West Bengal Electronics Industry Development Corporation Limited Tender

Description

Community Radio Studio- Studio Room 11'1" x 9'11" , height : 9'6''~10 ft Operating room 16'3" x 7 , height : 9'6''~10 ft Acoustic Materials for Treatment on the walls Providing and fixing framework of Acoustic Steel GI section of size 50mm x 37.5mm at 600mm x 600m cross section or similar. The frame shall fix to wall isolating it from the main building structure by special barrier systems. For low frequency treatment shall be comprised with 9-13mm composite commercial ply termite treated as a facing materials 50mm+ thick 48-kg/ cu-meter density thermal acoustic highly fire proof insulations with resin bonded mineral insulation supported with GI mesh as absorbing material fixed with acoustically certified frame. For control the reverberation time of complete bandwidth of sound for studio, providing & fixing of 50 mm thick. Resin bonded. Fiberglass wool of density 78kg/m3 with G-I mesh and thin fabric for holding the glass wool of framework or similar conforming to the following . Wall acoustics final finish by solid thick acoustic clad fabric ‘Class-O’. For maintaining the mid & high frequency reverberation under controlled artifacts non-anechoic. Measure complying to RT of 750ms-1s at 250 Hz, 500 Hz, 1 KHz, 2 KHz conforming to NC 15-20 noise level with REW, Smaart RT or EASE confirming to NC18-22

Acoustic Materials for Decoupled Isolated Mid-Wall Providing and fixing framework of good quality wood/ Steel GI section of size 50mm x 37.5mm at 600mm x 600m cross section or similar. The frame shall fix to wall isolating it from the main building structure by special barrier systems for isolated air locks. For low frequency treatment shall be comprised with 12-16mm composite commercial ply termite or calcium silicate acoustic board treated as a facing materials 50mm+ thick 78-kg/ cu-meter density thermal acoustic highly fire proof insulations with resin bonded Original Rockwool supported with GI mesh as absorbing material fixed with wooden frame. For control the reverberation time of complete bandwidth of sound for studio, providing & fixing of 50 mm thick. Resin bonded Insulation of density 78kg/m3 with G-I mesh and thin fabric for holding the insulation of framework or similar conforming to the following . Wall acoustics final finish by solid thick acoustic clad fabric ‘Class-O’. For maintaining the mid & high frequency reverberation under controlled artifacts non-anechoic. Measure complying to RT of 750ms-1s at 250 Hz, 500 Hz, 1 KHz, 2 KHz conforming to NC 15-20 noise level with REW, Smaart RT or EASE confirming to NC18-22