Construction World December 2020

Construction DECEMBER 2020 P U B L I C A T I O N S CROWN COVERING THE WORLD OF CONSTRUCTION

WORLD

SPECIAL ISSUE

B E S T P R O J E C T S

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CONCRETE results at OLD CAPE QUARTER

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CONTENTS

2020’s Best Projects winners

18 Roggeveld Wind Farm Concor

22 Oxford Parks Phase 2 Concor

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32 Durban Heights Reservoir 3 Sika South Africa

ON THE COVER

The old-world charm of Cape Town’s De Waterkant area is being captured in a new mixed-use development at the Old Cape Quarter, with main contractor GVK-Siya Zama Construction working closely ZLWK $IUL6DP RQ ͤQGLQJ FRQFUHWH VROXWLRQV .LFNLQJ RII LQ 0D\ DQG VFKHGXOHG IRU FRPSOHWLRQ LQ PLG WKH SURMHFW LV DGGLQJ IRXU ͥRRUV RI OX[XU\ DSDUWPHQWV RQWR WKH H[LVWLQJ UHWDLO OHYHO DQG RͦFH OHYHO ZLWK WKUHH EDVHPHQWV 7KH XSPDUNHW XQLWV LQFOXGH RQH bedroom and two-bedroom apartments, as well as three bedroom SHQWKRXVHV Turn to page 4

38 Coastal Park: Material’s Recovery Facility JG Afrika

40 Sandton Gate Phase 01 Boogertman + Partners/Tiber Construction

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Despite challenging conditions, Construction World’s 19 th Best Projects Awards, sponsored by AfriSam, took place in November. From left: Debbie Harvey (AfriSam), Karen Smith (Crown Publications), Wilhelm du Plessis and Erna Oosthuizen Construction World .

COMMENT

According to the International Energy Agency’s (IEA) Renewables Report 2020, the fears that this sector had that its momentumwould be stopped in its tracks by the COVID-19 pandemic, never materialised. In fact, wind and solar energy will exceed coal capacity globally within the next five years.

This process was accelerated by the pressure to reduce costs and the meeting RI FOLPDWH WDUJHWV 7KH 6RXWK $IULFDQ government has been cognisant of this but also about the role Independent Power Producers can play in getting the huge construction sector back to work and VXVWDLQDEO\ HPSOR\HG ,W DQQRXQFHG WKDW it was accelerating the implementation of the Integrated Resource Plan to provide a substantial increase in the contribution of UHQHZDEOH HQHUJ\ VRXUFHV Defying the expected Despite the fact that global economic growth dropped because of the pandemic, with oil prices at one point turning to negative, the renewable energy sector not RQO\ GHͤHG WKH GRZQWXUQ EXW PDQDJHG WR SRVW UHFRUG JURZWK LQ 5HQHZDEOH electricity generation is set to increase E\ LQ 7KH UHVXOW DFFRUGLQJ WR this report, is that total wind and solar PV FDSDFLW\ ZLOO H[FHHG QDWXUDO JDV LQ

DQG FRDO LQ UHQHZDEOHV ZLOO surpass coal to become the biggest source RI HOHFWULFLW\ JHQHUDWLRQ JOREDOO\ 6RXWK Africa may be a decade or so behind this as Eskom is still and will still be the largest source of energy in the country – but plans are afoot to ease it from its position RI GRPLQDQFH IEA’s Executive Director, Faith Birol says that when renewable energy overtakes coal as the biggest source of electricity generation worldwide, it will HQG FRDO̵V ͤYH GHFDGHV DV WKH WRS SRZHU SURYLGHU 6KH JRHV RQ WR VD\ WKDW E\ WKDW time, the IEA expects renewables to supply RQH WKLUG RI WKH ZRUOG̵V HOHFWULFLW\ 7KLV expansion was driven by wind, solar and K\GUR HOHFWULFLW\ However – the caveat worldwide, but especially in South Africa – is that while renewables may have been resilient WR WKH &29,' FULVLV LW ZLOO REYLRXVO\ not be to policy uncertainty, something 6RXWK $IULFD̵V LQHͦFLHQW UHJXODWRU\ %\

IUDPHZRUN LV IUDXJKW ZLWK Recognising excellence This issue is dedicated to the winners and HQWULHV RI WKH th DQQXDO %HVW 3URMHFWV DZDUGV ,W LV SHUKDSV QR FRLQFLGHQFH WKDW one of the big winners was the Roggeveld :LQG )DUP Despite the obvious uncertainties DQG FKDOOHQJHV EURXJKW RQ E\ &29,' these awards took place in November at the historic Thunder Walker venue in the -RKDQQHVEXUJ LQQHU FLW\ $JDLQVW WKH RGGV ZH KDG D WXUQRXW ZKLOH WKH IHVWLYH atmosphere reminded that excellence and DFKLHYHPHQW DUH UHYHUHG E\ DOO )LIWHHQ DZDUGV ZHUH PDGH LQ VL[ FDWHJRULHV (QMR\ WKLV \HDU̵V RYHUYLHZ RI WKH achievements in the South African built HQYLURQPHQW

Wilhelm du Plessis Editor

@ConstWorldSA

www.facebook.com/construction-worldmagazinesa

EDITOR & DEPUTY PUBLISHER Wilhelm du Plessis constr@crown.co.za $'9(57,6,1* 0$1$*(5 Erna Oosthuizen ernao@crown.co.za LAYOUT & GRAPHIC ARTIST Katlego Montsho CIRCULATION Karen Smith

PUBLISHER Karen Grant 38%/,6+(' 0217+/< %< Crown Publications P O Box 140

TOTAL CIRCULATION: (Third Quarter '20)

BEDFORDVIEW, 2008 Tel: 27 11-622-4770

The views expressed in this publication are not necessarily those of the editor or the publisher. PRINTED BY Tandym Cape

www.constructionworldmagazine.co.za

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Construction has preserved and protected the outer heritage walls of the existing structure, which date back about 100 years.

COVER STORY

The old-world charm of Cape Town’s De Waterkant area is being captured in a new mixed-use development at the Old Cape Quarter, with main contractor GVK-Siya Zama Construction working closely with AfriSam on finding concrete solutions. CONCRETE RESULTS AT OLD CAPE QUARTER

K LFNLQJ RII LQ 0D\ DQG VFKHGXOHG IRU FRPSOHWLRQ LQ PLG WKH SURMHFW LV DGGLQJ IRXU ͥRRUV RI OX[XU\ DSDUWPHQWV RQWR WKH H[LVWLQJ UHWDLO OHYHO DQG RͦFH OHYHO ZLWK WKUHH EDVHPHQWV 7KH upmarket units include one-bedroom and two-bedroom apartments, DV ZHOO DV WKUHH EHGURRP SHQWKRXVHV Construction has preserved and protected the outer heritage walls of the existing structure, which date back about a hundred \HDUV %HLQJ LQVLGH D UHVLGHQWLDO DUHD DOVR SODFHG UHVWULFWLRQV RQ working hours, while narrow roads around the building made for GLͦFXOW ORJLVWLFV ̰ LQFOXGLQJ WKH UHDG\PL[ GHOLYHULHV 6WUDWHJLHV WR underpin the new structures was a key focus of the early phases, requiring some innovative thinking from the contractors and close FROODERUDWLRQ ZLWK UHDG\PL[ VXSSOLHU $IUL6DP “Due to variable ground conditions, there were a number of piles that had to be executed through the existing bases,” says Garth 5REE FRQWUDFWV GLUHFWRU DW *9. 6L\D =DPD 7KLV PHDQW PP GLDPHWHU FRUH KROHV ZHUH GULOOHG WKURXJK WKH ROG H[LVWLQJ EDVHV 7KLV HQVXUHG WROHUDQFH DQG VSDFH IRU WKH IRXU PP GLDPHWHU piles which would allow the transfer of loads onto the piles from the temporary steel structures and the construction of the new EDVH DERYH WKH SLOHV $ QXPEHU RI QHZ FROXPQV DQG EDVHV KDG WR constructed after the demolition of the old columns and bases and within the temporary steel structure; this was to the new design UHTXLUHPHQWV E\ 6XWKHUODQG (QJLQHHUV “The challenge was the lack of space in the basement for the XVH RI QRUPDO &ODVV IRUPZRUN̹ VD\V 5REE ̸7KH WRS RI EDVHV KDG WR DOLJQ ZLWK WKH WRS RI VXUIDFH EHGV &ODVV IRUPZRUN 6RPH H[LVWLQJ FROXPQV UHTXLUHG YDULRXV W\SHV RI VWUHQJWKHQLQJ :H KDG to construct biscuit columns, whereby we added reinforcing and formwork around the existing column and core-drilled at an angle through existing PT slabs from above the biscuit column – adding JURXW WR HQODUJH DQG VWUHQJWKHQ WKH H[LVWLQJ FROXPQ VL]HV ̹ This complicated the column strengthening process, consuming valuable hours and limiting the amount of concrete that could be poured at a time – hence the need for close collaboration

ZLWK $IUL6DP ,Q SDUWLFXODU WKH 03D FRQFUHWH UHTXLUHG IRU WKLV application could not be poured fast enough before hydration set in “After much discussion with AfriSam, we found a way forward – WR UHFHLYH DQG SRXU MXVW RQH FXELF PHWUH RI UHDG\PL[ DW D WLPH̹ KH VD\V 5HDG\PL[ WUXFNV XVXDOO\ FDUU\ WR P , but this volume could QRW EH SRXUHG DW D IDVW UDWH DV D UHVXOW RI WKH PP JURXWLQJ KROHV DERYH WKH FROXPQV This was because the conditions demanded that concrete be SRXUHG E\ ZKHHOEDUURZ WKURXJK PP FRUH KROHV IURP WKH VODE DERYH LQWR WKH ELVFXLW FROXPQV 7KH FKDOOHQJH ZDV WKDW HDFK column took up to an hour to pour, with admixtures accelerating the KDUGHQLQJ UDWH RI WKLV KLJKO\ ͥXLG FRQFUHWH There was no other option but for concrete to be delivered in smaller volumes, with the trucks standing by patiently for up to an KRXU ZKLOH WKH FXELF PHWUH ZDV SRXUHG $IUL6DP WHUULWRU\ PDQDJHU 0HODQLH 5RVV VD\V WKLV PHDQW D KLJK OHYHO RI ͥH[LELOLW\ DV SRXUV FRXOG RQO\ VWDUW LQ WKH DIWHUQRRQ DQG RIWHQ H[WHQGHG EH\RQG WKH GHDGOLQH DJUHHG EHWZHHQ WKH FRQWUDFWRU DQG WKH DXWKRULWLHV ([WHQGHG SHUPLVVLRQV ZHUH REWDLQHG DQG WKH AfriSam-contracted drivers agreed to put in the extra time until pours ZHUH FRPSOHWHG “It was great to be able to sit down with AfriSam around the table to discuss challenges as they arose, and to come up with solutions WKDW ZRUNHG̹ VD\V 5REE ̸&RPSURPLVHV ZHUH UHTXLUHG DQG ZH DOO FRQWULEXWHG ZKDW ZH FRXOG WR NHHS WKH SURMHFW RQ WUDFN ̹ Augmenting some existing foundations, the geotechnical work ͤQDOO\ LQFOXGHG D FRPELQDWLRQ RI QHZ DQG VWUHQJWKHQHG IRXQGDWLRQV DQG FROXPQV DGGLQJ VLJQLͤFDQWO\ WR WKH QXPEHU RI GRZHOV DQG YROXPH RI HSR[\ FRQVXPHG The added strengthening work also pushed the readymix concrete YROXPH GHPDQGHG E\ WKH SURMHFW IURP P WR P 0RVW ZDV VXSSOLHG IURP $IUL6DP̵V :RRGVWRFN SODQW DERXW NP IURP VLWH The special column mix – a high slump mix with superplasticiser – FDPH IURP $IUL6DP̵V 3HQLQVXOD 4XDUU\ SODQW DW 'XUEDQYLOOH “The gaps in the column reinforcing also required that a smaller

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VWRQH VL]H EH VSHFLͤHG VR ZH FKDQJHG IURP D PP WR D PP VWRQH̹ VD\V 5RVV ̸:H FRQGXFWHG D QXPEHU RI WHVWV RQ VLWH WR HQVXUH WKH VROXWLRQ ZDV ͤW IRU SXUSRVH ,Q DOO DERXW GLIIHUHQW FRQFUHWH PL[HV ZHUH HPSOR\HG GXULQJ WKH SURMHFW WR VXLW YDULRXV DSSOLFDWLRQV ̹ Another of the challenges for the contractor was the continued RSHUDWLRQ RI VRPH UHWDLOHUV RQ WKH JURXQG ͥRRU GXULQJ WKH ͤUVW SKDVHV RI WKH SURMHFW 7KHVH WHQDQWV UHTXLUHG WKH XVH RI RQH RI WKH OLIWV VR WKH GHPROLWLRQ RI WKH FRUH OLIW VKDIW DQG VWDLUZHOO ̰ RQH RI four cores stiffening the structure – could only begin in August after WHQDQWV PRYHG RXW ̸7R H[SHGLWH WKH SURMHFW ZH LQVWDOOHG SURSV DOO WKH ZD\ GRZQ WR WKH EDVHPHQW WR WDNH WKH FRUH OLIW VKDIW RII WKH SURMHFW̵V FULWLFDO SDWK̹ KH VD\V ̸:H WKHQ VWDUWHG EXLOGLQJ FRUH XQGHU D VXVSHQGHG FRUH ZKLFK KHOSHG VSHHG XS SURJUHVV ̹ The heritage perimeter walls facing Dixon Street were stabilised to protect them from some of the necessary top-down demolition, with the help of an independent engineer, according to GVK-Siya =DPD VLWH DJHQW 3LHWHU OH 5RX[ 7R VWUHQJWKHQ DQG VXSSRUW WKH KHULWDJH IDFDGHV [ ZRRGHQ URRI WLPEHUV ZHUH EROWHG DW GHJUHHV WR WKH H[LVWLQJ ͥRRU RQ OHYHO RQH DQG DWWDFKHG WR WKH ZDOOV XVLQJ D ͤ[LQJ GHWDLO DSSURYHG E\ WKH HQJLQHHU There were also pine lattice trusses in parts of the old roof, dating EDFN WR WKH V ZKLFK ZLOO EH LQFRUSRUDWHG DV D IHDWXUH LQWR WKH QHZ VWHHO URRI VWUXFWXUH 7KLV OHG WR DQRWKHU FKDOOHQJH DV WKH QHZ building is set back from the corner of Waterkant Street and Hudson 6WUHHW E\ PHWUHV &ROXPQV ZHUH WKHUHIRUH EXLOW WKURXJK WKH KHULWDJH WUXVVHV FDVWLQJ D WUDQVIHU EHDP DQG VODE DERYH )URP WKLV VWUXFWXUH D VWHHO URRI ZLOO EH LQVWDOOHG 'XH WR WKH URDGV DQG OLPLWHG VSDFH DURXQG WKH VLWH WUDͦF management plans were developed to ease congestion and bollards ZHUH HYHQ LQVWDOOHG (IIRUWV DUH PDGH WR DUUDQJH GHOLYHULHV IURP +XGVRQ 6WUHHW ZKLFK LV ZLGHU Ross concludes with a further unexpected challenge for AfriSam during its supply contract to the Old Cape Quarter: the closure of the VWHHO SODQW DW 6DOGDQKD 7KLV EURXJKW DQ DEUXSW KDOW WR WKH VXSSO\ of ground granulated blast furnace slag, which is a latent hydraulic ELQGHU DQG D SDUWLDO FHPHQW UHSODFHPHQW PDWHULDO ̸:H ZHUH DEOH WR VRXUFH D UHSODFHPHQW LQ WKH IRUP RI ͥ\ DVK IURP SRZHU VWDWLRQV LQ 0SXPDODQJD DQG *DXWHQJ WR FRQWLQXH VXSSO\LQJ the high standard of ready-mix for which AfriSam is well-known,” VKH VD\V ƒ

AfriSam supplied 9 700 m³ of concrete for this project, mostly from its Woodstock plant.

About 10 different concrete mixes were employed during the project to suit various applications.

Left: The project is adding four flours of luxury apartments onto the existing retail level, with three basements. Right: A particular challenge was the lack of space in the basement for the use of normal Class 3 formwork.

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EXCELLENCE AND INNOVATION TRIUMPH At the end of a most challenging year, Construction World held its 19 th annual Best Projects Awards in Johannesburg on 4 November. Despite challenges brought on, and exacerbated by, the national lockdown and the massive lack of government investment that existed pre-COVID, the awards had 38 entries. This is proof that even in times of difficulty, excellence and innovation triumph.

A friSam was the main sponsor and has EHHQ VSRQVRULQJ WKLV HYHQW IRU \HDUV Den Braven was both a bronze sponsor and also sponsored the Architects category while 6LND ZDV DQ DVVRFLDWH VSRQVRU The event was held in the historic Thunder Walker on Gandhi Square in -RKDQQHVEXUJ DQG OLPLWHG WR JXHVWV WR DGKHUH WR &29,' UHVWULFWLRQV The Civil Engineering Contractors category was won by Concor for the 5RJJHYHOG :LQG )DUP 7KH SURMHFW ZDV also Highly Commended for the AfriSam Innovation Award for Sustainable &RQVWUXFWLRQ In the Building Contractors category the ZLQQLQJ SURMHFW ZDV E\ &RQFRU IRU 2[IRUG 3DUNV 3KDVH ZKLOH :%+2 ZRQ WZR Highly Commended Awards for UP (QJLQHHULQJ DQG '69 3DUN *DXWHQJ 2[IRUG 3DUNV 3KDVH ZDV DOVR +LJKO\ Commended for the AfriSam Innovation

$ZDUG IRU 6XVWDLQDEOH &RQVWUXFWLRQ 7KHUH ZHUH WZR 6SHFLDO 0HQWLRQV LQ WKH 6SHFLDOLVW &RQWUDFWRU RU 6XSSOLHU &DWHJRU\ These were for Kaalfontein Pedestrian Bridge (CoreCivils) and Botha Halte (Terraforce/ 'HFRUWRQ 5HWDLQLQJ 6\VWHPV 7KH ZLQQHU LQ this category was Sika South Africa for the 5HKDELOLWDWLRQ RI 'XUEDQ +HLJKWV 5HVHUYRLU The Consulting Engineers category was ZRQ E\ -* $IULND IRU &RDVWDO 3DUN 0DWHULDO̵V 5HFRYHU\ 6LWH 7KH SURMHFW ZDV DOVR WKH Winner of the AfriSam Innovation Award for 6XVWDLQDEOH &RQVWUXFWLRQ The Architects category attracted the PRVW HQWULHV DQG IRXU DZDUGV ZHUH PDGH $ 6SHFLDO 0HQWLRQ DZDUG ZDV JLYHQ WR 7VKZDQH 5HJLRQDO 0DOO 69$ ,QWHUQDWLRQDO in association with Afro Plan Architects), while dhk Architects and Bentel Associates International both won Highly Commended Awards for respectively Capitec Bank +HDGTXDUWHUV DQG 'HVWLQ\_5DGLVVRQ +RWHO

The category was won by Boogertman + Partners/Tiber Construction for Sandton *DWH 3KDVH

Main sponsor

Bronze sponsor

Associate sponsor

BEST PROJECTS JUDGES

ROB NEWBERRY • Initially studied Quantity

NICO MAAS • 0DVWHUV GHJUHH LQ &LYLO (QJLQHHULQJ • Chairman of Gauteng Piling • Chairman of Federate Employers 0XWXDO • Serves on cidb board • 3DVW 3UHVLGHQW RI 0%$ 1RUWK DQG 0%6$

TRUEMAN GOBA • Registered professional engineer VLQFH • (VWDEOLVKHG *RED 0DRKOROL Associates, which later merged with Keeve Steyn to form what became *RED QRZ SDUW RI +DWFK $IULFD • President of the SA Academy of Engineering • Honorary Doctorates in Engineering awarded by Stellenbosch University, .ZD=XOX 1DWDO DQG 0F0DVWHU LQ Canada

Surveying and then completed Honours Degree in Construction 0DQDJHPHQW • Has worked in construction industry for over three decades • Former director of Grinaker-LTA • Past president of CIOB Africa • Founding member of Government’s 6WDWXWRU\ &RXQFLO IRU 3URMHFW 0DQDJHPHQW

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BEST PROJECTS 2020 WINNERS

THE BEST PROJECTS 2020 WINNERS

THE CIVIL ENGINEERING CONTRACTORS category was won by Concor for the Roggeveld Wind farm. The project also received a HIGHLY COMMENDED award in the AFRISAM INNOVATION AWARD FOR SUSTAINABLE CONSTRUCTION. From left: Greg Oosthuizen, Dirk van der Merwe and Stephan Venter.

The winner in the BUILDING CONTRACTORS CATEGORY was Concor for Oxford Parks Phase 2. The project was also HIGHLY COMMENDED for the AFRISAM INNOVATION AWARD FOR SUSTAINABLE CONSTRUCTION. From left: Bain Fowler, Janet Glendinning (Intraprop), Rui Santos, Martin Muller and Brian Carter.

DSV Park Gauteng was HIGHLY COMMENDED in the BUILDING CONTRACTORS CATEGORY. From left: Matthew Downes, Alastair Luke, Christo van Niekerk, Fernando Ferreira, Pieter Kotze, Thulani Khumalo and Keith Willoughby.

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WBHO’s UP Eng 4.0 also received a HIGHLY COMMENDED award in the BUILDING CONTRACTORS CATEGORY. From left: Gavin Loveday, Trevor Smith, Christo van Niekerk and Keith Willoughby.

SIKA South Africa won the SPECIALIST CONTRACTORS OR SUPPLIERS CATEGORY with the Rehabilitation of Durban Heights Reservoir. From left: Andrew Ibbotson, Gerrit Visser, Mark Griesel and Shaun Saxby.

Terraforce won a SPECIAL MENTION AWARD in the SPECIALIST CONTRACTORS OR SUPPLIERS CATEGORY for Botha Halte. Pictured is Silvio Ferraris (from Remacon, representing Terraforce)

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BEST PROJECTS 2020 WINNERS

THE BEST PROJECTS 2020 WINNERS

Kaalfontein Pedestrian Bridge (CoreCivils) was also given a SPECIAL MENTION award in the SPECIALIST CONTRACTORS OR SUPPLIERS CATEGORY. From left: Johan Muller, Clifford Mogale and Jaco de Bruin.

The winner of the ARCHITECTS CATEGORY was Sandton Gate Phase one by Boogertman + Partners/Tiber Construction. From left: Mario Ferreira, Jose Correia (Tiber), Elzanne Pieterse and Jean Grobler.

Capitec Bank Headquarters (dhk Architects) received a HIGHLY COMMENDED AWARD in the ARCHITECTS CATEGORY. From left: Peter Fehrsen and Martin Lardner-Burke.

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Bentel Associates International was also HIGHLY COMMENDED in the ARCHITECTS CATEGORY for the Destiny|Raddison Hotel. From left: André Wiese and Shershen Naidoo.

Tshwane Regional Mall received a SPECIAL MENTION AWARD in the ARCHITECTS CATEGORY (SVA International in association with Afro Plan Architects) From left: Des Linder (LMKV Management Consultants), Zweli Mabaso (P.I.C.), Melinda Hardisty (SVA International), Shadrack Mthetwa (Isibonelo Property Services), Linda Zondi (P.I.C.) and Bertus Lombard (GD Irons Construction).

THE CONSULTING ENGINEERS CATEGORY was won by JG Afrika for Coastal Parks: Material’s Recovery Facility. The project was also the winner of the AFRISAM INNOVATION AWARD FOR SUSTAINABLE CONSTRUCTION. From left: Phakamile Ngqumshe, Jan Norris and Richard Emery.

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COVER STORY BEST P OJECTS 2020 WINNERS

WINNERS

For the first time in the 19 years of the Best Projects awards, one company won four awards. Concor’s Roggeveld Wind farm project as well as its Oxford Parks Phase 2 were not only winners in the respective categories, but also received Highly Commended awards in the AfriSam Innovation Award for Sustainable Construction.

LUCKY DRAWWINNERS

Left: Ngage sponsored a hamper. It was won by Thulani Khumalo. He is pictured with the Public Relations Director of Ngage, Renay Tandy. Middle: Icon Group gave away a Nespresso coffee machine. The winner was Rynhardt Bezuidenhout fromWBHO. Here he is with Icon’s Bernadette McIvor. Right: Concor sponsored a hamper. Pictured are Concor’s Stephan Venter and the winner, Martin Lardner-Burke. BEST PROJECTS AWARDS SPONSORS

Bronze Sponsor and Sponsor of the Architect category

Associate Sponsor

Main Sponsor

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Category: CIVIL ENGINEERING CONTRACTORS

ROGGEVELDWIND FARM Remotely located in an area of rough terrain and challenging topography, Roggeveld Wind Farm in the Karoo demanded innovative construction design and implementation, as well as careful scheduling, logistics and environmental management.

L everaging its experience in wind energy facilities, Concor FRQVWUXFWHG VSHFLDOO\ GHVLJQHG FRQFUHWH EDVHV IRU ZLQG WXUELQHV 7KH FRPSDQ\ DOVR EXLOW NP RI URDGZD\ ZLWK DSSURSULDWH gradients to facilitate access for readymix trucks as well as the large, specialised vehicles that must haul the turbine towers DQG HTXLSPHQW :LWK D FRQVWUXFWLRQ IRRWSULQW RI KHFWDUHV WKH SURMHFW GHDOW ZLWK UHDFKLQJ LQDFFHVVLEOH DUHDV WR EXLOG WKH EDVHV DQG KDUGVWDQGV 7KH KLJKHVW SRLQW RI WKH SURMHFW DUHD LV PHWUHV KLJKHU WKDQ WKH VLWH RͦFH ZLWK PDQ\ FRQVWUXFWLRQ DUHDV GLͦFXOW WR DFFHVV HYHQ XVLQJ [ YHKLFOHV 7KH P RI FRQFUHWH UHTXLUHG IRU WKH SURMHFW ZDV EDWFKHG RQ VLWH EXW WKH QHDUHVW WXUELQH ZDV NP IURP WKH EDWFKLQJ SODQW $JJUHJDWH KDG WR EH VRXUFHG IURP NP DZD\ 8QOLNH PRVW ZLQG HQHUJ\ SURMHFWV WKH WXUELQH WRZHUV DW 5RJJHYHOG :LQG )DUP DUH FRQVWUXFWHG IURP FRQFUHWH QRW VWHHO This required several innovations from Concor Infrastructure including establishing a yard for placing and preparing tower sections as well as pre-assembly slabs – or ‘doughnuts’ – for WKH WUHVWOHV XVHG LQ WKH HUHFWLRQ RI WRZHUV The heavier weight of concrete towers impacted the design and FRQVWUXFWLRQ RI WKH IRXQGDWLRQV DQG WKH SUH DVVHPEO\ VODEV (DFK tower required the construction of the concrete doughnut-shaped VODEV DW LWV EDVH RQ WRS RI ZKLFK WKH ͤYH NH\ VWRQHV PDNLQJ XS WKH ERWWRP WRZHU VHFWLRQ ZHUH SODFHG The hilly rugged topography of the area – combined with strict environmental controls – had an impact on concrete slab FRQVWUXFWLRQ GHPDQGLQJ WKH VL]H RI WKH KDUGVWDQGV EH VPDOOHU Topography limited the reach of the new roadway network,

VKHOI VKXWWHU GHVLJQV ZRXOG QRW EH ͤW IRU SXUSRVH )LIWHHQ VHWV RI four slabs – one set for each turbine tower – had to be built, using MXVW WZR VHWV RI VKXWWHUV Given the challenging topography, the two main access roads had to appropriately graded to facilitate heavy vehicles hauling on WKHVH URDGV 7KLV PHDQW FXWV RI XS WR WKUHH PHWUHV EXW ZLWK EODVWLQJ NHSW WR D PLQLPXP WR DYRLG HQYLURQPHQWDO GLVUXSWLRQ 7KH SURMHFW̵V KLJKHVW SRLQW LV PHWUHV ZLWK WKH VLWH RͦFHV EHORZ DW PHWUHV &RQVLGHUDEOH LQQRYDWLRQ LQ GHVLJQ ZDV GHPDQGHG E\ WKH SURMHFW̵V FRQVWULFWLQJ PHWUH HQYLURQPHQWDO IRRWSULQW 7KLV UHVWULFWHG VWHHS FXWWLQJV RU KLJK ͤOOV GXULQJ WKH HDUWKZRUNV QHFHVVDU\ WR DFKLHYH WKH JUDGLHQWV WKDW ZRXOG EH PDQDJHDEOH E\ KDXO WUXFNV 7KLV DOVR UHTXLUHG ͤQHO\ EDODQFHG FXW DQG ͤOO SODQQLQJ WR HQVXUH QR VXUSOXV PDWHULDO DV OLPLWHG VWRFNSLOH DUHDV ZHUH DYDLODEOH :DONLQJ WKH VLWH ZDV QHFHVVDU\ WR PDNH DGMXVWPHQWV WR URDGZD\V ZLWK VRPH PLFUR VLWLQJ RI WKH KDUGVWDQGV &DUHIXO consideration in hardstand design was given to how the ‘doughnut’ slabs would be positioned, meeting the parameters of the main crane lift while not blocking access on the single roadway for through- WUDͦF (DFK RI WKH KDUGVWDQGV QHHGHG LWV RZQ FRQͤJXUDWLRQ ƒ

PROJECT INFORMATION

• Company entering: Concor • Client: Nordex Energy South Africa • Start date: May 2019 • End date: October 2020 • Main Contractor: Concor • Principal Agent: Concor • Consulting Engineer: BVi Consulting Western Cape

ZKLOH WKH SURMHFW IRRWSULQW ZDV FRQVWUDLQHG by the area’s sensitive ecology, leaving only a PHWUH FRUULGRU LQ ZKLFK WR ZRUN A precast yard had to be built for the construction of the ‘doughnut’ slabs, from where they were transported to the KDUGVWDQGV 8VLQJ SUHFDVW VODEV LQ WKLV application is not common practice in South Africa, although it is routinely DSSOLHG LQ (XURSH Each tower base required blasting, excavation and cleaning, after which EOLQGLQJ ZDV SRXUHG /HYHOOLQJ OHJV ZHUH installed on top of the blinding to hold the OHYHOOLQJ WHPSODWH LQ SODFH GXULQJ FDVWLQJ $SSUR[LPDWHO\ WRQQHV RI UHLQIRUFLQJ VWHHO ZHUH XVHG IRU WKH WXUELQH EDVHV The considerable weight of the concrete ‘doughnut’ slabs meant they had to be cast in two pieces, facilitating WUDQVSRUWDWLRQ DFURVV VLWH 2QFH PRYHG WKH WZR LWHPV PXVW EH ͤWWHG WRJHWKHU ZLWK tight tolerances demanding accurate and SURIHVVLRQDO FDVWLQJ The unusual shape of these slabs required special shutters to be made up, as off-the-

B E S T P R O J E C T S

18

2020

Category: CIVIL ENGINEERING CONTRACTORS

ROADS INFRASTRUCTURE FOR THE MALL OF TEMBISA The iconic double-level Mall of Tembisa, developed by McCormick Property Development is nearing completion, with an expected opening date in November 2020.

PROJECT INFORMATION

• Client: McCormick Property Development • Architect: MDS Architecture • Civil Engineers: SCIP Engineering Group • 6TCHƒE 5RGEKCNKUV Techworld Consulting Engineers & EDS Transportation Engineers • Pavement Specialist: Leo Consulting • Structural Engineers: SCIP Engineering Group, KLS Consulting Engineers & De Villiers Consult

T KH 0DOO RI 7HPELVD LV ORFDWHG RQ JUHHQͤHOG ODQG VRXWK RI WKH 2OLIDQWVIRQWHLQ 5RDG 5 ZLWK WKH .DDOVSUXLW FUHDWLQJ WKH eastern boundary of the property, between the townships of Tembisa DQG &OD\YLOOH 7KLV Pt JURVV OHDVDEOH DUHD */$ UHJLRQDO shopping centre is situated in the under-serviced north-western TXDGUDQW RI 7HPELVD LQ (NXUKXOHQL 0HWURSROLWDQ 0XQLFLSDOLW\ 7KH 0DOO LV SDUW RI D PL[HG XVH GHYHORSPHQW SURMHFW EHLQJ XQGHUWDNHQ LQ FRQMXQFWLRQ ZLWK .-$ 'HYHORSPHQWV VSHFLDOLVWV LQ ORZ FRVW housing) and comprise commercial, retail and high-density UHVLGHQWLDO FRPSRQHQWV SCIP Engineering Group were appointed as the civil and VWUXFWXUDO HQJLQHHUV IRU WKH SURMHFW 6SHFLͤFDOO\ ORRNLQJ DW WKH roads, they were responsible for all road, stormwater and the

JHRPHWULF GHVLJQV 7HFKZRUOG &RQVXOWLQJ (QJLQHHUV DVVLVWHG ZLWK WKH FRQͤJXUDWLRQ RI WKH WUDͦF FLUFOHV DQG WKH LQWHUVHFWLRQ OD\RXW in particular the design of the signals of the main intersection at $OXPLQLXP 'ULYH 3DYHPHQW VSHFLDOLVWV /HR &RQVXOW DVVLVWHG ZLWK undertaking a condition assessment of the existing Olifantsfontein 5RDG VXUIDFH %XON HDUWKZRUNV FRPPHQFHG LQ $SULO SLOLQJ VWDUWHG LQ -XQH DQG WKH PDLQ EXLOGLQJ FRQWUDFWRU EHJDQ ZLWK IRXQGDWLRQ H[FDYDWLRQV GXULQJ -XO\ 'XH WR WKH &29,' VKXWGRZQ URDG FRQVWUXFWLRQ RQO\ VWDUWHG LQ 0D\ ROAD INFRASTRUCTURE The development comprises of two Gautrans provincial intersections

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B E S T P R O J E C T S

20

2020 2 19

IRU DFFHVV IURP 2OLIDQWVIRQWHLQ 5RDG 5 SODQQHG . FRQVLVWLQJ of the extension of Aluminium 'ULYH DV D IXOO VLJQDOLVHG LQWHUVHFWLRQ DQG QHZ SDUWLDO DFFHVV 7KH P OHQJWKHQLQJ RI $OXPLQLXP 'ULYH VWDUWV DV D GLYLGHG IRXU ODQH URDG QDUURZLQJ WR D WZR ODQH URDG ZLWK P GLDPHWHU WUDͦF FLUFOHV )XUWKHUPRUH D P WZR ODQH ULQJ URDG PXVW EH FRQVWUXFWHG WR FRQQHFW WKH QHZ SDUWLDO LQWHUVHFWLRQ ZLWK $OXPLQLXP 'ULYH Pedestrian movement will be accommodated by the construction of various paved sidewalks that link up with the new taxi and bus ORDGLQJ ]RQHV RQ 2OLIDQWVIRQWHLQ 5RDG 7KH GHYHORSPHQW DOVR LQFOXGHV WKH FRQVWUXFWLRQ RI D QHZ WD[L UDQN 2OLIDQWVIRQWHLQ 5RDG LV D PDMRU PRELOLW\ OLQN WKDW VHUYHG RQ DYHUDJH s YHKLFOHV SHU GD\ LQ SUH &29,' ZKLOH WKH LQWHUVHFWLRQ ZLWK $OXPLQLXP 'ULYH FXUUHQWO\ D 7 MXQFWLRQ VHUYHG s YHKLFOHV SHU GD\ WKH PD[LPXP WKURXJKSXW RI D ODUJH DW JUDGH LQWHUVHFWLRQ LV s YHKLFOHV SHU GD\ 7KH 0DOO RI 7HPELVD DIWHU LWV RSHQLQJ LV H[SHFWHG WR JHQHUDWH s DGGLWLRQDO YHKLFOH WULSV SHU GD\ 7KHUHIRUH WKH LQWHUVHFWLRQ EHWZHHQ 2OLIDQWVIRQWHLQ 5RDG DQG $OXPLQLXP 'ULYH ZLOO EH XSJUDGHG WR DSSURDFK ODQHV D VL[ four lanes split) on Olifantsfontein Road and seven approach lanes (a four/three lanes split) on Aluminium Drive which is required to VHUYH WKH H[SHFWHG YHKLFOH DQG SHGHVWULDQ WUDͦF 7KLV LQWHUVHFWLRQ LV D W\SLFDO H[DPSOH RI D ODUJH XUEDQ LQWHUVHFWLRQ FRQWUROOHG E\ WUDͦF VLJQDOV WKDW QHFHVVLWDWH D ORQJ F\FOH OHQJWK VHFRQGV GXULQJ SHDN KRXUV WR DFFRPPRGDWH DOO WKH VLJQDO VWDJHV WKDW DUH UHTXLUHG DOLOMITE AND HARD ROCK EXCAVATION 7KH SURMHFW VLWH LV XQGHUODLQ E\ GRORPLWH 'RORPLWH DVVHVVPHQWV ZHUH XQGHUWDNHQ LQ DFFRUGDQFH ZLWK 6$16 DQG DOO FLYLO VHUYLFH designs were done in terms of the recommendations emanating from WKHVH DVVHVVPHQWV The intermittent underlying hard rock dolomite was one of the ELJJHVW FKDOOHQJHV RQ WKH SURMHFW 6XEVWDQWLDO KDUG URFN H[FDYDWLRQ ZDV HQFRXQWHUHG GXULQJ DOO VWDJHV RI FRQVWUXFWLRQ 7KLV UHVXOWHG LQ ODUJH TXDQWLWLHV RI GRORPLWH URFN KDYLQJ WR EH H[FDYDWHG The civil contractor, Labucon Resources, in consultation with WKH SURMHFW WHDP IRXQG D VROXWLRQ WR FXUWDLO WKH ͤQDQFLDO DQG environmental effects emanating from the large quantities of hard URFN H[FDYDWLRQ /DEXFRQ 5HVRXUFHV RZQV D FUXVKLQJ DQG VFUHHQLQJ SODQW $ FXW WR VSRLO ZDV GRQH RQ WKH EXON HDUWKZRUNV LQ WKH RUGHU RI Pu 7KH LPSRUW WR ͤOO ZDV DURXQG Pu DERXW Pu RI KDUG URFN ZDV UHPRYHG DQG Pt RI SUH PL[ LV JRLQJ WR EH SODFHG DQG WKDW LV H[FOXGLQJ WKH SURYLQFLDO LQWHUVHFWLRQV 7KLV LV D PDVVLYH SURMHFW ZKLFK FRXOG HDVLO\ EH XQGHUHVWLPDWHG ZKHQ \RX YLHZ LW RQ SODQ The roads infrastructure comprises municipal roads and two provincial intersections – the size of the main intersection being very VLJQLͤFDQW 7KH GRXEOH OHYHO PDOO ZLOO EH EULQJLQJ UHWDLO WR D SUHYLRXVO\ QHJOHFWHG DUHD DQG WKLV LV VLJQLͤFDQW IRU WKH FRPPXQLWLHV LQ WKH VXUURXQGLQJ DUHDV ƒ

HV: BOSCH

Category: BUILDING CONTRACTORS

OXFORD PARKS PHASE 2 Oxford Parks is a focal point along Oxford Road in Rosebank. On completion, this site will house five buildings on a master basement structure. The buildings were designed to complement each other, and their respective footprints fit together in a jigsaw puzzle configuration, proportionately occupying the site to optimise the usage of this prime precinct.

PROJECT INFORMATION

• Company entering: Concor • Client: Intraprop • Start date: )HEUXDU\ • End date: 1RYHPEHU • Main Contractor: Concor • Architect: dhk/GLH • Principal Agent: 0RUWD 3URMHFW 0DQDJHPHQW

• Quantity Surveyor: *UR &RQVXOWLQJ • Consulting Engineer: Pure Consulting

O [IRUG 3DUNV 3KDVH LV D WHVWLPRQ\ WR PHWLFXORXV FRRUGLQDWLRQ on the part of Concor to ensure the concurrent construction of WKH GLIIHUHQW EXLOGLQJV ZRXOG UXQ VPRRWKO\ 3KDVH LQFOXGHV WKH VLPXOWDQHRXV FRQVWUXFWLRQ RI %XLOGLQJ ̰ /LIH +HDOWKFDUH̵V QHZ P KHDG RͦFH %XLOGLQJ ̰ D P multi-tenanted building KRXVLQJ LQWHU DOLD 0HWLHU 3ULYDWH (TXLW\ DQG * ' &XUUHQF\ 7HFKQRORJ\ DQG %XLOGLQJ ̰ P RͦFHV IRU $UXS DQG 6RQ\ 0XVLF Concor was well positioned to take on the challenging FRQVWUXFWLRQ RI 2[IRUGV 3DUNV 3KDVH WKDW FRPPHQFHG LQ )HEUXDU\ DIWHU WKHLU VXFFHVVIXO FRPSOHWLRQ RI 3KDVH LQ ZKLFK KRXVHV WKH QHZ KHDG RͦFH RI %3 6RXWKHUQ $IULFD While all the buildings have a conventional reinforced concrete slab and column design, special sustainable concrete mixes allowed IRU HDUO\ VWULSSLQJ RI IRUPZRUN 7KLV DOORZHG WKH HͦFLHQW URWDWLRQ of formwork kit and materials ensuring continuous production to DFFRPPRGDWH WKH IDVW SDFHG FRQVWUXFWLRQ SURJUDPPH RQ D SURMHFW RI WKLV VFDOH %XLOGLQJ KDV D XQLTXH ͤWWHG FXUWDLQ ZDOO LQVWDOODWLRQ ZLWK WUHH SDWWHUQV 7KLV QRW RQO\ SUHVHQWV ZHOO DV DQ H[WHUQDO ID©DGH EXW DOVR doubles up as a solar shield to reduce air conditioning requirements DQG WKH XVH RI EOLQGV LQVLGH WKH RͦFH VSDFH 7KLV DSSOLFDWLRQ FUHDWHV D IRUHVW OLNH JUDSKLF HQIRUFLQJ WKH XUEDQ JUHHQ WKHPH RI 2[IRUG 3DUNV %XLOGLQJV DQG DOVR KDYH SHUIRUPDQFH JOD]HG ID©DGHV WKDW SURYLGH DGGHG EHQHͤWV LQ WHUPV RI HQHUJ\ XVDJH RI WKH EXLOGLQJV GXULQJ WKH RSHUDWLRQDO SKDVH 7KH ͤUVW OHYHO RI %XLOGLQJ H[WHQGV RQWR

a cantilevered slab which forms a portion of the new Parks Boulevard, WKH QHZ VSLQH URDG RI WKH 2[IRUG 3DUNV SUHFLQFW %RWK %XLOGLQJ DQG %XLOGLQJ IDFH RQWR 3DUNV %RXOHYDUG SUHVHQWLQJ WKH FRQWUDFWRU ZLWK an added challenge that requires careful planning of sequences for access of the various construction vehicles on this newly constructed FDQWLOHYHUHG URDG Another challenge for the contractor was to optimise usage RI WKH WKUHH UHQWDO WRZHU FUDQHV WKDW DUH RQ VLWH DW WKH VDPH WLPH

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2020

$OO WKH EXLOGLQJV KDYH D PRGHUQ WKHPH ZLWK PDQ\ QDWXUDO ͤQLVKHV IURP VWRQH ID©DGH FODGGLQJ WR UHF\FOHG WLPEHU GHFNV WH[WXUHG SDLQW ͤQLVKHV DQG ELJ JOD]HG ID©DGHV WKDW DOORZ QDWXUDO OLJKW LQWR RͦFH VSDFHV The hard and soft landscaping of the outdoor podium area was VSHFLͤFDOO\ GHVLJQHG WR FUHDWH D QDWXUDO HQYLURQPHQW IRU WKH HQG XVHU HQVXULQJ D KDUPRQLRXV EOHQG RI EXVLQHVV OLIH DQG OHLVXUH (DFK building has its own shape and characteristics that add to the overall GHVLJQ IHHO RI WKH SUHFLQFW 7KHVH IHDWXUHV LQFOXGH WKH SDWWHUQHG ID©DGH RQ WKH $UXS EXLOGLQJ VWRQH FODGGLQJ DQG FXUYHV RQ WKH %XLOGLQJ WRJHWKHU ZLWK WKH ORXYHUHG SHUJROD RQ WKH th ͥRRU DQG WKH LQFOLQHG

VKDSHG ID©DGH FODGGLQJ DQG FXUWDLQ ZDOOLQJ RQ %XLOGLQJ &RQVWUXFWLRQ ZRUN RI 3DUNV %RXOHYDUG DOVR NQRZQ DV WKH $UXS EXLOGLQJ VWDUWHG LQ )HEUXDU\ ,QLWLDOO\ GHVLJQHG DV D WKUHH VWRUH\ VWUXFWXUH ZLWK WKH JURXQG ͥRRU GHGLFDWHG WR UHWDLO VSDFH WKHVH SODQV ZHUH PRGLͤHG WR WKH UHTXLUHPHQWV RI WKH WHQDQWV $UXS DQG 6RQ\ This resulted in another slab being added to accommodate a private HQWHUWDLQPHQW DUHD DV ZHOO DV UHFRUGLQJ VWXGLRV RQ WKH IRXUWK OHYHO The structure on this rooftop level mimics the design shape of the EXLOGLQJ EXW ZLWK D VPDOOHU IRRWSULQW WKXV RFFXS\LQJ RQO\ DERXW of the available rooftop space, which allowed the creation of a roof-top HQWHUWDLQPHQW DUHD LQ WKH FHQWUH RI WKH SUHFLQFW ƒ

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23

2020

Category: BUILDING CONTRACTORS

DSV PARK GAUTENG DSV Park Gauteng is being constructed as a move to centralise premises in each province in line with DSV’s global strategy of consolidating office and warehouse space and will house most of the business units operating in the province. This will deliver a more efficient, seamless service to their customers. This single facility will accommodate approximately 2 000 DSV employees and consists of a logistics warehouse of 79 000 m 2 , a cross-dock facility of 39 000 m 2 , office space of 10 000 m 2 , staff facility, maintenance facility and energy centre. External concrete hardstands are made up of approximately 150 000 m 2 of 210 mm thick concrete.

T KH DSSUR[LPDWHO\ P internal surface beds on the SURMHFW UHTXLUHG D KLJK TXDOLW\ FRQFUHWH ͥRRU WR PLQLPLVH WKH total maintenance budget of the facility and as short as possible FRQVWUXFWLRQ VFKHGXOH 7KH EXON RI QRUPDO ͥRRU PDLQWHQDQFH FRVWV DUH FDXVHG E\ ͥRRU MRLQW IDLOXUH LQ WKH IRUP RI GHWHULRUDWHG MRLQW edges, damage by and to equipment such as forklifts so it was GHFLGHG WR LPSOHPHQW D MRLQWOHVV FRQFUHWH ͥRRULQJ VROXWLRQ 7KH FOLHQW UHTXLUHPHQW ZDV IRU D ͥRRU WROHUDQFH DFFRUGLQJ WR ',1 7DEOH OLQH UHDFK WUXFNV XS WR P LQVWHDG RI )0 ̰ 75 UHDFK WUXFNV XS WR P A PrimX - Future Ready Joint Free Floor was chosen which was GHVLJQHG XQGHU 3ULP;̵V ZRUOGZLGH SDWHQW $ MRLQWOHVV VWHHO ͤEUH reinforced concrete system based on material chemical compressive SUH VWUHVV ZDV XVHG WR FDVW MRLQWOHVV SDQHOV RI P and only

PP WKLFN 7KH SDQHO VL]HV ZHUH RQO\ OLPLWHG E\ WKH GD\ FDVWLQJ FDSDFLW\ 7KH FRPSUHVVLYH SUH VWUHVV V\VWHP DOORZHG LW WR KDYH D stronger material and stiffer section along with improved drying VKULQNDJH FRQWURO 7KH KLJK GRVDJHV RI WKH KLJKHVW TXDOLW\ VWHHO ͤEUHV DOORZHG WKH ͥRRU WR EH EXLOW ZLWKRXW WUDGLWLRQDO UHLQIRUFLQJ WKXV HQVXULQJ D VKRUWHU FRQVWUXFWLRQ SHULRG All external concrete walls are of a tilt – up design that involves the casting of wall elements in stacks and lifting them into position RQ SDG IRXQGDWLRQV 7KLV PDGH VHQVH GXH WR WKH GRORPLWLF QDWXUH of the site and the extensive foundations that would have been UHTXLUHG LI QRUPDO EULFN W\SH ZDOOV ZHUH XVHG $OO ZDOOV ZHUH FDVW RQ VLWH RQ WHPSRUDU\ FDVWLQJ EHGV LQ FORVH SUR[LPLW\ WR WKHLU ͤQDO SRVLWLRQ 0HWLFXORXV SODQQLQJ ZDV UHTXLUHG WR PLQLPLVH FUDQHDJH FRVWV 7KLV SURYLGHG D FRVW HIIHFWLYH ORZ PDLQWHQDQFH ͤUH UHVLVWDQW

B E S T P R O J E C T S

24

2020

B E S T P R O J E C T S

25

2020

Category: BUILDING CONTRACTORS

PROJECT INFORMATION

• Company entering: WBHO • Client: DSV Real Estate • Start date: 1 September 2019 • End date : 3 March 2021 • Main Contractor: WBHO • Architect: DBM Architects • Principal Agent: Metrum Project Management • Quantity Surveyor: Quest • Consulting Engineer: DG Consulting Engineers

solution that allows for a functional, durable and aesthetically pleasing end product. WBHO also opted for a mix of cast in situ concrete columns and precast tilt up columns. The tilt up columns were cast on site on casting beds and were up to 17 m tall weighing in excess of 23 tons each. The roof steel structure design, for both the Crossdock and Main Warehouse, was extremely economical at around 16 kg/m 2 using Metsec Purlins, single angle trusses for speed of fabrication and Compound angle girders for weight saving. The lighting system in the facility will consist of LED lighting with low energy consumption in combination with motion and presence detection sensors to control lights. Daylight harvesting will be employed where the luminaires intensity is adjusted to compensate for the natural light. The lighting will be controlled by an addressable system where each luminaire can be controlled from a central place and respond to pre-set inputs. The staff facility water heating is generated by air-to-water heat

pumps with heat accumulators as hot water storage vessels. Water heating is by means of an indirect heating through a high pressure and low pressure heating system. All equipment will be controlled and monitored through an external web-based management system. A 1 000 kWP rooftop solar installation is being installed with provision for a further 1 700 kWP when the required generation licence is obtained. This will ensure that the facility’s base electrical loading is powered with solar power. 5DLQZDWHU ZLOO EH KDUYHVWHG IURP WKH RͦFH URRIV WR IHHG the landscape irrigation system with top up water fed from surrounding boreholes. The truck wash facility will utilise the recycled water from the automated truck wash facility thereby reducing the demand on potable water. Top up water will be fed from the surrounding boreholes. ƒ

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26

2020

FP: PPC

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27

2020

Category: BUILDING CONTRACTORS

I n total, the facility allows industry and stakeholders to train and educate engineers and technicians, to evaluate material properties, to test road pavement structures under simulated conditions and WR FRPSDUH WKLV WR UHDO WUDͦF DQG HQYLURQPHQWDO UHVSRQVHV RI URDG SDYHPHQWV WR UHDO WUDͦF &RQVWUXFWLRQ FRPPHQFHG RQ $XJXVW DQG SUDFWLFDO FRPSOHWLRQ ZDV DFKLHYHG RQ )HEUXDU\ The design incorporates a number of features that enhance the HGXFDWLRQ DQG WUDLQLQJ DVSHFWV RI WKH EXLOGLQJ 7KLV LQFOXGHV IHDWXUHV VXFK DV D ER[HG RXW JODVV ͥRRUHG VHFWLRQ RI WKH VWURQJͥRRU showing the reinforcement inside the concrete, open roof structures showing roof trusses, an open HVAC system showing the intricacies RI WKH +9$& V\VWHP DQG VHUYLFHV FRRUGLQDWLRQ $ YLVLEOH ablutions services section shows the complexities of providing DEOXWLRQ IDFLOLWLHV All external concrete walls are of a tilt-up design that involves the casting of wall elements in stacks and lifting them into position on SDG IRXQGDWLRQV 7KLV PDGH VHQVH GXH WR WKH ZHDN VRLO FRQGLWLRQV and extensive foundations that would have been required if normal EULFN ̰ W\SH ZDOOV ZHUH XVHG $OO ZDOOV ZHUH FDVW RQ VLWH RQ WHPSRUDU\ FDVWLQJ EHGV LQ FORVH SUR[LPLW\ WR WKHLU ͤQDO SRVLWLRQ 7KLV SURYLGHG D FRVW HIIHFWLYH ORZ PDLQWHQDQFH ͤUH UHVLVWDQW solution that allows for a functional, durable and aesthetically SOHDVLQJ HQG SURGXFW 7KLV DOVR SURYLGHV DQRWKHU HGXFDWLRQDO opportunity for students to see the result of tilt-up construction FORVH XS 7KH HQWUDQFH EXLOGLQJ DOVR KDV QXPHURXV H[SRVHG RII VKXWWHU FRQFUHWH HOHPHQWV 7KH LQWHUQDO ODERUDWRU\ VXUIDFH EHGV ZHUH UHTXLUHG WR EH RI WKH )0 FODVVLͤFDWLRQ LQ WHUPV RI WKH 8QLWHG .LQJGRP &RQFUHWH 6RFLHW\ 75 FODVVLͤFDWLRQ ZKLFK KDV H[WUHPHO\ SANRAL to provide an education and training facility for engineers, technologists, technicians and material testers and a high quality research facility with skilled staff. ENGINEERING 4.0 AT THE UNIVERSITY OF PRETORIA Engineering 4.0 at the University of Pretoria is a collaboration between the University, the CSIR and

WLJKW DOORZHG WROHUDQFHV RQ WKH OHYHOQHVV DQG ͥDWQHVV RI WKH FRQFUHWH ͥRRUV The design provides for a large volume dedicated Civil Engineering Laboratory which is inherently a large warehouse – type space, shaped into dedicated areas for the smaller laboratories, and D ODUJH YROXPH IRU WKH FRQFUHWH ODERUDWRU\ The design provides for maximum interaction between the inside and outside of the building, something not typically found in a ODERUDWRU\ IDFLOLW\ 7KLV OLQNV WKH FLYLO HQJLQHHULQJ UHVHDUFK and teaching that happens inside the building with an understanding that all civil infrastructure is placed in nature, and needs to be balanced with PROJECT INFORMATION

LWV ORFDWLRQ 7KH external design has been done in such a way WKDW LW LV QRW MXVW a rectangular shaped box structure, but there are enough features incorporated to make it look like much more than a large open volume from the RXWVLGH ƒ

• Company entering: WBHO • Client: University of Pretoria • Start date: 1 September 2018 • End date : 28 February 2020 • Main Contractor: WBHO • Architect: ARC Architects • Principal Agent: MDSA Project Management • Project Manager: MDSA Project Management • Quantity Surveyor : Gro2 Consulting • Consulting Engineer: Zutari

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2020

16 ON BREE The 16 On Bree project is an ambitious effort to repurpose and expand a modest more than century old building into the tallest residential block in Cape Town’s bustling city area. Replacing a building of just two storeys high, the new mixed-use block will reach 38 floors and will accommodate 380 apartments. K ey among design and construction achievements was to preserve

support the wall and prevent any structural failure while it was cut IUHH IURP WKH UHVW RI WKH EXLOGLQJ EHLQJ GHPROLVKHG $ FRQFUHWH JURXQG EHDP ZDV DOVR FDVW DORQJ WKH EDVH RI WKH ID©DGH WR DFW DV D FRXQWHUZHLJKW DQG SUHYHQW DQ\ PRYHPHQW 2QFH WKLV ZDV LQ SODFH GHPROLWLRQ FRXOG SURFHHG 7KH IUDPHZRUN had to remain in place during construction, to keep the freestanding ID©DGH LQ SRVLWLRQ $V WKH QHZ VWUXFWXUH ZDV EXLOW LW ZDV VWLWFKHG LQ ZLWK WKH EUDFHG ID©DGH XQWLO ͤQDOO\ WKH EUDFH FRXOG EH UHPRYHG 7KHUH were also three other heritage walls within the building – standing in a 8 VKDSH ̰ ZKLFK ZHUH SUHVHUYHG GXULQJ WKH FRQVWUXFWLRQ SURFHVV ,Q DQRWKHU KHULWDJH LQWHUYHQWLRQ HDFK ͥRRUERDUG RI WKH RULJLQDO 2UHJRQ WLPEHU ͥRRULQJ ZDV UHPRYHG DQG VDIHO\ VWRUHG WR PDNH ZD\ IRU QHZ SLOHV DQG FRQFUHWH EDVHV 7KHVH MRLVW WRQJXH DQG JURRYH ERDUGV DUH EHLQJ UHͤWWHG RQ WKH ͤUVW ͥRRU RI WKH QHZ EXLOGLQJ ZKLFK LV WR EH UHWDLO VSDFH $OVR VPDOOHU VWRQH ZDOOV RI KHULWDJH YDOXH ZHUH VWULSSHG VWRQH E\ VWRQH WR EH UHEXLOW LQWR WKH QHZ VWUXFWXUH Designed by FWJK architect Tiaan Greyling, the atrium design with the associated plenum scoops allows fresh air to circulate throughout the interior of the building, thereby reducing the mechanical ventilation UHTXLUHPHQW 7KLV DOVR HQDEOHG WKH SODFHPHQW RI EHGURRPV DORQJ WKH external passages surrounding the atria in terms of the apartment ͥRRU SODQ GHVLJQ To optimise the spectacular views and allow natural light into the apartments, the design employed a combination of reinforced FRQFUHWH DQG IXOO\ JOD]HG VKRS IURQWV ZLWK VOLGLQJ GRRUV 7KLV DOVR reduced the need for external brickwork and plaster, and in turn the H[WHUQDO VFDIIROG DV WKH VKRS IURQW ZDV ͤWWHG IURP WKH LQVLGH RXW Better use was made of the wasted space below the core escape VWDLUV RQ OHYHOV DQG E\ SODFLQJ EXON ZDWHU VWRUDJH WDQNV WKHUH 7R DOORZ ͥH[LELOLW\ IRU WKH SRVVLEOH IXWXUH FRQYHUVLRQ RI SDUNLQJ OHYHOV LQWR OLYLQJ OHYHOV WKH SDUNLQJ ͥRRU WR FHLOLQJ KHLJKWV ZHUH

D IUDJLOH ID©DGH RI JUHDW KHULWDJH YDOXH DQG WR LPSOHPHQW WKH SURMHFW LQ WKH KLJKO\ VSDFH FRQVWUDLQHG FLW\ FHQWUH ZLWK DOPRVW QR OD\ GRZQ DUHD ZKLOH DOORZLQJ FRQWLQXHG XQLQWHUUXSWHG ͥRZ RI YHKLFXODU DQG SHGHVWULDQ WUDͦF 7KH RQVHW RI WKH &29,' SDQGHPLF LQ 0DUFK DGGHG IXUWKHU health and safety challenges, especially given the building’s height DQG FRPSDFW GLPHQVLRQV $SSO\LQJ WKH QHFHVVDU\ VRFLDO GLVWDQFLQJ SURWRFROV KDG WR FRQIURQW LVVXHV RI FRQͤQHG LQWHUQDO VSDFH DV ZHOO DV YHUWLFDO PRYHPHQW RI EXLOGLQJ WHDPV WR WKHLU ͥRRUV RI RSHUDWLRQ 7KHVH IDFWRUV ZHUH H[DFHUEDWHG E\ WKH UHVLGHQWLDO QDWXUH RI WKH EXLOGLQJ With each apartment demanding the attention of multiple trades, there ZHUH DERXW SHRSOH RQ VLWH DW DQ\ RQH WLPH EHIRUH WKH RXWEUHDN RI WKH SDQGHPLF 2Q FRPSOHWLRQ WKH FRQVWUXFWLRQ ZLOO KDYH FRQVXPHG P of FRQFUHWH ̰ PDLQO\ SXPSHG WR WKH UHTXLUHG OHYHOV ̰ DV ZHOO DV WRQQHV RI UHLQIRUFLQJ EDU DQG EULFNV 7KH QHZ KHLJKW RI WKH EXLOGLQJ KDV UHTXLUHG WKH SODFHPHQW RI FRQFUHWH IRXQGDWLRQ SLOHV %HJLQQLQJ LQ 0D\ DIWHU D SHULRG RI GHPROLWLRQ FRQVWUXFWLRQ ZRUN RQ 2Q %UHH ZDV LQLWLDOO\ SODQQHG DV D WZR \HDU SURMHFW 7KH LPSDFW RI &29,' H[WHQGHG WKH SODQQHG FRPSOHWLRQ GDWH VRPHZKDW Located in the heart of the Cape Town central business district, D NH\ DVSHFW RI WKH 2Q %UHH SURMHFW ZDV WKH KHULWDJH YDOXH RI WKH EXLOGLQJ LW UHSODFHG &RPSO\LQJ ZLWK VWULFW KHULWDJH UHJXODWLRQV WKH FRQVWUXFWLRQ PHWKRG UHWDLQHG D ODUJH PHWUH KLJK ID©DGH EXLOW RYHU \HDUV DJR 7KLV ZDOO ̰ EXLOW QRW RI FRQFUHWH EXW RI URFN FOD\ DQG OLPH ̰ QHHGHG JHQWOH WUHDWPHQW DQG ͤUP VXSSRUW Concor erected a specially designed structural steel brace to

designed to the same dimensions DV WKH DSDUWPHQW OHYHOV :KLOH WKH parking area height is normally RQO\ PHWUHV WKH KHLJKW IRU D VWDQGDUG DSDUWPHQW LV PHWUHV LQFOXGLQJ VHUYLFHV UDWH KLJK RQ WKH DJHQGD (ͦFLHQW UROOLQJ RXW of apartments is a process that needs to be closely monitored and supervised if the highest standards of quality are to be DFKLHYHG &RQFRU DSSOLHG LWV experienced supervisors in

PROJECT INFORMATION

• Company entering: Concor • Client: &DSH 7RZQ • Start date: 0DUFK • End date: 1RYHPEHU • Main Contractor: Concor • Architect: FWJK Architecture

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Category: BUILDING CONTRACTORS

PRETORIA HEAD & NECK HOSPITAL The new R450-million Pretoria Head and Neck Hospital is an 11 000 m 2 special surgical facility being developed by JSE-listed Growthpoint and Cintocare broke ground on 12 September 2018.

L RFDWHG DGMDFHQW WR 0HQO\Q 0DLQH &HQWUDO 6TXDUH WKH QHZ KRVSLWDO ZLOO HQMR\ VWUHHW IURQWDJH 7KH H[WHULRU RI WKH EXLOGLQJ KDV EHHQ GHVLJQHG WR EH LQ V\QF ZLWK LWV SDUWLFXODU LQQHU SXUSRVH ,WV JODVV ID©DGH ZLOO EH FRPSOHPHQWHG E\ GHVLJQ IHDWXUHV WKDW evocate spinal vertebra found in the neck, which serve to shade the EXLOGLQJ 7KH KRVSLWDO ZLOO KDYH D GLUHFW DFFHVV OLQN WR WKH UHWDLO DQG UHVWDXUDQWV RI 0HQO\Q 0DLQH &HQWUDO 6TXDUH 7KH KRVSLWDO ZRXOG EH WKH ͤUVW RI LWV NLQG LQ $IULFD DQG EHFRPH WKH ͤUVW WKH JUHHQ FHUWLͤHG KRVSLWDO LQ 6RXWK $IULFD 7KH development’s green edge is bolstered by the fact that it will EH ORFDWHG LQ WKH EXUJHRQLQJ JUHHQ SUHFLQFW RI 0HQO\Q 0DLQH LQ 3UHWRULD Working closely together, Growthpoint and Cintocare are creating a clinical centre of excellence that focuses exclusively on the head and neck, spinal and vascular surgery with highly-specialised PHGLFDO SURIHVVLRQDOV DQG VWDWH RI WKH DUW WHFKQRORJ\ 7KH KLJKO\ specialised medical professionals will include neurosurgeons, maxillofacial surgeons, otorhinolaryngologist, reconstructive surgeons, radiologists, pathologists, audiologists as well as speech DQG VZDOORZLQJ WKHUDSLVWV The development partnership is delivering the full suite of VHUYLFHV IRU WKH KRVSLWDO ̰ IURP LQFHSWLRQ WR FRPSOHWLRQ 7KH

EXLOGLQJ FRPSULVHV VHYHQ ͥRRUV LQ WKH IROORZLQJ FRQͤJXUDWLRQ • The hospital plantrooms on the roof level, which sit directly DERYH WKH WKHDWUH EORFNV WKHPVHOYHV 2Q WKLV OHYHO DUH DOVR WKH GRFWRUV DQG QXUVHV UHVW DUHDV SOXV D YLVLWRUV GHFN DUHD • Five functional theatre blocks, three future theatres, CSSD area, high care, ICU wards, paediatric and paediatric ICU wards on OHYHO • A mix of surgical, ambulatory and medical wards plus eight FRQVXOWLQJ URRPV DQG D SULYDWH ERDUGURRP DQG RͦFHV RQ OHYHO • Seven consulting rooms, a radiology department consisting of D 05, VFUHHQLQJ URRP &7 VFDQQHU %XFN\ 6RQDU URRPV DQG 0DPRJUDSK\ DUHD RQ OHYHO 7KHUH LV DOVR D URERWLF 3KDUPDER[ WR EH LQVWDOOHG DW WKH 3KDUPDF\ DUHD 2Q OHYHO WKHUH ZLOO EH D SULYDWHO\ UXQ SDWKRORJ\ ODERUDWRU\ SOXV DVVRFLDWHG SDUNLQJ /HYHO LV WKH SXEOLF SDUNLQJ DUHD ZKLOVW OHYHO FRQVLVWV RI WKH 'RFWRU̵V SDUNLQJ DUHD PDLQ NLWFKHQ VWDII WRLOHWV ODXQGU\ PDLQWHQDQFH VHFXULW\ DQG HQHUJ\ FHQWUH 7KLV EHG KRVSLWDO DOVR KDV D EXLOW LQ FDSDFLW\ WR H[SDQG WR EHGV 7KH KRVSLWDO DOVR KDV VHFXUH VWUXFWXUHG SDUNLQJ ED\V The building is scheduled for completion by the end of $XJXVW ƒ

PROJECT INFORMATION

• Company entering: WBHO • Architect : A3 Architects • Principal Agent: GladAfrica • Project Manager: GladAfrica • Quantity Surveyor: TMS Group • Consulting Engineer: Sotiralis Consulting

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SOUTH POINT JORISSEN STREET STUDENT ACCOMMODATION Situated in the ever transforming area of Braamfontein, across fromWits University and Art Museum, is a remarkable 17 floor new build that has forever changed the skyline of Johannesburg. W %+2 ZHUH DZDUGHG WKH SURMHFW LQ -DQXDU\ WKLV DIWHU

ZLWKRXW DQ\ /RVW 7LPH ,QMXULHV /7,̵V DQG QR UHFRUGDEOH FDVHV As with most sites in current times, WBHO had challenging WLPHV ZLWK WKH /RFDO &RPPXQLW\ +RZHYHU LW ZDV DEOH WR IRUP D SDUWQHUVKLS ZKHUH XS WR GLIIHUHQW ORFDO VXEFRQWUDFWRUV ZRUNHG RQ various trades which included bricklaying, blocklaying, plastering, SDLQWLQJ DQG WLOLQJ The key to the success was in the planning and organising RI ͤQLVKLQJ WUDGHV WR DOORZ DFFHVV LQWR ͥRRUV DW WKH HDUOLHVW RSSRUWXQLW\ 7KH LQWHULRU RI WKH EXLOGLQJ FRQVLVWV PDLQO\ RI WKH WUHQGLQJ OLJKWZHLJKW +HEHO $$& EORFN $SSUR[LPDWHO\ ͤUH GRRUV DQG VWDQGDUG IUDPHV ZHUH ORDGHG LQWR WKH EXLOGLQJ DQG EXLOW LQ MXVW XQGHU QLQH PRQWKV WR FORVH XS WKH LQWHUQDO VWUXFWXUH RI WKH EXLOGLQJ 7KH WRWDO FUDQH ORDGV to get the required river and plaster sand into the building added XS WR RYHU DQG ORDGV UHVSHFWIXOO\ :LWK RQO\ RQH FUDQH RSHUDWLQJ KRXUV D GD\ WR JHW WKH HQRUPRXV DPRXQW RI PDWHULDO into the building required careful crane tracking schedules and per minute monitoring and planning and coordination to achieve the perfect balance between the structural requirements and ͤQLVKLQJ WUDGHV 7KLV VWXGHQW DFFRPPRGDWLRQ FRQVLVWV RI DQ DYHUDJH RI FOXVWHUV SHU ͥRRU ZLWK WKH URRPV WRWDOOLQJ DURXQG 7KHUH DUH double rooms, single rooms, one bedroom units, private studies areas, communal studies, EORFNV EULFNV DQG

the unfortunate closing of Liviero Building who previously FRPSOHWHG WKH HDUWKZRUNV DQG WKH EDVHPHQW :LWK D SURSHUW\ IRRWSULQW RI P DQG D EXLOGLQJ IRRWSULQW RI P , the ͤUVW FKDOOHQJH DURVH IURP HVWDEOLVKLQJ DQG SURJUHVVLQJ LQWR WKH FRQVWUXFWLRQ SKDVH ZLWK OLPLWHG VSDFH :LWK RQO\ P around the building perimeter to work with which included the one lane closure on Jorissen Street, WBHO needed to ensure our planning was DFFXUDWH LQ DOO DUHDV 'XH WR WKH VLWH FRQVWUDLQWV RQO\ RQH WRZHU FUDQH ZDV XWLOLVHG WBHO therefore had to optimise the hook time and each and every OLIW ZDV PDQDJHG DQG UHFRUGHG :LWK WKH FUDQH EHLQJ D OLPLWHG resource WBHO utilised Alma hydraulic climbing gear system on the OLIW VKDIW ZKLFK KRXVHV WKUHH SDVVHQJHU OLIWV DQG RQH ͤUHPDQ̵V OLIW DQG FRQYHQWLRQDO 'RND FOLPELQJ V\VWHP RQ WKH WKUHH VKHDU ZDOOV $W SHDN SURGXFWLRQ WKH SURMHFW VDZ RYHU SHRSOH DQG RYHU VXEFRQWUDFWRUV LQ RSHUDWLRQ 2QJRLQJ ZRUN WKURXJKRXW WKH building on all levels meant that multiple teams and multiple trades worked in close proximity and demanded careful planning, VXSHUYLVLRQ DQG FRQWURO 7KH VLWH PDQDJHPHQW LGHQWLͤHG SRVVLEOH high risk areas and activities on bi-weekly site walks and safety PHHWLQJV 7KH SURMHFW LV FXUUHQWO\ MXVW VKRUW RI PLOOLRQ PDQ KRXUV

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auditoriums, boardrooms and a communal entertainment area including braais on the top ͥRRU 7KH JURXQG ͥRRU DUHD KDV EHHQ VHW XS for retail and includes the main entrance to the DSDUWPHQWV 7KH EDVHPHQW DUHD KRXVHV DOO WKH buildings services and only accommodates SDUNLQJ ED\V DORQJ ZLWK WKH EXLOGLQJV SODQW URRPV +LJK TXDOLW\ VWDQGDUGV RI WKH SURMHFW ZHUH DFKLHYHG E\ VWDUWLQJ ZLWK TXDOLW\ LQVSHFWLRQ IURP FRPPHQFHPHQW RI WKH SURMHFW not only by WBHO but also by consultants DQG DUFKLWHFWV :%+2 DQG /<7 ZRUNHG FORVHO\ together to ensure quality remained of a high VWDQGDUG DQG FRQVLVWHQW E\ XWLOLVLQJ 6QDJ5 ƒ • Company entering: WBHO • Client: South 3RLQW 0DQDJHPHQW 6HUYLFHV • Start dat e: -DQXDU\ • End date: $XJXVW • Main Contractor: WBHO • Architect: LYT Architecture • Principal Agent: LYT Architecture • Project Manager: LYT Architecture • Quantity Surveyor: EthiQS Quantity Surveyors • Consulting Engineers: ADA Consulting PROJECT INFORMATION

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