providing public address system and cctv system at the auditorium hall and fitness centre at vattiyoorkavu shooting range , thiruvananthapuram providing public address system and cctv system , electrical works , 1 . 10 . 1 : wiring for light point/ fan point/ exhaust fan point/ call bell point with 1 . 5 sq . mm frls pvc insulated copper conductor single core cable in surface / recessed medium class pvc conduit , with modular switch , modular plate , suitable gi box and earthing the point with 1 . 5 sq . mm . frls pvc insulated copper conductor single core cable etc as required . group a , 1 . 17 . 3 : supplying and drawing following sizes of frls pvc insulated copper conductor , single core cable in the existing surface / recessed steel/ pvc conduit as required . 3 x 1 . 5 sq . mm , 1 . 21 . 1 : supplying and fixing of following sizes of medium class pvc conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required . 20 mm , 1 . 27 . 3 : supplying and fixing following size/ modules , gi box alongwith modular base & cover plate for modular switches in recess etc as required . 4 module ( 125mmx75mm ) , 1 . 24 . 1 : supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc . as required . 5/6 amps switch , 1 . 24 . 3 : supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc . as required . 15/16 amp switch , 1 . 24 . 4 : supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc . as required . 3 pin 5/6 amp socket outlet , 1 . 24 . 5 : supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc . as required . 6 pin 15/16 amp socket outlet , public address system at auditorium hall , od164479/2019_2020 : supplying and laying of the mic cable on wall surface/pvc conduit with all accessories complete as required , od174412/2019_2020 : supply installation testing and commissioning of portable speaker: rms power subwoofer: 700 w , array satellites: 300 w , number of array satellites 4 , number of smartlink adapters 1 , number of subwoofers 1 , max . spl 125 db , frequency response 40 - 20000 hz , dispersion 110° horizontal x 34 °vertical , wall-mounted loudspeaker: rms power 80w , max power 160w , dispersion 110° horizontal x 110° vertical , impedance 8 ohm , portable array system: rms power 80w , max power 160w , dispersion 110° horizontal x 110° vertical , impedance 8 ohm as requiredmake: ld system , british acoustics , bose , od174413/2019_2020 : supply and providing mixer: mixer with following specification , 6 mic/line input , 3 stereo channels with 2-band eq and inputs for extra sources , 3 band eq with musiq , all inputs with level control , illuminated mute , configurable usb stereo audio in/out as requiredmake: allen; heath , british acoustics , , od174414/2019_2020 : supply and providing wired lapel microphone: wireless lapel microphone: wireless lapel microphone with following specification , digital wireless lapel mic incl . condenser , wireless reciever , body pack transmitter with frequency response:60 hz – 12 khz , polar pattern cardioid , max . sound pressure level:139 db , sensitivity:-43 . 50 dbv/pa , input impedance:22 kω as requiredmake: shure or equivalent , od174415/2019_2020 : supply and providing wireless handheld microphone: wireless handheld microphone system working range upto 75m , system distortion: 1 % , dynamic range: 90db , with cardioid dynamic vocal wireless handheld microphone , frequency range: 60 to 15 , 000 hz , output impedance: 300 ohms , receiver: channels up to 8 selectable channels make: shure or equivalent , cctv system at fitness centre , od174395/2019_2020 : supply installation testing and commissioning of ip dome camera; ip dome camera with following specification , resolution 3mp , video frame rate max 20fps@3mp , effective pixel 2048hx1536v , ir distance 30 m , image sensor 1/2 . 7 inch cmos , focus control manual , angle of view h: 81deg ( 92 ) , maximum user access 20 users , lens type fixed lens , connectivity of ethernet as required , public address system at fitness centre , od174720/2019_2020 : supply and installation of surface-mount satellites: one pair of surface-mount satellite with rms power: 12w , frequency response: 210 hz - 16 khz , nominal dispersion: 170° conical , driver size: 2 . 5" , sensitivity: 84 db spl , nominal impedance: 6 Ω as required make:bose , audac , ld system , od174827/2019_2020 : supply and installation of flush mount acoustimass bass module: 5 . 25" flush-mount acoustimass® bass module with rms power: 200 w @ 70/100 v in mono , 50 w per channel stereo @ low impedance , 100 w @ mono , frequency response: 50 hz - 230 hz , nominal dispersion: omni-directional below 200 hz , transformer taps ( 70/100 v ) : 25 w , 50 w , 100 w , 200 w with all accessories complete as required make:bose , audac , ld system , od174847/2019_2020 : supply and installation of mount kit for providing flush mount acoustimass bass module with all accessories complete as required , od174727/2019_2020 : supply and providing dvd player with connect and play content via usb , multi-format dvd and cd media playback , multi disc resume as required;make:sony , lg , philips or equivalent , od174728/2019_2020 : supply and installation of amplifier: dual channel class- d amplifier with frequency response ( +/-3db ) :20 hz-20 khz , rms power:2x150w @ 4ohm stereo , 300w @ 8ohms bridge , 2x80w @ 8 ohm stereo , signal /noise >90db: impedance 12 kω balanced , cross talk ( @ 1 khz ) : 70db switch to a standby mode when no audio signals are detected or bettermake: audac , qsc , od174774/2019_2020 : supply and laying of speaker cable in wall surface /pvc conduit with all accessories as required , od174794/2019_2020 : supply and installation of 6u rack with accessories complete as required; make: netrak or any similar