Audio-Visual Modernization Work for Tiered Smart Classroom Solution on Bill of Quantities (BOQ) Basis at NIFT Dharmashala, Kannur Campus

Supply, installation testing and commissioning of 120W Peak/60W Program/ 30W RMS power handling 2 way wall mount speaker with 1" dome tweeter and 3" low frequency driver, Frequency response -90 Hz-18kHz sensitivity @ 1W/1m @ 100V - 95 dB horizontal/vertical dispersion -100 degree following technical specification: a) Crossover- Frequency: 2.5 kHz, type : Passive built in b) Dricvers- HF: 1", LF : 3" c) Impedance: 8Ω d) Ingress Protection rating: IP 40 e) Sensitivity: (1W/1m): 85db f) Sound pressure(maxW/1m)-@100V: 95DB, @8Ω: 100dB g) Speaker type: 2 way h) RMS/AES power handling: 30W j) Peak power handling: 120W k) Program power handling: 60W l) Dispersion -Horizontal: 100degree, Vertical : 100degree m) Line transformer Tappings: 250Ω-100V/Not used-70V/20W, 500Ω-100V/20W-70V/10W, 1000Ω-100V/10W-70V/5W, 2000Ω-100V/5W-70V/2.5W

Supply, installation testing and commissioning of 120W mixer amplifier with 6 x Microphone inputs, remote Mic, Chime & Mute contacts 5-zone output selector , low impedence and constant voltage output , priority inputs with phantom power , convection cooled , protection -DC short circuit , over heating over load , signal limitng with following technical specification: a) RMS/AES power handling: 120 W b) Frequency: Response(+ 3dB): 20Hz-20kHz c) Signal/Noise:> 90db d) THD +N (@1kHz): <0.5% e)Crosstalk(@ 1kHz): >70dB f) Technology Class: A/B g) Power Supply: Transformer h) Power range: 230~240VAC/50~60Hz j) Common mode rejection ratio: 70 dB k) Input: Balanced Microphone: 1-4 l) Type: 4 x Balanced Mic/Line(-6dB/-50dB) m) Connector: 2x XLR/jack combo & 2 x XLR n) Other: 4 x 15V DC phanbton & 2 x priority o) Balanced Microphone 5: Type : 1 x balanced Mic/Line(-6 dB/-50dB) p) connector: 6.3mm Jack q) Unbaalanced sterio: Type 1 x Sterio Unbalanced line(+14dB/-30dB) r) Connector : RCA s)Other : remote mic (priority mic and Tele -paging(Priority line), Priority mute contact t)Outputs- Connector : 2 pin Euro Terminal Block (Pitch - 5.08mm), 10pin Euro Terminal u)Voltage/Impedence: 100V/4Ω

Supply, installation testing and commissioning of Cardiode condenser gooseneck microphone , frequency response 30-20000Hz integral 3-Pin XLRM type output connector. The item should be the following specifications: a) Fixed -charge back plate , permanently polarized condenser microphone element. b) Should have a cardiode polar pattern for focussed sound capture c) Should have a frequency response range of 30 Hz- 20000 Hz d) Should include a low frequency roll-off at 80 Hz with an 18dB/octave filter e) Should have an open circuit sensitivity of -39dB (11.2mV) re 1V at 1Pa f) Should have a nominal impedence of 250 Ohms for optimal signal transmision . g) Should support a maximum input sound level of 139 dB SPL at 1kHz with 1% THD. h) Should provide a dynamic range of 115dB at 1kHz at maximum SPL j) Should have a singnal-to-noise ratio of 70 db at 1 Pa k) Should operate with phantom power in the range of 11-52V DC, with a typical current draw of 2Ma l) Should have an integral 3-pin XLRM type connector for balanced audio output

Supply, installation testing and commissioning of wireless Lapel microphone system with frequency response of 60Hz -16kHz with a 2 x 4 channel frequency plan for enhanced flexibility , microphone element of condenser cardiode operating range of 60m, typical

Supply, installation testing and commissioning of 86" UHD Intreractive board cum display with 3840 x 2160 resolution , flat form factor , Annotation over any content, Anti glare toughened display, 178 x178 viewing angle ,16 x 7 duty cycle, interfaces HDMI/RJ45/USB/WIFI/BLUETOOTH/RS232 and with following specification:, a) Display size: 86 inchb) Panel type: Backlit D-LED (IPS panel)c) Panel brightness(typical0: 350 cd/m2 or mored) Response time: 8ms or lessere) Aspect ratio: 16:9f) Resolution: 3840 x 2160 or moreg) Refresh rate: 60hz or moreh) Contrast ratio (typical) : 1200:1 or morej) Viewing angle: 178degree(H)/178degree(V)k) Speaker: Built in 2 x 15Wl) Android system version: Android 11.0; CPU: Quad Core; RAM: 4GB/8GB; Blue tooth version : 5.0; Wifi frequency: 2.4GHz/5GHz or higherm) Touch support system: Windows/Android/ Linux/MacOS/Chromen) touch technology: IR o) Touch tools: Finger, Stylus, Opaque Objectsp) Surface protection: 3mm toughened glassq) Connectivity: HDMI,VGA,USB,LAN,3.5mm Mic/Line, Wifi, OPS slotr) Operating temperature: 0 degreeC -40 degree C(32 degree F -104 degree F)s) Operating humidity: 10%-90% (non-considering)t) Intel core i5, RAM 8 GB, SSD 256, OS: Window 11 or higheru) OPS ports: USB Type-C , HDMI, VGA, USB, LAN,3.5 mm line

Supply, installation testing and commissioning of 2 KVA line interactive UPS alongwith with surge protection device 9U equipment rack, cable, connectors & accessories and with following specifications: a) Protection: Over load, Short circuit, b) Rating : 2000 VA c) Input Voltage: 230V AC d) Input voltage range: 145 V-290V e) Input frequency: 45 Hz to 65 Hz f) Out put Voltage: 230 V g) Freqency: Same as Input frequency h) Output power capacity: ; 660 watts/1.1KVA j) Battery type: Maintenance free Sealed lead Acid (leak proof) k) Control panel: LED status display with On line , On battery, replace battery and Overload indicators l) Recharge time: 06 Hours m) Efficiency at full load: 72% n) Surge emnergy rating: 255jules

Steel work welded in built up tubular framed work for 6 stepped classroom floor, providing 1200 mm wide tread and 150 mm rise for each level of stepped floor, using 50 × 50 × 2 mm MS hollow square tube sections, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including necessary welding, bracings, stiffeners, cleats, base plates, anchor fasteners and all complete as required.

Providing and fixing 19 mm thick both side balancing lamination factory pressed BWP grade marine plywood conforming to IS:710 over supporting framework including necessary screws, adhesives, cutting, finishing and all complete.