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0343 MAKMAX tensile membrane structures - NATSPEC

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0343 MAKMAX tensile membrane structures - NATSPEC

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0343 MAKMAX TENSILE MEMBRANE STRUCTURES

    1 GENERAL

    1.1 RESPONSIBILITIES

    General

    Requirements: Provide MAKMAX tensile membrane structures to design, specification and certification

    requirements, as documented.

    Performance

    Outcomes: Provide a structure to satisfy functional requirements by an ISO 9001 accredited company.

    Design

    Tensile membrane structures: Site specific in accordance with relevant standards for materials and

    loading.

    1.2 COMPANY CONTACTS

    MAKMAX technical contacts

    Website: www.makmax.com.au/contact/enquiry-form

    1.3 CROSS REFERENCES

    Add content or comments here.

     ? [complete/delete]

    1.4 STANDARDS

    Design loads: To AS/NZS 1170.

    Attachment to concrete structures: AS 3600.

    1.5 MANUFACTURER’S DOCUMENTS

    Technical manuals

    Website: http://www.makmax.com.au/contact/become-a-member

    1.6 INTERPRETATION

    Abbreviations

    General: For the purposes of this worksection the following abbreviations apply: - ETFE: Ethyl tetra fluoroethylene. Trade names include Asahi Glass Fluon?. - EPDM: Ethylene propylene diene monomer

    - HDPE: High density polyethylene.

    - PES: Polyethersulphone.

    - PL: Photoluminescence.

    - PTFE: Polytetrafluoroethylene. Trade names include DuPont Teflon?. Trade names for PTFE coated membranes include Chukoh? and Sheerfill?.

    - PVC: Polyvinyl chloride.

    - PVDF: Polyvinylidene fluoride.

    - PVF: Polyvinyl fluoride.

    - TiO: Titanium dioxide. 2

    - TS: Tension system.

    Definitions

    General: For the purposes of this work section the following definitions apply: - Catenary cable pocket: Edge treatment in which the fabric is folded over on itself to form a pocket in

    which a catenary cable can be installed.

    - Clamp plate: A continuous metal plate bolted to a linear framing element that clamps a membrane in

    place.

     ? NATSPEC (Apr 12) 1 [insert date]

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    - Fabric clamp: Device for clamping the edge of a fabric panel, usually a bar or channel shape and made of aluminium or steel.

    - Flaking: The process of loosely folding a membrane back and forth upon itself concertina-fashion. It reduces stresses on the fibres of the membrane fabric by eliminating tight folds and creases. - HF welding: The welding of polymer materials by heating them with high frequency electromagnetic waves.

    - Lycra: The brand name of Invista (formerly part of DuPont) for spandex or elastane, an elastic synthetic fibre.

    - Membrane: A thin and flexible sheet of fabric material.

    - Membrane plate: A metal plate that clamps the corner of a membrane to its support structure, or a pair of plates that clamp a membrane corner between them and are then attached by a hinged fitting to the support structure.

    - Rope edge: A reinforced edge seam formed by folding the fabric over a Polyethylene rope or EPDM cord. It provides strength and a surface to evenly distribute fabric tension forces. It is sometimes referred to as a keder edge after the brand of often used for this purpose.

    - Sail track: A lipped channel extruded section designed to retain the rope edge of a membrane against the structure to which the sail track is fixed.

    - Shade cloth: A knitted or woven fabric designed for external use with a weave designed to provide a specified amount of shade.

    - Shade structure: A tensile membrane structure having the primary purpose of providing shade to an area of ground.

    - Strand: An assembly of wires which are of appropriate shape and dimensions, spun helically in one or more layers around a core.

    - Swage: To deform a ferrule or termination to crimp a wire rope in place. The term is also sometimes used to describe the tool used for this purpose.

    - Terminal, termination: Fittings fixed to the ends of wire ropes for the attachment of other fittings or building elements.

    - Thimble: An insert placed in an end loop of wire.

    - Turnbuckle: A coupling device comprised of a central body internally threaded at both ends, into which threaded rods with opposite handed threads are inserted, allowing tension between the coupled items to be increased or decreased by rotation of the central body, and without causing rotation of the items.

    - Tensile membrane: A thin cloth or sheet that is held in a predetermined 2- or 3-dimensional shape, under permanent tension. The shape and the tension are interrelated and designed to safely carry the permanent and imposed loads (such as those resulting from wind actions) in a predictable manner.

    - Tensile membrane structure: The total structure comprising the tensile membrane(s), supporting structures, rigging, foundations and existing structures to which they are attached. - Useful life: The earliest estimated age of the membrane at which it can no longer carry its design ultimate loads.

    - Wire: A single continuous steel filament.

    - Wire rope: Rope comprised of strands helically twisted together around a core. 1.7 INSPECTION

    Notice off-site

    Inspection: Give notice so that inspection may be made of the following:

    - Materials including fabric or membrane.

    - Commencement of fabrication.

    - Completion of fabrication.

    Notice on-site

    Inspection: Give notice so that inspection may be made of the following:

    - Fabric or membrane on site before erection.

    - Installation of fabric or membrane before final tensioning of the structure.

     ? NATSPEC (Apr 12) 2 [insert date]

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- Completion of installation.

    1.8 SUBMISSIONS

    Design

    Calculations: Provide calculations and/or certification to confirm that:

    - Proposed structures will be stable and safe.

    - The membrane or fabric can carry the full loads arising from wind actions, snow loadings and live loadings for the stated useful life, taking into consideration UV and other degradation. - Adjoining structures required to support loads from the proposed structures are adequate. Useful life

    Useful life: [complete/delete]

    Seams

    Design: Design the individual fabric or membrane segments to minimise the number of joins and ensure that seams are shingle laid and that cut edges face down hill. Lay out seams to provide the desired shape without wrinkles.

    Shop drawings

    General: Submit shop drawings including the following:

    - Overall plans and elevations of the final design.

    - Details of the support structure, footings and bracing where applicable. - Details of tensile membranes including size and shape of the membranes; seam layout; type and location of shop and field joint connections; sizes, types and extent of all welded seams and pockets. - Details of cables, membrane plates, clamp plates and connectors.

    - Design tension figures for the fabric and the connectors.

    Product data

    Website: www.makmax.com.au/main-menu/portfolio

    General: Submit product data as follows:

    - For MAKMAX systems, MAKMAX’s details, specification and design certification.

    - For fabric or membrane, manufacturer’s technical data sheets providing the following information:

    . Test reports on material strength.

    . Test reports on UV stability through accelerated tests.

    . Manufacturer’s warranty.

    . Flammability test results.

    . For PVC coated polyester fibre, silicon coated glass fibre, ETFE and PTFE coated glass fibre

    fabric, confirming degree of translucency.

    Warranty

    MAKMAX warranty: Submit details of proposed warranty terms and period for approval. 1.9 TOLERANCES

    General

    Installed support structure: ? 5 mm

    1.10 TESTING

    General

    General: Conform to the Non-destructive testing schedule.

    Seam tests

    General: Load test seams in direct tension across the weld and also in the overlap direction to measure tensile strength and adhesion.

    Acceptance: Accept fabricated seams and joints when strength exceeds 90% of the coated fabric strength in strip tensile testing.

    Type tests

    Submit results of type tests as follows:

    - ISO 9001 Certification

    - Fire testing to AS/NZS 1530.3 by Australian Wool Testing Authority (AWTA).

     ? NATSPEC (Apr 12) 3 [insert date]

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- Tear resistance to DIN 53363.

    2 PRODUCTS

    2.1 GENERAL

    Product substitution

    Other tensile membrane structures: Conform to SUBMISSIONS, Substitutions in the General

    requirements worksection.

    2.2 COMPONENTS

    Corrosion protection

    Corrosive resistance and durability: In conformance with the Corrosion resistance and durability table.

    Corrosion resistance and durability

    Compliance: Conform to the Corrosion resistance and durability table(s), or provide proprietary

    products with metallic and/or organic coatings of equivalent corrosion resistance and as follows:

    - Galvanize: To AS/NZS 4680.

    Corrosion resistance and durability table Atmospheric corrosivity category A, B to

    AS/NZS 2312

    Situation Connectors and other structural steel

    accessories above damp proof course (each

    surface) 2Internal Galvanize after fabrication 300 g/m

     Metallic-coated sheet Z275/AZ150 2 Galvanized wire 300 g/m

     In line galvanized sections with after fabrication

    coating repair ILG/150 2External Galvanize after fabrication 300 g/m

     Metallic-coated sheet Z600 2 Galvanized wire 470 g/m

Corrosion resistance and durability table Atmospheric corrosivity category C to

    AS/NZS 2312

    Situation Connectors and other structural steel

    accessories above damp proof course (each

    surface)

    2Internal Galvanize after fabrication 300 g/m 2 Galvanized wire 300 g/m

     Metallic-coated sheet Z275/AZ150 2External Galvanize after fabrication 600 g/m 2 Galvanized wire 470 g/m

Corrosion resistance and durability table Atmospheric corrosivity category D, F to

    AS/NZS 2312

    Situation Connectors and other structural steel

    accessories above damp proof course (each

    surface)

    2Internal Galvanize after fabrication 600 g/m

    External Stainless 316

     Engineered polymer

Preservation of coatings

    Galvanized items: Do not cut after galvanizing.

     ? NATSPEC (Apr 12) 4 [insert date]

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Structural steel

    Design and materials: To AS 4100.

    Welding: To AS/NZS 1554.

    Structural cables

    Steel wire ropes: To AS 3569.

    General: Preload structural cables by cyclic loading to achieve a uniform modulus of elasticity and to ensure a linear stress/strain relationship within the working range. Employ a swaging system to achieve a breaking strength of terminals not lower than the minimum design strength of the cable system.

    Materials: Stainless steel Grade 316 or galvanized steel.

    Terminal connections

    Material: Stainless steel, Grade 316 or galvanized steel.

    Membrane and clamp plates

    General: Finish membrane and clamp plates with smooth rounded arrises to the edges and penetrations to prevent chaffing of the membrane or fabric.

    Material: Aluminium alloy sheet to AS/NZS 1865, Grade 316 stainless steel or mild steel designed to AS 4100.

    Metal components

    Finish: Radius all corners and edges of components in contact with membrane. Radius to exceed 3 mm.

    Shade fabric

    Standard: To AS 4174.

    Shade factor: Nominal 90% under tension.

    UV Factor: [complete/delete]

    Stitching: Use UV stabilised 100% HDPE thread with a minimum tensile strength of 180 N. Incorporate lock type stitching with a twin needle machine.

    HF welding: Weld PVC membranes with high frequency (HF) welder ? 15 kW. Weld times, pressure

    and wattage vary from 1-10 seconds depending on the material specification. Edge treatment: [complete/delete]

    Waterproof membranes

    Supply: Supply fabric coated by a single manufacturer as part of a single batch. Inspection: Check each roll of material for flatness, faults in the woven fabric and the coating by visual inspection in directional sunlight at a distance of 4 m and by passing the membrane over a uniformly illuminated surface.

    Weight: [complete/delete]

    2.3 ARCHITECTURAL MEMBRANES

    MAKMAX Architectural Membranes

    Configuration: Refer to drawings for the configuration of membranes and support structures. Dimensions: depth x width x overall height (mm): [complete/delete]

    Membrane material: [complete/delete]

    Membrane colour: [complete/delete]

    Steel frame finish: [complete/delete]

    Select hot-dip galvanized, Triplex?, two-pack polyurethane or powdercoat finish. (The Triplex? brand

    steel protection system is comprised of an aluminium and zinc coating followed by two coats of powdercoat.)

    Colour: [complete/delete]

    Powdercoating: Select from Dulux APO grey (32786), Black satin (19268), Claret (32774), Classic hawthorn green (33709), Ocean mist (83250), Precious silver pearl (57225), Primrose (84365) or White pearl (81880).

    Sail track: [complete/delete]

    Colour: [complete/delete]

    Cables: Multi-strand wire rope comprised of cold-drawn Grade 316 stainless steel wires.

     ? NATSPEC (Apr 12) 5 [insert date]

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Diameter (mm): [complete/delete]

    Lay: [complete/delete]

    Terminations: Stainless steel.

    2.4 CARPARK SHADE STRUCTURES

    MAKMAX Architectural carpark shelters

    Type: [complete/delete]

    Configuration: [complete/delete]

    Carspaces: [complete/delete]

    Dimensions: depth x width x overall height (mm): [complete/delete] Under canopy clearance (mm): [complete/delete]

    Membrane material: [complete/delete]

    Membrane colour: [complete/delete]

    Steel frame finish: [complete/delete]

    Colour: [complete/delete]

    2.5 ARCHITECTURAL UMBRELLAS

    MAKMAX Architectural umbrellas

    Model: [complete/delete]

    Model No.: [complete/delete]

    Canopy shape: [complete/delete]

    Support configuration: [complete/delete]

    Dimensions: depth x width x overall height (mm): [complete/delete] Under canopy clearance (mm): [complete/delete]

    Membrane material: 100% UV stabilised, waterproof, architectural grade PVC coated polyester fabric

    with PVDF finish to both sides, protected against microbial and fungal attack. Membrane colour: [complete/delete]

    Steel support finish: Triplex? brand steel protection system: Preparation by abrasive blast to Class 3,

    metal spray application of aluminium and zinc, followed by two coats of powdercoat.

    Steel support colour: [complete/delete]

    Accessories: [complete/delete]

    2.6 TEXTILE FACADES

    MAKMAX Textile Facade

    Configuration: Refer to drawings for locations and layout. Panel dimensions: depth x width x overall height (mm): [complete/delete] Membrane or infill material: [complete/delete]

    Weight: [complete/delete]

    Colour: [complete/delete]

    Steel frame finish: [complete/delete]

    Colour: [complete/delete]

    Attachment to structure: Refer to drawings for attachment locations and layout. Sail track: [complete/delete]

    Colour: [complete/delete]

    Cables: Multi-strand wire rope comprised of cold-drawn Grade 316 stainless steel wires.

    Diameter (mm): [complete/delete]

    Lay: [complete/delete]

    Framing: Profil TS aluminium extrusions.

    Framing profiles: [complete/delete]

    Fabric gripper bar: TS Key and Gripp PVC grip on aluminium carrier. Frame finish: [complete/delete]

     ? NATSPEC (Apr 12) 6 [insert date]

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Colour: [complete/delete]

    Attachment to structure: Refer to drawings for attachment locations and layout. 2.7 TEXTILE INTERIORS

    MAKMAX Textile Interiors

    Configuration: Refer to drawings for locations and layout.

    Panel dimensions: depth x width x overall height (mm): [complete/delete]

    Infill fabric: [complete/delete]

    Fabric weight: [complete/delete]

    Fabric colour: [complete/delete]

    Steel frame finish: [complete/delete]

    Colour: [complete/delete]

    Sail track: [complete/delete]

    Colour: [complete/delete]

    Cables: Multi-strand wire rope comprised of cold-drawn Grade 316 stainless steel wires. Diameter (mm): [complete/delete]

    Lay: [complete/delete]

    Framing: Profil TS aluminium extrusions.

    Framing profiles: [complete/delete]

    Fabric gripper bar: TS Key and Gripp PVC grip on aluminium carrier.

    Frame finish: [complete/delete]

    Colour: [complete/delete]

    Attachment to structure: Refer to drawings for attachment locations and layout. 3 EXECUTION

    3.1 FABRICATION AND ERECTION

    Specialist subcontractor

    Contact: [complete/delete]

    Adjoining structures

    Clearance: Make sure there is clearance to other structures sufficient to avoid contact through displacements under the loading conditions.

    Transport, storage and handling of membranes

    General: Handle carefully during fabrication, transport and assembly to avoid damage. If assembling on coarse surfaces, provide protective sheeting to avoid chafing.

    Guidance on handling procedures: Refer to www.makmax.com.au/contact/become-a-member

    Fabrication: Fabricate under factory shop conditions.

    Holes: Punch all holes with neat and uniform edges using a 1 mm oversized punch. Cutting: Cut along lines marked out to ? 2 mm accuracy.

    Joints: During fusing of structural joints maintain the integrity of the coating to ensure complete isolation of the base fabric from air and moisture.

    Lifting and moving: Lift and move rolls of fabric with spreader bars and sufficient numbers of handlers to avoid localised creases and stresses on the fabric.

    Damage and soiling: Lay out membranes on clean, dry surfaces only. Do not run wheeled equipment over membranes or walk on them.

    Flaking: Provide stiff tubes of at least 150 mm diameter at flakes in PTFE, ETFE and Tensotherm membranes to minimise stresses on the material at these points. Flake membranes in a manner that assists installation.

    Creases: Avoid creases. In membranes other than PTFE, ETFE and Tensotherm, if slight creasing is unavoidable, it will be accepted if creases are isolated, minimal and generally not perceptible from a distance of 3 m.

     ? NATSPEC (Apr 12) 7 [insert date]

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    Tensioning: Tension the assembled membranes or fabric to the design tension figures for them and for the connections. Tension membranes in a way that avoids localised stresses and abrasion. Welding membranes

    Preparation: For non weldable fabric coatings, remove coatings to the extent necessary for welding in a manner that does not weaken the base fabric and does not extend beyond the zone that will be welded.

    Welding: Weld all joins at seams and perimeter reinforcing in accordance with the membrane manufacturer’s directions.

    Structural steel

    Handling: Transport and store so as to avoid permanent deformation of the wire, rope or strand. Erection

    Stability: Erect the structural components in a sequence that ensures stability during construction. Temporary support: If temporary support is proposed provide details.

    Wrinkles: Tension the structure to within (?) 10% of the pre tensioning values, so as to produce completed membranes that are effectively wrinkle free. 2- Acceptance: One 200 mm long wrinkle per 200 m of fabric, and/or minor wrinkles at convergence

    points.

    Patches: 2- Acceptance: Structurally and visually unimportant locations, one patch per 200 m of fabric.

    3.2 COMPLETION

    Cleaning

    General: Leave membrane in a clean state with all connections tightened and tensioning systems properly secured and locking mechanisms in place. Touch up any damage to paintwork on supporting posts and ensure that stainless steel fittings are free from handling marks.

    Instruction manual: Provide written details on dismantling and reassembling the membrane or fabric structures and if any special equipment is required for these operations.

    Record drawings

    General: Provide record drawings of the structures where details have been changed from the shop drawings.

    Warranty

    General: Provide the approved warranty for the fabric or membrane material to guarantee that the minimum strength will be retained for the useful life.

    Duration: For the membrane fabric: From the date of manufacture. For all other structural elements: From the date of practical completion.

    Maintenance manual

    General: At the date of practical completion provide 2 copies of the maintenance manual in A4 format bound in a plastic binder and containing the following information:

    - The name and contact numbers of the contractor.

    - A copy of the as constructed drawings including the practical completion date. - The manufacturer’s details of the fabric or membrane.

    - Instructions on dismantling and reassembling of the membranes including special tools or equipment required, including advice on whether they should be dismantled before an impending cyclone.

    - Details on maintenance of the fabric membrane including cleaning, damage repairs and restitching of the seams.

    4 SELECTIONS

    4.1 SCHEDULES

    Schedule name

    Property Type (or Code if a finish)

    A B C

     ? NATSPEC (Apr 12) 8 [insert date]

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    Property Type (or Code if a finish)

    A B C

Non-destructive testing schedule

    Items to be tested Test method Other requirements

     ? NATSPEC (Apr 12) 9 [insert date]

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