HBCHRC/MZP/ENGG/W/LT/26-27/03

Side Panelling: 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 will have infill of acoustic material with different density (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 hertz range to meet the ANSI standards. The external surface having cladded with noise reduction coefficient rated fabric+ foam & the encapsulated panels will be secured to floor with mild steel track frame work made up of 16 gauge of U channel approx size (20mm x 55mm x 40mm) and fasteners complete. Ceiling Panelling: Ditto all as per item above, but for ceiling having mild steel angle frame work (16-gauge mild steel powder coated L angle 50 x 50mm in size) to support the ceiling panel. Material Standard: GI Sheet Specs: JSW/JINDAL/TATA Alloyed coating containing zinc and about 55 % aluminium. ● Products have heat resistance and heat reflection property of aluminium in addition to corrosion resistance of zinc and aluminium. ● Surface is attractive white silver. MS(Mild Steel) JSW/JINDAL/TATA Appropriate framework to be made & powder coated to .60-.70 micron. Glass wool Spec: Twiga/ Rockwool/Insul. Its would be FR rated & with appropriate NRC as specified. I

Floor: 6mm thick loop pile carpet, the material attenuates the low frequency waves 125 to 10k Hz and less interference from low frequency sound. Material standard: Carpet: Loop Pile of 6 mm thick ISO 4919:2012

Door Frame: will be addressed with 19mm plywood box type, cladded with layer of 3mm thick non-woven carpet. Groove to facilitate perfect sealing of the door shutter. Double doors frameworks and single door frameworks constitute this requirement. Door: Each door leaf will be of 2” thick double layered 12mm plywood with frame work of 19mm plywood which will be insulated internally and covered with 3mm non-woven carpet. Suitable door handle and lock will be provided. Note: Double doors and single door frameworks constitute this requirement. Material standard:ISO : Clas 1/ 12465:2002 best in class: with anti-termite & marine proof. Glass wool Spec: Twiga/ Rockwool/ tranquil/Insul. Its would be FR rated & with appropriate NRC as specified.

Observation window: comprising of double layers 10 mm thick glass with the inside glass being placed at an angle of 45 degrees. If desired. This is secured to a wooden frame work with rubber gaskets and silica gel. Size: 3 X 2 ft Material Standard: ISO : Clas 1/ 12465:2007 best in class: with anti-termite & marine proof. (Plywood Sheets)

JACK PANEL; appropriate socket and jack pins will be provided as per the compatibility of audiometer based on your requirement. Please inform well in advance the compatible jacks (stereo / mono /AV pins) Material Standard: ISO 1397:2020

LED light fixture: 15 watts LED white light Material Standard: ISO/Tc : 274 Best in class with 1 year warranty

Centre Partition Wall/Sealing of window and ceiling area: Double wall construction with one layer of cement board of 8 mm and other one with saint gobin 12.5mm with Gyproc GI framework and insulated with glass wool and sound damper sheets. Material Standard: ISO 8336:2017 with type III environmental product (gypsum board). ISO 26642:2010 ( GI frame work)

Furniture: A.    L Table – 1 no (with storage) with white laminate. Size:5 ft x 5 ft x 2.6 ft (L x W x H) B.    Rotation Chair – 1 no (audiologist chair) C.    Patient Chair – 1 no without armrest D.    Speaker brackets Material Standard: ISO: Class 1/ 12465:2007 best in class: with anti-termite & marine proof. (Plywood Sheets) for Table Chairs: Nilkamal/Featherlite

DUCT AC: The existing duct will be cladded with nitrile rubber internally at the throw. The inlet will be loop to the other room by flexi duct and also extended by same material. The outlet duct will be provided with flexi duct.