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The Ladd Tower, Portland, Oregon
SKYTABLE Achieves Fast Construction Cycle to Maintain Tight Construction Schedule
7,000 ft² (650 m²) of SKYTABLE shoring, with table sizes that range from 14' x 36' (4.30m x 11.00m) to 16' x 54' (4.90m x 16.50m), are moved in eight hours allowing SAK Construction to achieve a seven day cycle for the 15,000 ft² (1,394 m²) typical floors. To accomodate the 1 ¾“ (4.30 cm) drop at the balconies the tables are fabricated with the soffit step in the tables. Corner tables were designed with a hinged wing to wrap around the column to minimize handset infills thus saving time and labor.
The two 60' x 30' (18.30 m x 9.10 m) cores with a typical lift height of 10' (3.00m) were constructed using a combination of ACS and RCS climbing systems. Selfclimbing ACS P units provide a large working platform and support the interior wall formwork. Crane lifted RCS climbing strongbacks support the exterior wall formwork off of the previously cast lift. This innovative pairing of climbing systems allows for the walls to be cast monolithically with the slabs without the need for over-all support beams for the exterior formwork that would interfere with the installation of the wall rebar.
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| PERI Systems In Use |
ACS P Self Climbing System
SKYTABLE Tableforms
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Jerrid Tomkins
Concrete Superintendent
The SKYTABLE system is lighter and easier to handle, giving us a much faster lift to the next construction level. It is very adjustable to our needs. First time using these tables, they work three times faster compared to
other slab formwork used in the past. This system is a great invention and it makes my job easier.
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Field Service:
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PERI Formwork Systems, Inc., USA
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