DOBNER - Metal Ceiling Systems

Dobner Square Tile Ceilings
Item 1 approx....m² dobner square tile ceiling, consisting of:
Square tile, size ......., unperfored version, each individual coffer beeing capable of swivelling downwards.

The square tile consist of dip-galvanised steel plate 0.6 mm thick, visible side white, power-coated (similar to RAL 9010).

Supplier: Dobner Construction Systems Ltd, Grenzweg 7, 03246 Crinitz, Germany
Phone: +49 (0) 30/421 98 130, Fax: +49 (0) 30/421 98 135


A carrier grid is suspended from the bare ceiling which is made of clamp extruded section, section connectors, and cross-members and fastened with expanding metal wall-plugs, tension spring, and wire hooks as approved by the building supervisory authorities. The whole sub-construction is supplied and installed in the galvanised version.
Suspension height: ....... cm

Materials:   € .......
Installation: € .......
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Unit price:   € ....... € .......

Item 2 approx....m²

Addition to Item 1 -
dobner square tile ceiling, as described in Item 1 but as acoustic ceiling.
The square tile are additionally perforated in accordance with perforation pattern no ... The perforation shafts must likewise be powder-coated. Sound insulation is achieved by placing mineral-wool panels 20 mm thick in the square tile, visible side with trickle protection, non-inflammable

Materials:   € .......
Installation: € .......
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Unit price:   € ....... € .......

Alternative to Item 2 -
dobner square tile ceiling, as described in Item 2 as acoustic ceiling, but instead of the mineral-fibre panels, block acoustic fleece with very good noise-absorption values, and non-flammable as definied by the requirements of Construction Materials Class B1 (in DIN 4102 Part 1) is glued in place.

Materials:   € .......
Installation: € .......
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Unit price:   € ....... € .......

Alternative to Item 1:
dobner square tiles, as in Item 1,
but powder-coated in RAL colour...

Allowance   € ....... m²

Item 3 approx....m run

Wall junctions with galvanised metal edge brackets 24 x 24 mm, powder-coated in colour of square tiles.
Supply and installation of the above.

Material:     € .......
Installation: € .......
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Unit price:  € ....... € .......

Alternative to Item 3:
Wall junctions in the form of the U-profile sections made of galvanised sheet steel, powder-coated in colour of the square tiles and profile spring sections as hold-down devices.
Supply and installation of the above.

Material:     € .......
Installation: € .......
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Unit price:   € ....... € .......

Item 4 ca.....ea.

Recessed light fittings, provided by Owner, size ....... x ....... cm, installation of the above, (connection by electrical installation company). See construction drawings for light fitting distribution.

Unit price   € ....... € .......

Item 4 ca. .....ea.

Provision of light fitting recesses in the square tiles for installation of ceiling spotlights. Diameter ....... mm. See construction drawings for distribution.

Unit price   € ....... € .......

Material requirements for square tile ceilings 625 x 625 mm

Basis per m²

Item 1.0. € ....... m² Square tiles unperforated

Item 2.0. € ....... m² Square tiles unperforated
Item 2.1. € ....... m² Acoustic insert ....... mm thick
Item 2.2. € ....... m² Square tiles, perforated, with bonded- in nonwoven acoustic fabric, black

Item 3.0. € ....... m² Clamping rails as mounting rails 0.8 m run € .......
Item 3.1. € ....... m² Clamping rails 1.6 m run € .......
Item 3.2. € ....... m² Clamping-rail connectors 0.6 ea. € .......
Item 3.3. € ....... m² Cross-connectors 1.28 ea. € .......

Item 4.0. € ....... m² Clamping springs, lenght ....... mm 0.6 ea. € .......
Item 4.1. € ....... m² Suspension rods,  lenght ....... mm, 0.6 ea. € .......
Item 4.2. € ....... m² Metal straddling dowels M 6 0.64 ea. € .......

Item 5.0. € ....... m² Wall edge section 24 x 24 mm, 0.4 m run € .......
Item 5.1. € ....... m² U-profile wall section 24 x 34 x 24 mm 0.4 m run € .......
Item 5.2. € ....... m² Compression springs as hold-down devices for Item 5.1. 1.28 ea. € .......


Coast summary

Material € .......
Installation-specific off-cut % € .......
Freight costs € .......
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Cost price € .......
Company surcharges % € .......
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Total material costs € .......
Labour € ....... € ....... m²
 


Dobner - Metal Ceilings, Metal Ceiling Systems