SITC of Public Address System for TL-3, BARC,Vizag

Centralized control Unit: SITC IP-based Digital Public Address and Emergency Sound System Controller; Including Mixer, - EN-54-16 certified (certificate must be submitted along with full reports) - Minimum 16 zones, - 4 or more different audio inputs, - Integration with Telephone exchange (zone-wise announcement through analog & IP phones), Fire alarm system, Emergency evacuation system and BMS. Any interface module required for above integrations, shall be supplied along with the controller. - Hot standby redundancy feature, - System shall be capable to handle at least 12 Amplifiers & 6 call stations without additional license. - Includes Background Music Player & emergency siren (1kHz sine wave, configurable duty cycle) - Control of volume & frequency response of each zone, Controller with DSP - Monitoring & LED indication of system faults, - Support Audio over IP: AES67 or Dante; - Control signals & Status monitoring through IP - Frequency response: 20 Hz to 20 kHz; - Redundant network connectivity (more than one Ethernet port) - Configuration, Control and Status monitoring of the system: preferably Built‑in webserver (user interface) shall be available, Else the same can be done through any software, which shall be included here with a lifetime license. - Audio sample rate: 48 kHz with 24‑bit sample size - Scheduling of voice messages, event-specific voice messages - Compatible with conventional Analog amplifiers as well as Digital amplifiers. - Rack mounting accessories to be supplied. - Power Supply: 230 V AC & 12/24/48 V DC Battery as emergency power supply - 3 year onsite OEM warranty, SITC

Class-D multi channel Amplifier Pool: SITC - EN-54/16 Certified (certificate must be submitted along with full reports) - Total Max power for working Amplifier pool: Minimum 4000 Watt for evacuation signal. Here, the capacity of only working channel shall be considered, without adding the standby channel capacity. - Total RMS power shall be at least 30% of gross (rated) signal amplification capacity, i.e. 1200W. - 100% channel redundancy: A stand-by channel for all working amplifier channels shall be available. Power delivery capacity of the spare channel shall match the capacity of the working channel. In case of failure of any amplifier channel, stand-by channel shall come in line without manual intervention. - The pool should have a minimum 8 number of channels, for zone wise announcement, where each zone shall be capable to deliver 500 Watt minimum; - The Amplifier pool shall be modular in nature to prevent the complete dysfunctioning of the system caused by a single failure. - Indication of system status & faults shall be available on front facia of the amplifiers. - S/N ratio (minimum): 100 dBA or 75 dB - Speaker line Output: 100 V system - Amplifier shall support Type-A wiring topology of speakers line - Frequency response (-3 dB): 100 Hz to 20 kHz, - THD: less than 1% at rated load. - Support Audio over IP: AES67 or Dante - Protection: Overload, short circuit, over-temperature - Power Supply: 230 V AC and 12/24/48 VDC Battery - Rack mounting accessories to be supplied. - 3 Year onsite OEM warranty

Emergency Power Supply: SITC - Consists of an Electronic charging unit & a Battery bank - Back-up requirement: minimum 30 min at 3600 Watt load, and 24 hours for an idle system. - Output: 3600 Watt or more, at output voltage shall be compatible to the controller & amplifier - Charger input: 170 V AC to 270 VAC @ 47 to 60 Hz - Charger efficiency: 85% or more - Suitable Mounting stand for batteries, - Cable for input & output connectivity: 10 meter for input and 20 meter for output, with suitable current ratings. - Protection: Surge in input voltage, short circuit (input & output side), Overload at output, Reverse current from battery, Battery deep discharge protection, Reverse polarity, Over-heating of electronic unit, - Signalling: Main’s fault, Output voltage fault, battery fault, battery disconnection, - All the faults shall be indicated by LEDs and potential-free contacts. - Warranty: 2 years or more complete onsite OEM warranty

Call Station: SITC - Desktop, with a gooseneck mic for the PA system with zone selection. - It should be able to play live speech, pre-recorded messages and Music, - Status indication: active, system busy, Link fail, etc - Signal to Noise Ratio (SNR): > 70 dBA - Frequency response: 200 Hz to 14 kHz or better - Monitor loudspeaker with adjustable volume - High Sensitivity - Including Power supply adapter, 2 number for each call station. - 3 year OEM Warranty

Ceiling mount speaker with Fire-dome: SITC - EN-54 Certified - Rated power: 6 Watt or more - Frequency Range (-10 dB): 150 Hz ± 50 Hz to 18K Hz ± 1 kHz; - Sensitivity: min 92 dB (1 mtr distance, 1 kHz, 1Watt power); 'OR' Sound pressure level (rated power, 4 m, 100 Hz - 10 kHz) (dB), acc. EN 54-24 should be 83 dB or more - Dispersion angle 4 kHz, attenuation up to -6 dB: 65° (H) x 70° (V) or more - Full/half/Quarter watt taping, - 3 year OEM Warranty

Wall mount Speaker for Labs: SITC - EN-54 Certified - Rated power: 6 Watt or more - Frequency Range (-10 dB): 170 ± 50 Hz to 16 kHz, or better; - Sensitivity: min 92 dB (1 mtr distance, 1 kHz, 1Watt power); 'OR' Sound pressure level (rated power, 4 m, 100 Hz - 10 kHz) (dB), acc. EN 54-24 should be 87 dB or more - Dispersion angle at 4 kHz, Attenuation up to -6 dB: 85° (H) x 80° (V) or better; - Full/half/Quarter watt taping, - 3 year OEM Warranty

Bi-directional Wall mount Speaker for Corridor: - Dual speakers at opposite orientation, suitable for corridor wall mounting. - Compliance with EN-54/24; - Frequency Range (-10 dB): 200 ± 50 Hz to 19 ± 1 kHz; - Sensitivity: minimum 93 dB (1 mtr distance, 1 kHz, 1Watt) 'OR' Sound pressure level (rated power, 4 m, 100 Hz - 10 kHz) (dB), acc. EN 54-24 should be 87 dB or more - Dispersion angle (for 4 kHz, up to -6dB), Both sides: 48(H) x 48(V) or better - full/half/Quarter watt taping, - 3 Year OEM Warranty

Spherical Coverage Loudspeaker: SITC - for larger area with high ceilings, - Rated Power: 25 Watt or more - Rust-proof, rugged ceiling hanging arrangement shall be included. - Sensitivity: 98 ± 2 dB at 1 mtr distance, 1 kHz, 1Watt power - Dispersion angle: around 300°(H) x 300° (V) at 1kHz / 65° (H) x 65° (V) at 4kHz - EN 54-24, - Frequency range (-10 dB): 150 ± 50 Hz to 19 ± 1 kHz

End of line device to supervise integrity of speaker loop: SITC - to test the line integrity between the speakers and the PA/VA system - 100V or 70V PA line input, - Compatible with above mentioned PA system components. - 3 year OEM warranty

Armoured Speaker cable 2C x 1.5 sq mm: SITC - Conductor: 1.5 sq mm, Class-5 flexibility, Stranded (approx 0.25 mm dia strand) Tinned Copper conductor, AS PER BS EN 50288-1 - Insulation: Extruded-PVC TYPE D, FRLS Cable 500 V AS PER BS EN 50290-2-21, Thickness 0.45 mm ± 10%, contrast colour for each core of the pair. - Approx twist per meter: 10 - Shielding: Al Mylar Tape of minimum 0.05 mm thickness with minimum 25% overlap, - Drain wire: 0.5 sq mm, multi-strand, Annealed Tinned Copper, - Inner sheath: 0.5 mm Extruded-PVC ST2 (Flexible), FRLS, - Outer Sheath: minimum 0.5 mm Extruded-PVC ST2 (Flexible), FRLS, Rodent repellant additives - Armour: GI round wires - Laying by wall clamping with saddle, max distance between clamps 500 mm. - Ferruling & Lugging (Copper) of each cable termination with documentation.