Summary
Highlights
Tie the main run and return together. Add bracing to form the zigzag pattern. Lift the stairs into place and bolt stair handrails using provided holes. Lift planks to the next working platform, using rope for higher lifts if necessary. Add ledges and transoms 500mm from the work surface for mid-rails and 1 meter for final guard rails. Add the tie between the return and main run, letting extra tube length hang over the edge. Install toe boards by lifting the outer plank and rolling them into place, fixing them to standards with clamps or wire.
Construct a step from tube, couplers, and a wooden plank for the access bay, as the existing steps are too high. Attach tubes to standards under the planks using couplers, ensuring sufficient overhang for the step plank. Add and secure the wooden plank with check couplers. Reposition the stairs if head height is insufficient.
Install form brackets (hop-ups) to create a working platform between the scaffold and the building. Install brackets at each end, then the tie bar between them. Add planks to form the platform. Once the platform is safe, remove guard rails and mid-rails. Check the scaffold and install any missing components, such as a handrail at the top of the stairs, if needed.
Complete the final inspection and scaffold tag. It is good practice for another licensed scaffolder not involved in the installation to perform this inspection. If everything is satisfactory, complete the final parts of the tag and display it clearly at the access point.
Install standards for the next level, ensuring proper lifting technique and correct orientation for fitting over existing standards. Put transoms and ledges in place as temporary guard rails. Add all transoms and ledges for the next working platform. Do not store components on the working platform.
Begin by defining and barricading the work area, displaying signage indicating scaffolding is under construction. Before starting, count and check all scaffolding parts against the delivery docket to ensure all correct components are present.
Vertically align a scaffold tube with the corner of the eaves to align the scaffolding with the building. Lay out parts for the first lift to roughly set sole plate positions. Place and level sole plates, ensuring a firm foundation. Use the base plate to compact the sole plate and adjust base plates for uneven ground, leaving scope for later adjustments.
Start at the highest point and insert base plates into the standards on both sides. Lift standards as a team and insert a transom into the lowest v-connectors. Rotate standards so the highest v-connectors face along the scaffold sides. Attach ledges and insert the final transom to link the standards. Level the bay using a spirit level and base plate adjustments on all four sides.
Check the distance from the building and move the bay using a lever if necessary. Adjust sole plates if they are not in the perfect place. Check the bay for squareness by measuring diagonal dimensions from the inside of each standard, or by checking plank alignment with the transom. Hammer pins and wedges into place, then install and fix upper transoms and ledges.
Complete the first bay, ensuring it is level and square. Construct the rest of the bays for the first lift, leveling and aligning them with the building as you go. If broken or damaged components are found, set them aside and inform the hire company.
Plank out the first lift to form a working platform. Erect an access bay on the non-working face for a stairs system. Use a larger sole plate for soft ground in the access area. Erect the access bay in the same order as main bays, attaching the transom to new and existing standards and leveling base plates, especially on slopes. Assemble upper transoms and ledges for the access bay.
Add transverse braces to prevent distortion and swaying, forming a zigzag pattern. Install braces more easily with two people, attaching the top first. Add transverse braces to the access bay. Lift and carefully fit the stairs over the transom. Plank out the area next to the stairs.
Construct the return in the same way as other bays, checking for level and square. Roll ledges into place for the wedge to drop into position. Add transverse braces to the end of the return scaffold. Tie the main run and return together using tube scaffold and right-angle couplers, ensuring couplers support the tube and are tightened securely with a lanyard-attached spanner.
Add longitudinal braces to every fourth bay (three bays between braces). Transfer planks from the base working platform to the next lift to form a temporary working platform. Lift the transom to provide headroom at the access point.