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Side-On Limited Space Construction Hoist from Alimak Hek

Alimak Hek meet limited space requirements with a side-on hoist installation

Alimak Hek complete a side-on installation of an Alimak Scando rack and pinion construction hoist, re-engineering the hoist structure to meet limited space requirements at St Vincent's Private Hospital in Brisbane.

An Alimak Scando rack and pinion hoist was used during the refurbishment and fit-out of St Vincent's Hospital in Brisbane, providing men and materials with access to the top five floors of the hospital. Installed in a narrow laneway adjacent to the hospital structure, space became a critical concern, with the thoroughfare required to be kept clear at all times for emergency access.

Alimak Hek worked closely with the builder, Evans Harch Pty Ltd, to engineer a solution to meet site requirements and keep hoist space to a minimum. An Alimak Scando 20/32 hoist was selected for the extended car size and 2 tonne capacity, accommodating large ceiling board sections, furnishings, specialized equipment and demolished internal building fittings.

To ensure the hospital laneway remained free from obstruction, the hoist was installed as close to the building face as possible, resulting in a side-on installation. A scaffold tower was erected adjacent to the hoist, with platforms in place at each of the five landing levels. Hoist landing gates were located on the right side of the hoist, allowing workers to exit the hoist directly onto the landing platforms.

The major challenge involved in the side-on installation was the tying of the hoist mast to the building structure. To accomplish this, the hospital façade was removed to expose the landing beams, allowing Alimak technicians to secure the mast sections directly to the building. Given the close proximity of the hoist to the building structure, the vertical pipes used to support the landing gates were positioned to the right of the hoist, in line with the landing platforms, and then tied back to the mast for structural support.

Due to site constraints, the use of a mobile site crane was impractical, while the hospital's own internal lift was unable to provide access to the topmost floors. With careful engineering, Alimak Hek were able to provide a vertical access solution to meet the difficult space requirements, allowing for the fast and efficient transport of men and materials during the hospital's refurbishment.

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