(19)

(11)

EP 4 240 921 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21887924.5 (22) Date of filing: 09.11.2021

(51) International Patent Classification (IPC):  E04B 1/26(2006.01) E04B 1/48(2006.01) E04B 1/38(2006.01) (52) Cooperative Patent Classification (CPC): E04B 2001/2648; E04B 1/2604 (86) International application number: PCT/AU2021/051323 (87) International publication number: WO 2022/094677 (12.05.2022 Gazette 2022/19)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.11.2020 AU 2020904092 23.12.2020 AU 2020904832 14.07.2021 AU 2021902153 24.08.2021 AU 2021221557 (71) Applicant: Lendlease Digital IP Pty Limited Barangaroo, NSW 2000 (AU)

(72) Inventors: BUTLER, Timothy, John Barangaroo, New South Wales 2000 (AU) SATASIVAM, Sindu Barangaroo, New South Wales 2000 (AU) VAN WANROOY, Robert, Francis Barangaroo, New South Wales 2000 (AU) SAEED, Mirza, Saqib Barangaroo, New South Wales 2000 (AU) WILLIAMS, William, Luke Christchurch, 8442 (NZ) ROEBUCK, Jonathan, Keith Christchurch, 8442 (NZ) MURRAY, Robert, Conlan Christchurch, 8442 (NZ) BOTMAN, Kevin, Paul Christchurch, 8442 (NZ) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)