Public Works Department-PWD has published Tender For Name Of Works 1 To 3 Moei , Fans And Rmo Pump Sets, Ac Equipment, Dg Set Installed At Cpo Building, Kashmere Gate, Delhi.. Submission Date for this Tender is 17-05-2023. Electrical Maintenance Tenders in delhi Delhi. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 15-May-2023 | amendment | Other | 17-05-2023 |
| Sl. No. | Item Description |
| 1 | SH: 1 (AUDIO SYSTEM FOR URDU ACADEMY HALL) Supply, installation, testing & commissioning of compact2-way full range, 300W RMS, 8 ohms, LF Custom made 10” driver ferrite magnet, 2.5” in/out Voice coil + 1" exit HF, Frequency Response 90Hz-18khz, Average Sensitivity - 97dB/W/m,Max SPL 127db peak ,Nominal Directivity - 75° conical Above 1200Hz ), etc. complete as required. |
| 2 | Supply, installation, testing & commissioning of Professional Dual channel Power amplifier, 2x 400W @ 8 ohms or above, 2 x 600W @ 4 ohms or above,Sensitivity - 0.775v ,Frequency Responce: 20- 20000Hz , Input Impedence - 20K, Crosstalk - >65dB, S/ N ratio - > 110dB or better, Damping Factor - 500 or better, THD - < 0.1% , Slew Rate - 15V / us or better, complete as reqd. |
| 3 | Supply installation testing & commissioning of Digital Controller 2 in x 6 Out Networkable Loudspeaker Management System,High precision 32-bit floating point TEXAS INSTRUMENT DSP (48kHz sampling rate)24-bit D/A converters with 118B dynamic range and audiophile grade preamps, On each output: Routing, Delay, Gain, HPF and LPF filters (up to 48dB/oct), 8 filters (PEQ and Shelving), Compressor / Limiter (Threshold, Attack, Release, Ratio), etc complete as required. |
| 4 | Supply, installation, testing and commissioning of Dynamic Vocal Microphone, polar pattern Super cardioid, Frequency Response 55–15,000 Hz, Sensitivity –54.5 dBV/Pa (1.85 mV) 1 Pa = 94 dB SPL, Impedance 600 ohms, Switch ON/OFF, Complete as reqd. at site. |
| 5 | Supply, Laying and Fixing of speaker lines: 2 core, 1.5 sq mm high defintion speaker cable, PVC insulated in PVC jacket laid in existing conduits as reqd. |
| 6 | Supply Laying & Fixing of Microphone lines high grade, professional low-noise, 2 crore high conductivity PVC insulated in PVC jacket, shielded copper cable with Di- electric insulator both end with XLR m/f connector , complete as required |
| 7 | SH: 2 (AUDIO SYSTEM for Conference room at Election Commission conference room, New Delhi) Supplying, Installation, testing & commissioning of High quality, high definition two way monitor speaker with 5” Polypropylene LF driver with rubber surround, 1’’ Silk dome tweeter for smooth HF response, Power Handling (AES Standard) 50W RMS / 100W Program / 200W Peak, Nominal Impedance 8 ohms, Frequency Response (-6db Half space) 70Hz – 20KHz, Average Sensitivity 85dB/W/m, Calculated Max SPL 101dB Continuous / 104dB Program / 107dB Peak, In-built LMT for 100V/8 ohm operation, multiple tapping, etc complete as required. |
| 8 | Supply, Installation Testing commissioning of Mixer amplifer 4-16 ohm, with 250W RMS output power, 70V/100V output, USB/Bluetooth Media player, 6 zones available, 2 Aux and 3 microphone inputs, Alarm signal & evacuation signal for emergency, Chime for public address, Frequency Response: ±0.1 dB from 20 Hz to 20 kHz at 1 watt, Total Harmonic Distortion: 0.05%, Intermodulation Distortion: <0.35% (60Hz and 7kHz at 4:1, from full rated output to -30dB, Signal-to-Noise Ratio: >80dB, CMRR (20 Hz to 1 kHz): > 55 dB, typically > 70 dB, Crosstalk: > 80 dB (below rated power, 20 Hz to 1 kHz), Damping Factor: >800 from 10 Hz to 400 Hz, 12/24V output for broadcast emergency announcement, toroidal transformer, 3-pin Combo XLR, RCA, etc complete as required. |
| 9 | Supply installation testing & commissioning of Power amplifier with Power Source 220 - 240 V AC, Rated Output 240 W, Power Consumption 238 W (EN60065), 15 A (DC operation at rated output), Frequency Response 50 Hz - 20 kHz (±3 dB), Distortion 1 % or less at 1 kHz, Input Line in: 0 dB*, distance between barriers: 8.3 mm (0.33"), Speaker line in: 40 dB*, distance between barriers: 8.3 mm (0.33"), Power remote control: Make contact, Output Loop out: 0 dB*, distance between barriers: 8.3 mm (0.33"), Speaker out: Balanced (floating), High impedance: 42 O (100 V), Low impedance: 4 O (31 V), S/N Ratio 60 dB or more, Tone Control Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz, etc complete as required. |
| 10 | Supply, installation, testing and commissioning of Dynamic Vocal Microphone, polar pattern Super cardioid, Frequency Response 55–15,000 Hz, Sensitivity –54.5 dBV/Pa (1.85 mV) 1 Pa = 94 dB SPL, Impedance 600 ohms, Switch ON/OFF, Complete as reqd. at site. |
| 11 | Supply, Laying and Fixing of speaker lines: 2 core, 1.5 sq mm high defintion speaker cable, PVC insulated in PVC jacket laid in existing conduits as reqd. |
| 12 | Supply Laying & Fixing of Microphone lines high grade, professional low-noise, 2 crore high conductivity PVC insulated in PVC jacket, shielded copper cable with Di- electric insulator both end with XLR m/f connector , complete as required |
| 13 | SH: 1 (PA systemofkaveri hostel) SITC of wall mounting box speaker with Elliptical 6x4” full range driver, Power Handling (AES Standard): 12W RMS / 24W Program / 48W Peak , rated input min. 12W/100V, Nominal Impedance: 1667 / 3333 / 6666 ohmsfrequency response 150Hz to 11KHz, SPL at 1W (at 1kHz,1M): 91dB Continuous / 94dB Program / 97dB Peak, LMT Tapping 3W / 6W / 12W, etc complete as required. |
| 14 | Supply, Installation Testing commissioning of Mixer amplifier 4-16 ohm, with 250W RMS output power, 70V/100V output, USB/Bluetooth Media player, 6 zones available, 2 Aux and 3 microphone inputs, Alarm signal & evacuation signal for emergency, Chime for public address, Frequency Response: ±0.1 dB from 20 Hz to 20 kHz at 1 watt, Total Harmonic Distortion: 0.05%, Intermodulation Distortion: <0.35% (60Hz and 7kHz at 4:1, from full rated output to -30dB, Signal-to-Noise Ratio: >80dB, CMRR (20 Hz to 1 kHz): > 55 dB, typically > 70 dB, Crosstalk: > 80 dB (below rated power, 20 Hz to 1 kHz), Damping Factor: >800 from 10 Hz to 400 Hz, 12/24V output for broadcast emergency announcement, toroidal transformer, 3-pin Combo XLR, RCA, etc complete as required. |
| 15 | Supply Installation testing & Commissioning of 16.5" Gooseneck cardioid Microphone, polar pattern cardioid, Frequency Range 70-16000 Hz, Sensitivity14mV/Pa, Dynamic Range>106dB. Complete with mic base unit etc. , complete as required. |
| 16 | Supply installation testing &commissioningof Cordless Handheld Microphone with UHF frequency (8 Selectable Frequencies) with 10 MV RF output, etc. complete as required. |
| 17 | Supply Installation testing & Commissioning of main SYSTEM RACK - M.S. Rack (minimum 18 U) with Power indicator, power sockets and isolator fitted duly prewired to accommodate Control Room equipment’se.g. Amplifiers, Controller, Equalizer, etc complete as required. |
| 18 | Supply, laying & Fixing ofSpeaker Lines: 2-Core, 1.5 sq mmHigh definition Speaker Cable, PVC insulated in PVC jacket laid in existing conduits, etc complete as reqd. |
| 19 | Supplying and drawing of STP 4 pair CAT 6 LAN Cable in the existing surface/ recessed steel/ PVC conduit, etc complete as reqd. |
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