09100_en.doc

SECTION 09100

METAL SUPPORT ASSEMBLIES

PART 1 – GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

ITALIAN/EUROPEAN HARMONIZATION STANDARDS (UNI EN)(UNI ENV)(UNI EN ISO)

UNI EN 10142

(2002) Continuously Hot Dip Zinc Coated Low Carbon Steel Sheet and Strip for Cold Forming - Technical Delivery Conditions, Including Amendment 1, (1995).

UNI EN 10218-1

(1995) Steel Wire and Wire Products - General, Part 1: Test Methods.

UNI EN 10218-2

(1997) Steel Wire and Wire Products - General - Part 2, Wire Dimensions and Tolerances.

Italian National Institute for the Unification of Standards (UNI) Publications:

UNI 7344

(1985) Cold formed steel sections - Requirements and tolerances.

1.2 SUBMITTALS

Submit the following:

1.2.1 Shop Drawings

Metal support systems

Submit for the erection of metal framing, and ceiling suspension systems. Indicate materials, sizes, thicknesses, and fastenings.

1.2.2 Product Data

Submit address and telephone number of the Manufacturer of products listed below.

Metal support systems

1.3 DELIVERY, STORAGE, AND HANDLING

Deliver materials to the job site and store in ventilated dry locations.

Storage area shall permit easy access for inspection and handling. If materials are stored outdoors, stack materials off the ground, supported on a level platform, and fully protected from the weather. Handle materials carefully to prevent damage. Remove damaged items and provide new items.

PART 2 - PRODUCTS

2.1 MATERIALS

Provide steel materials for metal support systems with galvanized coating complying with UNI 7344 and UNI EN 10142.

2.1.1 Nonload-Bearing Wall Framing

UNI EN 10142.

2.1.2 Materials for Attachment of Gypsum Wallboard

UNI EN 10142

2.1.2.1 Suspended and Furred Ceiling Systems

a. Hanger Wire UNI EN 10218-1 and UNI EN 10218-2.

b. Main Runners UNI EN 10142.

c. Tie Wire UNI EN 10218-1 and UNI EN 10218-2, 1.6 mm diameter.

2.1.2.2 Nonload-Bearing Wall Framing and Furring

a.

Studs: minimum thickness 100 mm (or as indicated) x 0.85 mm minimum thickness in the sizes indicated.

b.

Runners: Width compatible with studs, 0.70 mm thick with 40 mm flange.

2.2 METAL SUPPORT ASSEMBLIES

The Metal Support Assemblies shall be manufactured from a minimum of 80% recycled post consumer waste and 10% post industrial waste.

2.3

AVAILABLE PRODUCTS

Products meeting the requirements of this specification are manufactured by the following. Not all companies manufacturer all products referred to in the specification.

KNAUF

via Postioma, 59

31050 Villorba (TV)

Tel: 04/22.60.8270

Fax: 04/22.60.8696

LAFARGESSI, S.P.A.

via Cornelia, 498

00166 Roma.

Tel: 06/61.52.8311

Fax: 06/61.52.1115

LUXON, S.R.L.

via Provinciale Pianura, 25

800078 Pozzuoli (NA)

Tel: 081/526.3485

Fax: 081/526.9038

PART 3 – EXECUTION

3.1 INSTALLATION

3.1.1 Nonload-Bearing Wall Framing

Except that framing members shall be 400 mm o.c. unless indicated otherwise.

3.1.2 Systems for Attachment of Gypsum Wallboard

Comply with manufacturer's printed installation instructions, not to exceed the following:

3.1.2.1 Suspended and Furred Ceiling Systems

a.

Hanger wire in sizes not less than the following:

Maximum Ceiling Wire Size

Area Supported (SM) Diameter (mm)

Suspended Ceilings 1.3 3.4

1.5 3.8

1.7 4.1

Main Runners 0.8 2.7

1.3 3.4

1.7 4.1

Furring (No Runner) 0.8 2.0

Main runners in sizes not less than the following:

Depth, Weight Span between Maximum spacing

(mm, kg/M)

Hangers (mm) (mm)

40, 0.7

50, 0.9

65, 1.0 c.

Tie main runner suspension wire as indicated.

d.

Tie furring channel to main runner as indicated.

3.1.2.2 Nonload-Bearing Framing and Furring

a.

Maximum framing and furring spacing:

400 mm.

Maximum fastener spacing:

600 mm.

c.

Maximum stud height:

Spacing Stud Width Height d.

Locate studs at partition intersections as indicated.

e.

Locate studs at partition corners as indicated.

3.2 ERECTION TOLERANCES

Framing members which will be covered by finish materials such as wallboard, plaster, or ceramic tile set in a mortar setting bed, shall be within the following limits:

a.

Layout of walls and partitions: 6 mm from intended position;

b.

Plates and runners: 6 mm in 2500 mm from a straight line;

c.

Studs: 6 mm in 2500 mm out of plumb, not cumulative; and d.

Face of framing members: 6 mm in 2500 mm from a true plane.

Framing members which will be covered by ceramic tile set in dry-set mortar, latex-portland cement mortar, or organic adhesive shall be within the following limits:

a.

Layout of walls and partitions: 6 mm from intended position;

b.

Plates and runners: 3 mm in 250 mm from a straight line;

c.

Studs: 3 mm in 2500 mm out of plumb, not cumulative; and d.

Face of framing members: 3 mm in 2500 mm from a true plane.

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Section 09100

Section 09100