Bathroom Module Unloading and Staging

Download the Bathroom Module Unloading Standard
Operating Procedure document (opens in a new window).

Understanding the site logistics is an important step in the process of modular unit unloading and staging. It is important to stage the trucks as close as possible to the unloading area to efficiently unload modular units. The order in which the units arrive on site will also add a level of efficiency to the installation process so that you do not overload the project.

Part 1 – Removal of Straps and Shipping Packaging

• Remove tie-down straps and edge protectors securing the units to the truck
• Document the condition of the units upon arrival
• Remove metal banding and strapping from the bottom of the unit
• Remove plastic shrink wrap from the units and discard

Upon arrival of the units, it is important for team members to document to condition of the units. Once the trucks are in the unloading area, begin removing the tie-down straps and edge protectors from the units. Use an impact drill to remove the metal clips holding the banding at the bottom of the bathroom units. When removing the plastic from the bathrooms, be sure to cut the plastic at the top portion of the unit so that the finish on the door is not damaged. Begin by finding the door and cutting above it, ensuring that the door is not damaged during the unwrapping process.

Part – 2 – Assemble Rigging and Connect to Crane

• Assemble the rigging as detailed by modular rigging lead
• Check each piece of rigging for damage or weak spots
• Connect rigging to crane block

The rigging should be assembled as specified by the modular rigging lead on site. Prior to lifting each unit, each piece of rigging should be checked to verify rigging is secured and damage free.

Part 3 – Attach Rigging to Unit

• Ensure rigging is oriented correctly
• Engage yellow pick points into slotted stud
• Ratchet strap yellow pick points to the unit
• Lift unit from the truck to the platform

When attaching the rigging to the unit, ensure that the rigging is oriented correctly with the unit, making sure that the short side of the rig is over the door. It is important to have one person per pick point for the lifting of a bathroom unit. Engage the pick point into the slotted stud and verify that the locking pin is fully engaged. Always use a ratchet strap around the unit pick points as a failsafe and tighten the strap just enough to hold the pick points in place without damaging the studs on the unit.

Part 4 – Landing the Unit

• Land the unit onto the platform with guideline
• Remove the strap and disengage the pick points
• Keep the pick points free and clear of the unit as crane lifts the rigging for the next pick

When landing the unit, the designated lead should guide the module onto the platform with the attached guideline. The rest of the receiving team should then assist with removing the strap and disengaging the pick points making sure that the picks are free and clear of the unit when returning rigging to lift the next module.

Part 5 – Staging the Unit

• Engage the movers into the Unit
• Using loud verbal commands, evenly lift the unit
• Stage the as close to the installation location
• Evenly lower the unit and disengage the movers
• Bring movers back to the landing pad to receive/stage the next unit

Once the rigging is free and clear of the unit, the team should engage the movers into the slotted studs. The team lead, using loud verbal commands, should then direct the team to evenly lift the unit to begin moving the module into its staged location making sure the team is aware of all pinch points. Once the unit is as close as possible to its install location, the team should evenly lower the unit to disengage the movers. The staging team would then return the movers to the platform prepare for receiving the next unit.

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