Installation of Sound System at Samaleswari Temple in Sambalpur District Phase 2

Installation of Sound System

Speaker: SITC of Biamplified, 2 Way Loudspeaker. The loudspeaker module shall meet the following performance criteria: Usable Frequency Range (-10dB) of 55 Hz - 18 kHz, Continuous Power Handling of >=1000W for LF & 250W for HF. Low Frequency: 1 × neodymium 14-inch woofer (4-inch voice coil), High Frequency: 6 × titanium-diaphragm, neodymium compression drivers (2-inch voice coil), The Loudspeaker shall have a Max. SPL (Peak) of >=130 dB or better for LF and 131dB for HF. It should have Horizontal dispersion pattern of 60º - 100º or better (with multiple waveguide options & Vertical dispersion of the array shall be 50 degrees or better. The loudspeaker module shall be comprised of a of Baltic birch plywood construction and shall also have built-in 70/100V Transformer of at least 400W or better, Environmental Rated for direct-exposure outdoor installations (IP55 per EN60529; IP33C per EN54-24). Approved Makes: Bose/ Meyer Sound/ L-Acoustic

SITC of OEM U-bracket along with necessary mounting acessories that allow for versatile mounting of a single loudspeaker with full 360° rotation to accommodate any installed pitch angle. Approved Makes: Custom

SITC of the speaker enclosure box of size (WxHxD) 37"x24"x24", shall be manufactured from stainless steel grade SS 304 with a minimum thickness of 1.0 mm with perforated front door. The box shall be robust, corrosion-resistant, and suitable for indoor/outdoor installation. All edges shall be properly folded and smoothened to avoid sharp corners. Welding, if any, shall be neat and ground flush. The enclosure shall have adequate provisions for speaker mounting, cable entry, and ventilation as required, with suitable gaskets or seals where applicable as per approval of Engineer-in-charge. (Approved Makes: Tata/ Jindal/ Apollo/ Nezone )

Supply & Laying heavy gauge 32mm PVC conduit along with necessary acessories as per the direction of the Engineer-in-Charge. (Approved Make: AKG/ Norpack/ Finolex)

Supplying and installing the following size of perforated hot dipped Galvanised Iron cable tray with perforation rigidly suspended from the ceiling with G.I. suspenders at a distance not more than 2.5 metres and near every junction/ joint etc, complete as per specification. 300 mm width X 50 mm depth X 1 mm thickness

Earthing with copper earth plate 600 mm x 600mm x 3.15 mm thick ISI marked including accessories and providing masonary with cover plate having loccking arrangement and watering pipe etc with charcoal and salt as required.

Supplying and laying 25 mm x 6 mm CU earth strip ISI marked on surface or in recess for connection etc as required.

Providing and fixing 8 SWG CU wire on surface or in recess for loop earthing as required.