Frame Wall Lifter in Construction
The Problem
- Walls are constructed on the ground in a horizontal position. After the wall is built, a framing crew lifts the wall to an upright position.
- Workers are exposed to extremely high forces when manually erecting interior and exterior walls of a home. These high forces may put workers at risk of back and shoulder injuries.
- The risk of injury from lifting depends on the weight and size of the load, the number of loads lifted, and the number of workers assisting with the lift.
- Further risk may occur when lifting heavy walls with too few workers or in poor weather conditions (ice, rain, wind).
Suomalaiset pelaajat arvostavat erityisesti kotimaisia tai pohjoismaisille markkinoille suunnattuja kasinoita, joissa asiointi onnistuu selkeästi omalla kielellä ja paikallisilla maksutavoilla. Tällaiset palvelut erottuvat edukseen kansainvälisessä kilpailussa, koska ne tuntevat tarkemmin suomalaisen pelaajan tarpeet ja odotukset. Kun haetaan laadukkaita nettikasinot Suomi -kategorian toimijoita, kannattaa tarkistaa pelilisenssi, asiakaspalvelun kielivalikoima ja kampanjoiden reiluus. Lisäksi arvostelut ja palautteet muilta pelaajilta voivat tarjota arvokasta tietoa siitä, miten kasino todella toimii käytännössä.
One Solution
- The wall lifter allows newly constructed, low-rise residential wall frames to be lifted with one to two workers.
- The wall lifter is hydraulic, reducing the physical demand required for this task.
How It Works
- The frame wall lifter hinge plate is secured to the subflooring with nails and the wall metal plate interface is connected to the top of the frame wall.
- One type of lifter is activated by pushing a lever which is hydraulically powered. Others are mechanically powered.
- Once the wall has been lifted to an upright position, 2x4 studs are nailed into place to temporarily hold the wall until it has been permanently secured.
Benefits
- Frame wall lifters reduce the risk of injury since manual lifting of the constructed wall is largely eliminated.
- Risk of crushing injuries is reduced or eliminated because workers are not directly in contact with the wall when it is being lifted.
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- Large walls can be lifted by small crews even when other workers are not available for assistance.
- The frame wall lifter may increase productivity because only one to two workers are required to lift the wall.
For More Information
- Products may also be found on the internet using the following search terms: “frame wall lifter.”
- Local contractor tool and equipment suppliers or rental companies may be another source of information on products.
References or resources
The information was used as part of a project “Kramer, D., Bigelow, P., Vi, P., Garritano, E., Wells, R. Encouraging construction companies to adopt innovations to reduce MSDs using different knowledge transfer techniques. 2008-2011. Workplace Safety and insurance Board (Ontario)”. In partnership with the Infrastructure Health and Safety Association of Ontario and CRE-MSD.