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| Sl. No. | Item Description |
| 1 | Auditorium Acoustics |
| 2 | Suppy and Installation of GI framework consisting of approved make50mm C Channels of thickness 0.5mm installed at a distance of 600mm appart from each other vertically. The vertical channel should be supported by a horizontal 50mm channel of thickness 0.5mm at every 1200mm along with a fixed 50mm C channel of thickness 0.5mm on the floor and ceiling. |
| 3 | Supply and install 50mm Polyster wool, a thermally bonded polyfibre acoustic infill with a 20kg/m³ density, in partitions, paneling, and ceilings. This process requires carefully cutting the material to fit and ensuring joints are tightly butted for optimal acoustic performance. |
| 4 | Supply and install 10mm wood wool panels for acoustic and thermal insulation on walls, The core of the woodwool to be Pinewood. Panels are screw-fixed with washers to ensure a flat and stable finish, leaving a recommended 4–6mm groove between boards. Following specifications to be met Density: 400 Kg/m³Weight: 4 Kg/m²Fire Class: 1 & PThermal Conductivity: 0.07 W/mk |
| 5 | Supply and installation of fabric with polyester core, acoustically-transparent face covering of choice colour, stretched by using combination 15mm PVC Tracks, polywool 10x25mm infill with framework.15mm rigid FR-PVC high strength tracks to be fixed on the wooden surface by using heavy-duty fasteners at 150mm centers on one/both sides of PVC grippers. Polywool of 10mm is then adhered on woodwool panel in between tracks .The acoustical fabric is stretched and tucked into the PVC Tracks and secured to the locking jaws with purpose-specific tucking tools to obtain smooth, taut, wrinkle-free finish. Ensure the weave of the fabric along with the surface all oriented in one direction to achieve uniform shade. |
| 6 | Supply and install 10mm Polyster wool, a thermally bonded polyfibre acoustic infill with a 20kg/m³ density, in partitions, paneling, and ceilings. This process requires carefully cutting the material to fit and ensuring joints are tightly butted for optimal acoustic performance. |
| 7 | Supply & installation of Wooden Slats made of pinewood E1 grade fiberboard, melamine finish, groove perforated slats with 2mm grooves @16mm pitch with 7.3% open area, backlined with acoustical fleece of 0.27mm thick, surface density 63g/m2,tongue-groove edge for a seamless look, 1-test FR grade, size 128 x2440x16mm, volume density of base board 700Kg/m3, weight 9Kg/m2, installed by using framework system. |
| 8 | Supply and Installation of framework system that shall include an aluminium core cross channel, thickness 0.5mm, length 2400mm, web 15mm & 27mm, depth 18mm and flanges of 7mm with suitable edge & center brackets is then fixed perpendicular to the 50mm Framework with the help of fasteners at every 400mm centers. WoodenSlats of size 128x 2440x16mm in then fixed perpendicular to 18mm Channels with suitable edge & ccentre brackets. Contractor to provide expansion joints of 3mm at every 4.88 m length wise and 4.992m width wise. |
| 9 | The ceiling framework system shall include a ceiling section channels of 80mm, fully knurled, sectional thickness 0.50mm, length 3600mm, a perimeter channel fixed along the perimeters of the wall with nylon sleeves and suitable fasteners at every 300mm centers. Suspender angle to be used with sectional thickness 0.45mm for suspending the ceiling frame from the ceiling, unequal flanges of 25 & 10mm and thickness of 0.55mm. The channels should be spaced at 600 mm centre to centre longitudenally for screwing boards of dimension 2400x1200mm and weight of 10Kg per square meter. |
| 10 | Supply and installation of perforated GFR gypsum panels, backlined with acoustical fleece, having 3mm dia circular perforations @ 8.33mm pitch in H8 pattern - 6% open area, size 1200x2400x12.5mm tapered long edges, volume density of base board 700Kgs/m3, weight 9Kgs/m2. with technical Perameters as:• Fire (Class) – 1 & P• Acoustics – NRC upto 0.8 (E300* mounting)• Climate (°C, RH) – 50, 70• Light reflectance (%) – Paint dependent• Green (VOC, RC %) – Low, 25 |
| 11 | Supply and install Polyethylene Terephthalate Panel, (PET) 9mm thick, size 1200 x 2400mm, density 220 kg/m³, Panels to be fixed on a magnesia boards paid seperately using a approved make addessive with a 12mm plywood structure ensuring proper alignment and leveled surface.The boards Should be Class A fire-rated, providing enhanced safety in interior applications.With an NRC of 0.4.Thermal conductivity of 0.039 W/mK ensures added insulation, and panels remain dimensionally stable under 50°C / 95% RH climatic conditions. |
| 12 | Supply and install 2-3mm thick high-quality carpet over flooring, in approved shade and design.Carpet to be Pasted above woodwool bords using adhesive/tacking as per standard practice, ensuring wrinkle-free finish.All edges to be neatly trimmed, joined, and tucked for a seamless appearance.Work to be completed with proper surface preparation, alignment, and workmanship as per specifications. |
| 13 | Supply and installation of 15mm black ceiling grid system with 15mm flanges incorporating a 6mm central reveal in Black colour and with a web height of 45mm and a load carrying capacity of minimum 15.68 Kgs/Sqm & minimum pull out strength of 100 Kgs. |
| 14 | Supply and Installation of Black Glasswool tiles, steppe15 edge,Glassfibre core fully encapsulated ceiling tile of size 595x595x15mm having volume density 100~110Kgs/m3, weight 1.8kg/m2 suspended using 0.3mm thick 15mm Black metal grid system. |
| 15 | Supply and installation of 16 mm thick Marine plywood board fixed securely on wall/structure for mounting of split air-conditioner indoor unit, including cutting to required size, making proper holes for refrigerant piping, drain and electrical cabling, anchoring with suitable fasteners, levelling, finishing, and complete installation ready to receive AC unit, as directed at site. Size of each Panel 0.6 x 1.5 meter |
| 16 | Doors with STC 35dBSupply, install, testing and commissioning of doors made up of 4mm Mass loaded Vinyl Sandwithced between one 18mm and one 8mm BWP plywood. Then a 50mm Layer of Rockwool is installed. Again a second layer of Mass loaded Vinyl is pasted on tufblock and covered with 18mm BWP Plywood. The door frames are mage up of wood with Gasket on all four sides |
| 17 | Partition |
| 18 | Supply and installation of Movable partitions shall be sliding/folding type panels suitable for flexible space division in a hall.Panels shall be of minimum 100 mm thickness with a rigid internal framework of aluminium/steel.Surface finish on both sides shall be decorative mica (laminate) of approved shade and texture.Core material shall be high-density sound-insulating infill to provide effective acoustic separation.Minimum sound reduction rating (STC) shall be 45 dB or as specified by the consultant.Panels shall be suspended from an overhead track system with smooth, noiseless operation.Top and bottom seals shall be mechanical or retractable type to ensure acoustic tightness.All hardware, rollers, locks, and tracks shall be corrosion-resistant and heavy-duty grade.Partition system shall be fire-retardant and comply with relevant IS codes and safety norms.Installation shall include complete fixing, alignment, testing, and commissioning as per site conditions. |
| 19 | Auditorium Sound |
| 20 | Supply, Installation, testing and commissioning of Speaker type: Passive 2-way coaxial full-range loudspeaker with horn-loaded woofer for wide application in halls, fixed installation and events.Power handling capacity shall be 250 W RMS and 1,000 W peak, capable of producing a maximum SPL of 125 dB at 1 m.Frequency response shall be nominally 48 Hz to 20 kHz for wide bandwidth audio coverage.Dispersion characteristics shall be approximately 90° horizontal × 50° vertical (H × V) for broad, even sound coverage.The loudspeaker shall have 8-ohm impedance, with 1× SpeakON®/4-pole and 1× SpeakON®/2-pole input/output connections.The cabinet shall be bass-reflex construction in durable polypropylene with a shock-resistant front grille and ergonomic aluminium handles.Mounting provisions shall include 36 mm dual tilt stand flange (0°/5°) and 6 × M10 flying points for suspension/installation flexibility.The speaker shall incorporate coaxial 15″ woofer with ferrite magnet and 1″ HF driver with ferrite magnet, with passive crossover at approximately 2 kHz. |
| 21 | Supply and Installation of Bracket shall be a universal mounting accessory specifically designed to safely support 15″ PA loudspeakers.Material of construction shall be heavy-duty steel with a durable powder-coated finish to resist corrosion and wear in professional environments.The bracket shall allow horizontal and vertical wall attachment as well as optional truss mounting using suitable clampsBracket shall provide rotation adjustment in 10° increments up to 180° with a scaling indicator for precise aiming of sound coverage.Fixing points shall include multiple screw holes for secure attachment and stability.Bracket shall include provision for neat cable feed-through to maintain tidy installation and prevent cable strain.Load capacity shall be minimum 27 kg or greater to safely support the speaker weight and dynamic load.Installation hardware (screws, anchors, safety lock screws) shall be supplied and of industrial grade quality, with installation performed as per manufacturer’s instructions for secure and compliant mounting. |
| 22 | Supply, Installation, testing and commissioning of 18 inch Powered Bass Reflex PA SubwooferSubwoofer Type: Active/Powered 18″ bass reflex PA subwoofer designed for professional audio reinforcement.Low-Frequency Driver: One 18″ custom-made woofer with ferrite magnet and 4″ voice coil for extended low-end performance.Amplifier & Power: Built-in high-efficiency digital Class-D amplifier with rated output of approximately 600 W RMS and up to 2400 W peak power.Frequency Response: Capable of producing deep bass response down to approximately 29 Hz (–10 dB), dependent on preset configuration.Maximum Sound Pressure Level: Maximum SPL of approximately 133 dB at 1 m for high output levels and dynamic bass reinforcement.DSP & Controls: Integrated DynX® digital signal processing with selectable application presets (multiple crossover frequencies and cardioid mode), switchable polarity and adjustable delay line up to ~10 m for flexible system alignment.Inputs/Outputs: Dual balanced inputs via XLR/¼″ combo connectors and dual balanced XLR outputs for daisychaining to additional systems.Cabinet & Construction: Rugged 18 mm plywood bass reflex enclosure with durable textured finish, protective front grille and ergonomically placed aluminium handles for handling and stacking.Environmental & Power Requirements: Operates from 100–240 V AC, with built-in protection circuits (excursion limiter, over-voltage, over-current, peak limiter, thermal protection) for reliable performance in varied event environments. |
| 23 | Supply, Installation, testing and commissioning of Professional 1700 W Stereo Power AmplifierAmplifier shall be a professional 2-channel stereo power amplifier suitable for PA/AV system use.Rated output power shall be 2 × 500 W @ 8 Ω, 2 × 800 W @ 4 Ω, and 1700 W bridged @ 8 Ω for flexible load operation.Amplifier design shall utilize Class-H amplification with Accelerated Transient Response (ATR) technology for efficient, high-fidelity performance.Frequency response shall be in the range of 20 Hz – 20 kHz ±0.5 dB (–10 dB point), ensuring full audio spectrum reproduction.Inputs shall be provided via balanced XLR and 1/4″ TRS connectors, compatible with professional audio sources.Outputs shall include professional locking speaker outputs (SpeakON®) and touch-proof binding posts for secure and reliable speaker connections.Protection features shall include independent DC, short-circuit, thermal and limiter protection per channel to safeguard amplifier and loudspeakers.Front panel shall include LED indicators for power, signal, clip and protection status for easy monitoring.Chassis shall be impact-resistant all-steel rackmount (2U) with front-to-back ventilation for reliable cooling in continuous operation.Amplifier shall operate from 100–240 V AC mains, with standard IEC power inlet and shall be supplied complete with rack ears and installation hardware. |
| 24 | Supply, Installation, testing and commissioning of 10″ Powered Stage Monitor Type: Active/co-powered stage monitor with integrated Class A/B amplifier for reliable on-stage monitoring.Loudspeaker Configuration: 10″ coaxial woofer with built-in 1″ high-frequency driver for homogeneous sound and reduced feedback.Power Output: Minimum 150 W RMS with 600 W peak power capability for adequate stage monitoring levels.Frequency Response: Nominally 90 Hz – 20 kHz to accurately reproduce vocal and instrument ranges.Maximum Sound Pressure Level: Minimum 121 dB (peak) at 1 m for clear and intelligible monitoring.Dispersion: Approximately 75° horizontal × 75° vertical for broad listening area coverage.Input/Output Connectivity: Balanced XLR/6.3 mm combo input and balanced XLR output for daisy chaining to additional units.Protection & Controls: Built-in short-circuit protection and limiter; front panel controls for power on/off and volume; LED indicators for power, signal, and limiter status.Cabinet & Construction: Rugged bass-reflex enclosure constructed from 15 mm plywood with durable finish, metal grille, and ergonomic handles; approximately 35° monitor angle for optimized floor wedge positioning. |
| 25 | Supply, Installation, testing and commissioning of Professional digital speaker management system with 2 analog inputs and 6 analog outputs, with digital input (SPDIF) and RTA support for system tuning and monitoring.Input/Output: 2 × electronically balanced analog XLR input channels; 6 × electronically balanced XLR output channels; 1 × digital SPDIF input.Analog Performance: Frequency response nominally 20 Hz – 20 kHz (–0.5 dBu), S/N ratio ≥ 110 dBA, THD+N ≤ 0.001% for low-distortion signal processing.DSP Engine: Built-in high-performance MARANI DSP processor with high-resolution 24-bit data and 96 kHz processing, and high-quality 24-bit AD/DA converters.Processing Functions: Each input channel shall provide parametric EQ, gain control, noise gate, RMS compressor, internal white/pink noise generator, and configurable delay.Output Processing: Each output channel shall include multi-band parametric equalization, selectable crossover filters (e.g., Butterworth, Bessel, Linkwitz-Riley), RMS compressor/limiter, and configurable output delay for time alignment.RTA Functionality: Real-Time Analyzer support with external RTA mic input for acoustic room tuning and system optimization.Control & Interface: Front panel LCD and LED metering for signal/clip indication; USB and RS485 ports for remote control and configuration via dedicated PC software, supporting multiple unit management.Presets: Shall support a minimum of 50 user-defined presets for system configurations and quick recall.Physical & Power: Rugged 19″ 1RU rackmount chassis, mains supply 90–240 V AC, IEC power inlet with power switch; supplied with necessary mounting hardware |
| 26 | Supply, Installation, testing and commissioning of Professional dual wireless handheld microphone system comprising 2 hand-held transmitters and a dual-channel diversity receiver for stable, interference-resistant RF reception.Frequency Range: Receiver and transmitters shall operate within a wide UHF carrier frequency range of approx. 522 MHz – 936 MHz for flexible deployment in varied RF environments.Receiver: Dual-channel diversity receiver with PLL synthesized oscillation, automatic frequency scanning (AFS) and clear LCD/LED indication of RF level, audio levels, channel/frequency and battery status.Transmission & Modulation: FM stereo modulation with PLL-synthesized circuitry, auto-search for interference-free frequencies and diversity antenna system for optimal RF stability and reduced drop-outs.Microphone Type & Polar Pattern: Hand-held transmitters shall use dynamic cardioid microphones suitable for speech and vocal applications, minimizing off-axis noise and feedback.Operating Range & Performance: Typical wireless operating range up to approximately 80–100 m (open space), with high signal-to-noise ratio (>105 dB) and low distortion characteristics.Audio Frequency Response: Microphone and receiver shall provide an audio frequency response of approximately 80 Hz – 18 kHz ±3 dB ensuring clear speech and vocal reproduction.Outputs: Receiver shall provide balanced XLR and unbalanced 6.3 mm phone jack outputs for connection to mixers, amplifiers or PA systems.Power & Battery: Handheld transmitters shall be powered by AA batteries (approx. 14 hr battery life); receiver shall be powered via 12 V DC adapter with included power supply.Construction: Transmitters shall have rugged metal die-cast housings for durability; the receiver shall be a 19″ rack-mountable steel unit with robust industrial-grade finish and included rack hardware. |
| 27 | Supply, Installation, testing and commissioning of \" Professional dual-channel wireless microphone system with one handheld transmitter and one bodypack transmitter, and a dual-channel diversity receiver for reliable RF reception.Operating Frequency: Receiver and transmitters shall operate within a wide UHF frequency range (e.g., 522 MHz–936 MHz) with PLL synthesized frequency control and interference-free automatic frequency scanning.Transmitter Types:• Handheld transmitter with a dynamic microphone element and cardioid polar pattern.• Bodypack transmitter with lavalier/headset microphone connector and electret condenser mic capsule (omnidirectional).RF Performance: Each transmitter shall provide high signal-to-noise ratio, low distortion and stable RF transmission with typical operating range of up to 80–100 m (open space) or as per manufacturer’s data.Audio Frequency Response: System shall provide nominal audio frequency response in the range of 45 Hz–18 kHz ±3 dB for clear vocal and speech reproduction.Receiver Features: Dual-channel diversity receiver with balanced XLR and unbalanced 6.3 mm outputs for connection to mixers, amplifiers or DSP systems; clear display/LED indicators for RF/audio level and battery status.Digital Input Capability: Receiver shall include digital audio output/input interface (e.g., SPDIF/compatible digital port) for direct digital connection to digital mixers or DSP processors (where supported). (This ensures integration with digital audio systems; specific digital standards per manufacturer requirements.)Power Supply: Receiver shall be powered via AC mains adapter (DC 12 V); transmitters powered by AA batteries with minimum 10–14 hours battery life under normal operating conditions.Construction & Accessories: Transmitters shall be housed in rugged metal/plastic enclosures with ergonomic design; receiver shall be rack-mountable with supplied rack kit and antennas. |
| 28 | Supply, Installation, testing and commissioning Wired dynamic &/or condenser microphones with balanced XLR output suitable for speech and vocal reinforcement. Dynamic type for live vocals and condenser type for clarity in speech/announcements.Capsule & Polar Pattern: Microphones shall feature high-quality capsules with cardioid/unidirectional polar pattern to minimize off-axis noise and feedback, ensuring clear speech intelligibility.Frequency Response: Microphones shall provide nominal frequency response of approx. 50 Hz – 15 kHz or better to ensure natural reproduction of human voice and speech.Sensitivity & SPL Handling: Microphones shall have adequate sensitivity and high maximum SPL handling capability to perform without distortion in live environments.Connectivity: Each microphone shall provide a three-pin XLR male connector for balanced connection to mixers, amplifiers or DSP processors.Stand: Supplied heavy-duty adjustable microphone stand (tripod/base) with boom arm for flexible positioning; height adjustable with secure locking and anti-tip stability.Stand Mount & Clip: Microphones shall be accompanied by shock-mount clip / stand clip compatible with supplied stand to reduce handling noise.Construction: Microphone bodies shall be rugged metal construction and stands shall be durable steel/metal to withstand professional use.Phantom Power (if required): Condenser microphones shall be capable of operating with +48 V phantom power supplied by mixer/processor (if applicable).Accessories: Supplied complete with XLR cables, windscreens/pop filters (for condenser types), cable management ties and user documentation. |
| 29 | Supply, Installation, testing and commissioning of Professional gooseneck-style wired microphone with electret-condenser element and cardioid polar pattern for superior speech clarity and feedback rejection.Polar Pattern: Cardioid (unidirectional) pickup to minimize off-axis noise and maximize speech intelligibility in public address and conferencing environments.Frequency Response: Shall cover 80 Hz – 18 kHz (nominal) to ensure clear reproduction of human speech and vocal frequencies.Sensitivity: Typical open-circuit sensitivity of about –55 dB ±3 dB (0 dB = 1 V/µbar at 1 kHz).Impedance: Output impedance approximately 100 Ω ±30% for compatibility with professional audio mixers and amplifiers.Maximum Input Sound Level: Minimum 115 dB SPL (1 kHz at 1% THD) to handle loud speech without distortion.Signal-to-Noise Ratio: Shall provide a minimum S/N ratio adequate for clear speech delivery (e.g., ~61 dB @ 1 Pa, 1 kHz).Power Requirements: Requires phantom power supply in the range of 11–52 V DC (typical) from the mixer/DSP/audio interface for condenser operation.Controls & Features: Integrated touch-sensitive talk switch with LED indication and selectable Push-To-Talk (PTT) and Push-To-Lock (PTL) modes; bass roll-off filter for ambient noise reduction.Construction & Mounting: Rugged gooseneck tube (approx. 12″/300 mm dual-flex length) with desktop base for stability; metal/brass build for durability in installed applications such as conference halls, courtrooms, lecture rooms, and public address systems. |
| 30 | Supply, Installation, testing and commissioning of Professional 32-channel audio mixing console (analog or digital) with high-quality mic preamps and flexible routing for live sound, PA and sound reinforcement applications.Input Channels: Minimum 32 input channels capable of handling balanced microphone and line level sources; each channel shall include high-performance mic preamps with switchable +48 V phantom power where applicable.EQ & Channel Processing: Each channel shall include multi-band equalization (minimum 3/4-band EQ on analog boards with sweepable mid bands; fully parametric EQ on digital boards), with high- and low-cut filters and gain control to shape and control signals.Auxiliary & Sub-Groups: Mixer shall provide multiple auxiliary sends (minimum 6–8) for monitor mixes/effects sends and sub-group outputs (minimum 4 groups or matrix busses) for flexible mix bus assignment and routing.Direct & Matrix Outputs: Console shall include direct outputs on each channel for external processing/recording and matrix outputs for zone/recording feeds as required.Main Outputs: Balanced main stereo outputs via XLR; additional control room/headphone outputs and recording outputs provided.Digital Features (if digital model): For digital variants, mixer shall include built-in effects engines, multi-track USB/Dante/AES digital I/O options, scene/parameter recall, and remote control capability via software/app (as applicable).Metering & Displays: Mixer shall incorporate clear LED/VU metering for input/output level monitoring, and LCD/colour displays (digital models) for easy access to channel parameters and mix overview.Construction: Rugged metal chassis with 100 mm faders (analog) or motorized faders (digital), professional connectors (balanced XLR, TRS), and integrated or external power supply unit for reliability.Power & Environment: Shall operate on standard 100–240 V AC mains with necessary protections; suitable for continuous professional operation in auditoria, halls, studios and live venues. |
| 31 | Supply, Installation, testing and commissioning 7.5 kVA Servo Voltage Stabilizer or approved equivalent for protection of audio, PA, lighting, AV, and electronic equipmentCapacity: Rated capacity 7.5 kVA (Single Phase) with continuous duty rating and ability to support connected loads without overheating.Input Voltage Range: Wide input voltage acceptance, typically 110 V – 300 V AC (adjustable) or as specified, to stabilize fluctuating mains supply.Output Voltage: Stable regulated output voltage of 230 V ±1–2% (or as specified) irrespective of input variations within the rated range.Regulation Type: Servo-controlled buck/boost mechanism using precision wound transformer and motorized servo drive for fast, accurate voltage correction.Load Handling: Designed for linear and non-linear loads including sensitive AV/electronic equipment with high crest factors; capable of handling transient surges.Response Time: Automatic voltage correction with response time typically < 20 ms to maintain safe operating voltage for connected equipment.Protection Features:• Over-voltage and under-voltage cut-off• Overload protection with automatic shutdown• Short-circuit and thermal overload protection• Phase reversal/phase failure protection (where applicable)Metering & Indication: Front panel digital/analog meters or LED/LCD display indicating input voltage, output voltage, load percentage, and fault conditions.Construction & Enclosure: Robust sheet steel enclosure with powder-coated finish; silent operation servo motor; easy-access terminals; cooling provisions (natural/forced ventilation).Standards & Compliance: Conforming to relevant BIS/IS (Bureau of Indian Standards) or equivalent international standards for safety and performance; certified for industrial/commercial use |
| 32 | Supply, laying, termination, testing and commissioning of all audio signal cables, connectors and stage patch boxes required for the complete auditorium sound reinforcement system.All audio signal cables shall be professional-grade, low-noise, balanced microphone cables, suitable for analog audio transmission, with oxygen-free copper (OFC) conductors, braided shielding and durable PVC outer jacket.Cable size shall be minimum 2-core + shield, with impedance and capacitance characteristics suitable for long-distance audio signal transmission without loss or interference.All connectors shall be industry-standard 3-pin XLR male/female connectors, metal-bodied, locking type, of approved professional make, suitable for repeated connection cycles.Stage patch boxes shall be flush-mounted or surface-mounted, heavy-duty metal enclosures with multiple XLR input/output sockets (as per drawings), clearly numbered and permanently labeled.Patch boxes shall be provided with rear termination using soldered or screw-type terminal blocks, with proper strain relief and internal cable management.Cables shall be laid in concealed conduits, cable trays or floor trenches as applicable, ensuring mechanical protection, minimum bending radius, and segregation from power cables to avoid interference.All terminations shall be neatly dressed, ferruled, soldered where required, and insulated; joints, if unavoidable, shall be made inside approved junction boxes only.Proper earthing and shielding continuity shall be ensured throughout the audio cabling system to eliminate hum, noise and ground loops.After installation, the contractor shall carry out continuity testing, polarity testing and signal testing of all audio lines, and submit test results prior to final acceptance.The system shall be commissioned in coordination with the audio equipment supplier to ensure full compatibility with mixers, DSPs, amplifiers and stage microphones. |
| 33 | Supply, installation, testing and commissioning of a professional equipment rack integrated with a mixer operating table for housing and operating the audio system.constructed from heavy-gauge CRCA steel with powder-coated finish.Rack shall be provided with front and rear lockable perforated doors and removable side panels to ensure proper ventilation, security and ease of maintenance.The rack shall include adjustable mounting rails, internal earthing bus, cable entry provisions (top and bottom), and adequate ventilation or forced cooling fans.The mixer table shall be integrated or matched with the rack, ergonomically designed to accommodate a 32-channel mixing console with sufficient workspace for operation and maintenance.Table top shall be made of high-density engineered wood / laminated MDF with scratch-resistant, anti-glare finish and rounded edges for operator safety.The mixer table shall include dedicated cut-outs or cable grommets for signal, power and network cabling to ensure neat cable management.Rack shall be pre-wired with power distribution units (PDUs), surge protection and internal grounding suitable for professional audio equipment.The complete assembly shall be structurally stable, vibration-free and suitable for continuous operation in an auditorium control environment.All racks, tables, accessories and hardware shall be supplied complete, aligned, leveled and commissioned, with workmanship meeting professional AV installation standards. |
| 34 | Seminar Hall Sound |
| 35 | Supply, Installation, testing and commissioning of 2-way passive installation loudspeaker pair or approved equivalent designed for background/foreground audio in halls, corridors and multi-use spaces.Speaker Configuration: Two-way passive loudspeaker comprising a 4″ low-frequency woofer and 0.5″ high-frequency tweeter in each enclosure.Power Handling: Rated 30 W RMS at 8 Ω impedance; suitable for connection to conventional 8 Ω amplifiers.Line-Level Taps: Designed for high-impedance distributed systems with multiple power taps on 70 V/100 V lines (e.g., 16 W/8 W/4 W/2 W on 100 V).Frequency Response: Nominal frequency range approximately 98 Hz – 20 kHz for wide audio coverage.Sensitivity & SPL: Sensitivity typically around 89 dB (1 W @ 1 m) with maximum sound pressure levels up to 103–104 dB per pair.Dispersion: Wide coverage pattern of approximately 120° horizontal × 90° vertical for uniform sound distribution.Construction: Rugged ABS plastic enclosure with durable aluminium grille and included swivel wall mounting brackets for easy installation.Connectors: Balanced/distribution connection via Euroblock screw terminals for secure and professional termination.Environmental Rating: Designed for indoor use with splash/humidity resistance (IP54) and robust build quality. |
| 36 | Supply, Installation, testing and commissioning of Amplifier with specification as follows: The unit shall deliver a rated output power of 240 W continuous into 100 V / 70 V constant voltage lines and low‑impedance loads, with total harmonic distortion (THD) < 1 % at rated output.The system shall be an all‑in‑one solution incorporating a multi‑zone amplifier, USB/SD MP3 player, with presets for background music distribution.Input facilities shall include multiple balanced microphone/line inputs capable of accepting MIC and LINE level sources, with selectable sensitivity and priority functions for paging and announcements.The amplifier shall support six (6) output zones with suitable independent zone selection, paging and call station expansion capability for zone‑specific announcements.Audio processing shall ensure a frequency response of approximately 50 Hz – 20 kHz (Line inputs) and 100 Hz – 15 kHz (Mic inputs) for clear reproduction of music and speech.The unit shall be housed in a robust 19″ rack‑mountable chassis (3U) with detachable rack brackets for table or rack installation, with mains operation at 115 V/230 V AC ±15 % (50/60 Hz).Front panel indicators and controls shall include power ON LED, input level controls, zone selection, tuner controls, and source selection for USB/SD/AM/FM.The amplifier shall provide balanced XLR and floating screw speaker outputs, with provisions for interfacing with external call stations and remote wall panels for local control. |
| 37 | Supply, Installation, testing and commissioning of professional 10‑channel audio mixing console designed for live sound reinforcement, installed AV systems, and auditorium PA applications.The console shall provide maximum 4 mono mic/line inputs and 3 stereo line inputs (total 10 channels) with balanced microphone preamps.Microphone preamplifiers shall be Yamaha “D‑PRE” discrete class‑A type or equivalent, offering low noise, high dynamic range and professional sound quality.Phantom power (+48 V) shall be provided on appropriate microphone inputs for use with condenser microphones.Each input channel shall include PAD switch, high‑pass filter (HPF), 3‑band EQ (where applicable) and one‑knob compressor on mono channels for shaping and control.Mixer shall provide main stereo output(s), monitor output, auxiliary (AUX/FX) send, and headphones output for versatile routing and monitoring.For USB/FX models (e.g., MG10XU/MG10XUF), built‑in high‑quality SPX effects and USB 2‑in/2‑out audio interface functionality with up to 24‑bit/192 kHz resolution shall be provided for integration with computers and recording systems.Mixer shall have balanced XLR and TRS input/output connectors and shall be housed in a robust metal chassis for rugged professional use.Controls and indicators shall be clear and ergonomic, with level metering and LED indicators for signal/peak and phantom power status.The unit shall operate from 100–240 V AC mains (50/60 Hz) and be supplied with necessary power adaptor/cable, user documentation and installation accessories. |
| 38 | Supply, Installation, testing and commissioning of Dual‑channel professional UHF wireless microphone system consisting of a diversity receiver, one handheld wireless transmitter and one bodypack transmitter with lavalier microphone, suitable for auditorium, stage, PA, conferences and institutional audio reinforcement use.Receiver – Dual‑Channel: Dual channel diversity receiver with PLL synthesized UHF tuning for stable RF reception and automatic interference‑free frequency selection; capable of supporting up to 10 compatible systems in the band.RF & Frequency: Operating frequency range shall be 522 MHz – 936 MHz (region‑specific band selection), with typical operating range up to 80–100 m (open space) and a receiver supporting balanced XLR and unbalanced 6.3 mm phone jack outputs.Handheld Transmitter: Wireless handheld microphone transmitter with dynamic unidirectional mic element, cardioid polar pattern, PLL synthesized RF, switchable RF power settings (10 mW/40 mW) for flexible coverage and up to ~14 hours battery life on standard AA batteries.Bodypack Transmitter & Lavalier Mic: Compact bodypack transmitter with electret condenser lavalier microphone, omnidirectional pickup, TA4M/LEMO input connector, PLL RF circuitry, switchable RF power (10 mW/40 mW) and up to ~11 hours battery life on AA cells.Audio Performance: System shall provide a frequency response of approximately 80 Hz – 18 kHz ±3 dB with high signal‑to‑noise ratio > 105 dB, low THD (< 0.7 % @1 kHz), and clear, intelligible audio suitable for speech and performance applications.Receiver Features: Receiver shall include auto antenna diversity, front‑panel indicators for RF and audio levels, channel/frequency display, and support for multiple frequency bands and pilot‑tone squelch to minimize interference.Outputs & Connectivity: Receiver shall provide balanced XLR and unbalanced 6.3 mm outputs for each channel, compatible with mixers, amplifiers, DSPs or PA systems; antennas shall be provided with mounting options.Power & Accessories: Transmitters shall be powered by replaceable AA batteries; receiver shall be powered by DC 12 V adapter supplied. The system shall include antennas, power adapter/cables, lavalier mic, belt clip, windscreen and user documentation. |
| 39 | Supply, Installation, testing and commissioning of Professional gooseneck-style wired microphone with electret-condenser element and cardioid polar pattern for superior speech clarity and feedback rejection.Polar Pattern: Cardioid (unidirectional) pickup to minimize off-axis noise and maximize speech intelligibility in public address and conferencing environments.Frequency Response: Shall cover 80 Hz – 18 kHz (nominal) to ensure clear reproduction of human speech and vocal frequencies.Sensitivity: Typical open-circuit sensitivity of about –55 dB ±3 dB (0 dB = 1 V/µbar at 1 kHz).Impedance: Output impedance approximately 100 Ω ±30% for compatibility with professional audio mixers and amplifiers.Maximum Input Sound Level: Minimum 115 dB SPL (1 kHz at 1% THD) to handle loud speech without distortion.Signal-to-Noise Ratio: Shall provide a minimum S/N ratio adequate for clear speech delivery (e.g., ~61 dB @ 1 Pa, 1 kHz).Power Requirements: Requires phantom power supply in the range of 11–52 V DC (typical) from the mixer/DSP/audio interface for condenser operation.Controls & Features: Integrated touch-sensitive talk switch with LED indication and selectable Push-To-Talk (PTT) and Push-To-Lock (PTL) modes; bass roll-off filter for ambient noise reduction.Construction & Mounting: Rugged gooseneck tube (approx. 12″/300 mm dual-flex length) with desktop base for stability; metal/brass build for durability in installed applications such as conference halls, courtrooms, lecture rooms, and public address systems. |
| 40 | Supply, laying, termination, testing and commissioning of all audio signal cables, connectors and stage patch boxes required for the complete auditorium sound reinforcement system.All audio signal cables shall be professional-grade, low-noise, balanced microphone cables, suitable for analog audio transmission, with oxygen-free copper (OFC) conductors, braided shielding and durable PVC outer jacket.Cable size shall be minimum 2-core + shield, with impedance and capacitance characteristics suitable for long-distance audio signal transmission without loss or interference.All connectors shall be industry-standard 3-pin XLR male/female connectors, metal-bodied, locking type, of approved professional make, suitable for repeated connection cycles.Stage patch boxes shall be flush-mounted or surface-mounted, heavy-duty metal enclosures with multiple XLR input/output sockets (as per drawings), clearly numbered and permanently labeled.Patch boxes shall be provided with rear termination using soldered or screw-type terminal blocks, with proper strain relief and internal cable management.Cables shall be laid in concealed conduits, cable trays or floor trenches as applicable, ensuring mechanical protection, minimum bending radius, and segregation from power cables to avoid interference.All terminations shall be neatly dressed, ferruled, soldered where required, and insulated; joints, if unavoidable, shall be made inside approved junction boxes only.Proper earthing and shielding continuity shall be ensured throughout the audio cabling system to eliminate hum, noise and ground loops.After installation, the contractor shall carry out continuity testing, polarity testing and signal testing of all audio lines, and submit test results prior to final acceptance.The system shall be commissioned in coordination with the audio equipment supplier to ensure full compatibility with mixers, DSPs, amplifiers and stage microphones. |
| 41 | supply of cables and connectors of approved brands as required/ instructed |
| 42 | Audotorium Lighting |
| 43 | Supply and installation, testing and commisoning of 15 W LED ceiling lights with natural white (≈4000 K) diffuser, providing uniform, glare-free illumination with high luminous efficacy and long life.Ceiling mounted / recessed downlight panels with frosted diffusers to ensure soft, evenly distributed light and reduced strain for occupants.Complete LED fixtures including driver and necessary mounting hardware, rated for standard 220–240 V AC mains.Installation to include electrical connection, fixing on false ceilings or surface mounting, testing, and commissioning in compliance with safety standards.Warranty and commissioning support, ensuring proper operation, correct orientation, secure fixing, and compliance with lighting design/layout; provide manufacturer warranty documentation. |
| 44 | Signages |
| 45 | Providing and fixing signage made of 6mm thick transparent /coloured acrylic sheet. The graphic is of 3mm laser cut acrylic letters in specified colours on both sides using suitable adhesiv.The signage shall be suspended from ceiling with 4mm S.S cable with suitable S.S fixtures / mounted on wall with suitable S.S brackets etc complete.All works shall be completed as per the drawing, specification and direction of the Engineer. Please Enable Macros to View BoQ information |
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