A Treatise On Safety Engineering As Applied to Scaffolds
A Treatise On Safety Engineering As Applied to Scaffolds
Travelers Insurance Companies
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The splitting of the ledgers at the ends is caused CLAMPS 53 mainly by unnecessarily rough treatment, the men striking them heavily on the back with their hammers, to draw the nails. The splitting can be reduced in large measure by striking, not directly upon the ledger itself, but upon a block held against it. It cannot be wholly prevented in this way, however. Ledgers can best be removed from the poles by using a stirrup-shaped special tool that can be turned out easily and quickly by any bla...cksmith. To make this tool, select a bar of iron about 3/4 inch square and four feet or so in length, and at one end turn about a foot of it back parallel to the main length of the bar so that it lies at a distance from it equal to, or slightly exceeding, the thickness of the ledger. In using the FIG. 11. A SPECIAL TOOL FOR REMOVING LEDGERS FROM POLES. tool, catch the ledger to its full width, and as near to the pole as possible, in the V-shaped space between the shank of the bar and the turned-over end, and work it loose by moving the tool backward and for- ward.
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