Construction World December 2019
Category: Architects
THE LEONARDO The first major tower building to be constructed in South Africa in decades, The Leonardo, is a complex mixed-use high-rise building which in these troubled times, has been termed a beacon of hope. It epitomises the success possible when a strong vision of a potential future drives collaboration and energy in the construction industry. Remarkably, the 55 storey building was built on the brownfields site
of a previously failed development. T he design and construction of the fast track project had to account for existing excavations and IRXQGDWLRQV IURP D SUHYLRXV IDLOHG GHYHORSPHQW SURMHFW 7KH H[FDYDWLRQ KDG EHHQ DEDQGRQHG IRU VHYHUDO \HDUV exceeding the temporary design life of the lateral earth VXSSRUW V\VWHP The geology of the site also proved to be SUREOHPDWLF ZLWK D GLDEDVH G\NH WUDYHUVLQJ WKH VLWH DQG JURXQGZDWHU VHHSDJH WKURXJK URFN ͤVVXUHV The Leonardo design accounted for the retention of WKH H[LVWLQJ EDVHV OLPLWLQJ WKH GHPROLWLRQ RI H[LVWLQJ foundations and where possible incorporating these LQWR WKH VWUXFWXUDO DQG DUFKLWHFWXUDO GHVLJQ 7KLV SURYLGHG VLJQLͤFDQW FRQVWUDLQWV 7KHUHIRUH WKH FRUH RI 7KH /HRQDUGR LV RULHQWDWHG LQ DQ HDVW ZHVW direction and is designed to straddle the relic core IRXQGDWLRQ WKDW ZDV RULHQWDWHG QRUWK VRXWK The solution enabled a largely column free tower SODQ ZLWK SHULPHWHU FROXPQV RQ WKH SUHGRPLQDQWO\ QRUWK DQG VRXWK IDFLQJ IDFDGHV 7KH QRUWKHUQ ID©DGH of the tower is carried by transfer columns which were designed to be the key architectural feature within the PDLQ SXEOLF VSDFH DW WKH WRS RI WKH SRGLXP
PROJECT INFORMATION
• Company entering: &R $UF ,QWHUQDWLRQDO $UFKLWHFWV ,QF • Client: 75 On Maude • Start date: 1RYHPEHU • End date: End 2019 • Main contractor: $YHQJ *ULQDNHU /7$ • Architect: &R $UF ,QWHUQDWLRQDO $UFKLWHFWV ,QF • Principal agent: Legacy Development Management • Quantity surveyor: SM Schneid Quantity Surveyors • Consulting engineer: Richie Midgley Consulting Engineers
B E S T P R O J E C T S 2019
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