TIVOLI CARPARK SITE DEVELOPMENT, LITTLE COLLINS ST

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1 1M M. GLAZING M1. ENVIRONMENTAL MANAGEMENT Refer to the approved Environmental Management Plan submitted in accordance with the requirements of Section 6, ENVIRONMENTAL MANAGEMENT, and ensure the mitigation and waste management processes to counter any environmental impact are established and in place. All materials intended for use in this project shall, as applicable, conform to the requirements of Section 6, ENVIRONMENTAL MANAGEMENT, Part 7 SELECTION AND SUPPLY OF PRODUCTS AND MATERIALS. M2. SCOPE This section includes glass, glazing plastics, glazing materials, structural glazing and general performance requirements for glass workmanship and installation. For details of facade glazing performance in conjunction with window framing systems refer to Section L. DOORS & WINDOWS. M3. CODES AND STANDARDS The following Australian Standards shall be deemed to govern requirements for relevant materials and workmanship under the Contract unless otherwise noted in the documents. AS / NZS 2208 AS 1288 AS Safety glazing materials for use in buildings Glass in buildings SAA Loading Code, Part 2 Wind forces Contactor is to ensure that all glazing enclosing the west lift core, meets the full requirements of the lift code. Refer also to Section L DOORS and WINDOWS for in-situ test requirements of total building envelope for air / weather sealing. M4. GLAZING PERFORMANCE Glass thickness shall be selected in accordance with AS 1288 (current addition) Glass in Buildings Selection and Installation and all other relevant codes, standards and contract documents and as recommended by the glass manufacturer unless otherwise specified and / or noted on the drawing. Glass thicknesses specified and/or noted on the drawings are minimum thicknesses acceptable. No glass in any location shall be less than 6mm thick. External glazing shall be designed to withstand the horizontal wind forces applicable for the location and Terrain Category of the site. Internal glazing shall be designed to resist a minimum internal pressure of 0.25kPa (permissible). The serviceability deflection limits on cladding components shall not exceed Span/90 (out of plane). Note: The serviceability deflection of the glass shall be limited as follows: the maximum deflection of the glass relative to its framing shall not exceed 15mm or the maximum recommended by the glass manufacturer, which ever is the lesser.

2 2M M4. GLAZING PERFORMANCE (Continued) The glazing installations exposed to differential air pressures and/or wet conditions and/or variable temperatures shall include provision for the following essential requirements: 1. Thermal and settlement movements. 2. Prevention of air leakage. 3. Prevention of water penetration. 4. Prevention of discolouration and/or etching of glass due to contamination by other materials. M5. GLASS, PLASTIC AND GLAZING MATERIALS M5.1 MANUFACTURER S CERTIFICATION For each type of glass and associated glazing material such as sealants, compounds, gaskets and the like, submit the manufacturer s written statement certifying that the product complies with the specification and is suitable for the specified application. M5.2 SEALANT REQUIREMENTS Unless otherwise approved in writing, silicone sealants where specified or shown on the drawings shall be of approved type and colour, conforming to the requirements of Part EM3 CRITERIA FOR SEALANTS, CAULKING AND ADHESIVE. Apply primers where required and complete the sealant system with backer rods and all other associated components to the sealant manufacturer s instructions. M5.3 MATERIALS Glass All glass to be heat strengthened shall have the roller marks parallel to the sill (horizontal). All glass to be safety glass shall exhibit a permanent label certifying the type. The Sub-contractor shall ensure that the glass manufacturer has reviewed the shop drawings and has confirmed that the size and configuration of the glass lights are acceptable, and that the glass types are appropriate for the anticipated thermal loads. All glass shall be selected of the type or types specified, free from air bubbles, crazing, distortion, cracks, scratches, chipped surfaces and arrises, discolouration, and other defects and damage. Weather Seals and Air Seals (Refer M5.2) Sealants shall be compatible, non-staining and fit for their intended purpose. Sealant geometry (and cross sections) shall be designed to accommodate the anticipated substrate movements. Non-structural sealants shall be either: Approved low modulus silicone (exposed or concealed); or Approved polyurethane (concealed). Acrylic sealants are not acceptable for frame seals or smoke flashings. Use closed cell backing rods, which do not adhere to the sealant and are compatible with the substrate.

3 3M M5. GLASS, PLASTIC AND GLAZING MATERIALS (Continued) Sealants are to be installed in accordance with manufacturer s procedures and recommendations. Acid curing sealants are not acceptable Sealants - Structural Glazing (Refer M5.2) Structural silicone shall be to approval and of high modulus appropriate to the use. Primers shall be the same brand manufacture as the sealants used and shall be compatible with the substrate and all adjacent materials. Determine structural silicone bite requirement from design wind pressure and panel size, using the sealant manufacturer's recommended procedure. Joint design must be in accordance with the sealant manufacturer's recommendation for glue-line and bite to glue-line ratio. Provide documentation of the sealant manufacturer's requirements for the particular substrates of the project regarding joint size, limitations, backer rod, mixing, cleaning, surface preparations, priming and application, temperature and humidity of glazing conditions and any other criteria which may affect sealant performance. Setting Blocks Setting and side blocks shall be used to support glazing within framing units. Setting blocks shall be dense heat cured silicone rubber with a Shore A hardness of durometer. Side blocks shall be dense heat cured silicone rubber with a Shore A hardness of durometer. Gaskets All gaskets/dry weather seals shall be Neoprene, EPDM or Santoprene. Gaskets and seals, used to achieve the required weather tightness and/or air tightness, shall be selected to accommodate fully the expected cladding movements, the range of dimension tolerances associated with fabrication and installation of the cladding system and shall be formed from materials capable of maintaining their elastic qualities, dimensions and resistance to physical or chemical attack sufficient to maintain full performance during the design life of the facade. Silicone Sealant (Refer M5.2) Provide sealant of selected colour and approved manufacture and of types recommended by the manufacturer to suit the various locations and materials. Sealant systems shall include all preparation and associated works and materials recommended by the sealant manufacturer. Application of sealant shall be by an approved specialist applicator recommended by the sealant manufacturer. Installation Contractor is to ensure that glazing channels and adaptors are correctly sized to match specific glass thickness.

4 4M M5. GLASS, PLASTIC AND GLAZING MATERIALS (Continued) Toughened Glass Toughened glass shall be Grade A safety glass. Do not cut, work, or permanently mark after toughening. Use installation methods which prevent the glass making direct contact with metals or other non-resilient materials. Toughened glass shall be heat-soaked prior to installation. Butt Jointed Glazing For direct butt jointing of glass to glass in frameless glazing use high performance structural grade silicone rubber sealant in accordance with the manufacturer s recommendations. Use clear silicone sealant unless otherwise noted. Laminated and Toughened Laminated Glass G05 Laminated glass shall be Grade A laminated safety glass consisting of two or more sheets of glass bonded together with a special polyvinylbutyral interlayer. In severe high hazard areas if so scheduled the sheets before laminating shall be Grade A toughened glass. Sealed Double Glazing G03 / G04 Units shall be manufactured accurately to the window and door apertures and of the following types and characteristics; located as scheduled: SOUTH FACADE NORTH, EAST FACADES Outer Glass 6mm low E (surface 2) 6mm low E (surface 2) Air Space 12mm 12mm Inner Glass 6mm clear 6mm clear Visible Light Transmittance Light Reflectance S Light Reflectance S Solar Transmittance Solar Reflectance S Solar Reflectance S Shading Coefficient Solar Heat Gain Coefficient U-Value (W / m2k) Glass Blocks Glass blocks for built-in pavement lights shall be NEG non-slip Prism blocks, size 120 x 120 x 40mm Type LF 120. Cast Iron gratings to suit group configurations shall be LF 120 with deep perimeter angle frame and short cross bars for block support.

5 5M M5. GLASS, PLASTIC AND GLAZING MATERIALS (Continued) Glass Floor Planks FF11 Translucent planks shall be as advise by Don Mathieson and Staff Glass Pty Ltd laminated from 2 layers of 19mm toughened glass, 1 top layer of non-slip 6mm glass, and with PVB interlayers of 1.52mm to a total thickness of nominal 47mm and width of nominal 500mm. The non-slip layer to be fired onto the top glass sheet during the toughening sequence to provide a non-slip rating of VF in accordance with AS / NZS Angle perimeter support framing shall be mild steel galvanised sections sized in accordance with manufacturer / suppliers recommendations. Panel translucency shall restrict transmission of visible light to maximum of 63%. Polycarbonate PP04 / PP03 Cellular panels for window glazing shall be Danpalon or equal manufacture, DP10, in opal translucent finish with shading coefficient of 0.38 and solar heat gain of maximum 261 w / m². Solid sheet for exposed water discharge panels shall be heat formed at edges and at centre of span to form fixing flanges and stiffening ribs. Sheet material shall be as supplied by Cadillac Plastics Pty Ltd or equal product manufacture, in clear mar-resistant quality and in thickness recommended by the supplier / manufacturer for the spans required. M6. WORKMANSHIP Generally Perform the required cutting, bending and the like processes on glass. Form necessary holes for fixings, equipment, and the like as applicable. Edge Treatment Exposed and unframed edges of glass shall be ground smooth and polished. Glass edges for silicone butt jointed glazing shall be cut square and edges slightly arrised. Glass louvres shall have all edges ground smooth and arrised. Installation Install glass to AS Use methods such that:- each piece of glass is held firmly in place by permanent means which enables it to withstand the normal loadings and ambient conditions applicable to its location without damage to or failure of glass and glazing materials; building movements are not transferred to the glass; external glazing is watertight and prevents the entry of rainwater into the building. Install polycarbonate similarly and where screw fixed use stainless steel screws with EPDM washers through oversize holes for expansion and flexure movements.

6 6M M7. OPERABLE LOUVRES FS.04 Louvre sets shall be Breezeway units with 152mm x 6mm toughened glass blades complying with AS 2047 to achieve an air infiltration rate no greater than 1.8 litres / m² at 75 Pa. Units shall be fully framed with sills, weather strip, head channel and side galleries. All metal work to be in selected colour powdercoating, all glazing clips to match. Louvre sets in banks of three shall be remote controlled by Soady torque rod, surface mounted control gear, operated by Soady ST V electric actuators. Controls shall be brought to a common operating position and connected to the building management system as part of the Electrical Services Works. Provide a warranty in the name of the Principal against any defect in the materials and workmanship for a period of 7 years from Practical Completion. M8. PAVEMENT LIGHTS FF.09 Cast iron gratings shall be fabricated to house glass blocks specified, into the following arrangements: North Pavement Lights 5 blocks x 11 blocks South Pavement Lights 4 blocks x 11 blocks Cast or build-in to the paving sub layer anchor bars bolt attached to the perimeter frame with the sub pavement waterproof membrane carried up the sides of the frame and clamped all in accordance with NEG details. Install glass blocks onto waterproof perimeter pads and grout into position with grout recessed well down to take further waterproof lining strips. All glazing blocks to be non-slip resistance Finish field joints with waterproofed mortar and seal perimeter block joints with silicone all in accordance with NEG details, including spacer strips, bond break tape etc. as shown. Provide a warranty in the name of the Principal against any defect in the materials and workmanship for a period of 7 years from Practical Completion. M9. GLAZED FLOORING FF.11 Glazed plank floor sections shall be laid onto bearing and supporting steel sections with a minimum bearing surface of 20mm width. Set framing out to provide minimum 6mm edge and soffit gaps from the planks and fit glazing blocks with silicone seals all round top and base edges and to abutting plank joints. Silicon seals to comply with Clause M5.2. Glazing blocks shall be approved type with shore hardness 80 to 90 / durometer. Maximum deflection in fitted planks shall be span / 500. Leave surfaces totally clean, free of smears, etc.

7 7M M9. GLAZED FLOORING FF.11 (Continued) Provide a warranty in the name of the Principal against any defect in the materials and workmanship for a period of 7 years from Practical Completion. M10. BALUSTRADE GLAZING General Provide glazing to balustrades at balconies, landings and stairs as shown on the drawings. Glass balustrades shall be designed and installed in accordance with AS 1288:1994, AS 2208: 1996 and all relevant standards, codes of practice and manufacturer's recommendations. Glass balustrades shall be toughened glass to the thickness(es) scheduled. All toughened glass shall be 'heat soaked'. All roller marks shall be horizontal. The glass shall be clear or transparent as indicated on the drawings and / or schedules. Glass shall be held into stainless steel channels and beaded angles, fitted into steel framed balustrading in Section H, METALWORK. Any exposed glass edges shall be ground smooth and vertical edges shall be ground and polished. Continuous Support Framing Continuous support framing is required formed generally of channel section with bead fitted angles to match, only where necessary for glass installation. All framing shall be fabricated from stainless steel which shall be grade 304 and designed in accordance with AS 4100 : 1990, AS / NZS : 1994 and all other relevant codes and standards. Setting blocks shall be dense heat cured silicone rubber with a Shore hardness of durometer. All glass shall be sealed into framing with approved silicon sealant in accordance with Clause M5.2. Note: No glass to metal contact shall be allowed. Samples Submit 300mm long sample of proposed framing members to the Superintendent for approval, 20 days prior to order. The sample shall include glass and any associated component bracketry. Shop Drawings The Contractor shall prepare and provide to the Superintendent, shop drawings showing clear and complete details of proposed assembly, component and connection, together with all information relative to fabrication material, surface treatment and erection. Provide a warranty in the name of the Principal against any defect in the materials and workmanship for a period of 7 years from Practical Completion.

8 8M M11. MIRRORS G01 Provide frameless mirrors of sizes indicated on the drawings and constructed as follows:- Construct mirror from first quality 6mm thick float glass with edges arrised and ground smooth. Glass shall be coated with the highest quality silvering and backs shall be sealed and waterproof. Fully back glass with 9 thick waterproof plywood sheet and fix over wall framing detail. Glue backing to wall framing with approved adhesive and seal joint around mirror with clear waterproof silicone. Ensure sealant does not contact silver coating. In Disabled Toilets provide approved aluminium framed proprietary tilted mirror of sizes as drawn. Aluminium frame components to be selected powdercoat finish. Provide a warranty in the name of the Principal against defects in materials and workmanship for a period of not less than 3 years from the date of Practical Completion.