SOUND INSULATION AND ALLIED PAINTING OF THIRUVANKULAM COMMUNITY HALL

Amount

Sound proofing and painting

13.60.1 : Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade:Two or more coats on new work

od910145/2020_2021 : Providing and fixing in position wall panelling at all heights with integral<br>densified gypsum panels/tiles of size 595 x 595mm, having NRC (Noise<br>Reduction coefficient) of 0.50 (minimum) as per IS 8225:1987, Light reflectance<br>of 85% (minimum). Non combustible as per BS:476 (part-4), fire performance<br>as per BS:476 (part 6 &7), humidity resistance of 100%, thermal conductivity <<br>0.043 W/m K as per ASTM 518:1991, comprising of a frame made from especially<br>fabricated galvanised mild steel sheet 0.50 mm thick pressed section<br>(galvanizing @120 grams per sqm including both sides) i.e.vertical studs of<br>size 48 x 34 x 36 mm are placed at 600mm center to center in a floor and ceiling<br>channel section of size 50 x 32m fixed to the floor and soffit at 600mm centers<br>using 12mm dia,50mm long wedge type expanded zinc alloy dash fastner with<br>10mm bolt. This same channel is then to be fixed in horiziontal direction at<br>600mm center to center so as to form a grid of 600mm x 600mm. Glasswool of<br>50mm thickness is then to be inserted in the slots and finally calcium silicate<br>non combustible panels/tiles are to be screw fixed with self tapping pan head<br>nickel coated mild steel screws of size 13 x 3.2mm on to this grid leaving an<br>even groove of 1 mm between the panels. The joints between the panels are to<br>be duly jointed and finished using recommended jointing calcium silicate based<br>compound and fiber joint tape roll 50mm wide (90 metre )roll and two coats of<br>primer suitable for panelling as per manufacturer's specification as per<br>direction of Engineer-in-Charge all complete.<br>With 12 mm thick fully perforated square/butt edge light weight calcium silicate<br>panels/ tiles

13.61.1 : Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

Prasad VP

Bidder Name

BHADRAN.V.V.

Prasad VP