Bill of Quantities (BOQ)
CPWD, DSR. Item No. 26.26
MES, SSR. Item No. 12139
Providing & fixing false ceiling at all heights with GRG (Glass Fibre Reinforced Gypsum) false ceiling tiles of Size 595x595 mm of approved texture, design and patterns having moisture content less than 2%, humidity resistance of 99%, NRC 0.50 to 0.75 as per IS 8225:1987,Non combustible as per BS 476 (part 4)-1970 and light reflectance of 85% (minimum) to be laid in true horizontal level suspended on interlocking metal T-Grid of hot dipped galvanised iron section of 0.33mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main-T runners of size 15×32 mm of length 3000 mm, cross – T of size 15×32 mm of length 1200 mm and secondary intermediate cross-T of size 15×32 mm of length 600mm to form grid module of size 600 x 600 mm, suspended from ceiling using galvanised mild steel items (galvanizing @ 80 grams per sqm) i.e. 50 mm long, 8 mm outer diameter M-6 dash fasteners, 6 mm dia fully threaded hanger rod upto 1000 mm length and L-shape level adjuster of size 85x25x2 mm. Galvanised iron perimeter wall angle of size 24x24x0.40 mm of length 3000 mm to be fixed on periphery wall / partition with the help of plastic rawl plugs at 450 mm center to center and 40 mm long dry wall wood screws. The work shall be carried out as per specifications, drawing and as per directions of the Engineer-in-Charge.
System : For 15mm Grid (Tegular / Micro Tegular)
| Color / Finish | Brilliant White (Standard) |
|---|---|
| Tile Size | 595 mm x 595 mm (± 3 mm) |
| Thickness | 12 mm (± 0.5 mm) |
| Edge Construction | Tegular / Micro Tegular (for 15mm Grid) |
| Material Composition | Glass Fibre Reinforced Gypsum (GRG) |
| BIS Approval | IS 2095 Part 3 ISI Marked |
| Acoustic NRC | 0.63 – 0.75 (Certified as per IS 8225:1987) |
| Fire Performance | BS-476-4:1970 Class-0 Non-Combustible |
| Humidity Resistance (RH) | 99% RH (Certified) |
| Moisture Content | Less than 2% (Moisture Proof) |
| Light Reflectance | 94% (Minimum requirement 85%) |
| Impact Strength | 11.90 N.mm/sqmm (as per IS 13360) |
| Anti-Bacterial Property | 99.98% Microbial Reduction (ASTM E2149-10) |
| Suspension System | Interlocking Metal T-Grid (15x32 mm Main-T) |
Main-T : 15 x 32 mm | Cross-T : 15 x 32 mm
| Color / Finish | Brilliant White (Standard) |
|---|---|
| Tile Size | 595 mm x 595 mm (± 3 mm) |
| Thickness | 10 mm (Square) / 12 mm (Micro Tegular) |
| Edge Construction | Square Edged / Micro Tegular |
| Material Composition | Glass Fibre Reinforced Gypsum (GRG) |
| BIS Approval | IS 2095 Part 3 ISI Marked |
| Acoustic NRC | 0.60 – 0.75 (Certified as per IS 8225) |
| Fire Performance | BS-476-4:1970 Class-0 Non-Combustible |
| Humidity Resistance (RH) | 99% RH (Certified) |
| Moisture Content | Less than 2% |
| Light Reflectance | 90% (Certified) |
| Compressive Strength | 7.6 N/mm² (IS 2380 Part-8) |
| Static Bending Strength | 4.7 N/mm² (IS 2380 Part-8) |
| Suspension System | Hot Dipped GI Interlocking T-Grid (15x32 mm Runner) |
FULLY - PERFORATED T-GRID CEILINGS
Main-T : 15/24 x 32 mm | Cross-T : 15/24 x 26 mm
| Color / Finish | Brilliant White (Standard) |
|---|---|
| Tile Size | 595 mm x 595 mm (± 3 mm) |
| Thickness | 12 mm (± 0.5 mm) |
| Edge Construction | Square |
| Material Composition | Glass Fiber Reinforced Gypsum (GRG) |
| BIS Approval | IS 2095 Part 3 BIS Certified |
| Acoustic NRC | 0.60 – 0.75 (with Glasswool backing) |
| Fire Resistance | BS-476-4:1970 / IS:1734 Non-Combustible |
| Humidity Resistance (RH) | 99% RH (Certified) |
| Moisture Content | Less than 2% |
| Static Bending Strength | 4.7 N/mm² (as per IS 2380 Part-8) |
| Compressive Strength | 7.6 N/mm² (as per IS 2380 Part-8) |
| Impact Strength | 11.90 N.mm/sqmm (IS 13360) |
| Anti-Bacterial Property | 99.98% Reduction (ASTM E2149-10) |
| Light Reflectance | 90% |
| T-Grid System | Main-T 24/15x32 mm | Cross-T 24/15x26 mm |
Providing fully–perforated GYPSONIC © acoustic ceiling at all heights with GRG (Glass Fiber Reinforced Gypsum) false ceiling tiles of Size 595x595 mm consisting the thickness of 12mm of approved texture, design and patterns having BIS Approval of IS 2095 Part 3, Impact Strength of 11.90 N.mm/sqmm, moisture content less than 2%, Rh of 99%, NRC 0.60 to 0.75, Noncombustible as per IS: 1734 static bending of 4.7 N/mm2 and compressive strength of 7.6 N/mm2 AS PER is 2380 ( Part-8) & 99.98% Anti- Bacterial as per ASTM E2149 - 10 to be laid in true horizontal level suspended on inter-locking metal T-Grid of hot dipped galvanized iron section of 0.28mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main-T runners of size 24x32 mm of length 3000 mm, cross - T of size 24x26 mm of length 600 mm and secondary intermediate cross-T of size 24x26 mm of length 600mm to form grid module of size 600 x 600 mm, suspended from ceiling using galvanized mild steel items i.e. 50 mm long, 8 mm outer diameter M-6 dash fastener hanged by 16 gauge Galvanized/ S.S. wire at the distance of 600mm between each. Galvanized iron perimeter wall angle of size 24x24x0.30 mm of length 3000 mm to be fixed on periphery wall / partition with the help of plastic rawl plugs at 450 mm center to center and 40 mm long dry wall metal wood grip screws on which Glasswool mats of 24 density and 50mm thickness to be laid. The work shall be carried out as per specifications, drawing and as per directions of Engineer-in- Charge.
FULLY - PERFORATED SCREW-FIX CEILINGS & WALLS
Intermediate : 45 mm | Ceiling Section : 50 mm
Wall Angle : 24 x 24 mm
| Color / Finish | Brilliant White (Standard) |
|---|---|
| Panel Size | 595 mm x 595 mm (± 3 mm) |
| Thickness | 12 mm (± 0.5 mm) |
| Edge Construction | Square (Seamless Jointable) |
| Material Composition | Acoustic GRG (Glass Fibre Reinforced Gypsum) |
| Acoustic NRC | 0.60 – 0.75 (with 50mm Glasswool backing) |
| Fire Resistance | BS-476-4:1970 Class-0 Certified |
| Humidity Resistance (RH) | 99% RH (Certified) |
| Moisture Content | Less than 2% |
| Compressive Strength | 7.6 N/sqmm (IS 2380 Part-8) |
| Static Bending Strength | 4.7 N/sqmm (IS 2380 Part-8) |
| Framing Channel | GI Main Runner & Cross Channels (c/c 297.5 mm) |
| Perimeter Trim | GI Wall Angle: 24 x 24 mm / 20 x 20 mm |
| Insulation Infill | 24 Density & 50 mm thick Glasswool mat |
| Light Reflectance | 90% |
Providing & fixing fully perforated GYPSONIC © Acoustic GRG (Glass Fibre Reinforced Gypsum) wall panels of Size 595x595mm consisting the thickness of 12mm of moisture content less than 2%, humidity resistance of 99%, NRC from 0.60 to 0.75 with glasswwool having compressive strength of 7.6 N/sqmm and static bending strength of 4.7 N/sqmm to be screwed on 12 feet length and weight of 1.250kg Anti-corrosive Galvanized Iron Main runner fixed at interval of 600mm centre to centre (c/c) in one-way direction with 20mm X 20mm Galvanized Iron wall angle of required length with suitable distance as per plan details fixed on wall or ceiling with 25mm screws anchored 35mm deep into the wall and strapped hangers by screws then fixed upon 50mm broad cross-channels connected at right angle with main runner channels at interval of 297.5mm centre to centre (c/c) fixed by self-threaded screw. Glass wool of 24mm and thickness of 50 mm to be spread on framework. After fixing G.R.G. tiles on framework joints need to be filled with superfine quality gypsum plaster then painted it with similar colour of tiles for finishing. The work shall be carried out as per specifications, drawing and as per directions of Engineer-in-Charge.
GRG PERFORATED BIG BOARD SCREW-FIX FOR CEILINGS & WALLS
Intermediate : 45 mm | Ceiling Section : 50 mm
Wall Angle : 24 x 24 mm
| Color / Finish | Brilliant White (Paintable) |
|---|---|
| Board Size | 595 mm x 1195 mm (± 3 mm) |
| Thickness | 12 mm (± 0.5 mm) |
| Edge Construction | Square / Flush Joint System |
| Material Composition | Glassfibre Reinforced Gypsum (GRG) |
| BIS Approval | IS 2095 Part 3 BIS Certified |
| Acoustic NRC | 0.60 – 0.75 (with Acoustic Infill) |
| Fire Resistance | BS-476-4:1970 Class-0 Certified |
| Humidity Resistance (RH) | 99% RH (Certified) |
| Moisture Content | Less than 2% |
| Impact Strength | 11.90 N.mm/sqmm (IS 13360) |
| Compressive Strength | 7.6 N/sqmm (IS 2380 Part-8) |
| Static Bending Strength | 4.7 N/sqmm (IS 2380 Part-8) |
| Suspension Framework | 45 mm GI Intermediate + 51.5 mm Ceiling Section |
| Light Reflectance | 90% |
Providing and Fixing GYPSONIC © Acoustic fully perforated G.R.G. (Glassfibre Reinforced Gypsum) false BIG board 1195mm x 595mm having thickness of 12mm having BIS Approval of IS 2095 Part 3, Impact Strength of 11.90 N.mm/sqmm, moisture content less than 2%, humidity resistance of 99%, NRC from 0.60 to 0.75 having compressive strength of 7.6 N/sqmm and static bending strength of 4.7 N/sqmm includes along with 18mm thick 75 mm width of pattas as main runner, screw fixed to brick wall/partition with the help of Nylon sleeves and screws at 610mm centres. Then suspending G.I. intermediate channels of size 45mm (0.9mm thick with 2 flanges of 15mm each) from the soffit at 1220mm centres with ceiling angle of width 25mm X 10mm X 0.55mm thick fixed to soffit with G.I. cleat and steel expansion fasteners. Ceiling section of 0.55mm thick having knurled web of 51.5mm and 2 flanges of 26mm each with lips of 10.5mm are then fixed to the intermediate channel with the help of connecting clips and indirection perpendicular to the intermediate channel at 450 mm centres on which Glasswool mats of 24 density and 50mm thickness to be laid. Premium grade superfine gypsum powder used to fill the joints followed by primer coat, jointing, scrapping two coats of water-soluble plastic paint. The work shall be carried out as per specifications, drawing and as per directions of Engineer in-charge.
SEMI - PERFORATED T-GRID CEILINGS
Main-T : 15/24 x 32 mm | Cross-T : 15/24 x 26 mm
| Color / Finish | Brilliant White (Standard) |
|---|---|
| Tile Size | 595 mm x 595 mm (± 3 mm) |
| Thickness | 10 mm (± 0.5 mm) |
| Edge Construction | Square |
| Material Composition | Glass Fiber Reinforced Gypsum (GRG) |
| BIS Approval | IS 2095 Part 3 BIS Certified |
| Acoustic NRC | 0.60 – 0.70 |
| Fire Resistance | BS-476-4:1970 / IS:1734 Non-Combustible |
| Humidity Resistance (RH) | 99% RH (Certified) |
| Moisture Content | Less than 2% |
| Impact Strength | 11.90 N.mm/sqmm (IS 13360) |
| Static Bending Strength | 4.7 N/mm² (IS 2380 Part-8) |
| Compressive Strength | 7.6 N/mm² (IS 2380 Part-8) |
| T-Grid System | Main-T 24/15x32 mm | Cross-T 24/15x26 mm |
| Light Reflectance | 94% |
Providing & fixing semi-perforated GYPSONIC © GRG (Glass Fiber Reinforced Gypsum) acoustic false ceiling tiles at all heights with of Size 595x595 mm consisting the thickness of 10mm of approved texture, design and patterns having BIS Approval of IS 2095 Part 3, Impact Strength of 11.90 N.mm/sqmm moisture content less than 2%, Rh of 99%, NRC 0.60 t, Non- combustible as per IS: 1734 static bending of 4.7 N/mm2 and compressive strength of 7.6 N/mm2 AS PER is 2380 ( Part-8) to be laid in true horizontal level suspended on inter-locking metal T-Grid of hot dipped galvanized iron section of 0.28mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main-T runners of size 24x32 mm of length 3000 mm, cross - T of size 24x26 mm of length 600 mm and secondary intermediate cross-T of size 24x26 mm of length 600mm to form grid module of size 600 x 600 mm, suspended from ceiling using galvanized mild steel items i.e. 50 mm long, 8 mm outer diameter M-6 dash fastener hanged by 16 gauge Galvanized/ S.S. wire at the distance of 600mm between each. Galvanized iron perimeter wall angle of size 24x24x0.30 mm of length 3000 mm to be fixed on periphery wall / partition with the help of plastic rawl plugs at 450 mm center to center and 40 mm long dry wall metal wood grip screws. The work shall be carried out as per specifications, drawing and as per directions of Engineer-in-Charge.
