ACOUSTIC INSULATION AND PARTITION WORKS AT KAIRALI SREE NILA THIRUVANANTHAPURAM

Amount

Kairali Acoustic Ceiling: Supply and installation of false ceiling with of 12.5mm thick perforated gypsum tiles of size 600mmx600mm in G.I grid support of True steel (ceiling section ,L angle, perimeter and intermediate section).Concealed grid support at every 600mm x600mm c/c using self-threading screws of proper line and level including making holes for electrical fixtures. Additional frame members shall be provided for opening of a/c and Electrical fixtures. An overlay of 50mm 32 density glass wool wrapped with black tissue to be installed. There should be a 150mm overlap of glass wool in adjoining areas. Fix the tiles with flush look which includes filling and finishing with gyproc jointing compound and gyproc joint paper and finish with one coat primer and 2 coats of plastic emulsion paint as per Architects approved quality and colour.

Sree Acoustic Ceiling: Supply and installation of modular ceilings of non-combustible Glass wool core , dimension 600 x 600 x 15 mm Sq Edge, Front face covered by a printed black fleece, 100% Resistance to humidity, 4 % LR, Fire Protection upto 1000 C for 120 mts without melting, Sound Absorption min of 0.85-0.95 NRC. Supply and installation of Suspension System To be fixed with 24 mm T Grids factory finished with Black matt colour. Ceiling suspension system to consist of 3mm GI suspension rod/wire securely affixed to structural ceiling. Ceiling suspension system to be fixed with Main runners positioned at interval (grid) of 1200 mm. The cross tee to be fixed at an interval of 600mm and suspension from the ceilings at every 1200 mm.

Nila Acoustic Ceiling Supply and installation of modular ceilings of non-combustible Glasswool core , dimension 600 x 600 x 15 mm Sq Edge, Front face covered by a printed black fleece, 100% Resistance to humidity, 4 % LR, Fire Protection upto 1000 C for 120 mts without melting, Sound Absorption min of 0.85- 0.95 NRC. Supply and installation of Suspension System To be fixed with 24 mm T Grids factory finished with Black matt colour. Ceiling suspension system to consist of 3mm GI suspension rod/wire securely affixed to structural ceiling. Ceiling suspension system to be fixed with Main runners positioned at interval (grid) of 1200 mm. The cross tee to be fixed at an interval of 600mm and suspension from the ceilings at every 1200mm.

Kairali Multi level Fabric Panelling from ceiling to 180 cms above finished floor level : Supply and installation of MS 18 gauge 50x25mm galvalume tube welded to make a frame work of 600X1200mm grouted from the wall to achieve a minimum of 50mm Airgap having chicken wire mesh binded onto the rear side of the section. Providing one coat epoxy primer and one coat paint. Infill of and infill of 25mm 1000 gsm polyester wadding Decron , mounting of 15mm wood wool board onto the facia of the MS section with metal self-threading screws. Installation of 12x75mm plystrip with metal self-threading screws with sufficient length to reach metal frame to facilitate stapling of pneumatic stapler pins to fix the 12mm gripper infill of 25mm 1000 gsm decron in the cavity and tucking the fire retardant stretch fabric approved by Architect without undulations. Frame work with MS galvalume tube, flexible ply,painting and fire retardant stretch fabric shall be provided as per Architects design for the multilevel work.Additional frame members to be provided for the openings for A/c grills,electrical fixtures and speakers etc if required as per the instruction of Engineer incharge. (Rate per Linear Meter of fabric considered is Rs.400/- of Response , Nexgen, Anuton make)

Sree Multi level Fabric Panelling from ceiling to 180 cms above finished flooer level: Supply and installation of MS 18 gauge 50x25mm galvalume tube welded to make a frame work of 600X1200mm grouted from the wall to achieve a minimum of 50mm Airgap having chicken wire mesh binded onto the rear side of the section. Providing 1 coat epoxy primer and 1 coat paint. Infill of 25mm 1000 gsm polyester wadding Decron , mounting of 15mm wood wool board onto the facia of the MS section with metal self-threading screws. Installation of 12x75mm plystrip with metal self-threading screws with sufficient length to reach metal frame to facilitate stapling of pneumatic stapler pins to fix the 12mm gripper infill of 25mm 1000 gsm decron in the cavity and tucking the fire retardant stretch fabric approved by Architect without undulations. Frame work with MS galvalume tube, flexible ply,painting and fire retardant stretch fabric shall be provided as per Architects design for the multilevel work.Additional frame members to be provided for the openings for A/c grills,electrical fixtures and speakers etc if required as per the instruction of Engineer incharge. (Rate per Linear Meter of fabric considered is Rs.400/- of Response , Nexgen, Anuton make)

Nila Multi level Fabric Panelling from ceilng to 180cms above finished floor level: Supply and installation of MS 18 gauge 50x25mm galvalume tube welded to make a frame work of 600X1200mm grouted from the wall to achieve a minimum of 50mm Airgap having chicken wire mesh binded onto the rear side of the section. Providing 1 coat epoxy primer and 1 coat paint. infill of 25mm 1000 gsm polyester wadding Decron , mounting of 15mm wood wool board onto the facia of the MS section with metal self-threading screws. Installation of 12x75mm plystrip with metal self-threading screws with sufficient length to reach metal frame to facilitate stapling of pneumatic stapler pins to fix the 12mm gripper infill of 25mm 1000 gsm decron in the cavity and tucking the fire retardant stretch fabric approved by Architect without undulations. Frame work with MS galvalume tube, flexible ply,painting and fire retardant stretch fabric shall be provided as per Architects design for the multilevel work.Additional frame members to be provided for the openings for A/c grills,electrical fixtures and speakers etc if required as per the instruction of Engineer incharge. (Rate per Linear Meter of fabric considered is Rs.400/- of Response , Nexgen, Anuton make)

Kairali wooden paneling with carpet up to 180cm above 15cm from finished floor level:Existing wooden panels to re install with a gap of 10mm between panels.Aoustic infill with existing glasswool(50 mm 24 density) or decron (50mm 1000 gsm). Replacing damaged panels only with new ones. Provide spacers and chicken wire mesh to maintain an air gap of 50mm between glasswool /decron and wall.Fixing of approved non woven carpet on the wooden panels with appropriate adhesive.

Sree wooden paneling with carpet up to 180cm above 15 cm from finished floor level:Existing wooden panels to re install with a gap of 10mm between panels.Aoustic infill with existing glasswool(50 mm 24 density) or decron (50mm 1000 gsm). Replacing damaged panels only with new ones. Provide spacers and chicken wire mesh to maintain an air gap of 50mm between glasswool /decron and wall.Fixing of approved non woven carpet on the wooden panels with appropriate adhesive.

Nila wooden paneling with carpet up to 180cm above 15cm from finished floor level:Existing wooden panels to re install with a gap of 10mm between panels.Aoustic infill with existing glasswool(50 mm 24 density) or decron (50mm 1000 gsm). Replacing damaged panels only with new ones.Provide spacers and chicken wire mesh to maintain an air gap of 50mm between glasswool /decron and wall.Fixing of approved non woven carpet on the wooden panels with appropriate adhesive.

Kairali/Sree/Nila: Removing the fabric and Plywood base from existing fabric wall panelling,dismantling the ceiling,removing the wooden paneling with care for re use,removing glass wool/decron with care for reuse and removing the debris from site etc complete as per the instruction of Engineer in Charge.Inclusive of all charges.

Kairali/sree/Nila:Supply and Fixing of Shera board of 8mm thickness up to 15 cm above finished floor level.Including joint filling and painting as per Architects approval.

Nila:Removing and re installing stage side masking behind screen.All materials to re use.

LED Strip lights: Supply and instalation of LED strip lights (14watts per m., 5050 with power supply drivers) of approved quality and colour (Wipro/Philips or equivalent) as per the design including hire and labour for all scaffolding for all heights etc complete (The provision for electrical wiring at a point in the design area will be made by electrical contractor).Work shall done as per the instruction of Engineer in Charge.

Acoustic work for sound Isolation on partition wall between Kairali and Nila (Kairali Inside partition wall vertical area): Kairali inside partition vertical area:Supply and installation of 15mm thick black open cell nitrile rubber gluing on to the existing Aerocon panels with adequate adhesives.Fixing of 100mmx100mm x2 mm square pipe welded from truss with 3 mts spacing (7 vertical lines),one horizontal line on top and one bottom line with same dimension square pipe providing a space of 50mm between nitrile rubber and the square pipe. Bottom line to be welded on to the existing horizontal MS beam.Welding in between with 25mmx25mmx1.6mm MS square pipe horizontal lines(8 lines) with one mts spacing.Then to fix chicken wire mesh on to this pipe. Fixing of MS frame work (1200mmx600mm) with 50mmx25mmx 1.6mm square pipe welded on to the facia of 100mm square pipe already fixed.Providing one coat proxy primer and one coat paint.Infill of two layers 50mm 48 density rockwool roll in side the frame work with chicken wire mesh backup providing a minimum air gap of 50mm between nitrile rubber and rockwool.Then fixing of 12.5 mm gypsum board on to the frame work and to seal the joints properly with acoustic resilient caulk. Then gluing 3mm MLV on to the gypsum board.Then to fix the second layer of 12.5 mm gypsum board on to the MLV.All the joints to be sealed properly with acoustic resilient caulk.Please note to take approval from structural engineer regarding load bearing

Acoustic work for sound Isolation on partition wall between Kairali and Nila (Nila Inside partition wall vertical area): Kairali inside partition vertical area:Supply and installation of 15mm thick black open cell nitrile rubber gluing on to the existing Aerocon panels with adequate adhesives.Fixing of 100mmx100mm x2 mm square pipe welded from truss with 3 mts spacing (7 vertical lines),one horizontal line on top and one bottom line with same dimension square pipe providing a space of 50mm between nitrile rubber and the square pipe. Bottom line to be welded on to the existing horizontal MS beam.Welding in between with 25mmx25mmx1.6mm MS square pipe horizontal lines(8 lines) with one mts spacing.Then to fix chicken wire mesh on to this pipe. Fixing of MS frame work (1200mmx600mm) with 50mmx25mmx 1.6mm square pipe welded on to the facia of 100mm square pipe already fixed.Providing one coat proxy primer and one coat paint.Infill of two layers 50mm 48 density rockwool roll in side the frame work with chicken wire mesh backup providing a minimum air gap of 50mm between nitrile rubber and rockwool.Then fixing of 12.5 mm gypsum board on to the frame work and to seal the joints properly with acoustic resilient caulk. Then gluing 3mm MLV on to the gypsum board.Then to fix the second layer of 12.5 mm gypsum board on to the MLV.All the joints to be sealed properly with acoustic resilient caulk.Please note to take approval from structural engineer regarding load bearing

Acoustic work for sound Isolation on partition wall between Kairali and Nila (Kairali Inside partition slope area and continuing 1mts vertical): Kairali inside partition slope area:Supply and installation of 15mm thick black open cell nitrile rubber gluing on to the existing Aerocon panels with adequate adhesives.Fixing of MS frame work (600mmx1200) with 50mmx50mmx1.6mm square pipe welded on to the existing frame work.Providing one coat proxy primer and one coat paint.Infill of two layers 50mm 48 density rockwool roll wrappped with black RPG tissue in side the frame work providing a minimum air gap of 50mm between nitrile rubber and rockwool.Fixing of 12.5 mm gypsum board on to the frame work and to seal all the joints properly with acoustic resilient caulk. Then gluing 3mm MLV on to the gypsum board.Then to fix the second layer of 12.5 mm gypsum board on to the MLV.All the joints to be sealed properly with acoustic resilient caulk.

Acoustic work for sound Isolation on partition wall between Kairali and Nila (Nila Inside partition Slope area and continuing 1mts vertical): Nila inside partition slope area:Supply and installation of 15mm thick black open cell nitrile rubber gluing on to the existing Aerocon panels with adequate adhesives.Then fixing of 150mmx25mmx1.6mm MS pipe (7 vertical lines) with 3mts spacing on the nitrile rubber and welding in between with 25mmx25mmx1.6mm MS square pipe with one mts spacing (8 horizontal lines) 50mm above nitrile rubber.Providing one coat epoxy primer and one coat paint.Then fixing of chicken wire mesh on to it.Infill of two layers 50mm 48 density rockwool roll in side the frame work providing a minimum air gap of 50mm between nitrile rubber and rockwool.Fixing of 12.5 mm gypsum board on to the frame work and to seal the joints properly with acoustic resilient caulk. Then gluing 3mm MLV on to the gypsum board.Then to fix the second layer of 12.5 mm gypsum board on to the MLV.All the joints to be sealed properly with acoustic resilient caulk.

Acoustic work for sound isolation of Nila raking concrete slab bottom inside Kairali:Supply and installation of 15mm black open cell nitrile rubber gluing on to the existing raking slab.Fixing of MS frame work of 600mmx1200mm with 50mmx50mmx1.6mm MS square pipe.Providing one coat epoxy primer and one coat paint.Infill of 50mm 48 density rockwool wraped in black RPG tissue.Fixing of 12.5mm gypsum board on to the frame work and to seal all the joints properly with acoustic resilient caulk. Then gluing 3mm MLV on to the gypsum board.Then to fix the second layer of 12.5 mm gypsum board on to the MLV.All the joints to be sealed properly with acoustic resilient caulk.

Kairali Screen backside wall area:supply and inatallation of MS 18 gauge 50x25mm galvalume tube welded to make a frame work of 600x1200mm fixed on to the existing wall with studs to form a air gap of 100mm between wall and frame.Providing one coat epoxy primer and one coat paint.Fixing of existing 50mm 32 density glasswool wrapped in black tissue two layers with self threading screws and washers on to the MS frame work with chicken wire mesh backup to maintain a air gap of 100 mm between wall and glasswool.

Sree Screen backside wall area:supply and inatallation of MS 18 gauge 50x25mm galvalume tube welded to make a frame work of 600x1200mm fixed on to the existing wall with studs to form a air gap of 100mm between wall and frame.Providing one coat epoxy primer and one coat paint.Fixing of existing 50mm 32 density glasswool wrapped in black tissue two layers with self threading screws and washers on to the MS frame work with chicken wire mesh backup to maintain a air gap of 100 mm between wall and glasswool

Nila Screen backside wall area:supply and inatallation of MS 18 gauge 50x25mm galvalume tube welded to make a frame work of 600x1200mm fixed on the already installed gypsum board panels with necessary Ms membranes to form an air gap of 100mm between frame work and gypsum.Fixing of existing 50mm 32 density glasswool wrapped with black tissue two layers with self threading screws and washers on to the MS frame work.Provide chicken wire mesh backup to maintain a air gap of 100 mm between gypsum board panels and glasswool.

GERESH ELECTRICALS PVT. LTD

Square Associates