STANDARD PRECAST
TruTon Tower Crane Test
Block System
The gold standard in lifting assurance – pre-engineered, precision-manufactured, and ready to meet the demands of your most critical projects.
A fully engineered, smarter, safer tower crane test block system that meets new regulations.
Max 7000lb base Weight
Test block sizes
Varies in weight for any site
Designed for consistent performance and simplified deployment.
Each component displays its weight for easy identification and load planning.
Every component includes a traceable unique identifier and tracker.
Supplied with quality records, testing documentation and manufacturer specifications.
Safe, Stable and optimized for a variety of configurations.
Built for long-term reliability in rugged jobsite conditions
Systems are tailored to fit your crane's specifications on-site.
Ensure compliance and confidence with third-party validation.
Ontario Regulation 213/91 (Construction Projects) under the Occupational Health and Safety Act specifies requirements for the use of test blocks for cranes, particularly tower cranes. These requirements are outlined in the following sections:
Every portable or removable counterweight, test block, and ballast used on a crane must be accurately
weighed and have their weight clearly marked on them. This ensures proper load management and safety during crane operations.
Overload limit devices for a tower crane shall be tested using test blocks designed for the purpose that have their weight clearly marked on them. This provision mandates the use of appropriately marked test blocks to verify the functionality of overload limit devices
The test blocks shall be kept on the project while the crane is erected. This requirement ensures that test blocks are readily available for ongoing testing and verification of crane safety mechanisms.
34", 45" and 56" test blocks

TruTon bases are available in 5,000 lb and 7,000 lb weights

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