Corrugated aluminium pipe shall be fabricated from Alclad 3004-H34 in CAP Base accordance with AASHTO M197-01. Raw material coil width shall be Material 650mm or greater to maximise lock seam spacing. Manufacture shall be in accordance with AASHTO M196-92 to the Manufacture tolerances shown in AS 1761, and shall incorporate a staked, double offset lock-seam joint. The structural design procedure shall be in accordance with AS 1762, Design modified to suit the aluminium section properties of Alclad 3004-H34 with regard to metal strengths and flexibility, which are as follows: Modulus of Elasticity (E) = 69 000 MPa Yield Stress = 165 MPa Flexibility factor = 0.46 mm/N The aluminium thickness shall be 2.0mm for up to and including 450mm Aluminium diameter, 2.5mm for 600mm to 1500mm diameter, and 3.0mm for 1650mm Thickness to 2400mm diameter. The corrugations shall be 68mm x 13mm for up to and including 1500mm Corrugation diameter, and 125mm x 25mm for 1650mm to 2400mm diameter. Dissimilar metals shall not be permitted to be in direct contact with Dissimilar aluminium pipe. Metals 404.08 REINFORCED CONCRETE BOXES Reinforced concrete box culvert units with spans up to and equal to 1200 RCBs mm shall be manufactured, tested and inspected in accordance with 1200mm) ≤ Annexure 404C and AS 1597.1. Reinforced concrete box culvert units with spans of 1500 mm and greater RCBs (Spans shall be manufactured, tested and inspected in accordance with Annexure 1500mm) ≥ 404C and AS 1597.2. Reinforced concrete box culvert units shall be manufactured to suit the conditions as specified in Annexure 404A Table 404A1, in – accordance with the requirements of Table 404A2. Joint sealant for masking external joints shall be a 150mm wide joint Joint Sealant sealant complying with this SPECIFICATION. 404.09 REINFORCEMENT & IN-SITU CONCRETE 404.09.01 REINFORCEMENT Reinforcing steel shall conform to the requirements of SPECIFICATION 822 STEEL REINFORCEMENT. 404.09.02 IN-SITU CONCRETE The supply of in-situ concrete for base slabs and end treatments shall conform to requirements of Annexure 404A Table 404A3. –
Corrugated aluminium pipe shall be fabricated from Alclad 3004-H34 in accordance with AASHTO M197-01. Raw material coil width shall be 650mm or greater to maximise lock seam spacing. CAP Base Material Manufacture shall be in accordance with AASHTO M196-92 to the tolerances shown in AS 1761, and shall incorporate a staked, double offset lock-seam joint. Manufacture The structural design procedure shall be in accordance with AS 1762, modified to suit the aluminium section properties of Alclad 3004-H34 with regard to metal strengths and flexibility, which are as follows: Design Modulus of Elasticity (E) = 69 000 MPa Yield Stress = 165 MPa Flexibility factor = 0.46 mm/N The aluminium thickness shall be 2.0mm for up to and including 450mm diameter, 2.5mm for 600mm to 1500mm diameter, and 3.0mm for 1650mm to 2400mm diameter. Aluminium Thickness The corrugations shall be 68mm x 13mm for up to and including 1500mm diameter, and 125mm x 25mm for 1650mm to 2400mm diameter. Corrugation Dissimilar metals shall not be permitted to be in direct contact with aluminium pipe. Dissimilar Metals 404.08 REINFORCED CONCRETE BOXES Reinforced concrete box culvert units with spans up to and equal to 1200 mm shall be manufactured, tested and inspected in accordance with Annexure 404C and AS 1597.1. RCBs ≤ 1200mm) Reinforced concrete box culvert units with spans of 1500 mm and greater shall be manufactured, tested and inspected in accordance with Annexure 404C and AS 1597.2. RCBs (Spans ≥ 1500mm) Reinforced concrete box culvert units shall be manufactured to suit the conditions as specified in Annexure 404A – Table 404A1, in accordance with the requirements of Table 404A2. Joint sealant for masking external joints shall be a 150mm wide joint sealant complying with this SPECIFICATION. Joint Sealant 404.09 REINFORCEMENT & IN-SITU CONCRETE 404.09.01 REINFORCEMENT Reinforcing steel shall conform to the requirements of SPECIFICATION 822 STEEL REINFORCEMENT. 404.09.02 IN-SITU CONCRETE The supply of in-situ concrete for base slabs and end treatments shall conform to requirements of Annexure 404A – Table 404A3.