The Formwork Magazine

2/2008 · www.doka.com

Perfect fi tting formwork for challenging shapes

50 years of success Tallest building Special anniversary of South America: for Doka … page 4 Costanera Center, Chile … page 8 World première Safe forming New Doka cantilever at the highest level: forming traveller … page 6 Palaisquartier, Frankfurt/M. … page 12

DOKA|int_01_COVER_rz2|BKL2|C.indd 1 19.11.2008 11:40:53 Uhr 2 Doka Xpress

Editorial Doka News

É SCC record in Canada Canada – On a railway tunnel under in Edmonton, Alberta, 48 m long and 5 m high sections of wall are being formed with Framax Xlife large- area elements and cast in a single pour using self-compacting concrete. With a concrete cubage of 700 m3, this is one of the biggest casting sections ever poured A warm welcome to this new using SCC anywhere in North America. edition of Doka Xpress, the international formwork maga- É SKE assignment for zine. To help you make even twin towers more efficient use of your valu- Qatar – In Doha 180 Doka SKE 50 able time, we have redesigned automatic climbers are in action on the our customer magazine to construction of the 246 m tall Twin Palm mark Doka’s 50th anniversary. Towers. Following problems with a local Articles on interesting form- supplier, the site management opted for work solutions clearly point a formwork solution from Doka. Thanks out all the main advantages to Doka‘s support it has been possible to and benefits, so that these can make up for valuable lost construction time. be seen at a glance. Half a century’s jobsite expe- É Intra-urban major project rience in many countries of – The huge “Eurovea” the world has left its mark on development covering 38,000 m2 in Doka. On countless projects, the heart of Bratislava will give the on all continents, we have Slovak capital a new mixed-use riverfront assisted construction firms district. To accomplish this project, main with our “Safe. Fast. Effici- contractors Bilfinger Berger are relying on ent.” formwork solutions. formwork technology from Doka and A considerable part of this benefiting from fast, safe and cost- success can be put down to efficient forming operations. the partnership-oriented way in which we work with our customers and share experi- ence with them. Their jobsite Index Page experience and ideas are constantly finding their way Plunged into the sea: into our innovation process...... The result is new products and Windpark Thornton Bank in Belgium 3 services that offer even greater 50th anniversary for Doka ...... 4 practical benefit in day-to-day working on the site. Like the Successful world première: new Eurex top floor prop, for New Doka cantilever forming traveller ...... 6 Prosmyky Bridge example. It is just about South America‘s tallest building: indestructible, lightweight, ...... easy to handle and sets a Costanera Center, Chile 8 new benchmark against which New landmark on the Arabian Gulf: all other floor props will be Al Fardan Residence Tower ...... 9 measured. I do hope you will find this new edition of Doka Exciting self-climbing première in Ireland: Costanera Center Xpress an enjoyable read! River Suir Bridge ...... 10 Mail us your feedback to [email protected]. Safe forming at the highest level: Palaisquartier Frankfurt/Main ...... 12 Yours, Table lifting system speeds construction: Josef Kurzmann Rhythm Music Row Condominium ...... 14 Executive Director, Doka Group Frankfurt/Main In brief ...... 16

DOKA|int_02-03_ad4|tBKL2|C1.indd 2 29.10.2008 16:17:27 Uhr November 2008 3

The Facts JOBSITE Windpark Thornton Bank LOCATION Belgium REQUIREMENTS Conical- cylindrical gravity base foundations HEIGHT 44 m CONTRACTORS M.B.G.

t The gravity base foundations for the wind turbines are being pre-cast onshore using Doka climbing formwork MF 240. Plunged into the sea

One of the biggest windfarm projects in the The Solution EU is taking shape off the Belgian coast. Its 60 Cone: five separate sets of turbines will generate approx. 1000 GW/h of climbing formwork MF 240. electricity a year, saving 496,000 tons of CO . Each set is being re-used for 2 the same casting section on every GBF tower. More than 50% of Belgium’s greenhouse sets can be re-used for the same casting gases are caused by power generation. section on every GBF tower. Cylinder: three sets of climbing

To meet the 7.5% cut in CO2 emissions formwork MF 240. by 2010 to which Belgium committed in Supporting construction frames used the Kyoto Protocol, the country is betting in the horizontal for safe load transfer Horizontal cantilever slab: high heavily on wind power for generating At a height of 17 m, M.B.G is forming the load-bearing platforms of sup- electricity. The formwork solution for cas- cylinder with three sets of climbing form- porting construction frames, ting the 44 m tall gravity base foundations work MF 240. The 6 m long horizontal Staxo load-bearing towers and (GBF) of the wind power plants is being cantilever slab at a height of more than Top 50 large-area formwork. supplied by Doka Belgium. 40 m requires platforms with high load- bearing capacity. Doka therefore mounted Gravity base foundations: a formwork 8 m high supporting construction frames engineering challenge in the horizontal. Staxo load-bearing After completion, the hollow in-place con- towers and Top 50 large-area formwork crete structures are hauled to a offshore is then set up on these platforms. The q The hollow concrete site, filled with approx. 2,000 3m of sand triangular shape of the supporting const- structures are hauled to the and are able to compensate for the forces ruction frames transfers the vertical loads offshore site by floating cranes and moments from the 184 m tall wind from the fresh concrete into the previously and lowered onto the seabed at turbines. Owing to their special shape, the hardened section. a depth of 27 m. GBF present some very tough formwork technology requirements. For example, the cone rising from this base-slab tapers from 17 m to 5.50 m in diameter. For this, the Belgian contractors M.B.G are using climbing formwork MF 240 fitted with custom elements of large-area formwork Top 50. As every single casting section of the conical zone has a different diameter, there are five separate sets of formwork in service here. Each of these formwork

DOKA|int_02-03_ad4|tBKL2|C1.indd 3 29.10.2008 16:17:46 Uhr 4 Doka Xpress

Aerial view of Doka’s central plant in Amstetten.Ñ A history of success – Doka turns 50

50 years ago, on 6th May 1958, Doka was first registered in the Austrian Register of Companies.

50 years later, Doka is a brand that client for whom they were first produced, enjoys worldwide recognition and is a by- they were referred to simply as “Doka” word for quality, innovation and capability sheets, a term which ultimately also gave in all areas of formwork technology. With the company its name. Building on this its outstanding products, high-calibre success, Doka successively moved in the advisory service, competitive production direction of system formwork. operations and comprehensive package of service offerings, Doka makes a major By constantly innovating, Doka always contribution towards sharpening its cus- keeps a step ahead. When developing 1955 tomers’ competitive edge. new forming systems, workload reduc- Première for Doka formwork tion, ease of handling, safety, durability sheets at Ybbs-Persenbeug. The roots of the parent Umdasch and system compatibility are always its company go all the way back to 1868. top priorities. By as early as 1965 Doka Construction of the Ybbs-Persenbeug had already developed large-area form- hydroelectric power station on the River work. This was followed in 1971 by the Danube in 1955 ushered in a new era for first climbing formwork, which was used the company. For it was on this project for the building of a ship lift at Lüneburg, that the novel, glue-bonded formwork . In 1977 Doka enlarged its ran- sheets from the Umdasch ge of climbing formwork with the firm in Amstetten made their debut, SKE 175 hydraulic automatic climbers. being used by the client “DOKW”. The These enabled the 180 m tall piers of advantages of these sheets were so what was then ’s tallest bridge, 1961 convincing that soon the firm was selling the Kochertal Viaduct, to be formed wit- Impressive growth: them as fast as it could make them. In hout a crane. In 1981, the cooling tower the plant in . a shortened version of the name of the of the Voitsberg thermal power plant in

DOKA|int_04-05_ad1|BL2|C.indd 6 29.10.2008 16:26:12 Uhr November 2008 5

t The Seidewitztal Bridge in Germany was built with the Doka forming traveller.

1971 Première for Doka climbing formwork.

1985 First building site with Framax framed formwork.

Austria was built using the newly deve- upgrading its production facilities. A new loped Doka cooling tower formwork. The beam-flange production line, and four hand-set formwork system Dokaflex 20 moulding stations for the end-reinforce- and repositionable tableforms were also ments on the H20 top beam, will take premiered in the same year. The Framax annual output to 12 m linear metres of framed formwork, now in service in its formwork beams. The new container ter- millions, and the wall formwork FF 20 minal, with a gantry crane and a compu- both started speeding up work on the ter-controlled high rack warehouse, will site in 1986. Over the past few years, ensure that the huge volumes of goods Doka has initiated a new chapter in the being shipped out of the Amstetten main 1996 history of formwork technology with its plant will continue to arrive in the right Doka platform SCP use of high-tech wood/plastic composi- place, at the right time. Four million m2 of enters market. tes, as exemplified by the H20 top beam three-ply sheets a year are produced at and the Framax Xlife sheet, to name but the branch plant in Slovakia. two. New products such as the Doka Doka is currently represented in more cantilever forming traveller, the load-bea- than 65 countries, with over 140 bran- ring tower Staxo, the table lifting system ches and logistics facilities. The Doka TLS, the climbing formwork Xclimb 60 Group is determined to increase its mar- and the platform system Xsafe show that ket shares still further in the coming years continual innovation is at the heart of the as well, and to open up new markets. Doka corporate philosophy. This successful internationalisation drive not only strengthens Doka’s position as To ensure its continued ability to meet a global player on the international form- 2007 ever-rising demand, Doka has been in- work market, but also lays solid founda- Forming the future with Doka vesting heavily in expanding and tions for future growth. in Dubai.

DOKA|int_04-05_ad1|BL2|C.indd 7 29.10.2008 16:26:13 Uhr 6 Doka Xpress

p The contracting consortium of SMP and Metrostav is erecting the motor- New Doka cantilever way bridge over the River Elbe in the Czech Republic using the newly developed Doka cantilever forming traveller. forming traveller

Prosmyky Bridge, Czech Republic. Contractors SMP und Metrostav benefit from the advantages of the Doka cantilever forming traveller.

DOKA|int_06-07_ad1|B2kL2|C.indd 4 29.10.2008 16:45:40 Uhr November 2008 7

The Prosmyky Bridge spans the Elbe greater in height. This means that the with a length of 585 m. The box-girder workspaces around the cantilever-arm superstructure rests on six piers, which and slab formwork are much roomier. are also being constructed using Doka Another crucial improvement is the tie- Formwork Technology. The three spans rod girder which ensures a maximum of of the superstructure are being cast by flexibility: the tie-rods can be freely posi- means of two Doka cantilever forming tioned in a tightly spaced grid anywhere travellers in a total of 26 casting steps. along the entire length of the tie-rod gir- der, enabling them to be perfectly tailored Optimum solution to the bending moment. The tie-rods are for cantilevering works operated from a generously sized, safe- The result of Doka’s long-standing guarded working platform. To facilitate experience in the field of cantilevered casting of the upward-tapering sidewalls, construction, the newly developed Doka Doka further optimised its new cantilever cantilever forming traveller sets a new forming traveller with a telescopic timber- benchmark in terms of workplace ergo- beam formwork. nomics, safety and cost effectiveness. The Doka cantilever forming traveller’s Guaranteed certainty modular, flexible structure allows it to be regarding planning and costs used for forming both straight, inclined The newly developed cantilever forming and multi-cell box girder cross-sections traveller makes Doka the only manufac- without any time-wasting, cost-intensive turer anywhere in the world that can offer modifications. The Doka Cantilevering an all-in-one solution for cantilevering. Expertise Centre made an in-depth The perfectly matched combination of analysis of the potential for improvement Doka’s cantilever forming traveller and on existing cantilever forming travellers, its Top 50 large-area formwork does and translated these insights into reality away with the often fault-prone interface by developing the new Doka cantilever between traveller and formwork. Cons- forming traveller to meet the needs of truction firms benefit from the certainty on-site practice. this provides regarding planning and costs, and can handle their cantileve- The most striking improvement over the ring projects more quickly, safely and p cantilever forming travellers previously economically than ever before. The Doka Generously-sized working platforms on all levels, and available on the market relates to the cantilever forming traveller is a rentable a built-in ladder system with geometry of the longitudinal trusses. all-in-one solution that ensures the very integrated ladder cages ensure These take the form of parallelograms maximum in cost efficiency and cost maximum safety in every phase and are deliberately designed to be much transparency. of the formwork operations.

The Doka cantilever forming traveller sets new standards for cost efficiency, workplace ergonomics and on-the-job safety. Safe. Fast. Efficient. Safety first

A main focus of the develop- ment effort was to enhance workplace safety. For ex- ample, unlike on competing products, safe access to the tie-rod girder is ensured by a built-in ladder system with integrated ladder cages and fully enclosed working plat- forms. The two other work- deck levels for the cantilever and slab formwork and the bottom formwork are also equipped with vertical access systems and working platforms. This extensive package of safety features is rounded off by self-locking manhole lids.

DOKA|int_06-07_ad1|B2kL2|C.indd 5 29.10.2008 16:53:15 Uhr 8 Doka Xpress

52 automatic climbers raise 1600 m² of wall formwork, plus the concrete placing boom, up to the next casting section – all at the push of a button. u When completed, the 300 m “Gran Torre Costanera” will be the tallest building in South America. q

The Facts JOBSITE South America´s Gran Torre Costanera LOCATION Santiago, Chile CUSTOMER Salfacorp tallest building REQUIREMENTS 270 m tall in-situ concrete core with varying wall cross-section to be built on a tight construction schedule Contractors Salfacorp opted for a Doka self- PRODUCT USED Automatic climbing formwork climbing formwork solution to construct the „Gran SKE 100 and large-area Torre Costanera“ in Santiago, Chile. formwork Top 50

What clinched the deal for Doka was the site crew are achieving a weekly cycle technical lead it has built up in the field for the 4.1 m high typical storeys. A total of self-climbing formwork technology, of 60 casting steps are to be executed. its unrivalled experience on some of the With the adaptable automatic climbing world’s tallest buildings, such as the Burj formwork SKE 100, the varying wall Dubai, and its systems’ compliance with cross-sections are being cast swiftly and the very highest safety standards. with no need for any time-consuming modifications. Forming-operations at the The Solution push of a button Professional on-site consulting The 270 m tall in-situ concrete core of The platforms of the SKE 100 automatic 52 automatic climbers the “Gran Torre Costanera” is characte- climbers and the large-area formwork Doka SKE 100 raise around rised by a honeycombed twin-shaft Top 50 were pre-assembled under the 1600 m2 of wall formwork, plus geometry and by a continuous upward supervision of two Doka field service tech- the concrete placing boom, up taper. The forming operations on the nicians and delivered to the site ready for to the next casting section. With this Doka form- structure core are being carried out using immediate use. What is more, the experi- work solution, the site crew are an SKE 100 self-climbing formwork solu- enced Doka field service technicians also achieving a weekly cycle for tion incorporating large-area formwork instructed the site crew on how to operate the 4.1 m high typical storeys. Top 50. This system stands out for its the formwork equipment properly, and With the adaptable automatic high operational safety, speed and effici- were on hand to provide assistance during climbing formwork, the varying ency. 52 automatic climbers raise around the first casting steps. This has helped to wall cross-sections are being 1600 m2 of wall formwork, plus the con- ensure a smooth construction workflow, cast swiftly and with no need crete placing boom, up to the next cas- with small commissioning quantities, for any time-consuming ting section – all at the push of a button. efficient materials-scheduling and full modifications. With this Doka formwork solution, the compliance with all safety standards.

DOKA|int_08-09_rz|L2|C.indd 14 18.11.2008 13:25:53 Uhr November 2008 9

For the in-situ concrete core, 94 Doka automatic p With 243 m, the Al Fardan climbers SKE 50 have been deployed. The CDC Residence Tower will be the tal- site crew is forming, reinforcing and pouring the lest building in Doha. Contractors 64 casting sections in a 3 to 4-day cycle. CDC (Construction Development Company) are relying on form- work technology from Doka.

The Facts New landmark on JOBSITE Al Fardan Residence Tower LOCATION Doha, Qatar CUSTOMER Construction the Arabian Gulf Development Company (CDC) REQUIREMENTS 240 m in-situ concrete core to be built safely and in a tight construction schedule. The At a height of 243 m, the Al Fardan Residence cramped site conditions in the Tower marks a new record for Doha. densely built-up city centre location presented some tough demands regarding operations scheduling and efficient site The over 240 m in-situ concrete core is underlining the benefits of this self- logistics being climbed in 64 casting steps, each climbing formwork from Doka. PRODUCT USED 4.1 m high, using 94 SKE 50 automatic Automatic climbing formwork climbers, in a 3 to 4-day cycle by the Cost-effective floor-slab formwork SKE 50 and large-area form- contractors Construction Development The 1900 m2 area of slab in each of work for the concrete core and Company (CDC). Fitted with Top 50 the typical storeys is being formed by Dokaflex tables for the slabs large-area formwork, these self-climbing the CDC site crew using cost-effective, scaffolds are easy to operate and very economical Dokaflex tables, which were ruggedly built. The all-round fall-protec- delivered to the site ready for immediate The Solution tion on the working platforms, and the use. This took a lot of pressure off the The site crew achieves a 3 to fact that the automatic climbing formwork site logistics, ensuring that work could 4-day cycle for the 4.1 m high is anchored in the concrete at all times, move ahead rapidly. casting steps with the together ensure safe working conditions The floor slab above the basement level SKE 50 automatic climbers. in every phase of the formwork opera- was constructed using an economical With its detailed formwork tions, and smooth construction progress. combination of the versatile hand-set planning, just-in-time deliv- “The Al Fardan Residence Tower is al- formwork system Dokaflex and the easy- eries to minimise the on-site ready the second project that we’ve built to-erect d2 load-bearing towers. The formwork quantities, and using Doka SKE 50 automatic climbing columns in the typical storeys are being streamlined materials- formwork. The quick and easy repositio- formed using the high-strength column scheduling for maximum eco- ning operation, powered by hydraulic formwork Top 50. Thanks to the effici- nomy throughout the formwork cylinders, the high safety standard and ent formwork planning and the smooth operations, Doka is helping the outstanding product quality con- progress of the forming operations, the CDC site crew carry out vinced us right from the outset”, notes this project is right on time and right on this major project in a typically CDC project manager Maher Al Saudi, budget. “Safe. Fast. Efficient.” manner.

DOKA|int_08-09_rz|L2|C.indd 15 30.10.2008 10:31:32 Uhr 10 Doka Xpress

DOKA|int_10-11_rz|BKL2|C.indd 14 29.10.2008 16:55:52 Uhr November 2008 11 Exciting self-climbing première with Doka Raphael Torres, site supervisor River Suir Bridge, Ireland. With its 108 m tall The Professional pylon and an overall length of 465 m, it is the The support we’ve had longest cable-stayed bridge in Ireland. from the Doka form- work experts has been a crucial factor helping us to The legs of the A-shaped bridge pylon Wide-ranging service offerings ensure meet the ambitious timetable. are inclined by 15 degrees and characte- cost-efficient construction progress Specifically, the thorough rised by their parabola-like cross-section. introductory training given to To erect the 108 m pylon, the contracting As the contracting JV had not had any the crew by the field service JV of Dragados, NTR and Royal BAM is previous experience with automatic clim- technicians in how to use the relying on the high-performing automatic bing formwork, the site crew are being new equipment made a big climbing formwork Doka SKE 50. A total given intensive support and assistance contribution towards the safe, of twenty SKE 50 automatic climbers and by experienced Doka Formwork Experts smooth forming operations 300 m2 of large-area formwork and field service technicians. Alongside we’ve been having here.” Top 50 are in service here. “This is detailed formwork planning, the Doka the first time we’ve ever worked with service package includes stalwart as- automatic climbing technology. The sistance for the site crew with first-time Doka formwork solution convinced us assembly of the formwork equipment, The Facts right from the word ‚go‘. In particular, and ongoing support of the site by Doka being able to jump the formwork units so engineers. The platforms for the SKE 50 JOBSITE River Suir Bridge quickly and safely using hydraulic cylin- automatic climbing formwork, and the ders, and set up and strike the formwork extra-large Top 50 elements, are as- LOCATION Waterford, Ireland in such a straightforward way, really helps sembled on-site under the professional CUSTOMER Consortium of Dra- work to move ahead rapidly”, comments guidance of an experienced Doka field gados, NTR and Royal BAM contractors’ supervisor Raphael Torres, service technician. Besides this, the field REQUIREMENTS summing up their positive experience with service technician instructs the site crew 108 m tall pylon with 15 degrees inclined legs, which the Doka automatic climbing formwork on correct handling of the formwork merge into a 48 m pylon head SKE 50. The profiled timber formers, made equipment, and passes on the basic at a height of 60 m with complete dimensional accuracy by principles needed to ensure the very PRODUCT USED the Doka “Ready-to-Use” Service, enable greatest operational safety. This helps Automatic climbing formwork the form-ply to be exactly adapted to the to ensure troublefree forming operations Doka SKE 50, large-area form- complex cross-section. The inside shaft and get the most use out of the efficient work Top 50, profile-guided is being climbed using the profile-guided formwork solution, right from the very climbing formwork GCS for the climbing formwork GCS. The site crew first casting section. inside shaft forms, pours and reinforces the pylon legs in a weekly cycle. The Solution

At a height of 60 m, the pylon legs merge The pylon legs are formed, into a 48 m pylon head. In the last three reinforced and poured with casting sections before the point where SKE 50 automatic climbing the legs merge, the platforms have to formwork and large-area form- be continuously adapted to the chan- work Top 50 in a weekly cycle. Profiled timber forms, made ging space conditions. For the work on by the Doka “Ready-to-Use” the upward-tapering pylon head, the Service, enable the form-ply platforms are adapted to the automatic to be exactly adapted to the climbing formwork as required by the complex cross section. new cross-section. All the components of the self-climbing units used for the work t on the pylon legs can be re-used here, With a length of 465 m, the River Suir Bridge is by far the keeping the commissioning quantities to biggest cable-stayed bridge in a minimum. The Top 50 large-area form- Ireland. Doka is supplying the work also stays in use, following minor entire formwork solution for the modifications. works on its 106 m tall pylon.

DOKA|int_10-11_rz|BKL2|C.indd 15 30.10.2008 9:58:32 Uhr 12 Doka Xpress

DOKA|int_12-13|tL2|C.indd 4 29.10.2008 16:46:57 Uhr November 2008 13

Safe forming The Facts THE PROJECT at the highest level Palaisquartier, Frankfurt ARCHITECTS Zimmermann, Massimiliano Fuksas BUILDINGS In Frankfurt am Main, a high-rise A: Basement car-park; FrankfurtHochVier JV - Lot 1: complex is taking shape to a design by Bilfinger Berger AG Special Civ.Eng. Branch, Hochtief Zimmermann with Massimiliano Fuksas. Construction AG, Bauer GmbH B: Office high-rise; BAM Deutschland AG This “Mainhattan” megaproject will be a for securing the tower legs. C & D: Hotel high-rise and shopping centre; networked unit of four buildings. Two of An approx. 1750 m2 Doka protection Ed. Züblin AG these will be towers that are visible from screen encircles Building B, all the way up MAX. HEIGHT afar; one 135 m tall (Building B), the other to its final height of 135 m, making it just as 135 m (Building B) (Building C) 95 m tall. safe to work there as down on the ground. 95 m (Building C) FORMWORK ELEMENTS Staxo 100 “rises” to the challenge Table lifting system TLS 1750 m2 of protection screen Building B – an office high-rise – beats all expectations 2200 Staxo frames consists of a 33-storey tower made up of Building C, a 25-storey hotel high-rise, is 1400 m2 of Dokaflex tables four vertical segments, each of a differ- being built by Ed. Züblin AG. Here too, 2 table lifting systems TLS ent height, on a broad, four-storey base. the protection screen Xclimb 60 ensures Between Level 0 and +52.42 m, contrac- the very highest safety and productivity. tors BAM Deutschland AG are shoring Being raised by portable hydraulic cylin- the approx. 150 m2, widely cantilevering ders, it also saves greatly on crane time. flat-slab floors using more than 2200 The site team is particularly impressed by The Solution Staxo 100 frames. In the following the Dokamatic tables. Commissioning a storeys, for reasons of weight, only large enough quantity for two complete The hydraulically climbed every other floor-slab is being cast as a levels required 1400 m2 of tables. These Doka protection screen en- pre-stressed main slab. The intervening are jumped cranelessly to the next-but- sures safe workplaces, high floor-slabs are supported and suspended. one storey by the table lifting system above the roofs of Frankfurt. Only when the top floor-slab has been TLS, which itself climbs up the structure The Staxo 100 tower frames cast, and all the slabs below it have been as needed. Together with the Doka shift- are quick and safe to erect - pre-stressed, does the statical system ing trolley plus attachable drive unit, this even when, as here, they are become fully load-bearing. When erect- gets 12.50 m2 of table to the next usage over 52 m tall. Already very ing the Staxo towers, allowance had to location in just a few minutes, outdoing fast, the Dokamatic tables be made for varying footing situations, all expectations with respect to safety are given another big speed necessitating suitable retaining and speed. boost by the table lifting system TLS.

t The Dokamatic tables are Staxo 100 with quickly jumped two storeys at intermediate a time with the climbing table platforms: lifting system TLS. Safe, reliable shoring even of somewhat Claus Spessart and Dirk greater heights. Leonhardt, Doka advisers

Your contact

The bottom line of a good formwork solution is that it saves a lot more than it costs.”

DOKA|int_12-13|tL2|C.indd 5 29.10.2008 16:47:12 Uhr 14 Doka Xpress

The 15-story building features a parking garage, retail stores, office spaces and a housing complex.

DOKA|int_14-15_ad1|BKL2|C.indd 14 29.10.2008 16:47:33 Uhr November 2008 15 Table lifting

without a crane Bobby Kay, project manager, Harcon, Inc. Doka supplied 1400 m2 of Dokamatic tables, the The Professional table lifting system and shifting trolleys for quick The table lifting system slab forming operations on this site. reduces crane time which ultimately leads to better productivity on the For the builders of the Rhythm complex, pletely assembled, including plywood, jobsite. Innovation like this is one of the primary goals was to build the eliminating build-up cost, reducing rental the future of construction.“ structure as quickly as possible. To help costs and allowing for smaller crew sizes. meet this goal, the contractor, Harcon Inc., chose Doka USA as the formwork supplier. The TLS lifts the Dokamatic tables from Doka’s ability to provide formwork on a one level to the next without using a tight schedule, with fast set time and fast crane. This makes the crane free for other cycle time, was a plus for the project. jobs, so the overall work at the construc- tion site progresses faster. Since the footprint of the building was so “Doka’s table lifting system is basically close to the actual size of the parcel of an elevator that mounts to the side of the land, the contractor was very constricted building,” Paul Campbell, Account Ma- as to the type of construction methods nager, Doka USA, explained. “When you that could be used to build the structure. are finished pouring a floor, the tables are Originally, Harcon had decided to use dropped down, rolled onto the elevator conventional wood shoring as a method and taken to the next level where the The Facts for construction. Although this method tables are rolled off and re-set.” Doka’s JOBSITE Rhythm at Music Row would fit the tight job constraints, it was comprehensive safety package ensures Condominium Complex very time- and labour-intensive. With con- fast, safe work procedures, both for ope- LOCATION Nashville, TN ventional wood shoring, all work is hand- rating the lift table and for repositioning. CUSTOMER Harcon Inc. set – all formwork is set up by hand and REQUIREMENTS 15-storey after the concrete is poured, the formwork Additionally, Doka’s expertise helped the building with 23000 m2 floor is wrecked out by hand and moved to the contractor to achieve the desired look space to be built on a tight next floor for hand set-up again. that the architect required. “The architect construction schedule specified exposed concrete floors and PRODUCT USED Dokamatic What Harcon needed was a way to meet ceilings,” said Campbell. “We use very Table, Dokaflex S, table lifting its schedule and keep its workforce as high-grade plywood on our Dokamatic system (TLS) & shifting trolleys low as possible. Dokamatic tables were tables and that gives an excellent finish TOTAL FORMWORK USED 2 delivered to the construction jobsite com- on the concrete.” 1400 m Docamatic tables

The Solution

The TLS table lifting system lifts the preassembled Dokamatic tables from one level to the next without using a crane. This makes the crane free for other jobs, so the overall work at the construc- tion site progresses faster.

É The TLS table lifting system lifts the Dokamatic tables from one level to the next without using a crane.

DOKA|int_14-15_ad1|BKL2|C.indd 15 30.10.2008 9:55:39 Uhr 16 Doka Xpress In brief

News, dates, media, awards

HIGH ACCOLADE FOR DOKA tube excellent protection against being Doka has been awarded the Solid-Bautech damaged, e.g. when the prop is knocked Prize 2008 for the formwork operations into position by hammer. This means that on the building of the Burj Dubai, which deformed and jammed floor props are was rated the best project in the “concrete well-and-truly a thing of the past. construction” category. In particular, the Another crucial goal for the product university professors and internationally developers was to make work a lot easier renowned construction experts on the for the site crew by substantially reducing high-calibre jury singled out the ingenious the weight of the prop. Being one of the materials-scheduling, the self-climbing lightest EN 1065 tested floor props there formwork solution and the record-breaking is, the Eurex top greatly cuts down on three-day cycle for the over 180 casting the amount of physical effort needed to steps as an extraordinary and indeed reposition the equipment. exemplary accomplishment. This ensures a fast, ergonomically Adolf Bösch, Marketing Manager Doka, optimised workflow. And of course, received the Solid-Bautech Prize 2008 for consistently high load capacity is the Burj Dubai. guaranteed at any telescoping length. With its special thread geometry, the EUREX TOP – THE NEW TOP built-in quick-lowering feature makes it FLOOR PROP FROM DOKA easy and safe to back off the prop, even With its new Eurex top floor prop, Doka when under full load. Indelibly stamped has set a new benchmark for the durability, on opposite sides of the prop, the hole- ergonomic design and safety of form- numbering is an easy-to-understand work equipment in the rough-and-tumble reference tool for adjusting the height, of everyday work on the site. The most while the ergonomically shaped fastening obvious new feature of the Eurex top is its clamp reduces the risk of injury and en- integral impact protector. It gives the prop sures smooth movement on the thread.

Doka GmbH Josef Umdasch Platz 1 3300 Amstetten, Austria Tel. +43 (0)7472 605-0 Fax +43 (0)7472 64430 E-Mail: [email protected] Internet: www.doka.com

Doka branches www.doka.com worldwide E-Mail: [email protected]

Impressum: „Doka Xpress“ is a publication of the International Doka Group. Publisher: Doka GmbH, Josef Umdasch Platz 1, A 3300 Amstetten, Austria. Editor-in-chief: H. Bachinger. Layout design: Falter Corporate Publishing, Vienna, Austria. Printers: Niederösterreichisches Pressehaus, St. Pölten. In some cases the site photos show the situation during formwork assembly and are therefore not always complete from the point of view of safety.

www.doka.com

DOKA|int_16_ad3|L2C.indd 16 30.10.2008 10:00:08 Uhr