Name of Work:- SPECIAL REPAIR OF SOUND PROOFING FOR ENT AUDIOMETRY ROOM AT 5 AFH UNDER GE (AF) JORHAT
Sl. No.
Item Description
1
Dismantling wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets, any thickness, includingcover fillets complete all as specified and as directed.
2
M&L for side panelling with GI (galvanised iron) box panel frame work of 24 gauge perforated to an extent of 70% and of 4\\" thick box panels of (8'x1') in dimension. The panels with 4\\" (100mm) thick box panel should have infill acoustic material density varies from 32 & 16 Kg/cum (glass wool as acoustic material). The material should have the ability to attain 50% insertion loss and attenuate incident sound energy from frequencies that are concentrated in the 125 to 8000 Hz range to meet the ANSI standards. The external surface having cladded with noise reduction coefficient rated fabric and the encapsulated panels will be secured to floor with mild steel track frame work made up of 16 gauge of \\"U'' channel approx size 20mmx105mmx40mm and fastened to the door complete all as specified and as directed.
3
All as per Serial item No. 2 here-in-before but for ceiling panel having mild steel angle frame work (16 gauge mild steel powder coated ''L'' angle of size 50x50mm) to support the ceiling panel.
4
M&L for floor of 8mm thick underlay of neoprene rubber sheet over which 5mm thick loop pile carpet, the material attenuates the low frequency waves 125 to 4K Hz and les interference from low frequency sound complete all as specified and as directed. Please Enable Macros to View BoQ information
5
M&L for floor of 8mm thick underlay of neoprene rubber sheet over which 5mm thick loop pile carpet, the material attenuates the low frequency waves 125 to 4K Hz and les interference from low frequency sound complete all as specified and as directed. Please Enable Macros to View BoQ information
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