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Full-height blade stanchions with glass on patch fittings

H8

design elements


1A

Twin blade stanchions per panel rising to a custom selected handrail create a sharp and minimal profile. Modern structural glass panels may be specified to handle large spans, creating an open and uncluttered effect. Arden A50 / A38 Arden system ‘A’ patch fittings (see technical data sheet A.3) continue the refined feel. Arden usually recommends positioning the handrail vertically above the stanchions (with glass facing out), but for face-fixed applications (with glass facing 1B in), the H8 may support the handrail via the through-glass patch fittings. Because the H8 is both highly transparent and a feature in its own right, it is at home in sophisticated surrounds, and is best combined with feature staircase designs.

EQ

EQ

EQ 40

40

40

Combining full height stainless steel stanchions with structural toughened glass, the H8 system represents a striking and elegant balustrade design.

Min 1000mm

Full-height blade stanchions with glass on patch fittings

design

12-20mm thick blade dependent upon spacing and AS1170 design load

12-17.52mm toughened or laminated toughened glass (dependent upon AS1170 load, span and glass location).

1A

Min 50mm clear (AS1428.1 compliant) Inline Handrail welded to the top of the stanchion pin (AS1288.2006 compliant) typically stainless steel CHS or timber over ribbon plate, For more detail refer to technical data sheet A.4 'Handrail profiles'. Line of toughened or toughened laminated glass panel 50-100mm dependent upon spacing and AS1170 design load Line of stanchions

C

A50D or A38D series patch fittings (Refer to Arden technical data sheet A.1 for detail)

H8

Optional floor edge trim

Floor coverings (carpet/other)

Structural floor surface

Void bulkhead

1B

F indicated on dimensions denotes a nominal dimension that typically varies according to specific application, engineering requirements or client preferences.

2

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Typically plasterboard ceiling on battens or suspended ceiling


1A. Front view showing equally spaced stanchions. Stanchions may also be located at a fixed distance to the side of glass.

Chemical anchors size and edge clearance dependent upon design loads and chemical anchor manufacturers' specifications.

Structural floor surface

Typically > 180mm

Typically > 60mm

Typically > 60mm

1B. Side elevation. Stanchions are set off from the bulk-head via cylindrical stainless steel off-stands. Alternatively, the stanchion blades may sit flush with, or be partially enclosed by the bulk-head, with non-visual off-stand and fixing assemblies. 1C. Typical thick slab fixing detail of face-fixed H8 version. A pair of chemset M12 rods are the preferred fixing method in this case.

Typically M12-M16 chemical anchors dependent upon spacing and AS1170 loads 1C

Full-height blade stanchions with glass on patch fittings

Figure 1. Face-fixed H8 void-edge balustrade.

A50D or A38D series patch fittings

H8 design elements

3


Typically M12-M16 chemical anchors dependent upon spacing and AS1170 loads

Each glass panel is supported by a total of four throughglass A50 / A38 patch fittings. A38 diameter fittings are preferred for aesthetic effect, and A50 diameter fittings would only be specified for special high design load installations. Typically 304/316 stainless steel with a 16x65 profile is specified for the blade stanchions. However, larger profile blades are also possible.

Chemical anchors size and edge clearance dependent upon design loads and chemical anchor manufacturers' specifications. Typically > 60mm

Typically > 100mm

Min 180mm

Minimum 12mm toughened glass infill panels with polished edges and tipped or rounded corners. Continuous interlinking handrail1E terminated on a structure is used as required by AS1288. Typically either 38.1 diameter stainless steel handrails or timber dowel on ribbon plate is specified.

Typically M12-M16 chemset threaded rods. (Dependent upon spacing and AS1170 loads)

Underslab braket 1D

The handrail is typically either mounted on a custom triangular mount and pin section at the top of each stanchion, or else via the through-glass patch fitting. Alternatively, it may be mounted via a horizontal bar off-stand (with glass mounted towards the void).

Typically M12 fasteners are through-bolted to the perimeter beam or trimmer joist. (Some further stabilisation of the member may be required.)

Min 180mm

Full-height blade stanchions with glass on patch fittings

technical

Void edge LVL

1E

H8

infill glass panels This table shows the recommended maximum glass span between patch fittings (mm). Design load Domestic/Residential

Toughened monolithic safety glass (mm)

Toughened laminated safety glass (mm)

8

10

12

10

12

16

1640

2000

2300

1980

2290

2830

Offices/Commercial stairs

1070

1650

1930

1630

1920

2380

Retail/Restaurant

1140

1430

1730

1420

1720

2150

C5 high loads

Special glass engineering: designed as required

Notes 1. These tables are to be used as a general design guide only. 2. Individual project requirements will dictate final glass specification and thickness. 3. All spans nominated are indicative of normal internal conditions. In some exposed situations, wind loads may exceed design load and thicker glass or smaller spans may be required.

4

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Typically > 60

Typically > 180mm

10-16mm steel fixing plate

4 M12-M16 chemset threaded rods dependent upon spacing and AS1170 loads)

1E. Typical LVL or bearer fixing detail of face-fixed H8 version. 1F. Slab fixing using off-stand bar rather than cylindrical bodies.

Non-shrink grout

Typically > 60 150x8mm ď € offstand bar

F indicated on dimensions denotes a nominal dimension that typically varies according to specific application, engineering requirements or client preferences.

1F

Full-height blade stanchions with glass on patch fittings

1D. Typical thin slab fixing detail of face-fixed H8 version. Underslab brackets provide satisfactory separation between fixing points, and can be configured to handle most slab types. Vertical M12 fixings are offset laterally so as not to interfere with the horizontal fixing.

H8 design elements

5


4A 2A. Front view of floor-fixed H8 voidedge balustrade showing equally spaced stanchions. Stanchions may also be located at a fixed distance to the side of glass. 2B. Side elevation of floor-fixed H8 void-edge balustrade. Stanchions are set off from the bulk-head via cylindrical stainless steel off-stands. Alternatively, the stanchion blades may sit flush with, or be partially enclosed by the bulk-head, with nonvisual off-stand and fixing assemblies.

EQ 40

40

12-20mm thick blade dependent upon spacing and AS1170 design load

F indicated on dimensions denotes a nominal dimension that typically varies according to specific application, engineering requirements or client preferences. 2A

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EQ 40

2C. Typical floor fixing of H8 using stainless steel visual components. Exact dimensions of base-plate and specification grade will vary according to design load requirements.

H8 6

EQ

Min 1000mm

Full-height blade stanchions with glass on patch fittings

Figure 2. Floor-fixed H8 void-edge balustrade.

12-17.52mm toughened or laminated toughened glass (dependent upon AS1170 load, span and glass location).


4C Min 50mm clear (AS1428.1 compliant)

50-100mm dependent upon spacing and AS1170 design Load Line of toughened or toughened laminated glass panel

Stainless steel visual dome nuts

Line of stanchions

M

M10-M16 threaded rod chemset fixings. Depth of fixing dependent upon AS1170 load and spacing.

A50D or A38D series patch fittings (Refer to Arden technical data sheet A.1 for detail)

Optional void edge trim

Floor coverings (carpet/other)

Structural floor surface Void bulkhead

2B

Plasterboard ceiling on battens

Top of baseplate may finish flush, above or below line of floor cover depending on floor covering thickness and/or client discretion.

2C

Full-height blade stanchions with glass on patch fittings

Actual position of stanchion relative to bulkhead face, may depend on interface between void-edge balustrade and staircase flight.

Handrail welded on top of stanchion pin (AS1288.2006 compliant) typically stainless steel CHS or timber over ribbon plate (For more detail refer to technical data sheet A.4 'Handrail profiles').

H8 design elements

7


1A

Timber tread

A Handrail (Typically stainless steel CHS or timber over ribbon plate) Positioned over stanchions with common centre-line

H8 stanchions

Optional large diameter corner rounds on glass Glass panels supported by patch fittings Landing

3

Patch fitting

Landing handrail welded on top of the stanchion pin (Typically stainless steel CHS or timber over ribbon plate)

A-A

1E A50D or A38D series patch fittings (Refer to System A patch fittings technical data sheet for detail)

12-15mm toughened or 12.76-17.52 toughened laminated glass depending on AS1170 design load, span and glass location

12-15mm toughened or 12.76-17.52 toughened laminated glass depending on AS1170 design load, span and glass location

Floor coverings (carpet/other)

H8

Nosing line

Landing

4

A

Stanchions fixed to structural steel core of tread assembly

5

8

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920mm recommended from top of the handrail to nosing line

Full-height blade stanchions with glass on patch fittings

Optional handrail end-detail with dowell plunging to finish floor

DETAIL SCALE 0.


40ď €

EQ

EQ

Min 1000mm

4. Isometric front elevation cut-away of H8 stanchion, handrail, and glass panel. Specialised fixing methods directly to landing structure are used so that attachment details are completely hidden. 5. Side elevation illustrating the specification of H8 balustrade on a raking flight. Simple tipped glass corners are specified.

12-20mm thick blade dependent upon spacing and AS1170 design load

12-17.52mm toughened or laminated toughened glass (dependent upon AS1170 load, span and glass location).

6

6 Front elevation of floor-fixed H8 void-edge balustrade with concealed fixings. Stanchions are located at a fixed distance to the side of glass. 7. Top glass fixing and handrail detail. An inset steel ribbon is used to strength the dowel handrail.

1F D

12-20mm thick blade dependent upon spacing and AS1170 design load

8. Raking flight termination detail with plunging handrail.

Handrail ribbon plate fixed to stanchion pin

Line of toughened or toughened laminated glass panel

Line of toughened or toughened laminated glass panel

Min 50mm clear (AS1428.1 compliant) 50-100mm dependent upon spacing and AS1170 design load A50D or A38D series patch fittings (Refer to Arden technical data sheet A.1 for detail)

A50D or A38D series patch fittings (Refer to Arden technical data sheet A.1 for detail)

Full-height blade stanchions with glass on patch fittings

3. Example of a typical H8 layout on a U-shaped landing. Large diameter rounds on glass corners and a suitable handrail termination detail have been specified.

Optional large-diameter corner rounds

Base of stringer

Line of stanchions

Floor coverings (carpet/other)

AD 7

A-A

Structural floor

8

H8 F indicated on dimensions denotes a nominal dimension that typically varies according to specific application, engineering requirements or client preferences.

design elements

9


F

A

Full-height blade stanchions with glass on patch fittings B

E

G

design standards for glass panels Glass balustrade panels must satisfy engineering requirements as specified in AS1288, and the Arden balustrade styles shown here are defined and specified with regard to the relevant design standards.

Cantilevered structural. Glass panels supporting an interlinking handrail cantilever from an appropriate floor fixing.

H

Of particular importance in the initial design stage, it is critical to maintain an awareness of the designation of glass panels as structural or infill, and the classification of handrail as loadsupporting, non-load-supporting, or interlinking. Combined with other considerations (e.g. whether or not mechanical point-fixings are specified, span is cantilevered or supported on both sides), this determines the grade of glass (e.g. laminated annealed, toughened safety, laminated toughened) and type of handrail that satisfies the code. As in other aspects of stair and balustrade design, Arden will advise with respect to the practicability of preliminary designs with respect to Australian standards.

Semi-framed lateral channel. Glass panels are fixed via proprietary or custom channel system on the bottom rail and underside of handrail. Two-edge clasp. Glass panels are supported on two opposite edges by clasp-style mechanical fixings. The bearing of point loads influence the required grade of glass. Hybrid. Glass panels are provided with a combination of the above methods so as to comply with safety requirements.

Semi-framed vertical channel. Glass panels are fixed via proprietary or custom channel system on each side.

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Two-side patch-fitting. Glass panels are supported on two opposite sides by through-glass mechanical fixings. The bearing of point loads influence the required grade of glass. Stanchions may be located between, or at intermediate locations within, each panel span.

Fully framed. Glass panels are provided with four-edge support and are therefore rated as infill only.

C

H8 10

glass balustrade styles


Intellectual property is copyright Š Archstairs Pty Ltd unless otherwise agreed in writing. All rights to the document are retained. Any use of the document by clients or third parties, unless specifically authorised by Archstairs Pty Ltd, are at their own risk and the user releases and indemnifies Archstairs Pty Ltd from and against all loss or damage arising from such use.

compliance Arden is a BSA licensed contractor for carpentry, joinery, glass, glazing and aluminium as well as structural metal fabrication and erection. Arden supplies a Form 16 (Licensed Contractor) on all projects. In design and construct contracts, a Form 15 (Design Engineer) certification is supplied upon request. For products and services incorporating the H8 system, this table shows compliance with relevant codes and standards.

Key full compliance with the code not applicable to this element

Code

Title

BCA

The Building Code of Australia

Applicability

AS NZS 1170.1-2002

Structural Design Actions – Permanent, imposed and other actions

AS 1288-2006

Glass in Buildings. Selection and installation.

AS NZS 1554.1-2004

Structural steel welding - Welding of steel structures

AS 1554.6-1994

Welding stainless steels for structural purposes

AS NZS 4586-2004

Slip resistance classification of new pedestrian surface materials

AS 1428.1-2009

Design for access and mobility

AS 1657-1992

Fixed platforms, walkways, stairways & ladders. Design, construction and installation

Full-height blade stanchions with glass on patch fittings

About this document

H8

design note For all commercial applications, it is important that sufficient space for the stairwell cavity be allowed to satisfy Australian Standards and BCA requirements. The footprint is primarily driven by the floor to floor rise, as well as the staircase configuration chosen. However, stringer and balustrade style design may increase the amount of space required. Allowing too small a cavity can restrict the design options of the staircase. Also, points at where the staircase interacts with other structures are best addressed early in the design cycle. Consultation with Arden early on will help ensure that these design issues can be addressed in a cost-effective manner.

design elements

11


www.arden.net.au

phone (07) 3267 6100 | fax (07) 3267 6500 | email admin@arden.net.au Office & factory: 46 Radley Street Virginia Qld 4014 Australia

Postal address: PO Box 317 Virginia Qld 4014 Australia Version 1.0. Design by www.cazazz.com

Design Element: H8 - Full-height blade stanchions with glass on patch fittings  

Combining full height stainless steel stanchions with structural toughened glass, the H8 system represents a striking and elegant balustrade...

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