At what depth is shoring required, according to the Green Book? What is the Green Book?

• The depth of shoring required depends on the type of earth. Anything over 4’ must be shored, and in some cases shoring will be required at shallower depths. • The Green Book is the Ontario Occupational Health and Safety Act and Regulations. Updated each year by the Ontario Ministry of Labour, the Green Book lays out the legal requirements for workplaces, including construction projects. • Sections R-153 through R-167, 222 through 242, outline regulations that relate to shoring, bracing, and earths.

What is shoring?

In context of excavation projects, we refer to shoring as structures such as under pinning, bracing. This system provides support for underground installation, adjacent structures, or to the sides of an excavation trench.

In Toronto when do I need a permit to cut a tree?

In Toronto you will need a permit to cut a tree if it is a protected tree, some trees that fall under this category are street trees of any size, a private tree with a diameter of 30cm or more, and any vegetation and any tree located in an area regulated under Ravin and Natural Feature Protection By-Law.

What machines are required to do excavation and demolishing?

Typically, an excavator is the tool we employ for excavations. As for demolitions the following hydraulic tool attachments are used: saws, augers, rippers, buckets, trenchers, and brush cutters.

What is the most common hazard during an excavation ?

One of the most common hazards during excavation is cave in.

One of the most common hazards during excavation is cave in.

One of the most common hazards during excavation is cave in.