Tender For electrical installation Works Including Sound System For Upgradation Of A Room No 89 Into Smart Class Room In Organic Chemistry Dept Of Rajabazar Sc Ience College C Us, C.U.

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Tender for electrical installation Works Including Sound System For Upgradation Of A Room No 89 Into Smart Class Room In Organic Chemistry Dept Of Rajabazar Sc Ience College C Us, C.U. , Supply Installation Testing and Commissioning of The High-Performance, 2-Way Passive Column Speaker Designed For Versatile Sound Reinforcement Across Larger Indoor And Outdoor Environments, Such As Auditoriums, Conference Halls, Restaurants, And Places Of Worship. The Audio System Must Integrate A Transducer Complement Consisting Of Eight 3-Inch Polypropylene Woofers For Low Frequencies And A Single 1-Inch Dome Tweeter For High Frequencies, Managed By An Internal Crossover Frequency Of 1.8 Khz. It Must Deliver A Program Power Handling Of 150 W In Direct Mode, Operating With A Nominal Impedance Of 4 Ohms, While Producing A High Sensitivity Of 95 Db (1W/1M, Half-Space) For Loud, Clear, And Distortion-Free Output. The Speakers Frequency Response Must Span From 140 Hz To 18 Khz At -3 Db, With A Broader Frequency Range Of 110 Hz To 20 Khz At -10 Db, Ensuring Full-Range Coverage And Exceptional Vocal Intelligibility. To Support Flexible Installation And Varying Sound System Designs, The Unit Must Offer Euroblock Inputs And Built-In Line Transformers For Both 70V And 100V Distributed Audio Systems. Specifically, The Transformer Power Taps Must Be Selectable At 3.75 W, 7.5 W, 15 W, And 30 W For 70V Lines, And 7.5 W, 15 W, 30 W, And 60 W For 100V Lines. Physically, The Speaker Must Be Housed In A Durable 3 Mm Extruded Aluminum Cabinet Featuring A Sleek, Low-Profile Aesthetic, Protected By A Perforated Nylon Grille, And Available In Either A Black Or White Finish, With An Optional Ip66-Rated Version Available For Enhanced Weather Resistance. The Enclosure Dimensions Must Measure Exactly 869 Mm In Height, 125 Mm In Width, And 110 Mm In Depth, With A Net Weight Of 6 Kg. Finally, The System Must Include Provisions For Flexible Wall Mounting, Specifically Accommodating A Swivel Bracket To Easily Aim The Sound And Cover The Desired Architectural Interior. Make: Sonodyne; Model: Ca820 Or Equivalent , Supply Installation Testing and Commissioning of A Versatile Commercial Mixer Amplifier Designed To Deliver Reliable Audio Routing And Amplification For Professional Integration. The Amplifier Must Supply A Continuous Maximum Power Output Of 250 W Across A Single Channel, Offering Flexible Output Options For Both Low-Impedance (4 Ohms) And Constant Voltage (100V) Speaker Systems. It Must Deliver A Consistent Frequency Response Of 40 Hz To 20 Khz For Both 4-Ohm And 100V Operations, Maintaining A Signal-To-Noise Ratio Greater Than 80 Dbr And A Total Harmonic Distortion Plus Noise (Thd+N) Of Less Than 0.2% At 1 Khz. The Device Must Feature A 4-Channel Mixer Equipped With Four Balanced Xlr Microphone Inputs (With A Sensitivity Of 1.2Mvrms) And Dual Unbalanced Stereo Rca Line Inputs (With A Sensitivity Of 160Mvrms). Furthermore, It Must Provide A Balanced Xlr Line Output Rated At 760Mv At 1 Kohm And An Unbalanced Rca Record Output Rated At 220Mv At 10 Kohms. To Tailor The Audio Output, The Unit Must Include Bass Tone Controls Operating At 100 Hz (±12Db) And Treble Controls At 10 Khz (±9Db). Built-In Functionalities Must Include Selectable 12Vdc Phantom Power For Condenser Microphones, Two Channels Of Externally Defeatable Priority Vox Muting, And An Integrated 5-Tone Generator Equipped With Dedicated Volume Control Capable Of Producing Evac, Alert, Intruder, Bell, And Chime Tones. To Ensure Safe And Continuous Operation, The Hardware Must Integrate Comprehensive Electronic Protections Against Temperature Extremes, Over/Under Voltage Conditions, And Short Circuits, Supported By A Fan-Assisted Convection Cooling Systemthe System Must Operate On A 230Vac, 50-60Hz Power Supply With An Ac Power Factor Greater Than 0.8, And Function Reliably Within Ambient Temperatures Ranging From 0°C To 40°C At Up To 95% Relative Humidity. Physically, The Amplifier Must Be Housed In A Black Chassis Designed For Standard 19- Inch Rack Mounting, Occupying Exactly 2 Rack Units (2 Ru) With Precise Dimensions Of 483 Mm In Width, 365 Mm In Depth, And 88 Mm In Height. Make: Sonodyne; Model: Es250 Or Equivalent , Supply Installation Testing and Commissioning of A Professional 21-Inch Gooseneck Microphone Integrated With A Dedicated Desktop Base , Designed For Versatile Pa Applications In Conference Rooms, Boardrooms, Houses Of Worship, And Distance Learning Environments. The Audio Capture Must Be Driven By An Electret Condenser Transducer Featuring A Unidirectional Cardioid Polar Pattern, Ensuring High Gain Before Feedback And Superior Vocal Reproduction. It Must Deliver A Broad Frequency Response Spanning From 20 Hz To 20 Khz, Operating With A Sensitivity Of -40 Db And An Output Impedance Of 280 Ohms. To Guarantee Pristine Audio Quality, The Microphone Must Incorporate Anti-Mobile And Rf Interference Technology, As Well As A Switchable Low-Cut Filter To Effectively Minimize Unwanted Low-Frequency Hum And Thumps. The Hardware Must Feature A Sleek, Unobtrusive Design Terminating In A Standard Balanced Xlr Connector. Furthermore, The Included Microphone Base Must Feature A Dedicated On/Off Switch Complemented By An Led Status Indicator For Clear Operational Visibility. Finally, The Unit Must Operate Reliably When Supplied With External 11-52V Dc Phantom Power. Make: Studio Master; Model: Flex 4 Or Equivalent , Supply Installation Testing and Commissioning of A High-Quality Duet Uhf Wireless Microphone System Designed To Deliver Superior Vocal And Speech Reproduction For Professional Audio Applications. The Comprehensive Package Must Include One Handheld Microphone, One Lapel Microphone, And A Dual-Channel Non-Diversity Tabletop Receiver . The Wireless Infrastructure Must Offer 80 Selectable Channels And Guarantee The Simultaneous, Interference-Free Operation Of Both Microphones. The Microphone Capsules Are Required To Feature A Unidirectional Cardioid Polar Pattern And Deliver A Broad System Frequency Response Spanning From 40 Hz To 16 Khz. For Seamless Deployment, The System Must Incorporate An Easy Setup Process Utilizing Infrared (Ir) Synchronization, Alongside A Clear Digital Display On The Receiver For Active Frequency Indication. The Receiver Unit Must Ensure Versatile Audio Routing By Providing Individual Channel Outputs With Dedicated Level Controls, As Well As A Combined Mix Output, Utilizing Standard 1/4-Inch Jack Connectors. Finally, Power Requirements Dictate That Both The Handheld And Lapel Transmitters Must Operate Using Two Standard 1.5V Aa Batteries Each, While The Tabletop Receiver Must Function On A Supplied 240V Ac (50Hz) External Power Adapter Make: Studio Master; Model: Xr80hl; Or Equivalent , Supply Installation Testing and Commissioning of A Freestanding, Traditional-Style Presentation Podium With A Single Drawer, Optimized For Smart Classroom Integration. The Podium Must Be Constructed From Good Quality Plywood And Finished Entirely With A Durable Sunmica (Laminate) Surface. Please Note That The Exact Design, Color, And Texture Of The Sunmica Finish May Vary And Will Be Finalized As Per Customer Requirement. The Podium Must Have Overall Dimensions Of 48 Inches In Height, 24 Inches In Width, And 18 Inches In Depth. The Unit Must Feature A Spacious, Angled Reading Surface Enclosed By Raised Side Panels And A Bottom Book Stop, Providing Ample Room For Both Traditional Physical Notes And A Laptop, Tablet, Or Interactive Display. To Support Smart Classroom Audiovisual (Av) Requirements, The Top Surface Must Include Pre-Drilled Cable Management Grommets To Accommodate Gooseneck Microphones, Hdmi Cables, And Power Cords. Immediately Below The Reading Surface, The Podiums Single Integrated Drawer Must Be A Flush-Fitting, Pull-Out Design Mounted On Heavy-Duty, Full-Extension Metal Ball-Bearing Glides, Ideally Suited For The Secure Storage Of Av Remotes, Wireless Microphones, Or Classroom Tablets. The Supporting Structure Must Consist Of A Solid, Flared Pedestal Column That Allows For Discrete Internal Cable Routing Down To A Stable, Tiered Rectangular Base Platform, Keeping Wires Completely Hidden From The Audience. The Overall Construction Must Be Robust And Precision-Fitted, Ensuring A Seamless Blend Of Classic Aesthetics And Modern Technological Functionality Suitable For An Advanced Educational Environment. Make: Standard; Model: Custom; , Supply Installation Testing and Commissioning of An 86-Inch Commercial Interactive Flat Panel Display Featuring An Edla-Certified Android 14 Operating System With Full Access To The Google Play Store, Google Services, And Google Drive Integration. The Display Must Utilize An Ips Panel With An Anti-Glare (Ag) Surface Featuring A Haze Level Of 28% Or Better, Protected By A 9H Tempered Glass Face, And Deliver A 4K Uhd (3840 X 2160) Resolution. It Must Provide Exceptional Visual Performance With A Typical Brightness Of 450 Nits, A 1200:1 Native Contrast Ratio, A 30,000:1 Dynamic Contrast Ratio, And Wide 178-Degree Viewing Angles. The Screen Must Be Capable Of Reproducing 1.07 Billion Colors (10-Bit Color Depth) Covering A 68% Ntsc Color Gamut, Operating With An 8 Ms Or Better Response Time, And Ensuring A Minimum Backlight Lifespan Of 50,000 Hours. The Interactive Touch System Must Employ Precision Ir Technology Supporting Up To 40 Simultaneous Touch Points, Featuring A Rapid Touch Response Time Of Less Than 5 Ms And A High Touch Accuracy Of +/-1 Mm Or Better. Internal Computing Power Must Be Driven By An Octa-Core Processor Paired With 8 Gb Of Ram And 128 Gb Of Internal Storage, Which Must Be Further Expandable Up To 512 Gb. Comprehensive Connectivity Requirements Must Include Three Hdmi 2.0 Inputs, One Hdmi 2.0 Output, One Displayport 1.2 Input, One Vga Input, Two Usb 3.0 Type-A Ports, Two Usb 2.0 Type-A Ports, And Two Type-B Usb 2.0 Touch Interface Ports. The Systems Integrated Whiteboarding Software-Which Must Be Available , Supply Installation Testing and Commissioning of The Cables, Connectors & Interconnects Make: Reputed; , Distribution Wiring In 2X22/0.3(1.5Sq.Mm) Single Core Stranded Fr Pvc Insulated & Unsheathed Copper Wire In 20Mm Size Pvc Rigid Conduit Fr With 1X22/0.3(1.5Sq Mm) Single Core Stranded Fr Pvc Insulated..............Modular Type Switch Fixed On Mod Gi Switch Board ....2No Suitable Size Ph& N...Original Finish A) Ave Run...8Mtr. , Distribution Wiring In 1.1Kv Grade 22/0.3(1.5Sq.Mm)Single Core Stranded Fr Pvc Insulated &Unsheathed Copper Wire In 20Mm Size Pvc Rigid Conduit Fr With 1.1Kv Grade 1X22/0.3(1.5Sq.Mm)...To 6A 3Pin Mod Type Plug Socket & Switch On 4Mod Gi Switch Board.....Building Works A) On Board , S&F 240V ,16A 3Pin Mod Type Plug Socket With 16A Mod Type Switch Without Plug Top On 4 Mod Gi Mod Type Switch Board.....Continuity Wire Etc , S&F240v 4Nos 6A 3Pin Mod Type Plug Socket With 4Nos6a Mod Type Switch,16A Mod Switch Type Mcb...2Row 18 Mod Top Cover.....Continuity Wire Etc , Disrtibution Wiring In 1.1Kv Single Core Stranded Fr Pvc Insulated & Unsheathed Copper Wire In 20Mm Size Pvc Rigid Conduit Fr...As Required A)2X22/0.3(1.5Sq.Mm)+ 1X22/0.3(1.5Sq.Mm) Ecc , 2X56/0.3(4Sq.Mm)+1X36/0.3(2.5Sq.Mm)Ecc , D)2X84/0.3(6Sq.Mm)+1X56/0.3(4Sqmm) Ecc , B)2X36/0.3(2.5Sq.Mm)+ 1X22/0.3(1.5Sq Mm)Ecc , S And Fixing 240V 25A Modular Type Socket,25A Modu-Lar Type Starter,25A Modular Switch Type Dp Mcb ,6 M-Odule Gi Switch Board,Cpver Plate,..Making Necy,Co-Nnection With Copper Wirw ,Earth Continuity Wir , Fixing Only Single/Twin Flurescent Light Fitting Suspended 25Cm Below The Ceiling With 2No 20Mm Dia electrical installation Conduit Supports Fixed With L Type Ms Clamp Whose One Side Fixed On Ceiling....1.10Mtr Length , Extra Suspension Exceeding 25 Cm..1.10 Mtr Length , Supplying Of Luminaires Which Are As Follows A)Tmc 502 P 2Xt-Led Incl.Mounting Rail For Tled Lamps (Philips/Havells/C&G) , C)Tled Essential Tube 1200Mm..1600 Lumen 20W(Philips) , D)Supply & Fixing Of Ceiling Fan 1200 Mm(48) Is 374:2019 Withbldcmotor, Incl Down Rod Upto 1500Mm,Minimum Air Delivery 210M3/Min 3Star Bee Rating With Service Value 4.1 To5.1,Orient , Summer Cool, Bolt,Crompton Greaves Havells, Or Equivalent Make [2X Dia] , Labour Charges For Dismantling The Existing Wirings,Fitting & Accessories & Depositing The Same To The Authority