SECTION 08 56 19

INTERCOM SYSTEMS FOR PASS WINDOWS AND ASSISTED LISTENING DEVICES

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PART  1	  GENERAL
1.1 		SECTION INCLUDES
A.		Window intercom systems.
B.		Assisted Listening:
1.		Integrated one-to-one hearing loops.
2.		Large area hearing loops.
3.		Infrared (IR)
4.		Tour guide radio frequency.
1.2 		RELATED SECTIONS
A.		Section 26 05 00 - Common Work Results for Electrical.
1.3 		SUBMITTALS
A.		Submit under provisions of Section 01 30 00.
B.		Product Data:
1.		Manufacturer's data sheets on each product to be used.
2.		Preparation instructions and recommendations.
3.		Storage and handling requirements and recommendations.
4.		Typical installation methods.
C.		Verification Samples: Two representative units of each type, size, pattern, and color.
D.		Shop Drawings: Include details of materials, construction, and finish. Include relationship with adjacent construction. 
1.4 		QUALITY ASSURANCE
A.		Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum of five years documented experience.
B.		Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.
C.		Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
1.5 		DELIVERY, STORAGE, AND HANDLING
A.		Store and handle in strict compliance with manufacturer's written instructions and recommendations.
B.		Protect from damage due to weather, excessive temperature, and construction operations.
1.6 		PROJECT CONDITIONS
A.		Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.7 		WARRANTY
A.		Manufacturer's standard limited warranty unless indicated otherwise.
PART  2	  PRODUCTS
2.1 		MANUFACTURERS
A.		Acceptable Manufacturer: Contacta Inc., which is located at:<BR />4025 Tampa Rd., Suite 1107A<BR />Oldsmar, FL 34677<BR />Tel: 616-392-3400<BR />Fax: 855-250-5667<BR />Email: request info (rmeyrav@contactainc.com);Web: https://contactainc.com 
B.		Substitutions: Not permitted.
C.		Requests for substitutions will be considered in accordance with the provisions of Section 01 60 00.
2.2 		WINDOW INTERCOM SYSTEMS
A.			Model STS-K072 - Speaker Pod and Screen Mounted Microphone System: Entry level window intercom system. Quality sound across partitions and safety screens. Staff-side speaker and microphone. Customer-side glass mounted microphone and window intercom amplifier. 
1.		Standards Compliance:
a.		CE, ROHS and WEEE.
b.		EN 55032:2015 and EN 55103-2:2009.
2.		Components:
a.		Hearing Loop and Duplex Audio Communication Amplifier: STS A31H.
b.		Customer Speaker Pod: STS-S70.
c.		Staff Loudspeaker Pod: STS-SU2.
d.		Customer Microphone: STS-M14-BENT-B.
e.		Power Supply: PS-55.
3.		Accessories:
a.		Loop Aerial: IL-AE99.
b.		Larger Base available upon request.
c.		Customer Mouse Microphone: STS-M70.
B.		Components:
1.		Model PS-55: Power Supply.
a.		Input: 100 to 240 V, 50 to 60 Hz 1 A max.
b.		Output: 14 V 2.14 A 30 W max.
c.		Dimensions (H x W x D): 1.38 x 2.08 x 3.92 inches. Weight: 0.51 lbs.
d.		Cable Length: 70.87 inches.
e.		Construction: ABS case.
f.		Finish: Black.
2.		Model STS A31H: Hearing Loop and Duplex Audio Communication Amplifier.
a.		Dimensions (H x W x D): 4.58 x 4.50 x 1.58 inches. Weight: 0.32 lbs.
b.		Construction: ABS plastic housing.
c.		Finish: Matt black, fine texture.
d.		Supply Voltage: 12-14 VDC.
e.		Quiescent Current: 100 mA typical.
f.		Operating Current: 2A typical on speech peak.
g.		Power Switch: Push on - push off; tact switch under membrane.
h.		Microphones: Electret, supply 5V via 2.2K load resistor.
i.		Speaker Output Power: RMS: 2.5 W / 8 Ohms, 4.4 W / 4 Ohms.
j.		Loop Drive Compliance: Constant current, bounded by 4V RMS and 3A RMS.
k.		Total Harmonic Distortion: Less than 5 percent; loop and speakers.
3.			Model STS-S70: Customer Speaker Pod.
a.		Dimensions: Diameter: 4.30 inch. Height: 1.50 inches; w/o inclination bracket.
b.		Inclination Bracket: 30 degrees.
c.		Inclination Bracket: 50 degrees.
d.		RMS: 5 W.
e.		Impedance: 4 Ohms.
f.		Frequency Response: 150 to 10300 Hz.
g.		Output: SPL 1W at 1M 85 dB.
4.			Model STS-SU2: Staff Loudspeaker Pod.
a.		Dimensions: Diameter: 4.30 inch. Height: 1.50 inches; w/o inclination bracket
b.		Inclination Bracket: 30 degrees.
c.		Inclination Bracket: 50 degrees.
d.		Speaker:
1)		RMS: 5 W.
2)		Impedance: 4 Ohms.
3)		Output: SPL 1W at 1M 85 dB.
4)		Frequency Response: 150 - 10300 Hz.
e.		Microphone:
1)		Directional Response: Cardioid
2)		Frequency Response: 150 - 10500 Hz
3)		Sensitivity: 49.5 dB+ 2 dB at 1 kHz
4)		Impedance: 1.6 K Ohms+ 3 percent at 1 kHz
5.			Model STS-M14-BENT-B: Customer Microphone. 
a.		Customer anti-vandal glass mounted microphone with curved tubing.
b.		Dimensions (H x W x D): 12.90 x 7.87 x 0.98 inches. Weight: 0.023 lbs.
c.		Directional Response: Omni Directional.
d.		Sensitivity: -47 dB at 1 kHz.
e.		Impedance: 680 Ohms =/- at 1kHz.
f.		Frequency Response: 70 Hz - 10300 kHz.
PART  3	  EXECUTION
3.1 		EXAMINATION
A.		Do not begin installation until the substrates have been properly constructed and prepared.
B.		If substrate preparation is the responsibility of another installer, notify Architect in writing of unsatisfactory preparation before proceeding.
3.2 		PREPARATION
A.		Clean surfaces thoroughly prior to installation.
B.		Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3 		INSTALLATION
A.		Install in accordance with manufacturer's instructions, approved submittals, and in proper relationship with adjacent construction.
3.4 		FIELD QUALITY CONTROL
A.		Field Inspection: Coordinate field inspection in accordance with appropriate sections in Division 01.
B.		Manufacturer's Services: Coordinate manufacturer's services in accordance with appropriate sections in Division 01.
3.5 		CLEANING AND PROTECTION
A.		Clean products in accordance with the manufacturers recommendations. 
B.		Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION