels permanently attached to each end of each cable for easy identification.

7. Label on cables shall be adhesive style striping covered with clear, heat shrink tubing sized appropriately for the cable.

8. Wiring designator shall be alphanumeric code unique to each cable.

9. Each cable type shall be labeled starting with different destinations (i.e. mic series “Mxxx”, speaker series “Sxxx”, etc.).

10. Locate the cable label at the origination and the destination of each circuit within 2” of the connection point.

SPEAKER, PROJECTOR & SCREEN SUSPENSION

A. All speakers shall be suspended or mounted at the appropriate operating position in a safe, secure and permanent manner.

B. All equipment being flown or suspended shall have internally integrated mounting brackets to distribute the load to the rigging points on each speaker cabinet.

Contractor shall provide internal bracing as required if not incorporated into the device the manufacturer.

C. Speakers, projectors and screens to be mounted or flown shall be intentionally designed for the purpose of suspension with integrated rigging points designed into the device by the manufacturer.

D. All speakers shall have permanently attached grilles with all manufacturer logos removed.

E. All speaker cables and wiring shall disconnect from a junction box located in the same speaker cavity as the speakers or clusters.

F. Structural support members shall have a safety factor of at least 5:1.

G. All mounting hardware and wire rope shall have a safety factor of 8:1.

H. All fasteners, bridles, carabineers, quick links, shackles, etc. shall be of forged material whenever possible and shall be manufactured for rigging.

I. All speakers, speaker clusters, and rigging equipment shall be painted the same color if exposed to the public areas.

CONTRACTOR COMMISSIONING

A. Prior to energizing and testing the system, the Contractor shall ensure the following:

1. All products are installed in a proper and safe manner per the manufacturer’s instructions.

2. Insulation and shrink tubing are present where required.

3. Dust, debris, solder, splatter, etc. is removed from the site.

4. Cable is dressed, routed, and labels and all connections are consistent with regard to polarity.

5. All labeling has been provided and installed.

6. All products are neat, clean, unmarred and securely fastened.

7. All electronic devices are properly grounded.

B. The Contractor shall perform the following test and record all results in the Final Project

Manual.

1. Test each AC power outlet for proper connections for hot, neutral and ground.

2. Measure and the DC resistance for the technical ground in the equipment racks and console. Resistance should be 0.15 ohms or less.

3. Measure the impedance of each speaker line from the amplifier rack.

4. Install a 600 ohm terminating resistor at one end of each microphone or line level line. Measure the impedance of each line.

C. In addition, the Contractor shall perform the following tests:

1. Speaker Verification Test:

a. Provide a low level distinctive tone to each amplifier input.

b. Systematically turn on each amplifier, one by one, and verify that the correct speaker is being driven. Correct wiring as required for proper operation.

2. Constant Voltage Speaker test:

a. Provide a low level distinctive tone to each amplifier input.

b. Systematically turn on each amplifier, one by one, and verify that the correct speaker is being driven. Correct wiring as required for proper operation.

c. Walk the areas covered by the speakers and check for even level volume coverage. Adjust any speakers that are not correct by changing tap values as required for even volume level.

3. Speaker Polarity:

a. Use an electronic polarity checker to test each reinforcement speaker. All speakers should have the same relative polarity.

4. System Gain Adjustment:

a. Adjust each active device to have unity gain from the console output to the input of the amplifiers.

b. With all amplifiers turned off, connect a sine wave and pink noise to an input of the console. Using a RMS voltmeter, adjust the scale to an output between - 10 and 0dBu. Once level has been established, it should remain unchanged throughout the testing.

5. Signal Delay Adjustment:

a. Adjust the delay speakers to ensure proper synchronization between the main speakers and the delayed speakers.

b. Using TEF25 or SMARRT Live measure and adjust the arrival times of each speaker to be fully synchronized.

6. Amplifier Level Adjustment:

a. Adjust the gain of each amplifier to provide consistent and appropriate levels throughout the seating areas/facilities.

b. With the console and other electronic devices feeding the amplifiers adjusted as described above, adjust the output of the console to be - 10dB on the output VU meter.

c. Adjust the appropriate amplifiers to achieve 85dBA in the area covered by one of the speakers. Use a calibrated sound level meter to make the adjustments.

d. If the speaker is utilizing an active crossover, mute the individual band pass sections to adjust each section independently.

e. Start with the speaker closest to the stage area or the booth location as appropriate. Once that speaker has been adjusted to the above criteria, repeat this procedure for each speaker cabinet.

f. Amplifiers should be set to provide an average of 85dBA plus or minus 1.5dB throughout each seating section.

7. Amplifier Level Adjustment 70 volt System:

a. Adjust the level of the 70 volt systems to achieve a volume level appropriate for their location and intended use.

b. After initial amplifier adjustment, walk all areas utilizing the 70 volt systems and check for volume uniformity. If any changes of 3dB or more occur, adjust that specific area or speaker as required for even coverage.

8. Input Verification Test:

a. Using a microphone, portable signal generator, or CD player, send signal from every microphone input to the console. Check every connection location in the facility.

b. Verify that the receptacle under test appears at the correct position on the patch bay and is operating properly.

c. In a similar manner, check any other inputs or tie lines as appropriate.

9. Category 5E/6 Verifications:

a. Eight-Pin Modular jack insert, rated for the TIA/EIA-568-B.2-1

Category 6 standard, for termination of 4-pair 24 AWG 100 ohm solid unshielded twisted pair cable, un-keyed, (coordinate color) and pinned to T568-B wiring configuration.

b. Meets FCC Part 68 Subpart F with contacts plated with 50 micro-inches of gold.

c. Meets IEC 60603-7 Standard. ETL Tested and approved for Category 6 compliance.

Performance Test Test Results dB @ 250 MHz

NEXT > 46.0

PS NEXT > 42.0

FEXT > 35.1

PS FEXT > 35.2

Attenuation < 0.32

Return Loss > 16.0

Fiber Optic Cabling and Testing

d. Handling and bending of fiber optic cables shall be in such a workmanlike manner as to prevent kinks and avoid other sheath deformities. Allowable bending radius for the cable shall not be less than 10 times its diameter.

Cable chinked or flattened shall not be acceptable. Service loops of at least 15-foot shall be neatly coiled and secured, fastened and protected outside and above the point of installation.

e. Fiber optic cables shall not be run in the same conduits or floor sleeves with any other type of cable unless housed within protective inner-duct.

f. The installation shall be tested in accordance with the field test specifications defined by the TIA/EIA standard ANSI/TIA/EIA-568B.

Testing shall be done using an optical power meter meeting TIA/EIA 526- 14A standards. The Fiber Optic cable shall be tested in two directions at both 850 nm and at 1300 nm. Test results shall be submitted in writing showing the loss levels for each strand.

D. Notification:

1. Once all of the above is complete, the system is ready for inspection.

Formally notify the

2.

Government’s Representative at least seven days prior to the desired inspection date.

Final adjustments and equalization will be conducted at the time of inspection.