How to Use the 3D Model
This interactive 3D model demonstrates the lifting arrangement for precast concrete stairs using four cast-in lifting eyes and a 4-leg Grade 80 chain sling.
On mobile and desktop:
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Rotate: Drag with one finger / mouse
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Zoom: Pinch with two fingers / scroll wheel
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Annotations: Tap the markers on the model to view lifting details
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Full screen: Tap the ⛶ icon for full-screen viewing
Lifting Arrangement – Overview
The precast stair unit is lifted using a 4-point lift configuration, ensuring stability and even load distribution throughout the lift.
Lifting system includes:
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4 no. cast-in swivel lifting eyes (Grade 8)
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1 no. 4-leg Grade 80 chain sling (BS EN 818-4)
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Certified master link and connectors
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Sling lengths are adjusted to maintain a level lift, with all lifting points engaged simultaneously.
⚠️ Important Note
This 3D model is provided for illustrative and guidance purposes only.
All lifting operations must be carried out in accordance with:
The approved site-specific Lift Plan
LOLER and BS 7121 requirements
Manufacturer’s instructions
Under the control of a competent Appointed Person